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Jurnal Sistem dan Manajemen Industri

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Published by Universitas Serang Raya

ISSN : 25802887 EISSN : 25802895 DOI : -

Core Subject : Engineering,

Engineering Industrial & Manufacturing Engineering Transportation

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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Articles 256 Documents

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Model Economic Production Quantity dengan Rework Process dan Batasan Gudang Utama, Dana Marsetiya; Wardani, Dwi Pramudia; Halifah, Syukron Taufiqurrohman; Pradikta, Dimas Caesario
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 1 (2019)
Publisher : Universitas Serang Raya

Rework products and warehouse capacity are common problems experienced by companies in the production process. Several Economic Production Quantity (EPQ) models were developed to minimize the costs of purchasing raw materials. This study aims to develop an Economic Production Quantity (EPQ) model with rework processes and warehouse constraints, assuming that the product is not perfect and can rework. The proposed model considers several cost components, including setup, holding, production, rework, and warehouse. The two proposed models are EPQ models with reworks and warehouse costs, and EPQ models with reworks and warehouse constraints. Based on several tests conducted, it obtains that the increase in the value of the maximum inventory amount did not have an impact on the production costs and the cost of the rework process. Based on several numerical experiments, the total cost of the rework process and production costs do not change to the maximum inventory value.

Analisis Pengendalian Kualitas Super Absorbent Polymer Dengan Menggunakan Metode Six Sigma Rosihin, Rosihin; Mujaddid Ulinnuha, Laksamana; Cahyadi, Dadi
Jurnal Sistem dan Manajemen Industri Vol. 1 No. 1 (2017)
Publisher : Universitas Serang Raya

Quality control is an effort to increase customer satisfaction and minimize damage. Super Absorbent Polymer which is a product as a raw material for making baby diapers / elderly and sanitary napkins. In Super Absorbent Polymer, defects usually found in the colour contamination that there is a dark colour on the product, print labels mistakes and packaging defects. This study aims to determine the value of DPMO and sigma level, identify the efforts which is taken to reduce disability, identify the types of disability, and find the main factors causing disability. Six Sigma method is used to analyze data with define, measure, analyze, improve and control. The quantitative data obtained by direct observation of quality problems. By using the method of six sigma can be seen that the quality of the resulting product is quite good that is 3.07 sigma with a damage rate of 58,624 for a million production (DPMO). The three highest defect product causes are color contamination of 93.34%, misprint of 3.55%, and packaging damage as much as 3.11%. The main factor causing defects is the engine factor for the type of colour contamination defect,. The type of improper defects in the packaging labels and main factor for the packaging defects is the human factor.kecacatan rusaknya kemasan faktor utama ialah faktor manusia.

Optimasi Capacitated Vehicle Routing Problem with Time Windows dengan Menggunakan Ant Colony Optimization Soenandi, Iwan Aang; Joice, Joice; Marpaung, Budi
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 1 (2019)
Publisher : Universitas Serang Raya

In recent years, minimization of logistics and transportation costs has become essential for manufacturing companies to increase profits. One thing is done to reduce logistics and transportation costs by optimizing the route of taking or transporting components from each supplier. Route optimization to minimize total transportation costs is a problem that often finds in Vehicle Routing Problems (VRP). Problem Capacitated Vehicle Routing with Time Windows (CVRPTW) is one variant of VRP that considers the vehicle capacity and the service period of each vehicle. CVRPTW is a Non-Polynomial Hard (NP-Hard) problem that requires an efficient and effective algorithm in solving problems that occur in this automotive company. This study uses the Ant Colony Optimization (ACO) algorithm by testing using several parameters to solve the CVRPTW problem. The test results using the ACO algorithm obtained a faster route compared to the method applied by the company.

Pengaruh Usia dan Masa Kerja Terhadap Produktivitas Kerja (Studi Kasus: PT. OASIS Water International Cabang Palembang) Aprilyanti, Selvia
Jurnal Sistem dan Manajemen Industri Vol. 1 No. 2 (2017)
Publisher : Universitas Serang Raya

Age and years of service are factors directly related to work productivity. Age and employment perceived by employees can decrease productivity or increase employee productivity. This research was conducted at PT. Oasis Water International Palembang Branch and aims to determine the influence of Age and Duration of employment on employee productivity. The number of sample is 27 respondents by using random sampling technique. Analysis method used is multiple linear regression method using SPSS aid which includes t test and F test. As independent variable (independent), that is age and work period, while dependent variable is work productivity. The result of data analysis showed that the variable of age and duration of work did not have a positive effect on work productivity, where the probability value of F test of significance value for the effect of age and work period simultaneously to productivity was 0.355 > 0.05 and F value count 1.083 <F table 3.39, and from the results of the analysis using the coefficient of determination known that the factor of age and employment only has an effect of 8.3 percent (%) on work productivity in the company PT.Oasis Water International.

