2021 |
Resista Vikaliana Yuli Evitha, Cundo Harimurti Laode Sabaruddin Aziza Leila Komala A Literature Highlight: How A Traceability System Can Support Halal Supply Chain? Journal Article Budapest International Research and Critics Institute (BIRCI-Journal) : Humanities, 4 (4), 2021, ISSN: 2615-1715. @article{Vikaliana2021, title = {A Literature Highlight: How A Traceability System Can Support Halal Supply Chain?}, author = {Resista Vikaliana, Yuli Evitha, Cundo Harimurti, Laode Sabaruddin, Aziza Leila Komala}, url = {https://doi.org/10.33258/birci.v4i4.2678}, doi = {10.33258}, issn = {2615-1715}, year = {2021}, date = {2021-11-01}, journal = {Budapest International Research and Critics Institute (BIRCI-Journal) : Humanities}, volume = {4}, number = {4}, abstract = {At present, halal awareness is related to food quality, both in Muslim countries and non-Muslim countries. Food safety and quality assurance of food integrity, including food safety, health, nutrition and quality. The concept of halal includes process control, packaging, storage and delivery. All activities involved in the supply chain, especially food, the question is whether the integrity of halal food products can remain halal throughout the supply chain. Halal traceability, namely recording all information on activities in producing products from upstream, namely the origin of raw materials to downstream, becomes important. This literature review aims to determine the halal traceability system in the halal food supply chain. In particular, this article discusses the traceability architecture in food products. The study suggest some topics of emphasis in developing an economic research gate: Break even point of Halal traceability and tracking, acceptable level of risk in Halal traceability and tracking, participation in Halal traceability and tracking system. The ‘shades’ of food integrity in the halal supply chain are offered, which can be categorized into four supply chain dimensions, related to raw materials, production, service, and the consumer.}, keywords = {}, pubstate = {published}, tppubtype = {article} } At present, halal awareness is related to food quality, both in Muslim countries and non-Muslim countries. Food safety and quality assurance of food integrity, including food safety, health, nutrition and quality. The concept of halal includes process control, packaging, storage and delivery. All activities involved in the supply chain, especially food, the question is whether the integrity of halal food products can remain halal throughout the supply chain. Halal traceability, namely recording all information on activities in producing products from upstream, namely the origin of raw materials to downstream, becomes important. This literature review aims to determine the halal traceability system in the halal food supply chain. In particular, this article discusses the traceability architecture in food products. The study suggest some topics of emphasis in developing an economic research gate: Break even point of Halal traceability and tracking, acceptable level of risk in Halal traceability and tracking, participation in Halal traceability and tracking system. The ‘shades’ of food integrity in the halal supply chain are offered, which can be categorized into four supply chain dimensions, related to raw materials, production, service, and the consumer. |
Wakhid Ahmad Jauhari, Nyoman Pujawan Mokh Suefa I A closed-loop supply chain inventory model with stochastic demand, hybrid production, carbon emissions, and take-back incentives Journal Article Journal of Cleaner Production, 320 , 2021, ISBN: 128835. @article{Kannan2021, title = {A closed-loop supply chain inventory model with stochastic demand, hybrid production, carbon emissions, and take-back incentives}, author = {Wakhid Ahmad, Jauhari, I Nyoman Pujawan, Mokh Suefa}, editor = {Govindan Kannan}, url = {https://doi.org/10.1016/j.jclepro.2021.128835}, doi = {10.1016/j.jclepro.2021.128835}, isbn = {128835}, year = {2021}, date = {2021-10-20}, journal = {Journal of Cleaner Production}, volume = {320}, abstract = {This paper considers a two-echelon inventory model for a closed-loop supply chain system containing a manufacturer and a retailer under a stochastic environment with carbon emission reductions. Production and remanufacturing are performed simultaneously in a manufacturer's hybrid production system involving green production and regular production. To encourage the manufacturer to reuse products, the government offers a take-back incentive operating under a collection rate target. Motivated by this offer, the manufacturer significantly improves the system and makes an investment to increase the number of used products collected from the customers. The emissions generated from transportation, production, and storage activities are incorporated into the model and intended to be reduced by a carbon tax regulation. To achieve this, a mathematical inventory model that aims to minimize the joint total cost is built and solved using an efficient procedure. The results show that by controlling the collection rate and the production allocation, the system can minimize the cost and the emissions. Further, the take-back incentive and the manufacturer's investment in collection efforts can effectively increase the return rate of used products, but these policies will lead to an undesirable increase in total emissions.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This paper considers a two-echelon inventory model for a closed-loop supply chain system containing a manufacturer and a retailer under a stochastic environment with carbon emission reductions. Production and remanufacturing are performed simultaneously in a manufacturer's hybrid production system involving green production and regular production. To encourage the manufacturer to reuse products, the government offers a take-back incentive operating under a collection rate target. Motivated by this offer, the manufacturer significantly improves the system and makes an investment to increase the number of used products collected from the customers. The emissions generated from transportation, production, and storage activities are incorporated into the model and intended to be reduced by a carbon tax regulation. To achieve this, a mathematical inventory model that aims to minimize the joint total cost is built and solved using an efficient procedure. The results show that by controlling the collection rate and the production allocation, the system can minimize the cost and the emissions. Further, the take-back incentive and the manufacturer's investment in collection efforts can effectively increase the return rate of used products, but these policies will lead to an undesirable increase in total emissions. |
Sutandi Sutandi Yuli Evitha, Nyoman Purnaya I LAST MILE DELIVERY COLLABORATION PROPOSAL TO ACHIEVE DELIVERY COST EFFICIENCY IN E-COMMERCE Journal Article Jurnal Logistik Indonesia, 5 (2), pp. 130-137, 2021, ISSN: 2621-6442. @article{Sutandi2021, title = {LAST MILE DELIVERY COLLABORATION PROPOSAL TO ACHIEVE DELIVERY COST EFFICIENCY IN E-COMMERCE}, author = {Sutandi Sutandi, Yuli Evitha, I Nyoman Purnaya}, url = {https://doi.org/10.31334/logistik.v5i2.1884.g891}, doi = {10.31334}, issn = {2621-6442}, year = {2021}, date = {2021-10-02}, journal = {Jurnal Logistik Indonesia}, volume = {5}, number = {2}, pages = {130-137}, abstract = {The E-commerce market in Indonesia has grown significantly in the last couple of years and proved by the emerging of key players in the e-commerce field. This phenomenon affects the improvement of the logistic sector which is one of the backbones of E-Commerce. According to the data, logistic sectors contribute 24% to Indonesia’s gross domestic product (GDP) and 25% to logistic business income which is acquired from delivery services of E-Commerce goods (PwC, 2019). On the other hand, Indonesia is an archipelago country consisting of 17.500 islands with a width of 1.905-million kilometers square. With the geographical condition of Indonesia, it becomes a challenge for E-Commerce logistic industry practitioners. To overcome these problems, corporations should take actions such as system improvement and also collaboration to decrease distribution facility establishment cost, transportation facility establishment, cost-saving seen from distribution distances, total manpower, and lastly is improvement and maintenance system in each logistic corporation. To ensure success in collaboration, corporations should show commitment to the customers by giving the best and cheapest services in order to guarantee the success of the collaboration. Other things which can be done to achieve the success are by showing collaboration commitment to other E-Commerce logistic service providers by showing the willingness to share information and data about each other and lastly, the existence of collaborator whose or which responsible for connecting both parties, whether it is third party or information collaborating system.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The E-commerce market in Indonesia has grown significantly in the last couple of years and proved by the emerging of key players in the e-commerce field. This phenomenon affects the improvement of the logistic sector which is one of the backbones of E-Commerce. According to the data, logistic sectors contribute 24% to Indonesia’s gross domestic product (GDP) and 25% to logistic business income which is acquired from delivery services of E-Commerce goods (PwC, 2019). On the other hand, Indonesia is an archipelago country consisting of 17.500 islands with a width of 1.905-million kilometers square. With the geographical condition of Indonesia, it becomes a challenge for E-Commerce logistic industry practitioners. To overcome these problems, corporations should take actions such as system improvement and also collaboration to decrease distribution facility establishment cost, transportation facility establishment, cost-saving seen from distribution distances, total manpower, and lastly is improvement and maintenance system in each logistic corporation. To ensure success in collaboration, corporations should show commitment to the customers by giving the best and cheapest services in order to guarantee the success of the collaboration. Other things which can be done to achieve the success are by showing collaboration commitment to other E-Commerce logistic service providers by showing the willingness to share information and data about each other and lastly, the existence of collaborator whose or which responsible for connecting both parties, whether it is third party or information collaborating system. |
Octa Untoro Fakhrina Fahma, Wahyudi Sutopo Risk Management Based on NPV-at-Risk: A Case Study in Floating Solar Power Plant Project Journal Article Jurnal Teknik Industri, 22 (2), pp. 245-254, 2021. @article{Untoro2021, title = {Risk Management Based on NPV-at-Risk: A Case Study in Floating Solar Power Plant Project}, author = {Octa Untoro, Fakhrina Fahma, Wahyudi Sutopo}, url = {https://ejournal.umm.ac.id/index.php/industri/article/view/17107}, doi = {10.22219}, year = {2021}, date = {2021-08-31}, journal = {Jurnal Teknik Industri}, volume = {22}, number = {2}, pages = {245-254}, abstract = {There are some unpredicted factors in floating solar power plants that can affect the investment return value. This research aimed to develop an NPV-at-risk based risk management analysis on the floating solar power plant. This research proposed six-staged solutions: communication and consultation, context assignment, risk identification, risk analysis, risk evaluation, and risk mitigation. This study took place in a floating solar power plant in Indonesia. This research showed that some unpredicted risks, such as irradiation, operation and maintenance costs, inflation, and interest rate, could contribute to the investment return. This procedural proposal could be applied in the management of the income realization based on the income projection.}, keywords = {}, pubstate = {published}, tppubtype = {article} } There are some unpredicted factors in floating solar power plants that can affect the investment return value. This research aimed to develop an NPV-at-risk based risk management analysis on the floating solar power plant. This research proposed six-staged solutions: communication and consultation, context assignment, risk identification, risk analysis, risk evaluation, and risk mitigation. This study took place in a floating solar power plant in Indonesia. This research showed that some unpredicted risks, such as irradiation, operation and maintenance costs, inflation, and interest rate, could contribute to the investment return. This procedural proposal could be applied in the management of the income realization based on the income projection. |
Sayyidah Maulidatul Afraah Yuniaristanto Yuniaristanto, Wahyudi Sutopo Muhammad Hisjam Comparing Total Cost of Ownership of Electric Motorcycles and Conventional Motorcycles in Indonesia Journal Article Jurnal Teknik Industri, 22 (2), 2021. @article{Afraah2021, title = {Comparing Total Cost of Ownership of Electric Motorcycles and Conventional Motorcycles in Indonesia}, author = {Sayyidah Maulidatul Afraah, Yuniaristanto Yuniaristanto, Wahyudi Sutopo, Muhammad Hisjam}, url = {https://doi.org/10.22219/JTIUMM.Vol22.No2.196-210}, doi = {10.22219}, year = {2021}, date = {2021-08-31}, journal = {Jurnal Teknik Industri}, volume = {22}, number = {2}, abstract = {The adoption of electric vehicles (EV) is one of some a solution to reduce emission problems. In indonesia, the government target 2.1 million electric motorcycles (EM) ownership in 2025. One of the keys to encorage EV the Indonesian market is vehicle cost analysis, like total cost of ownership (TCO). This study Develope a TCO Model to compare EM with conventional motorcycles (CM) in indonesia. data collected from survey and information from stakeholders. The proposed TCO model considering battery replacement cost, which influences the resale value of the vehicle. a result, the TCO of EM has a more economic value than CM of 12%(IDR 3 million) on low mobility, 16%(IDR 4 million) on medium mobility, and 18%(IDR 5.5 million) on high mobility. In addition, several scenarios are also analyzed as a study for consideration of providing subsidies ownership motorcycles in Indonesia.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The adoption of electric vehicles (EV) is one of some a solution to reduce emission problems. In indonesia, the government target 2.1 million electric motorcycles (EM) ownership in 2025. One of the keys to encorage EV the Indonesian market is vehicle cost analysis, like total cost of ownership (TCO). This study Develope a TCO Model to compare EM with conventional motorcycles (CM) in indonesia. data collected from survey and information from stakeholders. The proposed TCO model considering battery replacement cost, which influences the resale value of the vehicle. a result, the TCO of EM has a more economic value than CM of 12%(IDR 3 million) on low mobility, 16%(IDR 4 million) on medium mobility, and 18%(IDR 5.5 million) on high mobility. In addition, several scenarios are also analyzed as a study for consideration of providing subsidies ownership motorcycles in Indonesia. |
Wahyu Ismail Kurnia Ariamin, Elisa Kusrini THE PERFORMANCE MEASUREMENT OF CONSULTING SERVICE COMPANY IN INDONESIA; CASE STUDY Journal Article Journal of Industrial Engineering Management, 6 (2), pp. 79-88, 2021. @article{Kurnia2021, title = {THE PERFORMANCE MEASUREMENT OF CONSULTING SERVICE COMPANY IN INDONESIA; CASE STUDY}, author = {Wahyu Ismail Kurnia, Ariamin, Elisa Kusrini}, url = {https://doi.org/10.33536/jiem.v6i2.944}, doi = {10.33536}, year = {2021}, date = {2021-08-20}, journal = {Journal of Industrial Engineering Management}, volume = {6}, number = {2}, pages = {79-88}, abstract = {Performance evaluation is the first step of a company in reaching its competitive advantage in the midst of globalization and free market enactment. The result of performance evaluation can be used as strategic formulation and decision making in fixing performance indicator which is considered as poor. From the facts, this research uses the evaluation adopted from PwC, which used to evaluate the performance of a consulting service company in Indonesia named XYZ Ltd. The reason for choosing PwC business model is because it covers all aspects that affect company’s ability to achieve competitive advantage. Moreover, this research uses 5 of 7 aspects of performance measurement offered by PwC business model. Measurement indicators and characteristics based on library research and company’s internal managerial party interviews are made, so that the evaluation process can be interpreted into the formulation of strategic improvement and decisions making. The result of performance measurement is expected to be able to give a new perspective in overall performance evaluations of consulting companies and evaluate company’s ability to win over its competitors, as well as to prove the ability of PwC’s measurement model in evaluating the performance of consulting companies in Indonesia model of performance.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Performance evaluation is the first step of a company in reaching its competitive advantage in the midst of globalization and free market enactment. The result of performance evaluation can be used as strategic formulation and decision making in fixing performance indicator which is considered as poor. From the facts, this research uses the evaluation adopted from PwC, which used to evaluate the performance of a consulting service company in Indonesia named XYZ Ltd. The reason for choosing PwC business model is because it covers all aspects that affect company’s ability to achieve competitive advantage. Moreover, this research uses 5 of 7 aspects of performance measurement offered by PwC business model. Measurement indicators and characteristics based on library research and company’s internal managerial party interviews are made, so that the evaluation process can be interpreted into the formulation of strategic improvement and decisions making. The result of performance measurement is expected to be able to give a new perspective in overall performance evaluations of consulting companies and evaluate company’s ability to win over its competitors, as well as to prove the ability of PwC’s measurement model in evaluating the performance of consulting companies in Indonesia model of performance. |
Ary Arvianto Bertha Maya Sopha, Anna Maria Sri Asih Muhammad Ali Imron City logistics challenges and innovative solutions in developed and developing economies: A systematic literature review Journal Article 13 , 2021. @article{Arvianto2021, title = {City logistics challenges and innovative solutions in developed and developing economies: A systematic literature review}, author = {Ary Arvianto, Bertha Maya Sopha, Anna Maria Sri Asih, Muhammad Ali Imron}, url = {https://doi.org/10.117718479790211039723}, doi = {10.117718479790211039723}, year = {2021}, date = {2021-08-18}, volume = {13}, abstract = {Varying characteristics of developed and developing countries have resulted in different challenges and innovative solutions of city logistics. This study aimed to identify research clusters on city logistics between developed and developing economies and to systematically compare city logistics challenges and associated innovative solutions for both economies. Bibliometric analysis and a systematic literature review were applied to analyze 328 peer-reviewed publications, comprising 229 (70%) and 99 (30%) articles addressing case studies in developed and developing economies, respectively. We discovered six research clusters in city logistics literature for developed countries, compared with only four for developing economies in which public policy has not been addressed. Urban growth, environmental challenges, and traffic congestion are the three major city logistics challenges in both types of economies. Furthermore, fleet increment and inadequate loading/unloading spaces are the city logistics challenges analyzed in the literature on developing countries compared with the literature on developed economies that addresses the challenges of education deficiency, regulation, emergence of new business models, and network accessibility and capacity. Consequently, innovative solutions adopted by developed countries demonstrate varied processes involving technology, policy (including public policy and sustainability measures), infrastructure, and economic measures, while for developing countries, the focus remains on effective and efficient distribution operations using optimization and collaboration efforts.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Varying characteristics of developed and developing countries have resulted in different challenges and innovative solutions of city logistics. This study aimed to identify research clusters on city logistics between developed and developing economies and to systematically compare city logistics challenges and associated innovative solutions for both economies. Bibliometric analysis and a systematic literature review were applied to analyze 328 peer-reviewed publications, comprising 229 (70%) and 99 (30%) articles addressing case studies in developed and developing economies, respectively. We discovered six research clusters in city logistics literature for developed countries, compared with only four for developing economies in which public policy has not been addressed. Urban growth, environmental challenges, and traffic congestion are the three major city logistics challenges in both types of economies. Furthermore, fleet increment and inadequate loading/unloading spaces are the city logistics challenges analyzed in the literature on developing countries compared with the literature on developed economies that addresses the challenges of education deficiency, regulation, emergence of new business models, and network accessibility and capacity. Consequently, innovative solutions adopted by developed countries demonstrate varied processes involving technology, policy (including public policy and sustainability measures), infrastructure, and economic measures, while for developing countries, the focus remains on effective and efficient distribution operations using optimization and collaboration efforts. |
