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Metris: Jurnal Sains dan Teknologi
Published by Universitas Katolik Indonesia Atma Jaya
ISSN : 14113287     EISSN : 28084810     DOI : https://doi.org/10.25170/metris
Core Subject : Science, Education, Engineering,
Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering
Jurnal Metris is published 2 (twice) a year. Since Volume 14 in 2013, Jurnal Metris has been published in June and December. The contents of the journal discuss research results in the field of industrial engineering. Jurnal Metris provides a place of publishing for sharing the new findings from research results of researchers, academics, scientists, and practitioners who related to the scope (but not limited) of: 1) Smart Production; 2) Lean Manufacturing; 3) Product Design & Development; 4) Human Factors Engineering; 5) Management Science and Operation Research; 6) Logistics and Supply Chain Management; 7) Decision Science in Business and Management; 8) Quality Engineering.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 194 Documents
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Usulan Peningkatan Efisiensi Keseimbangan Lini Dengan Value Stream Mapping Dan Yamazumi Chart Pada PT.PAI Sriwana, Iphov K.; Kurniawan, Kurniawan
Metris: Jurnal Sains dan Teknologi Vol. 20 No. 01 (2019): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i1.2391

Abstract

PT. PAI is a footware company that produces sports shoes. The production process at PT. PAI, has a waste of 15.891%. To overcome the problems that occur, this study was conducted with the aim of identifying and proposing waste elimination. The method used is a lean manufacturing approach. One of the tools used is Value Stream Mapping (VSM) and Yamazumi Chart. The first stage to solve the problem is the identification of waste using the Waste Relationship Matrix (WRM), Waste Assessment Questionnaire (WAQ) and VALSAT. The second stage is carried out by designing the current Value Stream Mapping (VSM), designing the proposed improvements using the Yamazumi Chart to balance the production line and designing the Future VSM based on the results of the proposals that have been given. The result of identification using these tools is known that the biggest waste is waste in the process with a percentage of 15.891% followed by overproduction of 15.774%. Based on the calculation using VSM and Yamazumi Chart, elimination of waste can be done as much as 5.48%, reducing the number of workers by 32 people and reducing the number of work stations by 16 work stations
Optimalisasi Head Truck Maintenance untuk Meningkatkan Availability dan Reliability di PT. TPS Kawasugi, Regiyan Drinin; Sari, Devina Puspita; Praharsi, Yugowati
Metris: Jurnal Sains dan Teknologi Vol. 20 No. 01 (2019): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i1.2392

Abstract

PT TPS Surabaya is a company engaged in terminal handling, especially containers. In carrying out operational activities to transport containers from the dock to the company's container yard, it uses eighty head truck fleets. Operational activities for transporting containers are carried out 24 hours a day so that maintenance is needed. Therefore, the operational head trucks do not experience sudden damage and disrupt operations. The malfunction of the device can occur due to damage to the components in the device. The design of the component replacement and the inspection intervals on the components is needed to avoid sudden component damage. Calculation of interval replacement and component checking is done by calculating the damage distribution followed by searching for index of fit and goodness of fit using Minitab software. The result showed that the inspection time interval of 1091 hours for the air system and 398.45 hours for the transmission system components. Besides, the replacement time interval for the component of the air system is 62 hours and the transmission system is 124 hours after inspection.
Optimasi Pengiriman Sapi Potong pada Jaringan Pelayaran Kapal Khusus Ternak dengan Algoritma Genetika Natalia, Christine; Setiadi, Ghea Ghoniyyah; Silalahi, Agustinus
Metris: Jurnal Sains dan Teknologi Vol. 20 No. 01 (2019): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i1.2393

Abstract

The government livestock carrier cruise program is a dedicated program to improve the supply chain management of livestock and the ultimate goal is selfsufficiency of beef in 2026. This carrier has one fleet with the capacity of 500 cows and sails through 8 ports regularly. The island of Nusa Tenggara are the local producers for the livestock carrier cruise which is an area of provincial surplus of beef. For the future the government plans to add more ships to the armada from the current one fleet to six fleets of livestock carrier cruises. The current livestock carrier cruise program has not been optimal in shipping cows to the consumer area. This is caused by the limitation of number of fleet and theexisting route that the livestock carrier has to sail through has created some obstacle to maximizing the number of cows to be distributed. This research aims to optimise this carrier cruising route with criteria including having high supplied beef percentage rate and having the most minimum cost. This optimisation problem solved by genetics algorithm methid and develop twodifferent scenarios that suggest alternatives for an optimal route. To make things easier, a computerized program with genetics algorithm method for a livestock carrier cruise optimization network are designed. The outcome of this research is a proposed optimised route on scenario 1 with total cost of Rp 443,306,533.26, and total load of 1,374 cows. As for the future to add five ships, the conditions are met by using the results of the second scenario with total cost of Rp 1,321,505,850.62, total load of 3416 cows and the route network for six ships
Implementasi House of Risk dalam Strategi Mitigasi Penyebab Risiko pada Aktivitas di Bagian Produksi PT. XYZ Octavia, Chendrasari W.; Magdalena, Riana; Prasetya, Wibawa
Metris: Jurnal Sains dan Teknologi Vol. 20 No. 01 (2019): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i1.2394