Sistem Penentuan Supplier Kawat Las Dengan Metode Analitycal Hierarchy Process (AHP) dan Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) Ramayanti, Gina; Ulum, Hidayatul
Jurnal Sistem dan Manajemen Industri Vol. 1 No. 1 (2017)
Publisher : Universitas Serang Raya

Supplier selection is being a strategic activity, especially when the supplier is supplying materials that will be used in the long term. In the world of construction, one part of the supply chain which has a significant contribution to the improvement of the company's effectiveness is the efficiency in the procurement of materials (raw materials) from suppliers. In the research found the problem of 50 TON of welded wire failed. This study aims to determine the criteria based on the company needs in determining the supplier of welding wire and provide the ranking of suppliers as a material consideration in determining the supplier. The study used the Analytical Hierarchy Process (AHP) method for the selection of criteria and the Technique For Order Performance By Similiar To Ideal Solution for rating or evaluating alternative suppliers. Based on the results of AHP calculation we get the weight of each criteria as follows, for the quality of 0.0644, the price 0.056, the delivery time of 0.158, the quantity 0.053, the response to the claim of 0.093, and from the criteria are made reference to the calculation of vendor selection using TOPSIS. Results obtained supplier S2, i.e., PT.Esabindo Pratama ranked first as a priority supplier with a preference value of 0.322. Excellence which is owned by supplier S2 (PT.Esabindo Pratama) are the criteria of quality, price, quantity

Halaman Depan Vol. 1 No. 2, Desember 2017 admin, admin
Jurnal Sistem dan Manajemen Industri Vol. 1 No. 2 (2017)
Publisher : Universitas Serang Raya

Performance measurement of public hospitals through the integration of SWOT and balanced scorecard Setiawannie, Yuli; Rahmania, Tiara
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 2 (2019)
Publisher : Universitas Serang Raya

Performance measurement is an essential factor for an organization to control the implementation of the strategy. The existing performance measurement system only evaluates financial performance. This study aims to propose the Key Performance Indicators (KPI) and measuring hospital performance with SWOT and BSC integration. Stages of research are determining internal and external factors with SWOT analysis, formulating alternative strategies, translating strategies into BSC perspective on strategic maps, determining performance indicators (KPI), KPI validation with AHP to obtain indicator weights for each view, and measuring hospital performance. Based on the results of the study, performance indicators (KPI) for hospitals based on the Balanced Scorecard perspective are six financial perspective indicators, two customer perspective indicators, four internal process perspective indicators, and five growth and learning perspective indicators. The internal process perspective is 90.43%, which means that the performance of the hospital is very healthy with the AA category, and learning 68.89% means that the performance of the hospital is very healthy with category A.

Perbandingan Penentuan Waktu Baku Menggunakan Metode Time Study dan Critical Path Method (CPM) Miranda, Suci; Tripiawan, Wawan
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 1 (2019)
Publisher : Universitas Serang Raya

Increased technological developments encourage companies or industries to be able to increase their productivity. Increased productivity can do with improvements in each process carried out following the standard time set to complete an activity. This study aims to compare the usual time in the production process of MP YST Revo at a metal casting company using the time study method and the Critical Path Method (CPM) approach. Both methods process the same information for the duration of each recorded activity and allowance. The time study calculates the standard time of the production process by considering allowances, while the CPM uses completion time and final coefficient where the sum of the duration of each activity entering the critical path becomes completion time. Based on four observations, the average of the 30-minute allowance obtained, and the average observed time is 450.05 minutes, and the CPM gives a faster completion time of 341.4 minutes. The standard time to use CPM offers a difference of about 2 hours faster than a time study.

Implementasi Six Sigma untuk Perbaikan Produk Nickel Pig Iron Jihan Shofa, Mohamad; Gunawan, Hadi
Jurnal Sistem dan Manajemen Industri Vol. 1 No. 1 (2017)
Publisher : Universitas Serang Raya

PT. INF is a steel mining company. It produce such as nickel pig iron. Nickel pig iron used raw materials stainless steel factory, nickel and steel mill rolls. The number of defective products for nickel pig iron in a few months getting on upward trend. This research will analyze the cause of the increasing defect product by using Six Sigma methode. Furthermore, the proposed improvement is done by using the failure mode and effect analysis (FMEA) approach. The results shows the main problems are the higher value of Silica (Si) and phospor (P), the sigma level is obtained from the annual pig iron making process in 1.6 sigma, process improvement need to be done are monitoring and scheduling of burnlime powder orders, checking new materials by testing the formula against new materials, and making a repair schedule as well as focusing on changes in pressure on the monitor screen

Algoritma Simulated Annealing untuk Optimasi Rute Kendaraan dan Pemindahan Lokasi Sepeda pada Sistem Public Bike Sharing Redi, Anak Agung Ngurah Perwira; Redioka, Anak Agung Ngurah Agung
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 1 (2019)
Publisher : Universitas Serang Raya

The public bike-sharing system has a problem where the number of bicycles at the docking station needs to be balanced to ensure system user satisfaction. The usual solution is to distribute bicycles so that system users can still park for locations that are usually full of bicycles or pick up bicycles at locations that normally lack bicycles. The purpose of solving this problem is to get a vehicle route with the total operating costs of the vehicle. The full vehicle operating costs are associated with the full time taken by the vehicle to distribute the bicycle. Besides, there are also penalty fees related to the lack of bikes or parking slots at the time of operation of the public bike-sharing facility. In this study, two variations of the simulated annealing (SA) algorithm were developed to solve the SBRP problem called SA_BF and SA_CF. The data used comes from a Velib bike-sharing system case study in Paris, France. The results of the experiment show that both the SA_BF and SA_CF algorithms succeeded in solving SBRP. This algorithm has an average difference of 2.21% and 0.36% of the Arc-Indexed algorithm (AI) from previous studies in the first dataset. As for the second dataset, Tabu Search algorithm, SA_BF and SA_CF obtained an average difference of 0.65%, 1.08% and 0.38% of the optimal results.

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