Diana Puspita Sari Nur Aini Masruroh, Anna Maria Sri Asih Sustainability, 13 (6), pp. 8896, 2021, ISSN: 2071-1050. @article{Sari2021, title = {Extended Maximal Covering Location and Vehicle Routing Problems in Designing Smartphone Waste Collection Channels: A Case Study of Yogyakarta Province, Indonesia}, author = {Diana Puspita Sari, Nur Aini Masruroh, Anna Maria Sri Asih}, url = {https://www.mdpi.com/2071-1050/13/16/8896}, doi = {10.3390/su13168896}, issn = {2071-1050}, year = {2021}, date = {2021-08-09}, journal = {Sustainability}, volume = {13}, number = {6}, pages = {8896}, abstract = {Most people will store smartphone waste or give it to others; this is due to inadequate waste collection facilities in all cities/regencies in Indonesia. In Yogyakarta Province, there is no electronic waste collection facility. Therefore, an e-waste collection network is needed to cover all potential e-waste in the province of Yogyakarta. This study aims to design a collection network to provide easy access to facilities for smartphone users, which includes the number and location of each collection center and the route of transporting smartphone waste to the final disposal site. We proposed an extended maximal covering location problem to determine the number and location of collection centers. Nearest neighbor and tabu search are used in forming transportation routes. The nearest neighbor is used for initial solution search, and tabu search is used for final solution search. The study results indicate that to facilitate all potential smartphone waste with a maximum distance of 11.2 km, the number of collection centers that must be established is 30 units with three pick-up routes. This research is the starting point of the smartphone waste management process, with further study needed for sorting, recycling, repairing, or remanufacturing after the waste has been collected.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Most people will store smartphone waste or give it to others; this is due to inadequate waste collection facilities in all cities/regencies in Indonesia. In Yogyakarta Province, there is no electronic waste collection facility. Therefore, an e-waste collection network is needed to cover all potential e-waste in the province of Yogyakarta. This study aims to design a collection network to provide easy access to facilities for smartphone users, which includes the number and location of each collection center and the route of transporting smartphone waste to the final disposal site. We proposed an extended maximal covering location problem to determine the number and location of collection centers. Nearest neighbor and tabu search are used in forming transportation routes. The nearest neighbor is used for initial solution search, and tabu search is used for final solution search. The study results indicate that to facilitate all potential smartphone waste with a maximum distance of 11.2 km, the number of collection centers that must be established is 30 units with three pick-up routes. This research is the starting point of the smartphone waste management process, with further study needed for sorting, recycling, repairing, or remanufacturing after the waste has been collected. |
Yuli Evitha Resista Vikaliana, La Ode Sabaruddin Adji Sapta Fino Wahyudi Abdul Description And Causes Of Having Work Engagement In Employees Journal Article Ilomata International Journal of Management (IJJM), 2 (3), pp. 206-215, 2021, ISSN: 2714-8963. @article{Evitha2021, title = {Description And Causes Of Having Work Engagement In Employees}, author = {Yuli Evitha, Resista Vikaliana, La Ode Sabaruddin, Adji Sapta, Fino Wahyudi Abdul}, url = {https://www.ilomata.org/index.php/ijjm}, issn = {2714-8963}, year = {2021}, date = {2021-07-31}, journal = {Ilomata International Journal of Management (IJJM)}, volume = {2}, number = {3}, pages = {206-215}, abstract = {Work engagement is a positive view of an employee towards his work that is characterized by vigour, full involvement (dedication), and high concentration during work (absorption). This study aims to determine the description and causes of having employee engagement by exploring dimensions based on the definition of work engagement proposed by Schaufeli, Gonzalez, & Bakker (2002), vigour, dedication, absorption. The research was conducted through a literature study that is finding various related sources and making conclusions in accordance with the research objectives. The credibility test used is peer debriefing, namely asking other researchers who are not involved in the research project to help investigate the thinking of researchers in all or certain parts of the research process. The results showed that the most dominant dimension of work engagement was dedication.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Work engagement is a positive view of an employee towards his work that is characterized by vigour, full involvement (dedication), and high concentration during work (absorption). This study aims to determine the description and causes of having employee engagement by exploring dimensions based on the definition of work engagement proposed by Schaufeli, Gonzalez, & Bakker (2002), vigour, dedication, absorption. The research was conducted through a literature study that is finding various related sources and making conclusions in accordance with the research objectives. The credibility test used is peer debriefing, namely asking other researchers who are not involved in the research project to help investigate the thinking of researchers in all or certain parts of the research process. The results showed that the most dominant dimension of work engagement was dedication. |
Audi Luqmanul Hakim Achmad Diah Chaerani, Tomy Perdana Designing Food Supply Chain Strategy During COVID-19 Pandemic Using an Integrated Agent-Based Modelling and Robust Optimization Journal Article Heliyon, 2021. @article{Achmad2021, title = {Designing Food Supply Chain Strategy During COVID-19 Pandemic Using an Integrated Agent-Based Modelling and Robust Optimization}, author = {Audi Luqmanul Hakim Achmad, Diah Chaerani, Tomy Perdana}, url = {https://dx.doi.org/10.2139/ssrn.3887266}, doi = {10.2139/ssrn.3887266}, year = {2021}, date = {2021-07-15}, journal = {Heliyon}, abstract = {Coronavirus disease (COVID-19) has spread for over a year and affected many aspects, including food supply chain. One of the impacts of COVID-19 in food supply chain is the reduction of food production capacity. It is necessary to develop the optimum food supply chain strategy by determining the optimum food hub location and food network to maintain the food security which robust against disruptions and uncertainties. In this study, Robust Optimization (RO) is applied to handle the uncertainties. Nevertheless, the actual uncertain data might be hard to be collected or even unavailable at the moment. Therefore, an innovative framework is proposed to integrate RO with Agent-Based Modelling (ABM). ABM is used to simulate the upstream actor of food supply chain and predict the uncertain food production capacity, which later handled by RO. Particularly, this study focused on rice supply chain. Result shows that the framework is able to handle the uncertain rice supply chain problem, in which the actual uncertain data might be unavailable, and give the robust optimum food hub location and food network. The food hub location and food network are obtained by solving the Robust Counterpart (RC) model with respect to the uncertainty set obtained from the ABM simulation result.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Coronavirus disease (COVID-19) has spread for over a year and affected many aspects, including food supply chain. One of the impacts of COVID-19 in food supply chain is the reduction of food production capacity. It is necessary to develop the optimum food supply chain strategy by determining the optimum food hub location and food network to maintain the food security which robust against disruptions and uncertainties. In this study, Robust Optimization (RO) is applied to handle the uncertainties. Nevertheless, the actual uncertain data might be hard to be collected or even unavailable at the moment. Therefore, an innovative framework is proposed to integrate RO with Agent-Based Modelling (ABM). ABM is used to simulate the upstream actor of food supply chain and predict the uncertain food production capacity, which later handled by RO. Particularly, this study focused on rice supply chain. Result shows that the framework is able to handle the uncertain rice supply chain problem, in which the actual uncertain data might be unavailable, and give the robust optimum food hub location and food network. The food hub location and food network are obtained by solving the Robust Counterpart (RC) model with respect to the uncertainty set obtained from the ABM simulation result. |
Suci Miranda, Elisa Kusrini Peningkatan Produktivitas Melalui Penerapan 5S di IKM Kulit di Sleman, Yogyakarta Journal Article Journal of Appropriate Technology for Community Services, 2 (2), pp. 92-102, 2021. @article{Miranda2021b, title = {Peningkatan Produktivitas Melalui Penerapan 5S di IKM Kulit di Sleman, Yogyakarta}, author = {Suci Miranda, Elisa Kusrini}, url = {https://journal.uii.ac.id/JATTEC/article/view/19074/11380}, year = {2021}, date = {2021-07-04}, journal = {Journal of Appropriate Technology for Community Services}, volume = {2}, number = {2}, pages = {92-102}, abstract = {Industri Kecil Menengah (IKM) Kulit MARS Genuine Leather merupakan salah satu IKM di bawah pembinaan Dinas Perindustrian dan Perdagangan Kabupaten (Disperindag) Sleman, Yogyakarta. Pada tahun 2018, IKM MARS bersama dengan 10 IKM lain di Sleman dan Bantul terlibat dalam penelitian dengan Teknik Industri Universitas Islam Indonesia berkaitan dengan analisis kinerja rantai pasok menggunakan Supply Chain Operation Reference (SCOR) Model. Hasil penelitian menunjukkan bahwa IKM MARS memiliki nilai rantai pasok terendah di antara 5 IKM di wilayah Sleman. Melanjutkan hasil penelitian tersebut, perbaikan dilakukan melalui kegiatan Pengabdian Masyarakat tentang penerapan 5S di IKM. Disperindag Sleman telah memberikan beberapa pelatihan mengenai penerapan 5S bagi para pemilik IKM. Namun, pelatihan tersebut belum diterapkan langsung di tiap IKM. Oleh karena itu, kegiatan pengabdian ini bertujuan untuk memberikan pelatihan langsung penerapan 5S di IKM MARS sekaligus sebagai salah satu perbaikan yang dapat dilakukan terhadap hasil penelitian analisis kinerja rantai pasok sebelumnya. Hasil pengabdian ini berupa bimbingan pelatihan langsung di IKM, video penerapan 3S pertama (Seiri, Seiso, Seiton), dan formulir checklist yang dapat digunakan IKM sebagai audit internal. Pengetahuan dan ketrampilan 5S yang telah diterapkan di IKM mitra diharapkan dapat membantu IKM untuk menurunkan waste (pemborosan) sekaligus meningkatkan produktivitas IKM di masa depan.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Industri Kecil Menengah (IKM) Kulit MARS Genuine Leather merupakan salah satu IKM di bawah pembinaan Dinas Perindustrian dan Perdagangan Kabupaten (Disperindag) Sleman, Yogyakarta. Pada tahun 2018, IKM MARS bersama dengan 10 IKM lain di Sleman dan Bantul terlibat dalam penelitian dengan Teknik Industri Universitas Islam Indonesia berkaitan dengan analisis kinerja rantai pasok menggunakan Supply Chain Operation Reference (SCOR) Model. Hasil penelitian menunjukkan bahwa IKM MARS memiliki nilai rantai pasok terendah di antara 5 IKM di wilayah Sleman. Melanjutkan hasil penelitian tersebut, perbaikan dilakukan melalui kegiatan Pengabdian Masyarakat tentang penerapan 5S di IKM. Disperindag Sleman telah memberikan beberapa pelatihan mengenai penerapan 5S bagi para pemilik IKM. Namun, pelatihan tersebut belum diterapkan langsung di tiap IKM. Oleh karena itu, kegiatan pengabdian ini bertujuan untuk memberikan pelatihan langsung penerapan 5S di IKM MARS sekaligus sebagai salah satu perbaikan yang dapat dilakukan terhadap hasil penelitian analisis kinerja rantai pasok sebelumnya. Hasil pengabdian ini berupa bimbingan pelatihan langsung di IKM, video penerapan 3S pertama (Seiri, Seiso, Seiton), dan formulir checklist yang dapat digunakan IKM sebagai audit internal. Pengetahuan dan ketrampilan 5S yang telah diterapkan di IKM mitra diharapkan dapat membantu IKM untuk menurunkan waste (pemborosan) sekaligus meningkatkan produktivitas IKM di masa depan. |
Suci Miranda, Elisa Kusrini Peningkatan Produktivitas Melalui Penerapan 5S di IKM Kulit di Sleman, Yogyakarta Journal Article Journal of Appropriate Technology for Community Services, 2 (2), pp. 92-102, 2021. @article{Miranda2021, title = {Peningkatan Produktivitas Melalui Penerapan 5S di IKM Kulit di Sleman, Yogyakarta}, author = {Suci Miranda, Elisa Kusrini}, url = {https://doi.org/10.20885/jattec.vol2.iss2.art6}, doi = {10.20885/jattec.vol2.iss2.art6}, year = {2021}, date = {2021-07-01}, journal = {Journal of Appropriate Technology for Community Services}, volume = {2}, number = {2}, pages = {92-102}, abstract = {JATTEC, Vol 2, No 2, Juli2021:92-10292Peningkatan Produktivitas Melalui Penerapan 5S di IKM Kulit di Sleman,YogyakartaSuci Miranda1),Elisa Kusrini2)Teknik Industri, Universitas Islam Indonesia1,2)Jl. Kaliurang km. 14,5 Sleman, Yogyakarta 55584 IndonesiaEmail: suci.miranda@uii.ac.idABSTRAKIndustri Kecil Menengah (IKM) Kulit MARS GenuineLeathermerupakan salah satu IKM di bawah pembinaan Dinas Perindustrian dan Perdagangan Kabupaten (Disperindag) Sleman, Yogyakarta. Pada tahun 2018, IKM MARS bersama dengan 10 IKM laindi Slemandan Bantul terlibat dalam penelitian dengan Teknik Industri Universitas Islam Indonesia berkaitan dengan analisis kinerja rantai pasok menggunakan Supply Chain Operation Reference (SCOR)Model. Hasil penelitian menunjukkan bahwa IKM MARS memiliki nilai rantai pasok terendah di antara 5 IKM di wilayah Sleman. Melanjutkan hasil penelitian tersebut, perbaikan dilakukan melalui kegiatan Pengabdian Masyarakat tentang penerapan 5S di IKM. Disperindag Sleman telah memberikan beberapa pelatihan mengenai penerapan 5S bagi para pemilik IKM. Namun, pelatihan tersebut belum diterapkan langsung di tiap IKM. Oleh karena itu, kegiatan pengabdian ini bertujuan untuk memberikan pelatihan langsung penerapan 5S di IKM MARS sekaligus sebagai salah satu perbaikan yangdapat dilakukan terhadap hasil penelitian analisis kinerja rantai pasok sebelumnya. Hasil pengabdian ini berupa bimbingan pelatihan langsung di IKM, video penerapan 3S pertama (Seiri, Seiso, Seiton), dan formulir checklist yang dapat digunakan IKM sebagai audit internal. Pengetahuan dan ketrampilan 5S yang telah diterapkan di IKM mitra diharapkan dapat membantu IKM untuk menurunkan waste (pemborosan) sekaligus meningkatkan produktivitas IKM di masa depan.}, keywords = {}, pubstate = {published}, tppubtype = {article} } JATTEC, Vol 2, No 2, Juli2021:92-10292Peningkatan Produktivitas Melalui Penerapan 5S di IKM Kulit di Sleman,YogyakartaSuci Miranda1),Elisa Kusrini2)Teknik Industri, Universitas Islam Indonesia1,2)Jl. Kaliurang km. 14,5 Sleman, Yogyakarta 55584 IndonesiaEmail: suci.miranda@uii.ac.idABSTRAKIndustri Kecil Menengah (IKM) Kulit MARS GenuineLeathermerupakan salah satu IKM di bawah pembinaan Dinas Perindustrian dan Perdagangan Kabupaten (Disperindag) Sleman, Yogyakarta. Pada tahun 2018, IKM MARS bersama dengan 10 IKM laindi Slemandan Bantul terlibat dalam penelitian dengan Teknik Industri Universitas Islam Indonesia berkaitan dengan analisis kinerja rantai pasok menggunakan Supply Chain Operation Reference (SCOR)Model. Hasil penelitian menunjukkan bahwa IKM MARS memiliki nilai rantai pasok terendah di antara 5 IKM di wilayah Sleman. Melanjutkan hasil penelitian tersebut, perbaikan dilakukan melalui kegiatan Pengabdian Masyarakat tentang penerapan 5S di IKM. Disperindag Sleman telah memberikan beberapa pelatihan mengenai penerapan 5S bagi para pemilik IKM. Namun, pelatihan tersebut belum diterapkan langsung di tiap IKM. Oleh karena itu, kegiatan pengabdian ini bertujuan untuk memberikan pelatihan langsung penerapan 5S di IKM MARS sekaligus sebagai salah satu perbaikan yangdapat dilakukan terhadap hasil penelitian analisis kinerja rantai pasok sebelumnya. Hasil pengabdian ini berupa bimbingan pelatihan langsung di IKM, video penerapan 3S pertama (Seiri, Seiso, Seiton), dan formulir checklist yang dapat digunakan IKM sebagai audit internal. Pengetahuan dan ketrampilan 5S yang telah diterapkan di IKM mitra diharapkan dapat membantu IKM untuk menurunkan waste (pemborosan) sekaligus meningkatkan produktivitas IKM di masa depan. |
Amelia Santoso Joniarto Parung, Dina Natalia Prayogo Ameilia Lolita Designing an Indonesian Disaster Management Information System with Local Characteristics: A Case Study of Mount Merapi Journal Article Journal of Disaster Research, 16 (4), pp. 765-777, 2021. @article{Santoso2021, title = {Designing an Indonesian Disaster Management Information System with Local Characteristics: A Case Study of Mount Merapi}, author = {Amelia Santoso, Joniarto Parung, Dina Natalia Prayogo, Ameilia Lolita}, url = {https://doi.org/10.20965/jdr.2021.p0765}, doi = {10.20965}, year = {2021}, date = {2021-06-01}, journal = {Journal of Disaster Research}, volume = {16}, number = {4}, pages = {765-777}, abstract = {Effective preparation can help minimize the number of victims and the amount of damage caused by volcanic eruptions, as well as facilitate the recovery of victims’ livelihoods after such disasters. Hence, it is crucial to coordinate and integrate all stakeholders in a management information system in which each stakeholder is interrelated but has different roles and functions. This paper presents the design of a disaster management information system (DMIS) with consideration for the volcano’s location and characteristics. This includes identifying disaster management stakeholders and their respective roles and the volcano’s location and characteristics combined with accessible databases. To validate the design, the results of the DMIS calculations of the needs of refugees from the eruption of Mount Merapi in November 2020 in Kalitengah Lor, Glagaharjo Village, Sleman were compared with the number of real items distributed by the government and donors. The results of this comparison showed that the needs of refugees were fulfilled at a percentage ranging from 66–99%.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Effective preparation can help minimize the number of victims and the amount of damage caused by volcanic eruptions, as well as facilitate the recovery of victims’ livelihoods after such disasters. Hence, it is crucial to coordinate and integrate all stakeholders in a management information system in which each stakeholder is interrelated but has different roles and functions. This paper presents the design of a disaster management information system (DMIS) with consideration for the volcano’s location and characteristics. This includes identifying disaster management stakeholders and their respective roles and the volcano’s location and characteristics combined with accessible databases. To validate the design, the results of the DMIS calculations of the needs of refugees from the eruption of Mount Merapi in November 2020 in Kalitengah Lor, Glagaharjo Village, Sleman were compared with the number of real items distributed by the government and donors. The results of this comparison showed that the needs of refugees were fulfilled at a percentage ranging from 66–99%. |
