Jurnal Sistem dan Manajemen Industri
This journal aims to publish the results of research in the field of Industrial Engineering is published twice a year, managed by the University of Serang Raya. The scope of Sciences covers Operations Research, Manufacturing System, Industrial Management, Ergonomics and Work System, Logistics and Supply Chain Management, and other scientific studies in accordance with scope field of Industrial Engineering research.
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Optimasi Rute Pengiriman dengan Heterogeneous Fleet Vehicle Routing Problem with Time Windows
Edwin Hendrawan;
I Gede Agus Widyadana
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
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DOI: 10.30656/jsmi.v2i1.518
PT. X is a distributor of spare parts with 128 customers for Surabaya City and Sidoarjo City. Number of delivery vehicles owned by PT. X is 15. Determination of delivery route owned by PT. X is completed manually based on driver experience. This research is to make a model of determining the route with minimum cost by considering the travel time and the capacity of the vehicle. Model formation is accomplished in accordance with the PT X policy that each colleague can only be served by one vehicle and the maximum shipping time of 7 hours. The model formed is Heterogeneous Fleet Vehicle Routing Problem with Time Windows (HFVRPWTW). The settlement method used is Evolutionary Algorithm (EA) by reviewing 3 cases. The number of vehicles decreased by the model is with an average difference of 1.67 vehicles. The shipping cost generated by the model is lower than the company for case 1 of 3,155 IDR and case 2 of 25,005 IDR. This condition indicates the model will use less number of vehicles with low shipping costs and large container utilities in 2 cases.
Studi Pendahuluan Untuk Pengembangan Indeks Kesiapan Kerja Harian
Yusuf Nugroho Doyo Yekti
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
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DOI: 10.30656/jsmi.v2i1.608
Work related accident is a problem that needs to be considered seriously in Indonesia. The number of occupational accidents is increasing significantly from 96,314 in 2009 to 110,285 in 2015. The mortality rate in these cases is very high. This research aims to develop a daily fitness for duty index as a measurement to ensure that workers are able to work effectively and safely. Systematic literature review had been carried out through several stages, i.e. 1) determination of searching strategy, and searching process, 2) determination of searching criteria, 3) quality control for literature, and 4) conclusion. The experiment involved four participants. They divided into two groups: night shift workers and morning shift workers. Total sleep time, heart rate at rest, reaction time, and body weight were recorded during the experiment. The daily fitness for duty index has been developed that consider sleep sufficiency factor, circadian cycle misalignment factor, and individual factor. The daily fitness for duty index has a strong correlation with subjective work readiness measurement. Therefore, it can be concluded that the daily fitness for duty index is trustworthy to measure fitness for duty.
Usulan Penerapan Total Productive Maintenance pada Transfer Conveyor 17A
Sahrupi Sahrupi;
Juriantoro Juriantoro
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
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DOI: 10.30656/jsmi.v2i1.568
The quantity and quality of coal affects the efficiency of the generating unit, therefore the utilization of Transfer Conveyor 17A is very necessary to fulfill the fuel requirement (coal) of PT Indonesia Power Unit Generation Unit Suralaya. Transfer conveyor is an additional element in a conveyor belt circuit that serves to channel coal from unloading area until coal bunker (power plant). This study aims to find out the value of OEE Transfer Conveyor 17A which is used as the basis of proposed improvement based on the lowest value of the three parameters in OEE. The concept of research adopting OEE method with the value of quality is assumed 97,50% because the equipment that becomes the object of research does not produce the product. The result of calculation obtained by OEE value equal to 82,98% with ratio Availability 86,76% Performance Eficiency 98,09% and Rate of Quality 97,50%. A planned maintenance action is required to avoid unpredictable engine damage such as the operator checking the machine before it is operated, providing periodic training to operators and maintenance to improve their capabilities.
Analisis Sistem Antrian Pelayanan Registrasi Mahasiswa di BAAK Universitas Tridinanti Palembang
Mahmud Basuki
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
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DOI: 10.30656/jsmi.v2i1.557
Administrative Bureau of Academic and Student Affairs (BAAK) Tridinanti University of Palembang (UTP) is an institution that serves the academic administration and UTP student affairs. The approval of the KRS (Card Study Plan), the management of transcripts of grades, and the taking of diplomas are the requirements of the students at BAAK, so in the registration condition of the students, especially at the end of the registration period, there is a solid queue that the majority of the students need is the endorsement of KRS. One factor could be due to lack of servers (service personnel). The purpose of this study to determine the needs of the number of servers that should be used BAAK UTP using queue theory. The results showed that the condition of queue in solid condition, need to be added 1 server so that become 4 server, level of usage that is 79%.