Prof. Dr.-Ing. Ir. Asep Ridwan ST., MT. IPM. 2021. @book{Ridwan2021, title = {Model Six Sigma untuk Meningkatkan Kinerja Lean dalam Supply Chain di Pelabuhan (Pidato Pengukuhan Guru Besar)}, author = {Prof. Dr.-Ing. Ir. Asep Ridwan, ST., MT., IPM.}, url = {http://eprints.untirta.ac.id/id/eprint/1526}, year = {2021}, date = {2021-05-24}, abstract = {Berkembangnya industri di era revolusi industri 4.0 dengan ciri yang serba digital mendorong para pelaku industri melakukan berbagai terobosan termasuk industri jasa pelabuhan dengan berbagai inovasi dan kreatifitas. Industri pelabuhan mempunyai peran strategis sebagai gerbang perekonomian bangsa di mana ada kegiatan transaksi barang ekpor dan impor. Kegiatan bongkar muat barang menjadi kegiatan yang perlu mendapat perhatian agarmenjadi efektif dan efisien.Kecepatan bongkar muat akan mempengaruhi dwelling timeyang menjadi perhatian pemerintah dalam mereformasi pelabuhan yang ada di Indonesia.Permasalahan yang sering terjadi sebagai penyebab lamanya pembongkaran di pelabuhan disebabkan banyaknya pemborosan-pemborosan (waste) yang ada di pelabuhan diantaranya kerusakan (breakdown) peralatan bongkar muat seperti derek (crane); kerusakan (breakdown) alat angkut seperti truk; kargo(muatan)yang rusak atauhilang; waktu tunggu(delay time)peralatan bongkar muat dan alat angkut; dan waktu tunggu kapal (vessel waiting time). Hal lain yang sering terjadi adalah ketidaksiapanatau kekuranganpara pekerja di pelabuhan dalambongkarmuatkargo. Faktor cuaca seperti ombak yang besar atau angin yang kencang mempengaruhi juga kapal tidak bisa bersandar di pelabuhan. Permasalahan-permasalahan ini menyebabkan waktu tunggu kapal (vessel waiting time) meningkatdan mempengaruhi dwelling time, yaitu waktu mulai kapal sandar di pelabuhan sampai kargo keluar dari gerbang pelabuhan.Kondisi keterlambatan bongkar muat di pelabuhan ini mendorong banyak peneliti memberikan usulan berbagai metode dan tools untuk meningkatkan kinerja di pelabuhan. Metode Six Sigmamerupakan salah satu metoda perbaikan mutudramatis untuk meningkatkan kinerja menuju zero defect. Beberapa peneliti menggunakan metode Six Sigmadalam meningkatkan kinerja pelabuhan seperti Nooraminetal. (2011); Jafari(2013);danRidwan danNoche(2014). Nooraminet al. (2011) menggunakan metodologi Six Sigmadalam mereduksi antrian truk di terminal kontainer di pelabuhan laut. Jafari(2013)menginvestigasi kecepatan efisiensi proses bongkar muat kontainer di pelabuhan. Ridwan danNoche(2014)mengukur kinerja supply chaindi pelabuhan dengan menganalisis nilai kapabilitasproses dan biaya kualitas buruk.Dalam kesempatan ini saya akan menjelaskan rancanganmodel Six Sigmadi pelabuhan untuk meningkatkankinerjapelabuhan menjadilebihleanatau ramping. Konsep leanberkembang di industri manufaktur dengan mengeliminasi pemborosan (waste)dan menciptakan nilai tambah (value added)di sepanjang proses produksi. Saat diimplementasikan di pelabuhan maka leandiwujudkan di sepanjang aliran rantai pasok (supply chain) dari hulu sampai hilir. Berkembangnyakonsep leandalam supply chainatau lean supply chain baik di industri manufaktur maupun jasamendorong banyak penelitian di bidang ini. Beberapa penelitian terkait lean supply chaindalam industri manufaktur dan jasa telah dilakukan, diantaranya Wee and Wu(2009); Ferdiansyah dkk. (2013); dan Ridwan and Noche(2016). Wee and Wu(2009)menerapkanlean supply chaindi industri Ford Motor dengan Value Stream Mapping (VSM).Ferdiansyah dkk. (2013)menganalisis pemborosan pada proses pembongkaran dan pemuatan pupuk di Pelabuhan Cigading dengan pendekatan Lean Supply Chain; dan Ridwan and Noche(2016) merancang model Six Sigmauntuk meningkatkanLean Supply Chaindi pelabuhan. Pendekatan metode perbaikan mutu dengan Six Sigmadalam meningkatkan lean supply chaindi pelabuhan menjadi daya tarik tersendiri karena belum banyak yang meneliti terkait ini. Model Six Sigmadirancang untuk meningkatkan leandalam supply chaindi pelabuhan memerlukan bantuansimulasi sistem dinamis. Sistem dinamis merupakan keadaan dari sistem yang mengalami perubahan dari waktu ke waktu.Simulasi sistem dinamismemiliki keunggulan dalam mengamati perilaku sistem berdasarkan perubahan waktu.Beberapa penelitian terkait sistem dinamis di pelabuhan telah dilakukan oleh (Brianoet al., 2009, Mei andXin, 2010; RidwandanNoche, 2018; danRidwan dkk., 2019). Brianoet al. (2009) membangunmodel pada terminal container VTE (Voltri Terminal Europe) untuk mencapai keputusan yang efisien bagi kokpit yang dihubungkan dengan sistem ERP (Enterprise Resource Planning).Mei dan Xin(2010) mengembangkan model sistem operasi pelabuhan dengan fokus pada waktu, mutu, dan keuntungan perusahaan. RidwandanNoche(2018) merancangmodel ukuran kinerja pelabuhandengan pendekatan Six Sigmadan sistem dinamis.Ridwan dkk. (2019) menentukan faktor-faktor yang mempengaruhi volume pengirimankargo di pelabuhan dan merancang perbaikan untuk meningkatkan kapasitasnya dengan sistem dinamis.Dalam pidato pengukuhan ini, saya akan menjelaskan rancanganmodel Six Sigmadalam meningkatkan kinerja yang leansetiap supply chainyang ada di pelabuhan dengan bantuansimulasi sistem dinamis.}, keywords = {}, pubstate = {published}, tppubtype = {book} } Berkembangnya industri di era revolusi industri 4.0 dengan ciri yang serba digital mendorong para pelaku industri melakukan berbagai terobosan termasuk industri jasa pelabuhan dengan berbagai inovasi dan kreatifitas. Industri pelabuhan mempunyai peran strategis sebagai gerbang perekonomian bangsa di mana ada kegiatan transaksi barang ekpor dan impor. Kegiatan bongkar muat barang menjadi kegiatan yang perlu mendapat perhatian agarmenjadi efektif dan efisien.Kecepatan bongkar muat akan mempengaruhi dwelling timeyang menjadi perhatian pemerintah dalam mereformasi pelabuhan yang ada di Indonesia.Permasalahan yang sering terjadi sebagai penyebab lamanya pembongkaran di pelabuhan disebabkan banyaknya pemborosan-pemborosan (waste) yang ada di pelabuhan diantaranya kerusakan (breakdown) peralatan bongkar muat seperti derek (crane); kerusakan (breakdown) alat angkut seperti truk; kargo(muatan)yang rusak atauhilang; waktu tunggu(delay time)peralatan bongkar muat dan alat angkut; dan waktu tunggu kapal (vessel waiting time). Hal lain yang sering terjadi adalah ketidaksiapanatau kekuranganpara pekerja di pelabuhan dalambongkarmuatkargo. Faktor cuaca seperti ombak yang besar atau angin yang kencang mempengaruhi juga kapal tidak bisa bersandar di pelabuhan. Permasalahan-permasalahan ini menyebabkan waktu tunggu kapal (vessel waiting time) meningkatdan mempengaruhi dwelling time, yaitu waktu mulai kapal sandar di pelabuhan sampai kargo keluar dari gerbang pelabuhan.Kondisi keterlambatan bongkar muat di pelabuhan ini mendorong banyak peneliti memberikan usulan berbagai metode dan tools untuk meningkatkan kinerja di pelabuhan. Metode Six Sigmamerupakan salah satu metoda perbaikan mutudramatis untuk meningkatkan kinerja menuju zero defect. Beberapa peneliti menggunakan metode Six Sigmadalam meningkatkan kinerja pelabuhan seperti Nooraminetal. (2011); Jafari(2013);danRidwan danNoche(2014). Nooraminet al. (2011) menggunakan metodologi Six Sigmadalam mereduksi antrian truk di terminal kontainer di pelabuhan laut. Jafari(2013)menginvestigasi kecepatan efisiensi proses bongkar muat kontainer di pelabuhan. Ridwan danNoche(2014)mengukur kinerja supply chaindi pelabuhan dengan menganalisis nilai kapabilitasproses dan biaya kualitas buruk.Dalam kesempatan ini saya akan menjelaskan rancanganmodel Six Sigmadi pelabuhan untuk meningkatkankinerjapelabuhan menjadilebihleanatau ramping. Konsep leanberkembang di industri manufaktur dengan mengeliminasi pemborosan (waste)dan menciptakan nilai tambah (value added)di sepanjang proses produksi. Saat diimplementasikan di pelabuhan maka leandiwujudkan di sepanjang aliran rantai pasok (supply chain) dari hulu sampai hilir. Berkembangnyakonsep leandalam supply chainatau lean supply chain baik di industri manufaktur maupun jasamendorong banyak penelitian di bidang ini. Beberapa penelitian terkait lean supply chaindalam industri manufaktur dan jasa telah dilakukan, diantaranya Wee and Wu(2009); Ferdiansyah dkk. (2013); dan Ridwan and Noche(2016). Wee and Wu(2009)menerapkanlean supply chaindi industri Ford Motor dengan Value Stream Mapping (VSM).Ferdiansyah dkk. (2013)menganalisis pemborosan pada proses pembongkaran dan pemuatan pupuk di Pelabuhan Cigading dengan pendekatan Lean Supply Chain; dan Ridwan and Noche(2016) merancang model Six Sigmauntuk meningkatkanLean Supply Chaindi pelabuhan. Pendekatan metode perbaikan mutu dengan Six Sigmadalam meningkatkan lean supply chaindi pelabuhan menjadi daya tarik tersendiri karena belum banyak yang meneliti terkait ini. Model Six Sigmadirancang untuk meningkatkan leandalam supply chaindi pelabuhan memerlukan bantuansimulasi sistem dinamis. Sistem dinamis merupakan keadaan dari sistem yang mengalami perubahan dari waktu ke waktu.Simulasi sistem dinamismemiliki keunggulan dalam mengamati perilaku sistem berdasarkan perubahan waktu.Beberapa penelitian terkait sistem dinamis di pelabuhan telah dilakukan oleh (Brianoet al., 2009, Mei andXin, 2010; RidwandanNoche, 2018; danRidwan dkk., 2019). Brianoet al. (2009) membangunmodel pada terminal container VTE (Voltri Terminal Europe) untuk mencapai keputusan yang efisien bagi kokpit yang dihubungkan dengan sistem ERP (Enterprise Resource Planning).Mei dan Xin(2010) mengembangkan model sistem operasi pelabuhan dengan fokus pada waktu, mutu, dan keuntungan perusahaan. RidwandanNoche(2018) merancangmodel ukuran kinerja pelabuhandengan pendekatan Six Sigmadan sistem dinamis.Ridwan dkk. (2019) menentukan faktor-faktor yang mempengaruhi volume pengirimankargo di pelabuhan dan merancang perbaikan untuk meningkatkan kapasitasnya dengan sistem dinamis.Dalam pidato pengukuhan ini, saya akan menjelaskan rancanganmodel Six Sigmadalam meningkatkan kinerja yang leansetiap supply chainyang ada di pelabuhan dengan bantuansimulasi sistem dinamis. |
Agustina Eunike Sugiono Sugiono, Ishardita Pambudi Tama Sri Widiyawati Galih DA Pramono Rahmi Yuniarti AN ANALYSIS OF INDONESIAN MILKFISH UPSTREAM SUPPLY CHAIN: SYSTEM DYNAMICS APPROACH Journal Article Journal of Engineering and Management in Industrial System, 9 (1), pp. 1-8, 2021, ISSN: 2477-6025. @article{Eunike2021, title = {AN ANALYSIS OF INDONESIAN MILKFISH UPSTREAM SUPPLY CHAIN: SYSTEM DYNAMICS APPROACH}, author = {Agustina Eunike, Sugiono Sugiono, Ishardita Pambudi Tama, Sri Widiyawati, Galih DA Pramono, Rahmi Yuniarti}, doi = {10.21776}, issn = {2477-6025}, year = {2021}, date = {2021-05-05}, journal = {Journal of Engineering and Management in Industrial System}, volume = {9}, number = {1}, pages = {1-8}, abstract = {Milkfish is common aquaculture product consumed by Indonesian people. However, the ponds of milkfish in Indonesia manage by Small Medium Enterprises scale of farmers which have problems in sustaining the business. This study proposes supply chain analysis in the upstream level to develop strategic to improve the profit of milkfish farmers. Milkfish supply chain is a network of many actors that work together to create and deliver milkfish and its culinary products to the end-user. This paper defines the partnership strategies between the farmers and suppliers as well as the support from government as facilitator and regulator. Moreover, system dynamic approach analyses the scenarios of partnership to outline the benefit obtain by the milkfish supply chain. Finally, the simulation results recommend the partnership to fertilizer supplier will give significant increase in profit of the milkfish farmers.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Milkfish is common aquaculture product consumed by Indonesian people. However, the ponds of milkfish in Indonesia manage by Small Medium Enterprises scale of farmers which have problems in sustaining the business. This study proposes supply chain analysis in the upstream level to develop strategic to improve the profit of milkfish farmers. Milkfish supply chain is a network of many actors that work together to create and deliver milkfish and its culinary products to the end-user. This paper defines the partnership strategies between the farmers and suppliers as well as the support from government as facilitator and regulator. Moreover, system dynamic approach analyses the scenarios of partnership to outline the benefit obtain by the milkfish supply chain. Finally, the simulation results recommend the partnership to fertilizer supplier will give significant increase in profit of the milkfish farmers. |
Lala Ayu Kantari I Nyoman Pujawan, Niniet Indah Arvitrida Per Hilletofth Mixing contract-based and on-demand sourcing of transportation services for improved supply chain performance under supply uncertainties Journal Article 2021. @article{Kantari2021, title = {Mixing contract-based and on-demand sourcing of transportation services for improved supply chain performance under supply uncertainties}, author = {Lala Ayu Kantari, I Nyoman Pujawan, Niniet Indah Arvitrida, Per Hilletofth}, url = {https://doi.org/10.1080/23302674.2021.1922949}, doi = {10.1080/23302674.2021.1922949}, year = {2021}, date = {2021-05-03}, abstract = {With increasing demand volatility, companies must develop flexibility at multiple supply-chain stages, including in transportation. One method for doing this is combining long-term contract carriers with on-demand sourcing of transportation capacity from the spot market. In line with the growth of online riding services, on-demand sourcing for trucking services is now emerging. This study investigates mixing contract-based and on-demand sourcing for transportation services in the currently uncertain transportation supply. We describe the uncertainty stemming from the contract market’s rejection rate, the variability in terms of truck availability and response times, and the prices offered on the spot market. The situation is modelled using a discrete-event simulation approach to capture the complexity of the system. Our experiment indicates that greater reliance on the spot market could result in a better fill rate but lower delivery punctuality and higher transportation costs. The decision to mix contract-based and on-demand sourcing should consider uncertainty factors on the supply side, including (i) the rejection rate from contract-based carriers, (ii) the availability and waiting times for services from the spot market, and (iii) price uncertainty in the spot market.}, keywords = {}, pubstate = {published}, tppubtype = {article} } With increasing demand volatility, companies must develop flexibility at multiple supply-chain stages, including in transportation. One method for doing this is combining long-term contract carriers with on-demand sourcing of transportation capacity from the spot market. In line with the growth of online riding services, on-demand sourcing for trucking services is now emerging. This study investigates mixing contract-based and on-demand sourcing for transportation services in the currently uncertain transportation supply. We describe the uncertainty stemming from the contract market’s rejection rate, the variability in terms of truck availability and response times, and the prices offered on the spot market. The situation is modelled using a discrete-event simulation approach to capture the complexity of the system. Our experiment indicates that greater reliance on the spot market could result in a better fill rate but lower delivery punctuality and higher transportation costs. The decision to mix contract-based and on-demand sourcing should consider uncertainty factors on the supply side, including (i) the rejection rate from contract-based carriers, (ii) the availability and waiting times for services from the spot market, and (iii) price uncertainty in the spot market. |
Sirajuddin Akbar Gunawan, Fani Rahma Damayanti PENINGKATAN KUALITAS LAYANAN PADA INDUSTRI TRANSPORTASI KERETA MASS RAPID TRANSIT JAKARTA Journal Article Journal Industrial Servicess , 6 (2), 2021, ISSN: 2461-0631. @article{Sirajuddin2021, title = {PENINGKATAN KUALITAS LAYANAN PADA INDUSTRI TRANSPORTASI KERETA MASS RAPID TRANSIT JAKARTA}, author = {Sirajuddin, Akbar Gunawan, Fani Rahma Damayanti}, url = {http://dx.doi.org/10.36055/62017}, doi = {10.36055}, issn = {2461-0631}, year = {2021}, date = {2021-04-05}, journal = {Journal Industrial Servicess }, volume = {6}, number = {2}, abstract = {The Jakarta Mass Rapid Transit merupakan transportasi massal berupa kereta yang dibangun untuk mengurangi angka kemacetan di DKI Jakarta. MRT Jakarta mampu mengangkut penumpang sebanyak ±250.000 penumpang. MRT Jakarta mempunyai target penumpang pada tahun 2021 sebesar 130.000 orang setiap harinya. Namun, berdasarkan data penumpang yang didapatkan dari PT. MRT Jakarta hal tersebut belum dapat tercapai, Selain karena pandemi juga karena ada beberapa faktor yang berpengaruh. Menurut pelanggan MRT, salah yang penyebab menurunnya penumpang karena pelayanan yang masih belum maksimal seperti pemeriksaan barang bawaan oleh petugas yang dirasa oleh penumpang menyebabkan antrian yang panjang, dan masih sangat minim adanya penandaan yang memberikan informasi dan edukasi pada penumpang, baik penandaan di stasiun dan kabin kereta serta sempat terjadi keterlambatan kereta yang tidak sesuai dengan jadwal. Dengan adanya permasalahan tersebut, maka dibutuhkan sebuah penelitian tentang peningkatan layanan MRT termasuk mengetahui faktor- faktor yang mempengaruhi penilaian konsumen terhadap layanan MRT Jakarta, dan merekomendaskan usulan perbaikan perbaikan layanan. Dengan menggunakan metode integrasi Servqual, KANO, dan Quality Function Deployment diperoleh bahwa ada 33 atribut yang berpengaruh terhadap kualitas layanan, sedangkan atribut yang menjadi prioritas untuk perbaikan layanan ada 20 atribut yang masing-masing terbagi menjadi 3 kategori yaitu kategori attractive sebanyak 8 atribut, untuk kategori one -dimensional sebanyak 6 atribut dan untuk kategori must-be sebanyak 6 atribut.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The Jakarta Mass Rapid Transit merupakan transportasi massal berupa kereta yang dibangun untuk mengurangi angka kemacetan di DKI Jakarta. MRT Jakarta mampu mengangkut penumpang sebanyak ±250.000 penumpang. MRT Jakarta mempunyai target penumpang pada tahun 2021 sebesar 130.000 orang setiap harinya. Namun, berdasarkan data penumpang yang didapatkan dari PT. MRT Jakarta hal tersebut belum dapat tercapai, Selain karena pandemi juga karena ada beberapa faktor yang berpengaruh. Menurut pelanggan MRT, salah yang penyebab menurunnya penumpang karena pelayanan yang masih belum maksimal seperti pemeriksaan barang bawaan oleh petugas yang dirasa oleh penumpang menyebabkan antrian yang panjang, dan masih sangat minim adanya penandaan yang memberikan informasi dan edukasi pada penumpang, baik penandaan di stasiun dan kabin kereta serta sempat terjadi keterlambatan kereta yang tidak sesuai dengan jadwal. Dengan adanya permasalahan tersebut, maka dibutuhkan sebuah penelitian tentang peningkatan layanan MRT termasuk mengetahui faktor- faktor yang mempengaruhi penilaian konsumen terhadap layanan MRT Jakarta, dan merekomendaskan usulan perbaikan perbaikan layanan. Dengan menggunakan metode integrasi Servqual, KANO, dan Quality Function Deployment diperoleh bahwa ada 33 atribut yang berpengaruh terhadap kualitas layanan, sedangkan atribut yang menjadi prioritas untuk perbaikan layanan ada 20 atribut yang masing-masing terbagi menjadi 3 kategori yaitu kategori attractive sebanyak 8 atribut, untuk kategori one -dimensional sebanyak 6 atribut dan untuk kategori must-be sebanyak 6 atribut. |
Eka Kurnia Asih Pakpahan Andi Cakravastia, Anas Ma'ruf Bermawi Priyatna Iskandar Simultaneous Assignment and Pricing for Multi-Objective Online Ride-Hailing Problem Model Journal Article International Conference on Management Science and Industrial Engineering, pp. 57-63, 2021. @article{Pakpahan2021, title = {Simultaneous Assignment and Pricing for Multi-Objective Online Ride-Hailing Problem Model}, author = {Eka Kurnia Asih Pakpahan, Andi Cakravastia, Anas Ma'ruf, Bermawi Priyatna Iskandar}, url = {https://doi.org/10.1145/3460824.3460834}, doi = {10.1145/3460824.3460834}, year = {2021}, date = {2021-04-02}, journal = {International Conference on Management Science and Industrial Engineering}, pages = {57-63}, abstract = {This paper proposed an assignment model for online ride-hailing (ORH). ORH platform acts as an intermediary and their main job is to match passenger requests to the driver. Drivers and passengers might accept or reject the assignment result based on their individual preferences. From the platform's standpoint, it is necessary to ensure that the acceptance likelihood is high. To do this, the platform needs to consider each party's interests, and it often involves a multi-objective characteristic. Drivers are income-sensitive, while passengers are interested in a safe trip, low trip price, and short pickup distance. Several researchers have considered these factors in their assignment model but overlooked the possibility of dependency among factors as well as the heterogeneity of drivers and passenger's behavior. In this paper, we propose an assignment model which considers the multi-objective characteristic, factors dependency, and customer behavior's heterogeneity. A weighted-sum multi-objective optimization model is used to find the optimal solution, which allows us to incorporate the interests of the ORH platform, drivers, and passengers into the model. We defined how the trip price could affect the driver's and passenger's pickup distance tolerance and solved simultaneously the assignment and trip price determination. We tested the model developed using hypothetical data and showed that the solution of the model is better compared to the output of the general assignment models which use a distance minimization policy.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This paper proposed an assignment model for online ride-hailing (ORH). ORH platform acts as an intermediary and their main job is to match passenger requests to the driver. Drivers and passengers might accept or reject the assignment result based on their individual preferences. From the platform's standpoint, it is necessary to ensure that the acceptance likelihood is high. To do this, the platform needs to consider each party's interests, and it often involves a multi-objective characteristic. Drivers are income-sensitive, while passengers are interested in a safe trip, low trip price, and short pickup distance. Several researchers have considered these factors in their assignment model but overlooked the possibility of dependency among factors as well as the heterogeneity of drivers and passenger's behavior. In this paper, we propose an assignment model which considers the multi-objective characteristic, factors dependency, and customer behavior's heterogeneity. A weighted-sum multi-objective optimization model is used to find the optimal solution, which allows us to incorporate the interests of the ORH platform, drivers, and passengers into the model. We defined how the trip price could affect the driver's and passenger's pickup distance tolerance and solved simultaneously the assignment and trip price determination. We tested the model developed using hypothetical data and showed that the solution of the model is better compared to the output of the general assignment models which use a distance minimization policy. |
Azizah Hadny Quarrota A'yun Hanif Ardian, Maulidina Khairannisa Nunuh Sherlinta Immanuella Yuniaristanto Yuniaristanto Pemilihan Metode Peramalan Jumlah Permintaan Koran dengan Tingkat Kesalahan Terendah Journal Article MATRIK: Jurnal Manajemen dan Teknik Industri Produksi, 21 (2), pp. 91-100, 2021. @article{A'yun2021, title = {Pemilihan Metode Peramalan Jumlah Permintaan Koran dengan Tingkat Kesalahan Terendah}, author = {Azizah Hadny Quarrota A'yun, Hanif Ardian, Maulidina Khairannisa Nunuh, Sherlinta Immanuella, Yuniaristanto Yuniaristanto}, url = {http://dx.doi.org/10.30587/matrik.v21i2.1325}, doi = {10.30587}, year = {2021}, date = {2021-03-30}, journal = {MATRIK: Jurnal Manajemen dan Teknik Industri Produksi}, volume = {21}, number = {2}, pages = {91-100}, abstract = {Pada era digital saat ini, banyak sekali industri yang mengalami dampak dari digitalisasi, salah satunya adalah industri surat kabar (koran). Adanya digitalisasi menyebabkan permintaan koran semakin fluktuatif dan sulit diprediksi. Hal ini juga menyebabkan tingkat retur atau pengembalian koran dari agen-agen yang cukup tinggi dan tentu saja akan memberikan kerugian yang cukup besar bagi perusahaan. Untuk itu, perlu dilakukan penentuan métode peramalan jumlah permintaan koran yang memiliki tingkat kesalahan terkecil sehingga dapat membantu perusahaan mengurangi kerugian akibat retur koran. Penelitian ini menghitung peramalan permintaan menggunakan beberapa metode antara lain trend line analysis, double exponential smoothing, dan two months moving average. Selain itu, penelitian ini juga membandingkan hasil peramalannya dengan penelitian terdahulu yang menggunakan metode ARIMA. Pemilihan metode peramalan yang terbaik dilakukan dengan membandingkan tingkat kesalahan (MAPE) dari tiap-tiap metode kemudian dipilih metode dengan tingkat kesalahan terkecil. Berdasarkan perbandingan yang dilakukan, dapat diketahui bahwa metode peramalan yang memiliki tingkat kesalahan terkecil adalah metode trend line analysis dengan nilai MAPE sebesar 2, 94%. Oleh karena itu, metode peramalan yang terbaik untuk melakukan peramalan permintaan jumlah koran di Kota Surakarta adalah metode trend line analysis.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Pada era digital saat ini, banyak sekali industri yang mengalami dampak dari digitalisasi, salah satunya adalah industri surat kabar (koran). Adanya digitalisasi menyebabkan permintaan koran semakin fluktuatif dan sulit diprediksi. Hal ini juga menyebabkan tingkat retur atau pengembalian koran dari agen-agen yang cukup tinggi dan tentu saja akan memberikan kerugian yang cukup besar bagi perusahaan. Untuk itu, perlu dilakukan penentuan métode peramalan jumlah permintaan koran yang memiliki tingkat kesalahan terkecil sehingga dapat membantu perusahaan mengurangi kerugian akibat retur koran. Penelitian ini menghitung peramalan permintaan menggunakan beberapa metode antara lain trend line analysis, double exponential smoothing, dan two months moving average. Selain itu, penelitian ini juga membandingkan hasil peramalannya dengan penelitian terdahulu yang menggunakan metode ARIMA. Pemilihan metode peramalan yang terbaik dilakukan dengan membandingkan tingkat kesalahan (MAPE) dari tiap-tiap metode kemudian dipilih metode dengan tingkat kesalahan terkecil. Berdasarkan perbandingan yang dilakukan, dapat diketahui bahwa metode peramalan yang memiliki tingkat kesalahan terkecil adalah metode trend line analysis dengan nilai MAPE sebesar 2, 94%. Oleh karena itu, metode peramalan yang terbaik untuk melakukan peramalan permintaan jumlah koran di Kota Surakarta adalah metode trend line analysis. |
Meilinda Ayundyahrini Putty Anggraeni Suprapto, Fahrina Fahma Wahyudi Sutopo Eko Pujiyanto Putty Anggraeni PARAMETER UTAMA DAN KESIAPAN LEMBAGA PENILAIAN KESESUAIAN KURSI RODA MANUAL DALAM PENGEMBANGAN STANDAR DI INDONESIA Journal Article Jurnal Standardisasi, 33 (1), pp. 33-42, 2021. @article{Ayundyahrini2021, title = {PARAMETER UTAMA DAN KESIAPAN LEMBAGA PENILAIAN KESESUAIAN KURSI RODA MANUAL DALAM PENGEMBANGAN STANDAR DI INDONESIA}, author = {Meilinda Ayundyahrini, Putty Anggraeni Suprapto, Fahrina Fahma, Wahyudi Sutopo, Eko Pujiyanto, Putty Anggraeni}, url = {https://scholar.google.com/scholar?oi=bibs&cluster=7692023395327324344&btnI=1&hl=id}, year = {2021}, date = {2021-03-28}, journal = {Jurnal Standardisasi}, volume = {33}, number = {1}, pages = {33-42}, abstract = {Berdasarkan ketentuan ASEAN Medical Device Directive (AMDD) kursi roda yang termasuk dalam klasifikasi penggunaan risiko rendah. Sehingga Kementerian Kesehatan tidak menjadikan SNI (Standar Nasional Indonesia) sebagai persyaratan dalam pengajuan izin edar. Sebab, produk kursi roda yang paling banyak ditemui di Indonesia memang tidak berkualitas, apalagi produk impor. Kondisi ini tentunya bertentangan dengan Undang-Undang Nomor 36 Tahun 2009 Pasal 42. Penelitian ini bertujuan untuk mendapatkan parameter utama dan kesiapan CAB jika standar diterapkan. Parameter utama terdiri dari 7 parameter dan 30 sub parameter. Parameter tersebut adalah: stabilitas, kemampuan manuver, mobilitas dan penyimpanan produk, dimensi, kekuatan, daya tahan, dan informasi produk. Sedangkan sub parameter yang dapat diusulkan menjadi National Differences adalah: dimensi dengan antropometri harus mampu menampung segmen persentil Indonesia, uji fatik dilakukan lebih dari 200.000 putaran, uji jatuh dilakukan lebih dari 6.666 siklus, uji ujung tajam, uji sisi halus, dan koefisien gesekan. Dalam persiapan penerapan SNI kursi roda manual, diperlukan Badan Penilai Kesesuaian (CAB). Mengidentifikasi 6 laboratorium penguji, 4 badan sertifikasi produk. Waktu yang dibutuhkan untuk mempersiapkan infrastruktur pengujian diperkirakan 6-12 bulan.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Berdasarkan ketentuan ASEAN Medical Device Directive (AMDD) kursi roda yang termasuk dalam klasifikasi penggunaan risiko rendah. Sehingga Kementerian Kesehatan tidak menjadikan SNI (Standar Nasional Indonesia) sebagai persyaratan dalam pengajuan izin edar. Sebab, produk kursi roda yang paling banyak ditemui di Indonesia memang tidak berkualitas, apalagi produk impor. Kondisi ini tentunya bertentangan dengan Undang-Undang Nomor 36 Tahun 2009 Pasal 42. Penelitian ini bertujuan untuk mendapatkan parameter utama dan kesiapan CAB jika standar diterapkan. Parameter utama terdiri dari 7 parameter dan 30 sub parameter. Parameter tersebut adalah: stabilitas, kemampuan manuver, mobilitas dan penyimpanan produk, dimensi, kekuatan, daya tahan, dan informasi produk. Sedangkan sub parameter yang dapat diusulkan menjadi National Differences adalah: dimensi dengan antropometri harus mampu menampung segmen persentil Indonesia, uji fatik dilakukan lebih dari 200.000 putaran, uji jatuh dilakukan lebih dari 6.666 siklus, uji ujung tajam, uji sisi halus, dan koefisien gesekan. Dalam persiapan penerapan SNI kursi roda manual, diperlukan Badan Penilai Kesesuaian (CAB). Mengidentifikasi 6 laboratorium penguji, 4 badan sertifikasi produk. Waktu yang dibutuhkan untuk mempersiapkan infrastruktur pengujian diperkirakan 6-12 bulan. |
Vica Endah Titis Danang Parikesit, Imam Muthohar Latief Budi Suparma Identifikasi Desain Walkability Kawasan TOD Blok A Journal Article Jurnal Transportasi Multimoda, 18 (2), pp. 115-124, 2021. @article{Titis2021, title = {Identifikasi Desain Walkability Kawasan TOD Blok A}, author = {Vica Endah Titis, Danang Parikesit, Imam Muthohar, Latief Budi Suparma}, url = {https://doi.org/10.25104/mtm.v18i2.1717}, doi = {10.25104/mtm.v18i2.1717}, year = {2021}, date = {2021-03-05}, journal = {Jurnal Transportasi Multimoda}, volume = {18}, number = {2}, pages = {115-124}, abstract = {TOD adalah solusi untuk mengatasi masalah kemacetan di Jakarta, terutama kawasan Blok A. Pengembangan kawasan ini berorientasi transit. Sementara, walkablity sebagai fondasi berdirinya TOD. Walkability merupakan ukuran seberapa baik membentuk lingkungan yang menyemarakkan berjalan kaki (Riley et al., 2013, Grasser et al., 2013). Maka, peneliti bermaksud untuk mengidentifikasi desain walkability eksisting. Tahapan pengukuran penelitian ini, yaitu: pertama, pola pergerakan pejalan kaki dilakukan dengan plotting pergerakan pejalan kak. Kedua, pengukuran indeks walkability menggunakan alat Clean Air Initiative for Asia Cities. Ketiga, pengukuran preferensi pejalan kaki menggunakan survei wawancara Global WaIkability Index. Keempat, redesain walkability disesuaikan dari penelitian Marchiano (2019) yang menyediakan integrasi moda. Redesain walkability sesuai kriteria Pedoman Perencanaan Teknis Fasilitas Pejalan Kaki Kementerian Pekerjaan Umum dan Perumahan Rakyat dengan mempertimbangkan Rencana Detail Tata Ruang Jakarta Selatan. Keempat, Pola Pejalan Kaki yang ada, preferensi pejalan kaki, dan indeks walkability adalah tiga faktor untuk menyusun pola pergerakan setelah redesain walkability. Output yang diperoleh ialah indeks walkability setelah redesain. Hasil pengukuran menunjukkan indeks walkability eksisting sebesar 55.657 yang diklasifikasikan sebagai "sedikit walkable". Hasil preferensi pejalan kaki konsisten dengan hasil indeks walkability, walkability relatif buruk. Redesain walkability terbatas pada jalur pejalan kaki. Setelah redesain, indeks walkability meningkat menjadi 73.535 yang digolongkan "sangat walkable"}, keywords = {}, pubstate = {published}, tppubtype = {article} } TOD adalah solusi untuk mengatasi masalah kemacetan di Jakarta, terutama kawasan Blok A. Pengembangan kawasan ini berorientasi transit. Sementara, walkablity sebagai fondasi berdirinya TOD. Walkability merupakan ukuran seberapa baik membentuk lingkungan yang menyemarakkan berjalan kaki (Riley et al., 2013, Grasser et al., 2013). Maka, peneliti bermaksud untuk mengidentifikasi desain walkability eksisting. Tahapan pengukuran penelitian ini, yaitu: pertama, pola pergerakan pejalan kaki dilakukan dengan plotting pergerakan pejalan kak. Kedua, pengukuran indeks walkability menggunakan alat Clean Air Initiative for Asia Cities. Ketiga, pengukuran preferensi pejalan kaki menggunakan survei wawancara Global WaIkability Index. Keempat, redesain walkability disesuaikan dari penelitian Marchiano (2019) yang menyediakan integrasi moda. Redesain walkability sesuai kriteria Pedoman Perencanaan Teknis Fasilitas Pejalan Kaki Kementerian Pekerjaan Umum dan Perumahan Rakyat dengan mempertimbangkan Rencana Detail Tata Ruang Jakarta Selatan. Keempat, Pola Pejalan Kaki yang ada, preferensi pejalan kaki, dan indeks walkability adalah tiga faktor untuk menyusun pola pergerakan setelah redesain walkability. Output yang diperoleh ialah indeks walkability setelah redesain. Hasil pengukuran menunjukkan indeks walkability eksisting sebesar 55.657 yang diklasifikasikan sebagai "sedikit walkable". Hasil preferensi pejalan kaki konsisten dengan hasil indeks walkability, walkability relatif buruk. Redesain walkability terbatas pada jalur pejalan kaki. Setelah redesain, indeks walkability meningkat menjadi 73.535 yang digolongkan "sangat walkable" |
Diana Puspita Sari Nur Aini Masruroh, Anna Maria Sri Asih Consumer Intention to Participate in E-Waste Collection Programs: A Study of Smartphone Waste in Indonesia Journal Article Sustainability , 13 (5), pp. 2759, 2021, ISSN: 2071-1050. @article{Sari2021b, title = {Consumer Intention to Participate in E-Waste Collection Programs: A Study of Smartphone Waste in Indonesia}, author = {Diana Puspita Sari, Nur Aini Masruroh, Anna Maria Sri Asih}, url = {https://www.mdpi.com/2071-1050/13/5/2759}, doi = {10.3390/su13052759}, issn = {2071-1050}, year = {2021}, date = {2021-03-04}, journal = {Sustainability }, volume = {13}, number = {5}, pages = {2759}, abstract = {Indonesia is a developing country with a low-level e-waste management system based on a limited number of informal initiatives. E-waste requires proper management procedures, which involve the design of a reverse logistics management network. Consumers play a critical role in such a network, because the network runs when they willingly participate as suppliers of waste. This paper applies the Theory of Planned Behavior framework and extends it using Reverse Logistics drivers, the Value Belief Norm Theory, and facility accessibility to explain consumer intention to participate in e-waste collection programs. A survey was conducted on smartphone users in Indonesia, with a total of 324 valid questionnaires. The results showed that government drivers, facility accessibility, and personal attitudes significantly influence consumer intentions. Environmental concern has a positive influence on consumer intentions through the variables of the Theory of Planned Behavior and perceived behavioral control through government drivers. This study shows the need for integration, because the variables reinforce each other. However, neither economic drivers nor subjective norms significantly influence consumer intentions. This finding distinguishes Indonesia from other countries, especially developed countries, in that e-waste collection programs have not become part of the culture in Indonesia. For this reason, Indonesia needs regulations, as the most influential variable, to regulate the implementation of such a program.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Indonesia is a developing country with a low-level e-waste management system based on a limited number of informal initiatives. E-waste requires proper management procedures, which involve the design of a reverse logistics management network. Consumers play a critical role in such a network, because the network runs when they willingly participate as suppliers of waste. This paper applies the Theory of Planned Behavior framework and extends it using Reverse Logistics drivers, the Value Belief Norm Theory, and facility accessibility to explain consumer intention to participate in e-waste collection programs. A survey was conducted on smartphone users in Indonesia, with a total of 324 valid questionnaires. The results showed that government drivers, facility accessibility, and personal attitudes significantly influence consumer intentions. Environmental concern has a positive influence on consumer intentions through the variables of the Theory of Planned Behavior and perceived behavioral control through government drivers. This study shows the need for integration, because the variables reinforce each other. However, neither economic drivers nor subjective norms significantly influence consumer intentions. This finding distinguishes Indonesia from other countries, especially developed countries, in that e-waste collection programs have not become part of the culture in Indonesia. For this reason, Indonesia needs regulations, as the most influential variable, to regulate the implementation of such a program. |
Asep Ridwan Putro Ferro Ferdinant, Niken Ayu Savitri PERANCANGAN KLASTER INDUSTRI HILIR PETROKIMIA DENGAN PENDEKATAN SISTEM RANTAI PASOK DI KOTA CILEGON Journal Article Journal Industrial Services, 6 (2), 2021. @article{Ridwan2021b, title = {PERANCANGAN KLASTER INDUSTRI HILIR PETROKIMIA DENGAN PENDEKATAN SISTEM RANTAI PASOK DI KOTA CILEGON}, author = {Asep Ridwan, Putro Ferro Ferdinant, Niken Ayu Savitri}, url = {http://jurnal.untirta.ac.id/index.php/jiss}, doi = {http://dx.doi.org/10.36055/62011}, year = {2021}, date = {2021-03-01}, journal = {Journal Industrial Services}, volume = {6}, number = {2}, abstract = {Salah satu pendukung sektor ekonomi di Indonesia adalah sektor industri yang berfokus pada industri pengolahan. Provinsi Banten dengan Kota Cilegon yang merupakan salah satu kota industrinya. Kota Cilegon memiliki potensi industri hulu petrokimia yang besar tetapi tidak banyak memiliki industri hilir atau turunannya. Penelitian ini bertujuan untuk merancang sentra industri hilir petrokimia dengan menggunakan tahapan DMAIC (define-measure-analyze-improve-control). Tahap define mendefinisikan bentuk dan jenis industri hilir petrokimia yang dikembangkan yaitu industri hilir safety gloves, dengan bentuk industri kecil dan menengah (IKM). Pada tahap measure dihasilkan cluster map, diagram SIPOC, dan rancangan rantai pasokan untuk sentra IKM. PT XYZ, PT PQR, dan pemasok packaging sebagai supplier; sentra IKM sebagai manufacturer; jasa distribusi dan transportasi sebagai distributor; toko penjual eceran sebagai retailer; dan customer akhir. Pada tahap analyze terdiri dari value chain analysis dan analisa SWOT (strength-weakness-opportunity-threats). Pada tahap improve disusun matriks IFAS (internal factor analysis summary) dan EFAS (external factor analysis summary). Hasil Grand Strategy Matrix menunjukkan total skor faktor internal adalah 1,4, dan total skor faktor eksternal adalah 2,0. Oleh karena itu, didapatkan titik koordinat (1,4 ; 2,0) yang berada di kuadran pertumbuhan (growth). Strategi yang dilakukan adalah strategi S-O (strength-opportunity): 1) melakukan promosi melalui platform media sosial serta marketplace; 2) melakukan kerjasama dengan pemerintah untuk distribusi di luar Provinsi Banten; 3) melakukan pembangunan IKM di salah satu kelurahan di Kecamatan Citangkil; 4) melakukan sosialisasi terkait profesi yang ada pada IKM kepada warga sekitar; dan 5) melakukan pelatihan bagi tenaga kerja dari penduduk sekitar.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Salah satu pendukung sektor ekonomi di Indonesia adalah sektor industri yang berfokus pada industri pengolahan. Provinsi Banten dengan Kota Cilegon yang merupakan salah satu kota industrinya. Kota Cilegon memiliki potensi industri hulu petrokimia yang besar tetapi tidak banyak memiliki industri hilir atau turunannya. Penelitian ini bertujuan untuk merancang sentra industri hilir petrokimia dengan menggunakan tahapan DMAIC (define-measure-analyze-improve-control). Tahap define mendefinisikan bentuk dan jenis industri hilir petrokimia yang dikembangkan yaitu industri hilir safety gloves, dengan bentuk industri kecil dan menengah (IKM). Pada tahap measure dihasilkan cluster map, diagram SIPOC, dan rancangan rantai pasokan untuk sentra IKM. PT XYZ, PT PQR, dan pemasok packaging sebagai supplier; sentra IKM sebagai manufacturer; jasa distribusi dan transportasi sebagai distributor; toko penjual eceran sebagai retailer; dan customer akhir. Pada tahap analyze terdiri dari value chain analysis dan analisa SWOT (strength-weakness-opportunity-threats). Pada tahap improve disusun matriks IFAS (internal factor analysis summary) dan EFAS (external factor analysis summary). Hasil Grand Strategy Matrix menunjukkan total skor faktor internal adalah 1,4, dan total skor faktor eksternal adalah 2,0. Oleh karena itu, didapatkan titik koordinat (1,4 ; 2,0) yang berada di kuadran pertumbuhan (growth). Strategi yang dilakukan adalah strategi S-O (strength-opportunity): 1) melakukan promosi melalui platform media sosial serta marketplace; 2) melakukan kerjasama dengan pemerintah untuk distribusi di luar Provinsi Banten; 3) melakukan pembangunan IKM di salah satu kelurahan di Kecamatan Citangkil; 4) melakukan sosialisasi terkait profesi yang ada pada IKM kepada warga sekitar; dan 5) melakukan pelatihan bagi tenaga kerja dari penduduk sekitar. |
Setyo Tri Windras Mara R.J. Kuo, Anna Maria Sri Asih Location-routing problem: a classification of recent research Journal Article International Transactions in Operational Research, 28 (6), pp. 2941-2983, 2021. @article{Mara2021, title = {Location-routing problem: a classification of recent research}, author = {Setyo Tri Windras Mara, R.J. Kuo, Anna Maria Sri Asih}, url = {https://doi.org/10.1111/itor.12950}, doi = {10.1111/itor.12950}, year = {2021}, date = {2021-02-27}, journal = {International Transactions in Operational Research}, volume = {28}, number = {6}, pages = {2941-2983}, abstract = {The location-routing problem (LRP) and its variants have been studied extensively over the past few years. The number of articles has grown more than ever, since the last surveys. Therefore, this study aims to perform a review of recent LRP research from 222 academic literature published from 2014 to 2019. The analysis of publication intensity, problem characteristics, solution methods, and application areas was executed to draw the state-of-the-art of LRP research. As the main contributions to this study, a new taxonomy was proposed to capture some recently emerging issues in LRP and some suggestions for future research were listed and discussed.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The location-routing problem (LRP) and its variants have been studied extensively over the past few years. The number of articles has grown more than ever, since the last surveys. Therefore, this study aims to perform a review of recent LRP research from 222 academic literature published from 2014 to 2019. The analysis of publication intensity, problem characteristics, solution methods, and application areas was executed to draw the state-of-the-art of LRP research. As the main contributions to this study, a new taxonomy was proposed to capture some recently emerging issues in LRP and some suggestions for future research were listed and discussed. |
Putri Amalia Nurfitria Handayani, Maeva Apriza Elisa Kusrini Risk Analysis in Halal Fast Food Supply Chain Restaurant using Risk Map Method Journal Article International Journal of Mechanical Engineering Technologies and Applications, 2 (1), pp. 61-66, 2021, ISSN: 2722-3213. @article{Amalia2021, title = {Risk Analysis in Halal Fast Food Supply Chain Restaurant using Risk Map Method}, author = {Putri Amalia, Nurfitria Handayani, Maeva Apriza, Elisa Kusrini}, url = {https://mechta.ub.ac.id/index.php/mechta/article/view/45/19}, issn = { 2722-3213}, year = {2021}, date = {2021-02-26}, journal = {International Journal of Mechanical Engineering Technologies and Applications}, volume = {2}, number = {1}, pages = {61-66}, abstract = {Halal food has increasing demand in recent years. Many countries are promoting its tourism and culinary by providing halal status. In order to implement Halal system which is used to obtain Halal status, the culinary or restaurant company should accomplish several requirements that covers from many stakeholders in their supply chain management such as supplier, logistics, and production process. Hence, there are some risks obtained in conducting Halal supply chain system. The risks found at this research are from its business process which is procurement, raw material delivery, inventory, production, and consumer. From those processes, the risks discovered are listed and assigned with their severity and probability, ended up in Risk Priority Index. The risks then ranked and mapped in the risk map in order to know which risks that has high impacts. Some responses are proposed to overcome the critical risks, such as sanitary checking before delivered to the customer, make some chambers, and make SOP related to hygiene of the kitchen.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Halal food has increasing demand in recent years. Many countries are promoting its tourism and culinary by providing halal status. In order to implement Halal system which is used to obtain Halal status, the culinary or restaurant company should accomplish several requirements that covers from many stakeholders in their supply chain management such as supplier, logistics, and production process. Hence, there are some risks obtained in conducting Halal supply chain system. The risks found at this research are from its business process which is procurement, raw material delivery, inventory, production, and consumer. From those processes, the risks discovered are listed and assigned with their severity and probability, ended up in Risk Priority Index. The risks then ranked and mapped in the risk map in order to know which risks that has high impacts. Some responses are proposed to overcome the critical risks, such as sanitary checking before delivered to the customer, make some chambers, and make SOP related to hygiene of the kitchen. |