Implementasi Six Sigma untuk Perbaikan Kualitas Produk Kiwi Paste Berdasarkan Keluhan Pelanggan
Nelfiyanti Nelfiyanti;
Annisa Mulia Rani;
Achmad Fauzi
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
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DOI: 10.30656/jsmi.v2i1.609
PT. LF Beauty Manufacturing Indonesia is a Hong Kong-based Li & Fung group of companies engaged in manufacturing services. The Company has 4 regular customers, namely: PT JHHP, PT.Diversey, PT.Topindo and PT.Wavin. During 2015 the company got 12 defect complaints which 8 complaints came from PT. JHHP. This study aims to determine the cause of disability complaints of PT JHHP, provide improvements to existing problems so that it does not occur in the future and as a measure of company productivity to improve production quality. This research method uses Six Sigma with DMAIC stages (Define Measure, Analyze, Improvement, Control). The object of research is the production data of August 2015 in accordance with customer complaints data. The result of analysis of JHPP customer's complaint obtained the biggest defect of kiwi paste product according to the diagram is finish good leak. Factors affecting the defect complaints of the finish good leaked kiwi paste product is the operator often do autocapper engine wind adjusment, unavailability of space thermometer tool in the warehouse area and dry production area, unavailability of wind pressure gauge used to determine the number of bars used in the asemble process and the temperature of the storage area space exceed the standard set. Defect value decreased, before implementation of 3.497 DPMO with sigma level 4.20 to 568 DPMO with 4.75 sigma level
Optimalisasi Proses Produksi Celana Panjang Melalui Pendekatan Six Sigma
Ali Subhan
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
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DOI: 10.30656/jsmi.v2i1.559
PT. Tainan Enterprises Indonesia branch of Cianjur produce various kinds of garment products. One of the most widely product is trousers. The product are still many defects. This is showed from the number of defective products during February 2015 until mid-March 2015 which reached 509 products unit of 10.138 trousers produced. Therefore, appropriate quality control is required to optimize the quality of trousers products. This research method uses Six Sigma approach with DMAIC cycle (Define, Measure, Analyze, Improvement, Control). Based on the results of the research is known the most dominant type of defect is oblique belt loop and skid jump defects. Factors causing of oblique belt loop defects are sourced from human factors (operator does not follow signs and operators are fatigue), engine factor (old machine age and engine setting less than perfect), material factor (needle material less reliable and materials need to be heating which is high), and the method factor (information on working methods is still lacking). While the factors causing of skid jump defects are sourced from human factors (operator is less careful in choosing to sewing needles and operators experience fatigue), machine factor (old machine age and no regular machine maintenance), material factor (needle less reliable sewing), and method factors (production supervision and quality control are still weak). Quality Increasing could be can increase the value of Six sigma from 3.82 to 4.27.
Optimasi Rute Pengiriman dengan Heterogeneous Fleet Vehicle Routing Problem with Time Windows
Hendrawan, Edwin;
Widyadana, I Gede Agus
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
Show Abstract
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Download Original
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Original Source
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Full PDF (499.549 KB)
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DOI: 10.30656/jsmi.v2i1.518
PT. X is a distributor of spare parts with 128 customers for Surabaya City and Sidoarjo City. Number of delivery vehicles owned by PT. X is 15. Determination of delivery route owned by PT. X is completed manually based on driver experience. This research is to make a model of determining the route with minimum cost by considering the travel time and the capacity of the vehicle. Model formation is accomplished in accordance with the PT X policy that each colleague can only be served by one vehicle and the maximum shipping time of 7 hours. The model formed is Heterogeneous Fleet Vehicle Routing Problem with Time Windows (HFVRPWTW). The settlement method used is Evolutionary Algorithm (EA) by reviewing 3 cases. The number of vehicles decreased by the model is with an average difference of 1.67 vehicles. The shipping cost generated by the model is lower than the company for case 1 of 3,155 IDR and case 2 of 25,005 IDR. This condition indicates the model will use less number of vehicles with low shipping costs and large container utilities in 2 cases.
Studi Pendahuluan Untuk Pengembangan Indeks Kesiapan Kerja Harian
Yekti, Yusuf Nugroho Doyo
Jurnal Sistem dan Manajemen Industri Vol. 2 No. 1 (2018)
Publisher : Universitas Serang Raya
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
Full PDF (360.595 KB)
|
DOI: 10.30656/jsmi.v2i1.608
Work related accident is a problem that needs to be considered seriously in Indonesia. The number of occupational accidents is increasing significantly from 96,314 in 2009 to 110,285 in 2015. The mortality rate in these cases is very high. This research aims to develop a daily fitness for duty index as a measurement to ensure that workers are able to work effectively and safely. Systematic literature review had been carried out through several stages, i.e. 1) determination of searching strategy, and searching process, 2) determination of searching criteria, 3) quality control for literature, and 4) conclusion. The experiment involved four participants. They divided into two groups: night shift workers and morning shift workers. Total sleep time, heart rate at rest, reaction time, and body weight were recorded during the experiment. The daily fitness for duty index has been developed that consider sleep sufficiency factor, circadian cycle misalignment factor, and individual factor. The daily fitness for duty index has a strong correlation with subjective work readiness measurement. Therefore, it can be concluded that the daily fitness for duty index is trustworthy to measure fitness for duty.