Femi Yulianti Senator Nur Bahagia, Andi Cakravastia ; Govindaraju, Rajesri Coordination mechanism framework for container dwelling time reduction Journal Article 13 (1-2), pp. 25-43, 2021, ISSN: 1756-6517. @article{Yulianti2021, title = {Coordination mechanism framework for container dwelling time reduction}, author = {Femi Yulianti, Senator Nur Bahagia, Andi Cakravastia and Rajesri Govindaraju}, issn = {1756-6517}, year = {2021}, date = {2021-02-22}, volume = {13}, number = {1-2}, pages = {25-43}, abstract = {Dwelling time contributed 36.3% to the total time of land transportation in 2017 and is one of the commercial instruments to attract cargo and generate revenue. The government of Indonesia has attempted to reduce dwelling time by improving infrastructure and reforming bureaucracy but so far has paid little attention to straightening out coordination mechanisms between actors. Few studies have been conducted on port management - integrated planning and control of all seaport areas - and on coordination mechanisms related to dwelling time. This paper seeks to fill this gap with the question: how can coordination mechanisms between actors be conducted to reduce dwelling time? For answering this question, a coordination framework was built as the basis for the development of three coordination mechanism models.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Dwelling time contributed 36.3% to the total time of land transportation in 2017 and is one of the commercial instruments to attract cargo and generate revenue. The government of Indonesia has attempted to reduce dwelling time by improving infrastructure and reforming bureaucracy but so far has paid little attention to straightening out coordination mechanisms between actors. Few studies have been conducted on port management - integrated planning and control of all seaport areas - and on coordination mechanisms related to dwelling time. This paper seeks to fill this gap with the question: how can coordination mechanisms between actors be conducted to reduce dwelling time? For answering this question, a coordination framework was built as the basis for the development of three coordination mechanism models. |
Wahyu Susihono Asep Ridwan, Ali Alhamidi A Controlling Risks Through Ergonomics Participatory in Industry of Processed Meat Products Certified Halal Journal Article International Journal of Supply Chain Management, 10 (1), 2021, ISSN: 2050-7399. @article{Susihono2021, title = {Controlling Risks Through Ergonomics Participatory in Industry of Processed Meat Products Certified Halal}, author = {Wahyu Susihono, Asep Ridwan, A. Ali Alhamidi}, url = {https://www.researchgate.net/profile/Asep-Ridwan/publication/352936463_Controlling_Risks_Through_Ergonomics_Participatory_in_Industry_of_Processed_Meat_Products_Certified_Halal/links/60e06c20a6fdccb745034c67/Controlling-Risks-Through-Ergonomics-Participatory-in-Industry-of-Processed-Meat-Products-Certified-Halal.pdf}, issn = { 2050-7399}, year = {2021}, date = {2021-02-01}, journal = {International Journal of Supply Chain Management}, volume = {10}, number = {1}, abstract = {The halal certified processed meat industry in Banten province reaches 147 industries spread across eight districts / cities in Banten Province. Evaluation of the HAS-2300 implementation has been carried out periodically, but there are still various weaknesses that result in the company's performance being not optimal. Risk control has also been implemented to anticipate various contaminants and activities that may harm employees, but there are still errors in implementing work procedures. Risk control through participatory ergonomics is needed to find the most critical point in the halal meat processing industry. Respondents in this study were determined based on purposive sampling technique. The results showed that the greatest risk comes from social-technical factors, namely that humans are the main factor at the critical point of materials. Although the process of slaughter has been assisted by the adoption of technology, the existence of humans is not replaced by machines. Animal slaughter techniques are the key to meeting the critical point of meat products.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The halal certified processed meat industry in Banten province reaches 147 industries spread across eight districts / cities in Banten Province. Evaluation of the HAS-2300 implementation has been carried out periodically, but there are still various weaknesses that result in the company's performance being not optimal. Risk control has also been implemented to anticipate various contaminants and activities that may harm employees, but there are still errors in implementing work procedures. Risk control through participatory ergonomics is needed to find the most critical point in the halal meat processing industry. Respondents in this study were determined based on purposive sampling technique. The results showed that the greatest risk comes from social-technical factors, namely that humans are the main factor at the critical point of materials. Although the process of slaughter has been assisted by the adoption of technology, the existence of humans is not replaced by machines. Animal slaughter techniques are the key to meeting the critical point of meat products. |
Arief Suwandi Teuku Yuri Zagloel, Akhmad Hidayatno Risk Control Failure of Iron Pipes in Finished Goods Warehouses using Dynamic Systems Journal Article International Journal of Technology, 12 (1), pp. 15-21, 2021, ISSN: 2087-2100. @article{Suwandi2021, title = {Risk Control Failure of Iron Pipes in Finished Goods Warehouses using Dynamic Systems}, author = {Arief Suwandi, Teuku Yuri Zagloel, Akhmad Hidayatno }, url = {https://ijtech.eng.ui.ac.id/download/article/4068}, doi = {https://doi.org/10.14716/ijtech.v12i1.4068}, issn = {2087-2100}, year = {2021}, date = {2021-01-25}, journal = {International Journal of Technology}, volume = {12}, number = {1}, pages = {15-21}, abstract = {The condition of risk control failure causes many consumer complaints because many defective products are found with purchase orders for iron pipes. Storage management is very important for companies in maintaining quality and delivery accuracy for customer satisfaction. At this stage, there is a definite risk of failure from finished product control, such as material handling errors and product damage due to storage. The purpose of this research is to develop a failure risk control model in the finished goods inventory system. Iron Pipe defects are caused by poor material handling and product storage in the company. Exogenous variables from this simulation are the reliability of product handling, percentage of successful rework, and percentage of deteriorated product. The simulation results show that the optimistic scenario has the smallest defect of 0% and is followed by a most likely scenario of 1% and a pessimistic scenario of 4%. The resulting model can minimize the risk of failure of iron pipe products in finished goods warehouses, and the model can be applied in more complex real-world cases.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The condition of risk control failure causes many consumer complaints because many defective products are found with purchase orders for iron pipes. Storage management is very important for companies in maintaining quality and delivery accuracy for customer satisfaction. At this stage, there is a definite risk of failure from finished product control, such as material handling errors and product damage due to storage. The purpose of this research is to develop a failure risk control model in the finished goods inventory system. Iron Pipe defects are caused by poor material handling and product storage in the company. Exogenous variables from this simulation are the reliability of product handling, percentage of successful rework, and percentage of deteriorated product. The simulation results show that the optimistic scenario has the smallest defect of 0% and is followed by a most likely scenario of 1% and a pessimistic scenario of 4%. The resulting model can minimize the risk of failure of iron pipe products in finished goods warehouses, and the model can be applied in more complex real-world cases. |
Femi Yulianti Senator Nur Bahagia, Andi Cakravastia ; Govindaraju, Rajesri Coordination mechanism framework for container dwelling time reduction Journal Article International Journal of Shipping and Transport Logistics, 13 (1-2), pp. 25-43, 2021. @article{Yulianti2021b, title = {Coordination mechanism framework for container dwelling time reduction}, author = {Femi Yulianti, Senator Nur Bahagia, Andi Cakravastia and Rajesri Govindaraju}, url = {https://www.inderscienceonline.com/doi/abs/10.1504/IJSTL.2021.112911}, doi = {10.1504/IJSTL.2021.112911}, year = {2021}, date = {2021-01-22}, journal = {International Journal of Shipping and Transport Logistics}, volume = {13}, number = {1-2}, pages = {25-43}, abstract = {Dwelling time contributed 36.3% to the total time of land transportation in 2017 and is one of the commercial instruments to attract cargo and generate revenue. The government of Indonesia has attempted to reduce dwelling time by improving infrastructure and reforming bureaucracy but so far has paid little attention to straightening out coordination mechanisms between actors. Few studies have been conducted on port management - integrated planning and control of all seaport areas - and on coordination mechanisms related to dwelling time. This paper seeks to fill this gap with the question: how can coordination mechanisms between actors be conducted to reduce dwelling time? For answering this question, a coordination framework was built as the basis for the development of three coordination mechanism models.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Dwelling time contributed 36.3% to the total time of land transportation in 2017 and is one of the commercial instruments to attract cargo and generate revenue. The government of Indonesia has attempted to reduce dwelling time by improving infrastructure and reforming bureaucracy but so far has paid little attention to straightening out coordination mechanisms between actors. Few studies have been conducted on port management - integrated planning and control of all seaport areas - and on coordination mechanisms related to dwelling time. This paper seeks to fill this gap with the question: how can coordination mechanisms between actors be conducted to reduce dwelling time? For answering this question, a coordination framework was built as the basis for the development of three coordination mechanism models. |
Mahdi Bashiri Benny Tjahjono, Jordon Lazell Jennifer Ferreira Tomy Perdana The Dynamics of Sustainability Risks in the Global Coffee Supply Chain: A Case of Indonesia–UK Journal Article Sustainability, 13 (2), pp. 589, 2021, ISSN: 2071-1050. @article{Bashiri2021, title = {The Dynamics of Sustainability Risks in the Global Coffee Supply Chain: A Case of Indonesia–UK}, author = {Mahdi Bashiri, Benny Tjahjono, Jordon Lazell, Jennifer Ferreira, Tomy Perdana}, url = {https://www.mdpi.com/2071-1050/13/2/589}, doi = {10.3390/su13020589}, issn = {2071-1050}, year = {2021}, date = {2021-01-09}, journal = {Sustainability}, volume = {13}, number = {2}, pages = {589}, abstract = {Indonesia is one of the leading global coffee producers, and the sustainability of its coffee supply chains is therefore of crucial importance, not only for the coffee sector, but also for the thousands of livelihoods involved. Recognising sustainability risks within supply chains is an important component of understanding logistics. This research investigated the sustainability risks in the Indonesia–UK coffee supply chain by using System Dynamics (SD), a simulation modeling paradigm commonly used to assess complex systems. The model parameters and other components of the dynamic model were extracted through interviews with key stakeholders in the coffee supply chain, supported by evidence from a literature review. The model was then verified and validated in different stages, before being used to investigate five different what-if scenarios to consider changes to parameters in the system. The results of this investigation demonstrate the importance of improving agricultural productivity to support a sustainable coffee supply chain. This research also confirms that by combining the SD model and the multiple criteria decision-making technique, it is possible to achieve a more practical and accurate solution than by the individual tool alone, thus ensuring a better understanding of the whole issues affecting the coffee supply chain.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Indonesia is one of the leading global coffee producers, and the sustainability of its coffee supply chains is therefore of crucial importance, not only for the coffee sector, but also for the thousands of livelihoods involved. Recognising sustainability risks within supply chains is an important component of understanding logistics. This research investigated the sustainability risks in the Indonesia–UK coffee supply chain by using System Dynamics (SD), a simulation modeling paradigm commonly used to assess complex systems. The model parameters and other components of the dynamic model were extracted through interviews with key stakeholders in the coffee supply chain, supported by evidence from a literature review. The model was then verified and validated in different stages, before being used to investigate five different what-if scenarios to consider changes to parameters in the system. The results of this investigation demonstrate the importance of improving agricultural productivity to support a sustainable coffee supply chain. This research also confirms that by combining the SD model and the multiple criteria decision-making technique, it is possible to achieve a more practical and accurate solution than by the individual tool alone, thus ensuring a better understanding of the whole issues affecting the coffee supply chain. |
Lihardo Ranjaliba Saragih Muhammad Dachyar, Teuku Yuri Zagloel M Business Process Reengineering at ICT Operations, In Managing Smart Cities as New Customers (Non-Human) Journal Article International Journal of Technology, 12 (2), pp. 378-389, 2021, ISSN: 2086-9614. @article{Saragih2021, title = {Business Process Reengineering at ICT Operations, In Managing Smart Cities as New Customers (Non-Human)}, author = {Lihardo Ranjaliba Saragih, Muhammad Dachyar, Teuku Yuri M. Zagloel}, url = {https://doi.org/10.14716/ijtech.v12i2.4418}, doi = {10.14716/ijtech.v12i2.4418}, issn = {2086-9614}, year = {2021}, date = {2021-01-01}, journal = {International Journal of Technology}, volume = {12}, number = {2}, pages = {378-389}, abstract = {TELCO is an information communications technology (ICT) company that has a typically high cost, especially for the provisioning and maintenance of its infrastructure. The emergence of over-the-top (OTT) media services, which do not make expensive infrastructure investments, such as the WhatsApp® and Zoom® applications that are now massively being used, has resulted in many TELCO services becoming obsolete. This phenomenon occurs because OTT is pragmatically able to substitute similar services. Reflecting on the capabilities of connectivity and coverage, TELCO needs to create a new market by paying special attention to smart cities that are constructed from massive devices with internet connections. The current TELCO operational business model is based on human customers, whereas smart cities are a multi-service digital (non-human) city council, so a new business process is required to manage smart city (non-human) customers. This research presents the transformation of business processes in the customer domain in the complex systems operations of a TELCO company. The research novelty is the business process reengineering (BPR) method combined with soft systems methodology (SSM) and enterprise knowledge development (EKD) to define, map, model, and project a new business process. The result of this research is an enterprise architecture (EA) "request to answer" model for managing new smart city customers. In the end, it is expected to increase TELCO’s competitiveness.}, keywords = {}, pubstate = {published}, tppubtype = {article} } TELCO is an information communications technology (ICT) company that has a typically high cost, especially for the provisioning and maintenance of its infrastructure. The emergence of over-the-top (OTT) media services, which do not make expensive infrastructure investments, such as the WhatsApp® and Zoom® applications that are now massively being used, has resulted in many TELCO services becoming obsolete. This phenomenon occurs because OTT is pragmatically able to substitute similar services. Reflecting on the capabilities of connectivity and coverage, TELCO needs to create a new market by paying special attention to smart cities that are constructed from massive devices with internet connections. The current TELCO operational business model is based on human customers, whereas smart cities are a multi-service digital (non-human) city council, so a new business process is required to manage smart city (non-human) customers. This research presents the transformation of business processes in the customer domain in the complex systems operations of a TELCO company. The research novelty is the business process reengineering (BPR) method combined with soft systems methodology (SSM) and enterprise knowledge development (EKD) to define, map, model, and project a new business process. The result of this research is an enterprise architecture (EA) "request to answer" model for managing new smart city customers. In the end, it is expected to increase TELCO’s competitiveness. |
Uly Amrina Akhmad Hidayatno, Teuku Yuri Zagloel M Mapping challenges in developing sustainable small and medium industries: Integrating lean and green principles Journal Article Journal of Industrial Engineering and Management, 14 (2), pp. 311-328, 2021, ISSN: 2013-8423. @article{Amrina2021, title = {Mapping challenges in developing sustainable small and medium industries: Integrating lean and green principles}, author = {Uly Amrina, Akhmad Hidayatno, Teuku Yuri M. Zagloel}, url = {https://doi.org/10.3926/jiem.3041}, doi = {10.3926/jiem.3041}, issn = {2013-8423}, year = {2021}, date = {2021-01-01}, journal = {Journal of Industrial Engineering and Management}, volume = {14}, number = {2}, pages = {311-328}, abstract = {Purpose: This study explores the complexity of developing a sustainable small and medium industry (SMI) through a conceptual model that integrates lean and green manufacturing principles. Design/methodology/approach: This model includes a systems diagram that illustrates the structure of the interconnected variable and the interrelationships between goals, inputs, processes, and outputs required to achieve a system’s goals by using both lean and green principles. The diagram uses causal loop diagram logic from systems thinking based on the literature review, multi-actor analysis, observations, and focus group discussions. Findings: Combining the efficiency benefits from lean principles and better environmental effectiveness from green principles would help to achieve sustainability. A conceptual structural map could support the integration processes by illustrating the variables, multi-actors, and multi-indicators required to achieve sustainability. Research limitations/implications: The conceptual model highlights the necessary linkage between lean and green practices that would help SMI researchers and decision-makers to navigate their activities in achieving sustainability. Originality/value: There is currently little discussion at the SMI level from a multi-actor perspective. The systems diagram offers a comprehensive picture that is the basis for further discussion of the complexity of integrating lean and green principles.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Purpose: This study explores the complexity of developing a sustainable small and medium industry (SMI) through a conceptual model that integrates lean and green manufacturing principles. Design/methodology/approach: This model includes a systems diagram that illustrates the structure of the interconnected variable and the interrelationships between goals, inputs, processes, and outputs required to achieve a system’s goals by using both lean and green principles. The diagram uses causal loop diagram logic from systems thinking based on the literature review, multi-actor analysis, observations, and focus group discussions. Findings: Combining the efficiency benefits from lean principles and better environmental effectiveness from green principles would help to achieve sustainability. A conceptual structural map could support the integration processes by illustrating the variables, multi-actors, and multi-indicators required to achieve sustainability. Research limitations/implications: The conceptual model highlights the necessary linkage between lean and green practices that would help SMI researchers and decision-makers to navigate their activities in achieving sustainability. Originality/value: There is currently little discussion at the SMI level from a multi-actor perspective. The systems diagram offers a comprehensive picture that is the basis for further discussion of the complexity of integrating lean and green principles. |
Riza Ramadhanty, Yuli Evitha PENGARUH PENGENDALIAN PERSEDIAAN BAHAN BAKU KAIN TERHADAP PROSES PRODUKSI PADA PT. RATNA DEWI TUNGGAL ABADI Journal Article JURNAL MAHASISWA MANAJEMEN LOGISTIK, 1 (1), pp. 29-37, 2021, ISSN: 2621-6442. @article{Ramadhanty2021, title = {PENGARUH PENGENDALIAN PERSEDIAAN BAHAN BAKU KAIN TERHADAP PROSES PRODUKSI PADA PT. RATNA DEWI TUNGGAL ABADI}, author = {Riza Ramadhanty, Yuli Evitha}, url = {https://ojs.stiami.ac.id/index.php/JUMATIK/article/view/1254/651}, issn = { 2621-6442}, year = {2021}, date = {2021-01-01}, journal = {JURNAL MAHASISWA MANAJEMEN LOGISTIK}, volume = {1}, number = {1}, pages = { 29-37}, abstract = {The study aimed to investigate the effect of grey (greige) fabric raw material supply control on production process at PT Ratna Dewi Tunggal Abadi. The population of the study was all of the employees of production and warehouse division. The number of research samples was 55 people with non-probability sampling technique, namely saturated sampling. Saturated sampling is a sampling technique by using all members of the population as the samples. The independent variable of the study was Fabric Raw Material Supply Control and the dependent variable was Production Process. The result of simple regression test obtained Y = 5.073 + 0.555X meaning that the value of 5.073 and 0.555 stating that the effect of variable X on Y was positive. Based on regression analysis (t-test), it was found that tcalculate > ttable, namely 1.765 > 1.674 with significant value < 0.05, namely 0.000, meaning that fabric raw material supply control had effect on production process at PT Ratna Dewi Tunggal Abadi. The determination coefficient (R2) had value of 0.423 that showed that the value of the effect of fabric raw material supply control variable on production process variable was 42.3%, while the remaining 57.7% was affected by other objects.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The study aimed to investigate the effect of grey (greige) fabric raw material supply control on production process at PT Ratna Dewi Tunggal Abadi. The population of the study was all of the employees of production and warehouse division. The number of research samples was 55 people with non-probability sampling technique, namely saturated sampling. Saturated sampling is a sampling technique by using all members of the population as the samples. The independent variable of the study was Fabric Raw Material Supply Control and the dependent variable was Production Process. The result of simple regression test obtained Y = 5.073 + 0.555X meaning that the value of 5.073 and 0.555 stating that the effect of variable X on Y was positive. Based on regression analysis (t-test), it was found that tcalculate > ttable, namely 1.765 > 1.674 with significant value < 0.05, namely 0.000, meaning that fabric raw material supply control had effect on production process at PT Ratna Dewi Tunggal Abadi. The determination coefficient (R2) had value of 0.423 that showed that the value of the effect of fabric raw material supply control variable on production process variable was 42.3%, while the remaining 57.7% was affected by other objects. |
2020 |
Susi Kardina Ria, Elisa Kusrini PERANCANGAN KEY PERFORMANCE INDICATOR (KPI) MENGGUNAKAN METODE CUSTOMIZED BALANCE SCORECARD (BSC) DAN SUPPLY CHAIN OPERATION REFERENCES (SCOR) PADA SEKTOR INDUSTRI MINYAK DAN GAS Journal Article Jurnal Rekavasi, 8 (2), pp. 66-76, 2020. @article{Ria2020, title = {PERANCANGAN KEY PERFORMANCE INDICATOR (KPI) MENGGUNAKAN METODE CUSTOMIZED BALANCE SCORECARD (BSC) DAN SUPPLY CHAIN OPERATION REFERENCES (SCOR) PADA SEKTOR INDUSTRI MINYAK DAN GAS}, author = {Susi Kardina Ria, Elisa Kusrini}, year = {2020}, date = {2020-12-30}, journal = {Jurnal Rekavasi}, volume = {8}, number = {2}, pages = {66-76}, abstract = {Penelitian bertujuan untuk merancangan key performance indicator untuk perusahaan ekplorasi minyak dan gas dengan mengambil studi kasus pada perusahaan minyak yang berlokasi di Langgak Oil Field, Riau dan termasuk dalam Kontraktor Kontrak Kerja Sama (KKKS) yang telah terdaftar pada SKK Migas. Pada kondisi tingkat permintaan produk utama Sumatra Crude Oil yang tinggi, manajemen atau pengelolaan proses bisnis khusus nya kinerja rantai pasok yang dijalankan harus memiliki performansi yang baik. Sebelum dilakukan penelitian ini, kinerja perusahaan didasarkan pada Key Performance Indicator (KPI) arahan SKK Migas dan perusahaan belum memiliki atribut pengukuran kinerja performansi yang baku secara internal perusahaan khususnya departemen Supply Chain Management (SCM). Pada penelitian ini, identifikasi atribut pengukuran KPI dilakukan menggunakan metode Balanced Score Card (BSC) dan Supply Chain Operation Reference (SCOR) Model 12.0. Perspektif BSC yang digunakan adalah financial, customer, learning and growth. Sedangkan perspektif internal business process dihitung menggunakan metode SCOR 12.0 berdasarkan atribut process (plan, source, deliver), dan performance (reliability, responsiveness, agility, cost, dan asset management). Hasil yang didapatkan pada penelitian ini adalah nilai kinerja performansi yang dimiliki perusahaan XYZ adalah sebesar 56,83%. Terdapat perbedaan nilai kinerja antara KPI arahan SKK Migas dengan model yang diusulkan sebesar 83,04%. Perbedaan tersebut dijadikan saran penelitian selanjutnya, terkait batasan metrik pengukuran yang digunakan. Perbaikan juga dapat dilakukan berdasarkan nilai terendah yang dimiliki, yaitu pada cost savings sebesar 16,2%.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Penelitian bertujuan untuk merancangan key performance indicator untuk perusahaan ekplorasi minyak dan gas dengan mengambil studi kasus pada perusahaan minyak yang berlokasi di Langgak Oil Field, Riau dan termasuk dalam Kontraktor Kontrak Kerja Sama (KKKS) yang telah terdaftar pada SKK Migas. Pada kondisi tingkat permintaan produk utama Sumatra Crude Oil yang tinggi, manajemen atau pengelolaan proses bisnis khusus nya kinerja rantai pasok yang dijalankan harus memiliki performansi yang baik. Sebelum dilakukan penelitian ini, kinerja perusahaan didasarkan pada Key Performance Indicator (KPI) arahan SKK Migas dan perusahaan belum memiliki atribut pengukuran kinerja performansi yang baku secara internal perusahaan khususnya departemen Supply Chain Management (SCM). Pada penelitian ini, identifikasi atribut pengukuran KPI dilakukan menggunakan metode Balanced Score Card (BSC) dan Supply Chain Operation Reference (SCOR) Model 12.0. Perspektif BSC yang digunakan adalah financial, customer, learning and growth. Sedangkan perspektif internal business process dihitung menggunakan metode SCOR 12.0 berdasarkan atribut process (plan, source, deliver), dan performance (reliability, responsiveness, agility, cost, dan asset management). Hasil yang didapatkan pada penelitian ini adalah nilai kinerja performansi yang dimiliki perusahaan XYZ adalah sebesar 56,83%. Terdapat perbedaan nilai kinerja antara KPI arahan SKK Migas dengan model yang diusulkan sebesar 83,04%. Perbedaan tersebut dijadikan saran penelitian selanjutnya, terkait batasan metrik pengukuran yang digunakan. Perbaikan juga dapat dilakukan berdasarkan nilai terendah yang dimiliki, yaitu pada cost savings sebesar 16,2%. |
Nana Sugiono Juhary Ali, Suci Miranda International Journal of Integrated Engineering, 12 (7), pp. 268-279, 2020. @article{Sugiono2020, title = {The effect of employee, management, working environment, and safety culture on occupational healthy and safety performance: A case study in an oil and gas company in Indonesia}, author = {Nana Sugiono, Juhary Ali, Suci Miranda}, url = {https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/3755}, year = {2020}, date = {2020-12-01}, journal = {International Journal of Integrated Engineering}, volume = {12}, number = {7}, pages = {268-279}, abstract = {The level of workplace accidents, particularly in large companies such as the oil and gas industry, is crucial to be overcome. Encouragement of occupational health and safety (OHS) is one priority of strategies that must be carried out in the implementation of work in the workplace. This study aims to determine the impact of employee, management, work environment, and safety culture on occupational health and safety (OHS) performance. This paper also discusses the influence of moderating safety culture on the independent variables towards the achievement of safety performance. Using questionnaires to 220 respondents, findings indicate that the safety performance is significantly affected by employee, management, working environment, and safety culture. There are 19 attributes of 4 variables evaluated. All attributes have significantly influenced the OHS performance but 4 attributes of management variables. They are pre and post task safety review, safety work procedure, incident investigation, and detection and monitoring. The research provides the empirical evidence on the significance of Safety Culture as moderator. The safety culture moderates the positive relationship between management and OHS performance as well as working environment and OHS performance. Conversely, safety culture does not influence the positive relationship between employee and the OHS.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The level of workplace accidents, particularly in large companies such as the oil and gas industry, is crucial to be overcome. Encouragement of occupational health and safety (OHS) is one priority of strategies that must be carried out in the implementation of work in the workplace. This study aims to determine the impact of employee, management, work environment, and safety culture on occupational health and safety (OHS) performance. This paper also discusses the influence of moderating safety culture on the independent variables towards the achievement of safety performance. Using questionnaires to 220 respondents, findings indicate that the safety performance is significantly affected by employee, management, working environment, and safety culture. There are 19 attributes of 4 variables evaluated. All attributes have significantly influenced the OHS performance but 4 attributes of management variables. They are pre and post task safety review, safety work procedure, incident investigation, and detection and monitoring. The research provides the empirical evidence on the significance of Safety Culture as moderator. The safety culture moderates the positive relationship between management and OHS performance as well as working environment and OHS performance. Conversely, safety culture does not influence the positive relationship between employee and the OHS. |
Jeehad Muhammad Diah Rahmanasari, Joshua Vicky Wahyu Ani Maulidiyah Wahyudi Sutopo Yuniaristanto Yuniaristanto Jurnal INTECH Teknik Industri Universitas Serang Raya, 6 (2), pp. 99-106, 2020. @article{Muhammad2020, title = {Pemilihan Supplier Biji Plastik dengan Metode Analitycal Hierarchy Process (AHP) dan Technique for Order Preference by Similarity to Ideal Solution (TOPSIS)}, author = {Jeehad Muhammad, Diah Rahmanasari, Joshua Vicky, Wahyu Ani Maulidiyah, Wahyudi Sutopo, Yuniaristanto Yuniaristanto}, url = {https://doi.org/10.30656/intech.v6i2.2418}, doi = {10.30656}, year = {2020}, date = {2020-12-01}, journal = {Jurnal INTECH Teknik Industri Universitas Serang Raya}, volume = {6}, number = {2}, pages = {99-106}, abstract = {Perusahaan perlu mengevaluasi kinerja supplier untuk mendapatkan supplier masuk sesuai dengan kriteria perusahaan. Permasalahan pada PT. Wonorejo Makmur Abadi adalah belum adanya kriteria dan standar yang tepat untuk ditetapkan dalam pemilihan supplier sehingga perusahaan tidak adanya evaluasi kinerja supplier. Tujuan dari penelitian ini adalah untuk mengetahui bobot nilai dari setiap kriteria yang digunakan dalam pengambilan keputusan pemilihan alternatif supplier terbaik di PT “Wonorejo Makmur Abadi”. Kriteria yang digunakan ada tujuh, antara lain: Harga pembelian, kualitas, waktu tenggang pembayaran, ketepatan pengiriman, kemampuan pemenuhan terhadap jumlah pemesanan, jarak supplier, dan pelayanan. Untuk mendapatkan data yang lengkap, peneliti menggunakan metode berupa wawancara dan pengisian kuesioner. Metode yang digunakan dalam pengolahan data pada penelitian ini yaitu metode AHP dan TOPSIS. Berdasarkan pengolahan data menggunakan metode AHP dihasilkan bobot dengan kriteria tertinggi yaitu pada harga pembelian, dilanjutkan secara berturut-turut yaitu kriteria kualitas, waktu tenggang pembayar, ketepatan pengiriman, kemampuan pemenuhan terhadap jumlah pemesanan, jarak supplier, dan pelayanan. Kemudian untuk pengolahan data menggunakan TOPSIS dapat diketahui bahwa supplier Surabaya merupakan supplier yang paling potensial. Prioritas alternative selanjutnya berdasarkan rangking secara berturut-turut yaitu, Supplier Semarang, Supplier Solo, dan Supplier Bandung.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Perusahaan perlu mengevaluasi kinerja supplier untuk mendapatkan supplier masuk sesuai dengan kriteria perusahaan. Permasalahan pada PT. Wonorejo Makmur Abadi adalah belum adanya kriteria dan standar yang tepat untuk ditetapkan dalam pemilihan supplier sehingga perusahaan tidak adanya evaluasi kinerja supplier. Tujuan dari penelitian ini adalah untuk mengetahui bobot nilai dari setiap kriteria yang digunakan dalam pengambilan keputusan pemilihan alternatif supplier terbaik di PT “Wonorejo Makmur Abadi”. Kriteria yang digunakan ada tujuh, antara lain: Harga pembelian, kualitas, waktu tenggang pembayaran, ketepatan pengiriman, kemampuan pemenuhan terhadap jumlah pemesanan, jarak supplier, dan pelayanan. Untuk mendapatkan data yang lengkap, peneliti menggunakan metode berupa wawancara dan pengisian kuesioner. Metode yang digunakan dalam pengolahan data pada penelitian ini yaitu metode AHP dan TOPSIS. Berdasarkan pengolahan data menggunakan metode AHP dihasilkan bobot dengan kriteria tertinggi yaitu pada harga pembelian, dilanjutkan secara berturut-turut yaitu kriteria kualitas, waktu tenggang pembayar, ketepatan pengiriman, kemampuan pemenuhan terhadap jumlah pemesanan, jarak supplier, dan pelayanan. Kemudian untuk pengolahan data menggunakan TOPSIS dapat diketahui bahwa supplier Surabaya merupakan supplier yang paling potensial. Prioritas alternative selanjutnya berdasarkan rangking secara berturut-turut yaitu, Supplier Semarang, Supplier Solo, dan Supplier Bandung. |
Asep Ridwan Faula Arina, Ardi Permana Peningkatan kualitas dan efisiensi pada proses produksi dunnage menggunakan metode lean six sigma (Studi kasus di PT. XYZ) Journal Article JURNAL SAINS DAN TEKNOLOGI, 16 (2), pp. 186–199, 2020. @article{Ridwan2020, title = {Peningkatan kualitas dan efisiensi pada proses produksi dunnage menggunakan metode lean six sigma (Studi kasus di PT. XYZ)}, author = {Asep Ridwan, Faula Arina, Ardi Permana}, url = {http://dx.doi.org/10.36055/tjst.v16i2.9618}, doi = {10.36055/tjst.v16i2.9618}, year = {2020}, date = {2020-11-30}, journal = {JURNAL SAINS DAN TEKNOLOGI}, volume = {16}, number = {2}, pages = {186–199}, abstract = {PT. XYZ merupakan industri manufaktur dalam bidang pembuatan dunnage. Dalam proses produksinya, masih ditemukan pemborosan yang mengakibatkan cacatan pada produk dunnage. Hal ini dapat dilihat pada pengiriman dunnage tahun 2020 memiliki presentase cacat produk sebesar 12%-15% dari jumlah produksi. Penelitian ini bertujuan menentukan pemborosan yang terjadi pada proses produksi dunnage, mengetahui nilai sigma, dan meminimalisir cacat dan pemborosan serta mengurangi kegiatan yang tidak memberikan nilai tambah. Penelitian ini menggunakan metode lean six sigma. Penelitian dimulai dengan mengidentifikasi pemborosan yang terjadi pada proses produksi dunnage dengan pemborosan paling dominan yaitu defect. Tingkat kemampuan sigma yang didapat dalam proses produksi dunnage di PT. XYZ sebesar 3,22 dengan nilai DPMO 46231,89 dalam kategori baik untuk rata-rata Industri Indonesia. Selanjutnya dilakukan analisis untuk mengidentifikasi penyebab terjadinya defect dengan fishbone diagram dan 5 why. Usulan perbaikan menggunakan metode 5W+1H, pendekatan 5S, dan pembuatan tanda bantu dan tabel form dalam pendekatan 5S. Dengan rancangan process activity mapping (PAM) dan value stream mapping, efisiensi proses produksi dunnage bisa meningkat dari 96,85% menjadi 97,75%.}, keywords = {}, pubstate = {published}, tppubtype = {article} } PT. XYZ merupakan industri manufaktur dalam bidang pembuatan dunnage. Dalam proses produksinya, masih ditemukan pemborosan yang mengakibatkan cacatan pada produk dunnage. Hal ini dapat dilihat pada pengiriman dunnage tahun 2020 memiliki presentase cacat produk sebesar 12%-15% dari jumlah produksi. Penelitian ini bertujuan menentukan pemborosan yang terjadi pada proses produksi dunnage, mengetahui nilai sigma, dan meminimalisir cacat dan pemborosan serta mengurangi kegiatan yang tidak memberikan nilai tambah. Penelitian ini menggunakan metode lean six sigma. Penelitian dimulai dengan mengidentifikasi pemborosan yang terjadi pada proses produksi dunnage dengan pemborosan paling dominan yaitu defect. Tingkat kemampuan sigma yang didapat dalam proses produksi dunnage di PT. XYZ sebesar 3,22 dengan nilai DPMO 46231,89 dalam kategori baik untuk rata-rata Industri Indonesia. Selanjutnya dilakukan analisis untuk mengidentifikasi penyebab terjadinya defect dengan fishbone diagram dan 5 why. Usulan perbaikan menggunakan metode 5W+1H, pendekatan 5S, dan pembuatan tanda bantu dan tabel form dalam pendekatan 5S. Dengan rancangan process activity mapping (PAM) dan value stream mapping, efisiensi proses produksi dunnage bisa meningkat dari 96,85% menjadi 97,75%. |
Muhammad Hisjam Nancy Octyajati, Wahyudi Sutopo Ahad Ali A Decision Support System to Achieve Self-Sufficiency of Soybean (Case: Central Java Province, Indonesia) Journal Article Jurnal Optimasi Sistem Industri, 19 (2), pp. 144-156, 2020. @article{Hisjam2020, title = {A Decision Support System to Achieve Self-Sufficiency of Soybean (Case: Central Java Province, Indonesia)}, author = {Muhammad Hisjam, Nancy Octyajati, Wahyudi Sutopo, Ahad Ali}, url = {https://doi.org/10.25077/josi.v19.n2.p144-156.2020}, doi = {10.25077}, year = {2020}, date = {2020-11-20}, journal = {Jurnal Optimasi Sistem Industri}, volume = {19}, number = {2}, pages = {144-156}, abstract = {Soybean self-sufficiency in Central Java Province is a problem that is difficult to realize at this time. As an important commodity, self-sufficiency becomes a serious concern for the government. Supply chain management of soybean is related to the integration of supply, demand, and distribution of soybean. The characteristics of entities involved in the soybean supply chain are complex, dynamic, and probabilistic that make the problem cannot be solved using an analytical model and it becomes too risky for trial and error. A suitable tool is using a simulation model. This paper deals with developing a Decision Support System (DSS) using a simulation model that will assist the government in adopting policies in order to achieve self-sufficiency of soybean and the improvement of farmer's welfare. DSS will help decision-makers to try various scenarios of policy in an easy way. The method was started with developing model components, then decision components, and next creating user interfaces. The simulation and system modeling is created by using Powersim software with the intent to obtain the simulation and single document interface (SDI) of the supply chain model. The result shows that land expansion policy is a top priority for realizing food self-sufficiency while increasing productivity and reducing costs of agricultural activities are the main priorities for improving the welfare of farmers.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Soybean self-sufficiency in Central Java Province is a problem that is difficult to realize at this time. As an important commodity, self-sufficiency becomes a serious concern for the government. Supply chain management of soybean is related to the integration of supply, demand, and distribution of soybean. The characteristics of entities involved in the soybean supply chain are complex, dynamic, and probabilistic that make the problem cannot be solved using an analytical model and it becomes too risky for trial and error. A suitable tool is using a simulation model. This paper deals with developing a Decision Support System (DSS) using a simulation model that will assist the government in adopting policies in order to achieve self-sufficiency of soybean and the improvement of farmer's welfare. DSS will help decision-makers to try various scenarios of policy in an easy way. The method was started with developing model components, then decision components, and next creating user interfaces. The simulation and system modeling is created by using Powersim software with the intent to obtain the simulation and single document interface (SDI) of the supply chain model. The result shows that land expansion policy is a top priority for realizing food self-sufficiency while increasing productivity and reducing costs of agricultural activities are the main priorities for improving the welfare of farmers. |
Asep Ridwan, Ahmad Aji Abadi OPTIMASI PEMILIHAN SUPPLIER BAHAN BAKU BATUBARA DENGAN METODE GOAL PROGRAMMING (Studi Kasus di PT. ABC) Journal Article Journal Industrial Services, 6 (1), 2020, ISSN: 2461-0631. @article{Ridwan2020b, title = {OPTIMASI PEMILIHAN SUPPLIER BAHAN BAKU BATUBARA DENGAN METODE GOAL PROGRAMMING (Studi Kasus di PT. ABC)}, author = {Asep Ridwan, Ahmad Aji Abadi}, url = {http://dx.doi.org/10.36055/jiss.v6i1.9469}, doi = {10.36055/jiss.v6i1.9469}, issn = {2461-0631}, year = {2020}, date = {2020-11-09}, journal = {Journal Industrial Services}, volume = {6}, number = {1}, abstract = {PT. ABC merupakan salah satu perusahaan penyedia listrik yang mengoperasikan mesin pembangkit listrik menggunakan tenaga uap dengan batubara sebagai bahan baku yang terdiri dari tujuh unit dengan berkapasitas 3400 MegaWatt. Dalam memenuhi kebutuhan bahan bakunya yakni batubara, PT. ABC perlu memilih tempat atau supplier penyedia batubara tersebut agar kebutuhan bahan baku dapat terpenuhi dengan optimal. Penelitian ini bertujuan untuk mengoptimasikan pemilihan supplier- supplier batubara dalam pemesanan batubara sehingga terpenuhinya kebutuhan batubara di Bulan Januari 2020 secara optimal. Metode yang digunakan yaitu metode Goal Programming dengan langkah awal membuat model simulasi yaitu menentukan fungsi tujuan, batasan atau constrain. Fungsi tujuannya yaitu menentukan jumlah batubara yang dipesan terhadap supplier yang ada dengan meminimasi biaya, waktu, dan memaksimasi nilai kalor yang dihasilkan, setelah dibuat model simulasinya kemudian dilakukan penyelesaian menggunakan software LINGO 18.0. Hasil yang diperoleh yaitu pemesanan batubara yang optimal pada supplier PT.1 sebesar 550.000 MT; PT.2 sebesar 90.000 MT; PT.3 sebesar 80.000 MT; PT.4 sebesar 80.000MT; PT.5 sebesar 200.000; dan PT.8 sebesar 100.000 MT. Minimasi biaya yang dihasilkan sebesar 56071.900 USD; nilai kalor sebesar 488,182 Kkal/MT; minimasi waktu bongkar sebesar 1824,833 jam; minimasi waktu pengiriman yang diperlukan sebesar 152 jam; dan total biaya sewa yang dibutuhkan yaitu sebesar 72705 USD.}, keywords = {}, pubstate = {published}, tppubtype = {article} } PT. ABC merupakan salah satu perusahaan penyedia listrik yang mengoperasikan mesin pembangkit listrik menggunakan tenaga uap dengan batubara sebagai bahan baku yang terdiri dari tujuh unit dengan berkapasitas 3400 MegaWatt. Dalam memenuhi kebutuhan bahan bakunya yakni batubara, PT. ABC perlu memilih tempat atau supplier penyedia batubara tersebut agar kebutuhan bahan baku dapat terpenuhi dengan optimal. Penelitian ini bertujuan untuk mengoptimasikan pemilihan supplier- supplier batubara dalam pemesanan batubara sehingga terpenuhinya kebutuhan batubara di Bulan Januari 2020 secara optimal. Metode yang digunakan yaitu metode Goal Programming dengan langkah awal membuat model simulasi yaitu menentukan fungsi tujuan, batasan atau constrain. Fungsi tujuannya yaitu menentukan jumlah batubara yang dipesan terhadap supplier yang ada dengan meminimasi biaya, waktu, dan memaksimasi nilai kalor yang dihasilkan, setelah dibuat model simulasinya kemudian dilakukan penyelesaian menggunakan software LINGO 18.0. Hasil yang diperoleh yaitu pemesanan batubara yang optimal pada supplier PT.1 sebesar 550.000 MT; PT.2 sebesar 90.000 MT; PT.3 sebesar 80.000 MT; PT.4 sebesar 80.000MT; PT.5 sebesar 200.000; dan PT.8 sebesar 100.000 MT. Minimasi biaya yang dihasilkan sebesar 56071.900 USD; nilai kalor sebesar 488,182 Kkal/MT; minimasi waktu bongkar sebesar 1824,833 jam; minimasi waktu pengiriman yang diperlukan sebesar 152 jam; dan total biaya sewa yang dibutuhkan yaitu sebesar 72705 USD. |
Nanda Ruswandi Iwan Sukarno Sukarno, Harummi Sekar Amarilies Sekar Amarilies Rachmad Inca Liperda Welano Kharisma Mega Rizkah Sudiar Raina Fridayanti M Perancangan Fasilitas Gudang Dalam Sistem Logistik (Pendekatan Berbasis Laboratorium) Journal Article Jurnal Logistik Indonesia, 4 (2), pp. 94-106, 2020. @article{Ruswandi2020, title = {Perancangan Fasilitas Gudang Dalam Sistem Logistik (Pendekatan Berbasis Laboratorium)}, author = {Nanda Ruswandi, Iwan Sukarno Sukarno, Harummi Sekar Amarilies Sekar Amarilies, Rachmad Inca Liperda, M Welano Kharisma, Mega Rizkah Sudiar, Raina Fridayanti}, url = {https://doi.org/10.31334/logistik.v4i2.1111.g596}, doi = {10.31334}, year = {2020}, date = {2020-10-31}, journal = {Jurnal Logistik Indonesia}, volume = {4}, number = {2}, pages = {94-106}, abstract = {All of automotive companies around the world are aggressively producing large number of motorized vehicles, especially cars. A car is a transportation mode that is widely used by the middle and upper class. The large number of cars uses cannot be separated from the needs for maintenance of the vehicle itself. Lubricant is the core of engine maintenance on vehicles. Therefore, the demand for lubricants continues to increase due to the increasing demand for cars. Bandar Lampung, for the example, is increasing in the term of the city’s population that is affecting its number of people who own cars. This phenomenon caused the demand for lubricants to increase significantly, so that many lubricant distributors were overwhelmed by this demand. Seeing this opportunity, the RWM Logistics, which is a new Third Party Logistics (3PL) company with value added service is lubricant packaging, has a plan to build a lubricant storage facility in Bandar Lampung. In designing the facility, the company has to decide the layout design, area requirements, material handling planning, and the operational costs. The development of this facility is expected to help the company to meet the demand of lubricant products that were not covered by other distributors.}, keywords = {}, pubstate = {published}, tppubtype = {article} } All of automotive companies around the world are aggressively producing large number of motorized vehicles, especially cars. A car is a transportation mode that is widely used by the middle and upper class. The large number of cars uses cannot be separated from the needs for maintenance of the vehicle itself. Lubricant is the core of engine maintenance on vehicles. Therefore, the demand for lubricants continues to increase due to the increasing demand for cars. Bandar Lampung, for the example, is increasing in the term of the city’s population that is affecting its number of people who own cars. This phenomenon caused the demand for lubricants to increase significantly, so that many lubricant distributors were overwhelmed by this demand. Seeing this opportunity, the RWM Logistics, which is a new Third Party Logistics (3PL) company with value added service is lubricant packaging, has a plan to build a lubricant storage facility in Bandar Lampung. In designing the facility, the company has to decide the layout design, area requirements, material handling planning, and the operational costs. The development of this facility is expected to help the company to meet the demand of lubricant products that were not covered by other distributors. |
Angel Olivia Benedikta, Iwan Sukarno Evaluasi Proses Pengadaan Barang Menggunakan Metode Value Stream Mapping pada Perusahaan Minyak dan Gas Journal Article Jurnal Logistik Indonesia, 4 (1), pp. 20-31, 2020. @article{Benedikta2020, title = {Evaluasi Proses Pengadaan Barang Menggunakan Metode Value Stream Mapping pada Perusahaan Minyak dan Gas}, author = {Angel Olivia Benedikta, Iwan Sukarno}, url = {https://doi.org/10.31334/logistik.v4i1.870.g493}, doi = {10.31334}, year = {2020}, date = {2020-10-29}, journal = {Jurnal Logistik Indonesia}, volume = {4}, number = {1}, pages = {20-31}, abstract = {Upstream oil and gas industry is one industry that has an important role in the economic movement in Indonesia. Products produced by this industry, namely oil and gas, are one of the largest energy sources in Indonesia. High demand must be supported by rapid exploration and production activities. This activity must be supported by other divisions, one of which is the procurement of goods and services. The main problem currently faced by companies is the length of the procurement process causing the duration of the procurement process to be long. There are 2 factors that cause the duration of procurement duration, namely technical bid evaluation by the user and pre-qualification activities. This research uses quantitative methods by calculating process cycle efficiency and value stream mapping. The results of this study show using the offline method, the resulting process efficiency cycle is 60.59% and the duration of procurement is 67 days. Using the combination of online and offline methods, the process cycle efficiency increased to 73.06% with a procurement duration of 59 days. This shows that the online method can reduce the duration of procurement by up to 8 days with a process cycle efficiency increasing by 12.47%. However, both methods have their advantages and disadvantages so it is proposed that the two methods can be combined to produce less time.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Upstream oil and gas industry is one industry that has an important role in the economic movement in Indonesia. Products produced by this industry, namely oil and gas, are one of the largest energy sources in Indonesia. High demand must be supported by rapid exploration and production activities. This activity must be supported by other divisions, one of which is the procurement of goods and services. The main problem currently faced by companies is the length of the procurement process causing the duration of the procurement process to be long. There are 2 factors that cause the duration of procurement duration, namely technical bid evaluation by the user and pre-qualification activities. This research uses quantitative methods by calculating process cycle efficiency and value stream mapping. The results of this study show using the offline method, the resulting process efficiency cycle is 60.59% and the duration of procurement is 67 days. Using the combination of online and offline methods, the process cycle efficiency increased to 73.06% with a procurement duration of 59 days. This shows that the online method can reduce the duration of procurement by up to 8 days with a process cycle efficiency increasing by 12.47%. However, both methods have their advantages and disadvantages so it is proposed that the two methods can be combined to produce less time. |
Danang Parikesit Deni Prasetio Nugroho, Dewanti Hengki Purwoto Kuncoro Harto Widodo Pramono Hadi Sa’duddin Said Basalim Yandra Rahadian Perdana M Logistik Perkotaan di Indonesia Book UGM Press, 2020, ISBN: 978-602-386-363-1. @book{Parikesit2020, title = {Logistik Perkotaan di Indonesia}, author = {Danang Parikesit, Deni Prasetio Nugroho, Dewanti, Hengki Purwoto, Kuncoro Harto Widodo, M. Pramono Hadi, Sa’duddin, Said Basalim, Yandra Rahadian Perdana}, editor = {A. S Sudjatna}, url = {https://play.google.com/store/books/details?id=jWDrDwAAQBAJ&source=gbs_api}, isbn = {978-602-386-363-1}, year = {2020}, date = {2020-10-21}, publisher = {UGM Press}, abstract = {City logistics terdiri atas dua kata, city dan logistics. Logistics berasal dari bahasa Latin logisticus yang berarti ilmu komputasi dan kalkulasi. Pada zaman dahulu istilah ini lebih banyak berhubungan dengan seni pergerakan tentara dan suplai makanan serta senjata di medan perang. Sekarang, logistik telah memiliki makna lebih luas dan digunakan dalam bidang bisnis untuk pergerakan bahan mentah dari supplier ke manufaktur dan sebagai barang jadi kepada konsumen. Untuk lebih memahami apa itu transportasi barang perkotaan yang selanjutnya dalam buku ini disebut dengan logistik perkotaan, dapat dilihat pada bagian kedua dari buku yang secara lebih rinci membahasnya yang meliputi definisi, konsep, serta peran penting dari logistik perkotaan. Dibahas pula secara singkat beberapa definisi dari logistik perkotaan dari beberapa referensi sehingga pemahaman tentang logistik perkotaan dapat menjadi lebih baik. Bab ini menjelaskan pentingnya logistik perkotaan dengan menjabarkan kondisi-kondisi di mana transportasi barang di kawasan perkotaan terjadi tanpa pengaturan yang baik. Bagian ketiga buku berisikan tinjauan kebijakan dan perundang-undangan yang terkait dengan logistik perkotaan. Beberapa peraturan perundang-undangan yang memiliki kaitan erat dibahas pada bab ketiga ini, antara lain Undang-Undang tentang Pos, Jalan, Lalu Lintas dan Angkutan Jalan, Penerbangan, Perkeretaapian, Kepabeanan, Informasi dan Transaksi Elektronik. Beberapa Peraturan Presiden dan Menteri juga dijelaskan dalam bab tersebut. Bagian keempat dari buku ini membahas tentang kondisi logistik perkotaan di lima kota di Indonesia. Meskipun setiap kota memiliki karakteristiknya sendiri-sendiri sehingga tidak ada solusi untuk semua permasalahan dan untuk di semua kota, ada beberapa hal yang perlu dikaji setelah kita mencermati pengalaman kota-kota lain dalam mengembangkan dan memecahkan permasalahan logistik perkotaan. Bagian kelima membahas tentang praktik dari logistik perkotaan pada empat kota di negara Eropa dan Asia. Bagian keenam buku ini berisikan tantangan logistik perkotaan yang secara umum merupakan dampak dari perkembangan dan penerapan teknologi terbaru. Perdagangan elektronik yang mengubah cara perdagangan atau cara membeli barang, sistem pengiriman bersama, penerapan intelligent transport system adalah hal yang sekarang kita hadapi. Tantangan lain pada perbaikan sektor logistik, yaitu pemanfaatan big data, yang meskipun sangat menjanjikan, namun masih ditemui banyak kendala dalam upaya mengaksesnya. Bagian ketujuh menyoroti tentang pilihan kebijakan dalam pengembangan logistik perkotaan, baik secara mikro berupa manajemen dan rekayasa lalu lintas maupun secara makro, yaitu pada tahap perencanaan tata ruang kota, yang melahirkan kebijakan sektor transportasi, logistik, dan lingkungan.}, keywords = {}, pubstate = {published}, tppubtype = {book} } City logistics terdiri atas dua kata, city dan logistics. Logistics berasal dari bahasa Latin logisticus yang berarti ilmu komputasi dan kalkulasi. Pada zaman dahulu istilah ini lebih banyak berhubungan dengan seni pergerakan tentara dan suplai makanan serta senjata di medan perang. Sekarang, logistik telah memiliki makna lebih luas dan digunakan dalam bidang bisnis untuk pergerakan bahan mentah dari supplier ke manufaktur dan sebagai barang jadi kepada konsumen. Untuk lebih memahami apa itu transportasi barang perkotaan yang selanjutnya dalam buku ini disebut dengan logistik perkotaan, dapat dilihat pada bagian kedua dari buku yang secara lebih rinci membahasnya yang meliputi definisi, konsep, serta peran penting dari logistik perkotaan. Dibahas pula secara singkat beberapa definisi dari logistik perkotaan dari beberapa referensi sehingga pemahaman tentang logistik perkotaan dapat menjadi lebih baik. Bab ini menjelaskan pentingnya logistik perkotaan dengan menjabarkan kondisi-kondisi di mana transportasi barang di kawasan perkotaan terjadi tanpa pengaturan yang baik. Bagian ketiga buku berisikan tinjauan kebijakan dan perundang-undangan yang terkait dengan logistik perkotaan. Beberapa peraturan perundang-undangan yang memiliki kaitan erat dibahas pada bab ketiga ini, antara lain Undang-Undang tentang Pos, Jalan, Lalu Lintas dan Angkutan Jalan, Penerbangan, Perkeretaapian, Kepabeanan, Informasi dan Transaksi Elektronik. Beberapa Peraturan Presiden dan Menteri juga dijelaskan dalam bab tersebut. Bagian keempat dari buku ini membahas tentang kondisi logistik perkotaan di lima kota di Indonesia. Meskipun setiap kota memiliki karakteristiknya sendiri-sendiri sehingga tidak ada solusi untuk semua permasalahan dan untuk di semua kota, ada beberapa hal yang perlu dikaji setelah kita mencermati pengalaman kota-kota lain dalam mengembangkan dan memecahkan permasalahan logistik perkotaan. Bagian kelima membahas tentang praktik dari logistik perkotaan pada empat kota di negara Eropa dan Asia. Bagian keenam buku ini berisikan tantangan logistik perkotaan yang secara umum merupakan dampak dari perkembangan dan penerapan teknologi terbaru. Perdagangan elektronik yang mengubah cara perdagangan atau cara membeli barang, sistem pengiriman bersama, penerapan intelligent transport system adalah hal yang sekarang kita hadapi. Tantangan lain pada perbaikan sektor logistik, yaitu pemanfaatan big data, yang meskipun sangat menjanjikan, namun masih ditemui banyak kendala dalam upaya mengaksesnya. Bagian ketujuh menyoroti tentang pilihan kebijakan dalam pengembangan logistik perkotaan, baik secara mikro berupa manajemen dan rekayasa lalu lintas maupun secara makro, yaitu pada tahap perencanaan tata ruang kota, yang melahirkan kebijakan sektor transportasi, logistik, dan lingkungan. |
Tomy Perdana Diah Chaerani, Audi Luqmanul Hakim Achmad Fernianda Rahayu Hermiatin Scenarios for handling the impact of COVID-19 based on food supply network through regional food hubs under uncertainty Journal Article Heliyon, 6 (10), pp. e05128, 2020. @article{tomy2020, title = {Scenarios for handling the impact of COVID-19 based on food supply network through regional food hubs under uncertainty}, author = {Tomy Perdana, Diah Chaerani, Audi Luqmanul Hakim Achmad, Fernianda Rahayu Hermiatin}, url = {https://www.sciencedirect.com/science/article/pii/S240584402031971X}, doi = {10.1016/j.heliyon.2020.e05128}, year = {2020}, date = {2020-09-30}, journal = {Heliyon}, volume = {6}, number = {10}, pages = {e05128}, abstract = {This paper discusses an optimization model for handling the impact of the COVID-19 pandemic based on food supply network through regional food hubs (RFHs) under uncertainty. To this end, uncertainty is assumed in the demand and production data. During the Pandemic COVID-19 period, uncertainty has increased and the food supply chain system has changed. Thus, a new configuration of the food supply network requires analysis. In this paper, the concept of RFH is introduced to connect producers in rural areas and customers in urban areas. This paper determines the location and capacity of RFHs, the food supply network, the sum of maximum food supplies, and minimum logistics cost. This is done via a Multi-Objective Many-to-Many Location-Routing Problem model. Furthermore, since the conditions of the COVID-19 pandemic is uncertain, robust optimization is employed to handle uncertainties. During the current pandemic, red zones are defined to indicate the severity of the pandemic in a region. In this paper, the numerical experiment is considered for three scenarios: when a region is in large-scale social distancing, partial social distancing, or normal conditions. This social distancing situation is based on the defined red zones. The optimal food supply network is obtained for the three scenarios and the best scenario among the three is identified.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This paper discusses an optimization model for handling the impact of the COVID-19 pandemic based on food supply network through regional food hubs (RFHs) under uncertainty. To this end, uncertainty is assumed in the demand and production data. During the Pandemic COVID-19 period, uncertainty has increased and the food supply chain system has changed. Thus, a new configuration of the food supply network requires analysis. In this paper, the concept of RFH is introduced to connect producers in rural areas and customers in urban areas. This paper determines the location and capacity of RFHs, the food supply network, the sum of maximum food supplies, and minimum logistics cost. This is done via a Multi-Objective Many-to-Many Location-Routing Problem model. Furthermore, since the conditions of the COVID-19 pandemic is uncertain, robust optimization is employed to handle uncertainties. During the current pandemic, red zones are defined to indicate the severity of the pandemic in a region. In this paper, the numerical experiment is considered for three scenarios: when a region is in large-scale social distancing, partial social distancing, or normal conditions. This social distancing situation is based on the defined red zones. The optimal food supply network is obtained for the three scenarios and the best scenario among the three is identified. |
Juang Akbardin Danang Parikesit, Bambang Riyanto Agus Taufik Mulyono Development of Road Freight Transportation Distribution Model Based on Vehicle Transportation Inter Zone Requirement Journal Article Transportation Research Procedia, 48 , pp. 562-573, 2020, ISSN: 2352-1465, (Recent Advances and Emerging Issues in Transport Research – An Editorial Note for the Selected Proceedings of WCTR 2019 Mumbai). @article{Akbardin2020, title = {Development of Road Freight Transportation Distribution Model Based on Vehicle Transportation Inter Zone Requirement}, author = {Juang Akbardin, Danang Parikesit, Bambang Riyanto, Agus Taufik Mulyono}, url = {https://www.sciencedirect.com/science/article/pii/S2352146520304762}, doi = {https://doi.org/10.1016/j.trpro.2020.08.060}, issn = {2352-1465}, year = {2020}, date = {2020-09-15}, journal = {Transportation Research Procedia}, volume = {48}, pages = {562-573}, abstract = {The distribution of road transport goods has the characteristics determined from the commodity and supply chain system of the commodity to be transported. Leading export commodities have an important role in regional economic growth and the drivers of national economic stability. Coffee commodity is one of the main export commodities that have significant economic value in international trade. To support the economic value of better coffee commodities, a more efficient distribution system is needed from the distribution system of coffee commodity production and trade in the coffee commodity production zone to the destination zone. The revenues of coffee commodities are estimated to be based on demographic variables, the condition of road infrastructure and transport vehicles. Production zones of coffee commodity crops have characteristics that develop according to the condition of road infrastructure in the zone. Interactions between production zones use gravity modeling with the loading of transport networks based on the goods traffic in accordance with the dominant characteristics used in transporting the commodities. The development of a freight transportation distribution model with the Breadth-First Search algorithm has the objective to consolidate the interaction of goods transport supply and demand within a zone to determine the efficiency of the traffic load on the road network system. So that the time of coffee commodities distribution will be faster in the destination zone in accordance with the volume of commodity production and the number of available transport vehicles.}, note = {Recent Advances and Emerging Issues in Transport Research – An Editorial Note for the Selected Proceedings of WCTR 2019 Mumbai}, keywords = {}, pubstate = {published}, tppubtype = {article} } The distribution of road transport goods has the characteristics determined from the commodity and supply chain system of the commodity to be transported. Leading export commodities have an important role in regional economic growth and the drivers of national economic stability. Coffee commodity is one of the main export commodities that have significant economic value in international trade. To support the economic value of better coffee commodities, a more efficient distribution system is needed from the distribution system of coffee commodity production and trade in the coffee commodity production zone to the destination zone. The revenues of coffee commodities are estimated to be based on demographic variables, the condition of road infrastructure and transport vehicles. Production zones of coffee commodity crops have characteristics that develop according to the condition of road infrastructure in the zone. Interactions between production zones use gravity modeling with the loading of transport networks based on the goods traffic in accordance with the dominant characteristics used in transporting the commodities. The development of a freight transportation distribution model with the Breadth-First Search algorithm has the objective to consolidate the interaction of goods transport supply and demand within a zone to determine the efficiency of the traffic load on the road network system. So that the time of coffee commodities distribution will be faster in the destination zone in accordance with the volume of commodity production and the number of available transport vehicles. |
Bertha Maya Sopha Sekar Sakti, Ari Carisza Graha Prasetia Marselina Winda Dwiansarinopa & Kevin Cullinane Simulating long-term performance of regional distribution centers in archipelagic logistics systems Journal Article Maritime Economics & Logistics, 22 (3), pp. 1-29, 2020. @article{Bertha2020, title = {Simulating long-term performance of regional distribution centers in archipelagic logistics systems}, author = {Bertha Maya Sopha, Sekar Sakti, Ari Carisza Graha Prasetia, Marselina Winda Dwiansarinopa & Kevin Cullinane }, url = {https://link.springer.com/article/10.1057%2Fs41278-020-00166-3}, doi = {10.1057/s41278-020-00166-3}, year = {2020}, date = {2020-09-14}, journal = {Maritime Economics & Logistics}, volume = {22}, number = {3}, pages = {1-29}, abstract = {Indonesia has reevaluated its archipelagic logistics system to implement a strategic shift from a point-to-point network to a hub-and-spoke network, with a plan to establish seven new regional distribution centers (RDCs). To supplement the previous qualitative assessment of the plan and to potentially justify continuing with its implementation, this paper aims to evaluate the prospective long-term performance of the planned RDCs within a hub-and-spoke (HS) network. The chosen methodology for this analysis is a hybrid of optimization and simulation, using an agent-based modeling and simulation platform that incorporates a geographic information system (GIS) element to provide a realistic geographical context. This constitutes a relatively novel innovation in logistics research. Experiments were developed to estimate the logistics performance of the hub-and-spoke network and planned RDCs, as well as to identify potential problems such as bottlenecks at the RDCs and the relative (in)efficiency of the selected multimodal transport. Transport costs, inventory costs, and the order backlog of RDCs are evaluated based on the average results from 100 replications. Outcomes from the model are validated against empirical data on Indonesia’s logistics costs from the World Bank. Model results indicate that the hub-and-spoke network performs better than the point-to-point network when it comes to transportation costs. Since this is found to be the dominant element of total logistics costs, appropriate modal choice and route optimization are, therefore, critical to reducing logistics costs. The planned RDCs are found to have significant imbalance in their loadings, which is likely to produce bottlenecks. The paper concludes that a planned move to a hub-and spoke system is appropriate and that the planned investment in the RDCs is therefore justified. However, there is a need to streamline the predicted loadings at the RDCs to avoid bottlenecks. Our results suggest that the government should reopen the case and reevaluate the locations and coverage of each RDC. More generically, it is concluded that the application of hybrid optimization and simulation using agent-based modeling and simulation is feasible and the methodological approach adopted herein is generalizable to other archipelagic logistics systems.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Indonesia has reevaluated its archipelagic logistics system to implement a strategic shift from a point-to-point network to a hub-and-spoke network, with a plan to establish seven new regional distribution centers (RDCs). To supplement the previous qualitative assessment of the plan and to potentially justify continuing with its implementation, this paper aims to evaluate the prospective long-term performance of the planned RDCs within a hub-and-spoke (HS) network. The chosen methodology for this analysis is a hybrid of optimization and simulation, using an agent-based modeling and simulation platform that incorporates a geographic information system (GIS) element to provide a realistic geographical context. This constitutes a relatively novel innovation in logistics research. Experiments were developed to estimate the logistics performance of the hub-and-spoke network and planned RDCs, as well as to identify potential problems such as bottlenecks at the RDCs and the relative (in)efficiency of the selected multimodal transport. Transport costs, inventory costs, and the order backlog of RDCs are evaluated based on the average results from 100 replications. Outcomes from the model are validated against empirical data on Indonesia’s logistics costs from the World Bank. Model results indicate that the hub-and-spoke network performs better than the point-to-point network when it comes to transportation costs. Since this is found to be the dominant element of total logistics costs, appropriate modal choice and route optimization are, therefore, critical to reducing logistics costs. The planned RDCs are found to have significant imbalance in their loadings, which is likely to produce bottlenecks. The paper concludes that a planned move to a hub-and spoke system is appropriate and that the planned investment in the RDCs is therefore justified. However, there is a need to streamline the predicted loadings at the RDCs to avoid bottlenecks. Our results suggest that the government should reopen the case and reevaluate the locations and coverage of each RDC. More generically, it is concluded that the application of hybrid optimization and simulation using agent-based modeling and simulation is feasible and the methodological approach adopted herein is generalizable to other archipelagic logistics systems. |
Agus Arifiyanto AR Andi Cakravastia, Bermawi Priyatna Iskandar Multi-criteria spine layout design of a mixed production line considering additional processes required for a new product Journal Article IOP Conference Series: Materials Science and Engineering, 1003 , pp. 012027, 2020. @article{Arifiyanto2020, title = {Multi-criteria spine layout design of a mixed production line considering additional processes required for a new product}, author = {Agus Arifiyanto, AR Andi Cakravastia, Bermawi Priyatna Iskandar}, doi = {10.1088/1757-899X/1003/1/012027}, year = {2020}, date = {2020-09-04}, journal = {IOP Conference Series: Materials Science and Engineering}, volume = {1003}, pages = {012027}, abstract = {This research is based on a case study of an automotive company with a mixed production line system facing on redesigning layout due to an additional new product in the current facilities for cost improvement. The objective of this research is twofold (i) to fulfil space required for additional machines and (ii) to redesign layout which is the best layout for producing the current and new products. Heuristic approach combining construction and improvement algorithms is used for redesigning a manufacturing mixed production line layout, and this results in four alternative layouts. The four alternative layouts are evaluated comprehensively by using MCDM (Multi Criteria Decision Making) and the multi criteria considered are material handling cost, total re-layout cost, takt time process, numbers of shutdown period for relocation and comply with management policy related with safety. The best layout is the layout fulfilling required space, 1,120 m2 for new processes, and meet with the five criteria considered.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This research is based on a case study of an automotive company with a mixed production line system facing on redesigning layout due to an additional new product in the current facilities for cost improvement. The objective of this research is twofold (i) to fulfil space required for additional machines and (ii) to redesign layout which is the best layout for producing the current and new products. Heuristic approach combining construction and improvement algorithms is used for redesigning a manufacturing mixed production line layout, and this results in four alternative layouts. The four alternative layouts are evaluated comprehensively by using MCDM (Multi Criteria Decision Making) and the multi criteria considered are material handling cost, total re-layout cost, takt time process, numbers of shutdown period for relocation and comply with management policy related with safety. The best layout is the layout fulfilling required space, 1,120 m2 for new processes, and meet with the five criteria considered. |
Petrus Setya Murdapa I. Nyoman Pujawan, Putu Dana Karningsih ; Nasution, Arman Hakim Incorporating carbon emissions in queuing models to determine lot sizes and inventory buffers in a supply chain Journal Article International Journal of Intelligent Enterprise, 7 (4), pp. 373-390, 2020, ISSN: 1745-3232. @article{Murdapa2020, title = {Incorporating carbon emissions in queuing models to determine lot sizes and inventory buffers in a supply chain}, author = {Petrus Setya Murdapa, I. Nyoman Pujawan, Putu Dana Karningsih, and Arman Hakim Nasution}, issn = {1745-3232}, year = {2020}, date = {2020-09-01}, journal = {International Journal of Intelligent Enterprise}, volume = {7}, number = {4}, pages = {373-390}, abstract = {In this paper, we present a supply chain model that considers both inventory-related costs and emissions. We used the queueing-based performance model wherein emissions in three stages of supply chain activities are captured. The model was solved by the decomposition approach. For model validation, we have used a discrete event simulation. The computation results show that the two results, i.e., the decomposition approach and the simulation, are very close, indicating the accuracy the approach that we used. Experiments were conducted to test the applicability of the model. The numerical examples show that the change in parameter values is not always responded the same way by the total inventory-related costs and the emission costs, indicating the importance of including these two response variables in the model.}, keywords = {}, pubstate = {published}, tppubtype = {article} } In this paper, we present a supply chain model that considers both inventory-related costs and emissions. We used the queueing-based performance model wherein emissions in three stages of supply chain activities are captured. The model was solved by the decomposition approach. For model validation, we have used a discrete event simulation. The computation results show that the two results, i.e., the decomposition approach and the simulation, are very close, indicating the accuracy the approach that we used. Experiments were conducted to test the applicability of the model. The numerical examples show that the change in parameter values is not always responded the same way by the total inventory-related costs and the emission costs, indicating the importance of including these two response variables in the model. |
Khoiruna Istighfarini, Siti Nurminarsih Simulasi Pengaturan Durasi Traffic Light di Kota Gresik sebagai Alat Bantu Pengambilan Keputusan untuk Meminimumkan Antrian Kendaraan Journal Article Department of Logistic Engineering, 1 (1), 2020. @article{Istighfarini2020, title = {Simulasi Pengaturan Durasi Traffic Light di Kota Gresik sebagai Alat Bantu Pengambilan Keputusan untuk Meminimumkan Antrian Kendaraan}, author = {Khoiruna Istighfarini, Siti Nurminarsih}, url = {https://repository.uisi.ac.id/id/eprint/830}, year = {2020}, date = {2020-08-27}, journal = {Department of Logistic Engineering}, volume = {1}, number = {1}, abstract = {Kemacetan bisa terjadi karena pengaturan durasi lampu lalu lintas yang kurang optimal. Kemacetan di Kota Gresik terjadi di beberapa persimpangan jalan seperti perempatan Barata, perempatan Veteran, dan perempatan Kebomas. Pada penelitian ini solusi yang dapat dilakukan untuk mengurangi kemacetan adalah dengan pengembangan model menggunakan metode simulasi diskrit dengan pengembangan skenario terbaik. Pada penelitian ini didapatkan hasil bahwa simulasi ini dapat menurunkan waiting time dan number waiting. Pada Perempatan Barata dilakukan penambahan durasi lampu hijau sebanyak 3 detik di ruas jalan yang macet dan terjadi penurunan waiting time dan number waiting yang signifikan di sore hari. Jalan Kragan Rembang terjadi penurunan waiting time sebesar 27% dan number waiting menurun sebesar 2 unit, jalan Mayjend Sungkono terjadi penurunan waiting time sebesar 43% dan number waiting menurun sebesar 12 unit, jalan Veteran terjadi penurunan waiting time sebesar 30% detik dan number waiting menurun sebesar 7 unit, dan jalan Kapten Darmo terjadi kenaikan waiting time sebesar 86% dan number waiting naik sebesar 1 unit.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Kemacetan bisa terjadi karena pengaturan durasi lampu lalu lintas yang kurang optimal. Kemacetan di Kota Gresik terjadi di beberapa persimpangan jalan seperti perempatan Barata, perempatan Veteran, dan perempatan Kebomas. Pada penelitian ini solusi yang dapat dilakukan untuk mengurangi kemacetan adalah dengan pengembangan model menggunakan metode simulasi diskrit dengan pengembangan skenario terbaik. Pada penelitian ini didapatkan hasil bahwa simulasi ini dapat menurunkan waiting time dan number waiting. Pada Perempatan Barata dilakukan penambahan durasi lampu hijau sebanyak 3 detik di ruas jalan yang macet dan terjadi penurunan waiting time dan number waiting yang signifikan di sore hari. Jalan Kragan Rembang terjadi penurunan waiting time sebesar 27% dan number waiting menurun sebesar 2 unit, jalan Mayjend Sungkono terjadi penurunan waiting time sebesar 43% dan number waiting menurun sebesar 12 unit, jalan Veteran terjadi penurunan waiting time sebesar 30% detik dan number waiting menurun sebesar 7 unit, dan jalan Kapten Darmo terjadi kenaikan waiting time sebesar 86% dan number waiting naik sebesar 1 unit. |
Daniel Fransiscus Hoetomo Lembito, Arief Bimantoro Suharko ANALISIS DAMPAK LOGISTICS SERVICE QUALITY DAN PERCEIVED PRICE FAIRNESS TERHADAP SERVICE LOYALTY DI PT. MITRA JELAJAH SOLUSINDO Masters Thesis 2020. @mastersthesis{Fransiscus2020, title = {ANALISIS DAMPAK LOGISTICS SERVICE QUALITY DAN PERCEIVED PRICE FAIRNESS TERHADAP SERVICE LOYALTY DI PT. MITRA JELAJAH SOLUSINDO}, author = {Daniel Fransiscus, Hoetomo Lembito, Arief Bimantoro Suharko}, url = {http://repository.bakrie.ac.id/id/eprint/3610}, year = {2020}, date = {2020-08-23}, abstract = {Penelitian ini membahas pengaruh logistics service quality terhadap service loyalty dengan customer satisfaction sebagai variabel intervening di PT. Mitra Jelajah Solusindo. Sampel penelitian ini berjumlah 23 responden pelanggan PT. Mitra Jelajah Solusindo yang melakukan transaksi berulang (repeat order) di bulan Agustus 2018-Januari 2020. Hasil penelitian menunjukkan bahwa setiap hubungan antar variabel baik logistics service quality, perceived price fairness, customer satisfaction memberikan pengaruh yang beragam terhadap service loyalty.}, keywords = {}, pubstate = {published}, tppubtype = {mastersthesis} } Penelitian ini membahas pengaruh logistics service quality terhadap service loyalty dengan customer satisfaction sebagai variabel intervening di PT. Mitra Jelajah Solusindo. Sampel penelitian ini berjumlah 23 responden pelanggan PT. Mitra Jelajah Solusindo yang melakukan transaksi berulang (repeat order) di bulan Agustus 2018-Januari 2020. Hasil penelitian menunjukkan bahwa setiap hubungan antar variabel baik logistics service quality, perceived price fairness, customer satisfaction memberikan pengaruh yang beragam terhadap service loyalty. |
Mohammed Ali Berawi Teuku Yuri Zagloel, Mustika Sari & Gunawan Saroji Research trend of dry port studies: a two-decade systematic review Journal Article Maritime Policy & Management, 48 (4), pp. 563-582, 2020, ISSN: 1464-5254. @article{Berawi2020, title = {Research trend of dry port studies: a two-decade systematic review}, author = {Mohammed Ali Berawi, Teuku Yuri Zagloel, Mustika Sari & Gunawan Saroji}, url = {https://www.tandfonline.com/toc/tmpm20/current}, doi = {https://doi.org/10.1080/03088839.2020.1798031}, issn = {1464-5254}, year = {2020}, date = {2020-07-24}, journal = {Maritime Policy & Management}, volume = {48}, number = {4}, pages = {563-582}, abstract = {Over the years, dry port studies experience a growing interest from academics and researchers focusing on various contexts within a seaport studies and involving a range of methods for evaluation and adoption. Some scholars have attempted to evaluate research in dry port during the past decade, but research involving structured analysis and extensive available literature are still very limited. Bibliometric analysis was conducted to generate 470 articles, and qualitative analysis was performed to produce 268 papers focusing on dry port studies from 1999 to 2019. The result categorize dry port studies into six thematic areas including (1) port policy and governance, (2) port management & strategies, (3) competition & performance, (4) planning & development, (5) dry port operation, and (6) spatial analysis. The finding of this study reveals that scholars are interested in competition, port performance, and dry port planning and development. On the other hand, the themes related to spatial analysis and dry port operation are found to remain limited. Moreover, sustainability issue has emerged as one of the potential topics that might highly contribute to the direction of future dry port studies.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Over the years, dry port studies experience a growing interest from academics and researchers focusing on various contexts within a seaport studies and involving a range of methods for evaluation and adoption. Some scholars have attempted to evaluate research in dry port during the past decade, but research involving structured analysis and extensive available literature are still very limited. Bibliometric analysis was conducted to generate 470 articles, and qualitative analysis was performed to produce 268 papers focusing on dry port studies from 1999 to 2019. The result categorize dry port studies into six thematic areas including (1) port policy and governance, (2) port management & strategies, (3) competition & performance, (4) planning & development, (5) dry port operation, and (6) spatial analysis. The finding of this study reveals that scholars are interested in competition, port performance, and dry port planning and development. On the other hand, the themes related to spatial analysis and dry port operation are found to remain limited. Moreover, sustainability issue has emerged as one of the potential topics that might highly contribute to the direction of future dry port studies. |
Penelitianadmin2020-09-12T18:20:22+07:00
2021 |
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Location-routing problem: a classification of recent research Journal Article International Transactions in Operational Research, 28 (6), pp. 2941-2983, 2021. |
Risk Analysis in Halal Fast Food Supply Chain Restaurant using Risk Map Method Journal Article International Journal of Mechanical Engineering Technologies and Applications, 2 (1), pp. 61-66, 2021, ISSN: 2722-3213. |
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Controlling Risks Through Ergonomics Participatory in Industry of Processed Meat Products Certified Halal Journal Article International Journal of Supply Chain Management, 10 (1), 2021, ISSN: 2050-7399. |
Risk Control Failure of Iron Pipes in Finished Goods Warehouses using Dynamic Systems Journal Article International Journal of Technology, 12 (1), pp. 15-21, 2021, ISSN: 2087-2100. |
Coordination mechanism framework for container dwelling time reduction Journal Article International Journal of Shipping and Transport Logistics, 13 (1-2), pp. 25-43, 2021. |
The Dynamics of Sustainability Risks in the Global Coffee Supply Chain: A Case of Indonesia–UK Journal Article Sustainability, 13 (2), pp. 589, 2021, ISSN: 2071-1050. |
Business Process Reengineering at ICT Operations, In Managing Smart Cities as New Customers (Non-Human) Journal Article International Journal of Technology, 12 (2), pp. 378-389, 2021, ISSN: 2086-9614. |
Mapping challenges in developing sustainable small and medium industries: Integrating lean and green principles Journal Article Journal of Industrial Engineering and Management, 14 (2), pp. 311-328, 2021, ISSN: 2013-8423. |
PENGARUH PENGENDALIAN PERSEDIAAN BAHAN BAKU KAIN TERHADAP PROSES PRODUKSI PADA PT. RATNA DEWI TUNGGAL ABADI Journal Article JURNAL MAHASISWA MANAJEMEN LOGISTIK, 1 (1), pp. 29-37, 2021, ISSN: 2621-6442. |
2020 |
PERANCANGAN KEY PERFORMANCE INDICATOR (KPI) MENGGUNAKAN METODE CUSTOMIZED BALANCE SCORECARD (BSC) DAN SUPPLY CHAIN OPERATION REFERENCES (SCOR) PADA SEKTOR INDUSTRI MINYAK DAN GAS Journal Article Jurnal Rekavasi, 8 (2), pp. 66-76, 2020. |
International Journal of Integrated Engineering, 12 (7), pp. 268-279, 2020. |
Jurnal INTECH Teknik Industri Universitas Serang Raya, 6 (2), pp. 99-106, 2020. |
Peningkatan kualitas dan efisiensi pada proses produksi dunnage menggunakan metode lean six sigma (Studi kasus di PT. XYZ) Journal Article JURNAL SAINS DAN TEKNOLOGI, 16 (2), pp. 186–199, 2020. |
A Decision Support System to Achieve Self-Sufficiency of Soybean (Case: Central Java Province, Indonesia) Journal Article Jurnal Optimasi Sistem Industri, 19 (2), pp. 144-156, 2020. |
OPTIMASI PEMILIHAN SUPPLIER BAHAN BAKU BATUBARA DENGAN METODE GOAL PROGRAMMING (Studi Kasus di PT. ABC) Journal Article Journal Industrial Services, 6 (1), 2020, ISSN: 2461-0631. |
Perancangan Fasilitas Gudang Dalam Sistem Logistik (Pendekatan Berbasis Laboratorium) Journal Article Jurnal Logistik Indonesia, 4 (2), pp. 94-106, 2020. |
Evaluasi Proses Pengadaan Barang Menggunakan Metode Value Stream Mapping pada Perusahaan Minyak dan Gas Journal Article Jurnal Logistik Indonesia, 4 (1), pp. 20-31, 2020. |
Logistik Perkotaan di Indonesia Book UGM Press, 2020, ISBN: 978-602-386-363-1. |
Scenarios for handling the impact of COVID-19 based on food supply network through regional food hubs under uncertainty Journal Article Heliyon, 6 (10), pp. e05128, 2020. |
Development of Road Freight Transportation Distribution Model Based on Vehicle Transportation Inter Zone Requirement Journal Article Transportation Research Procedia, 48 , pp. 562-573, 2020, ISSN: 2352-1465, (Recent Advances and Emerging Issues in Transport Research – An Editorial Note for the Selected Proceedings of WCTR 2019 Mumbai). |
Simulating long-term performance of regional distribution centers in archipelagic logistics systems Journal Article Maritime Economics & Logistics, 22 (3), pp. 1-29, 2020. |
Multi-criteria spine layout design of a mixed production line considering additional processes required for a new product Journal Article IOP Conference Series: Materials Science and Engineering, 1003 , pp. 012027, 2020. |
Incorporating carbon emissions in queuing models to determine lot sizes and inventory buffers in a supply chain Journal Article International Journal of Intelligent Enterprise, 7 (4), pp. 373-390, 2020, ISSN: 1745-3232. |
Simulasi Pengaturan Durasi Traffic Light di Kota Gresik sebagai Alat Bantu Pengambilan Keputusan untuk Meminimumkan Antrian Kendaraan Journal Article Department of Logistic Engineering, 1 (1), 2020. |
ANALISIS DAMPAK LOGISTICS SERVICE QUALITY DAN PERCEIVED PRICE FAIRNESS TERHADAP SERVICE LOYALTY DI PT. MITRA JELAJAH SOLUSINDO Masters Thesis 2020. |
Research trend of dry port studies: a two-decade systematic review Journal Article Maritime Policy & Management, 48 (4), pp. 563-582, 2020, ISSN: 1464-5254. |