Abstract

In the current competitive environment, every company is required to have a strong supply chain network as part of the company's strategy to survive in the company environment. However, the establishment of a strong supply chain network is not a guarantee of risk free. Risk is the impact of an event, an event occurs due to uncertainty that cannot be predicted by stakeholders. In this study aims to identify and map risk events and causes of risk, and provide proposed actions to minimize risk mitigation strategies with the House of Risk approach. The House of Risk approach is part of risk management in the supply chain where this method is able to identify and map risks and events of risk, and provide proposed mitigation strategies. The results of this study obtained 10 risk events and 17 risk causes with the proposed mitigation actions 7 actions.
Jadwal Preventive Maintainance Mesin Menggunakan Algoritma Genetik Steady State Dengan Fungsi Kecocokan Berbasis Required Reliability Handoko, Budhi; Franty, Yeny Krista
Metris: Jurnal Sains dan Teknologi Vol. 18 No. 01 (2017): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

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Abstract

Preventive maintainance activities are very important for manufacturing industries in order to maintain lifetime of their components/machines and to improve their performances. This research determines preventive maintainance schedules which minimize total cost and maximize reliability of components/machines. Some methods are already developed to obtain the schedule, exact method for example, has been used for many years. However this method having a drawback in the optimization process, in particular is model complexity, time consuming, and may lead to produce unfeasible solutions. Therefore, to overcome the problems, this research use another possible method namely Steady State Genetic Algorithm (SSGA). This research uses fitness function that is depend on Required Reliability which is stated by the company.In this research, SSGA is used to solve the problem of optimizationing in determining preventive maintainace schedule. This method was implemented to determine preventive maintainace schedule of Freeze Drying belongs to Pindad Cooperation. In this case, SSGA involed population size of 2,000 becauseit produces small variance solution and genetic cycle of 500 which produce convergent values based both on cost and reliability. According to the schedule, if the manufacturer would like to obtain machine reliability of60%, then there are not any maintaince avctivites requred during the period of 15 months. In addition, ifthe reliabilityof 80% required, then the company should perform replacement action on the first month and the tenth month. The company should alse perform maintainance activity on the fourth month with cost needed to do the actions is Rp 784,450. This schedule produces reliability for the machine of 68.71%.
The Schemes Funding Analyisis for Technology Commercialization: A Case Study Sutopo, Wahyudi; Astuti, Rina Wiji; Yuniaristanto, Yuniaristanto
Metris: Jurnal Sains dan Teknologi Vol. 18 No. 01 (2017): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

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Abstract

Funding is an important aspect in doing commercialization of the results of research based technology. Adequate funding is needed to develop successful research. This article is focused on developing a funding strategy for technology commercialization, on the condition where the funds owned by the researcher is not sufficient, the efforts need to do is find the source of funding from the other funding source. This research methodology was conducted by identifying an alternative access to the finance commercialization of technologies that possible and analyzing detail on each scheme by collecting primary data through interviews and support with some secondary data. The data were collected from interviews with the Technology Transfer Office (TTO) of universities in Indonesia; questionnaires and published material from some universities and research centers and Ministry of Science, Technology, and Higher Education of Indonesia. We also made a case study of a comparative analysis between Indonesia and Malaysia. The collected data were transcribed and analyzed with mapping analysis based on the criteria for each funding scheme. Conclusions are drawn from the study findings and recommendation made.
Estimasi Trip Frequency Dengan Menggunakan Model Multiple Linear Regression Chandra, Agung
Metris: Jurnal Sains dan Teknologi Vol. 18 No. 01 (2017): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

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Abstract

One important step in transportation planning is trip generation or trip frequency (trip production). Factors that influence trip frequency are income, family size, and vehicle ownership. One has to know the relationship between trip frequency and its factors by building the statistical model. The model is Multiple Linier Regression which the dependent variable is trip frequency and the independent variables are income, family size and vehicle ownership.
Study of Financial Literacy Among College Students in a Public University, Borneo Tarakan Indonesia Juliana, Ahmad
Metris: Jurnal Sains dan Teknologi Vol. 18 No. 01 (2017): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

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Abstract

This paper aims to examine gender differences in financial literacy among college students in Borneo Tarakan University. We use Multistage Random Sampling method. The research recruits 325 college student form Department of Management, Faculty Economic. The findings indicate gender differences function in different aspects of financial literacy. Female students are better literate than male student. The findings confirm basic concept of financial literacy in Compound of Interest and Inflation. In terms of level differrence the level 2 better literate than level 1 and 3, this confirm to all basic concept literacy. As for age differences, college students of 19-20 years old are better literate. Meanwhile, the results of college student with working experience are better than student without working experience in Compound of Interest and Inflation concept. However, we got different results on stock risk concept, college student without working experience are better literate than college students with working experience.
Analisis Kelayakan Budidaya Ikan Nila dengan Sistem Akuaponik dan Pakan Buatan di Dusun Ponggang, Jawa Barat Siantara, Adriel Pradita; Limantara, Lydia; Dewi, Lucyana
Metris: Jurnal Sains dan Teknologi Vol. 18 No. 01 (2017): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

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Abstract

Fish is an alternative to animal protein to meet the needs of various circles of society. This is evidenced by the contribution of fish proteins to animal protein consumption reaches 57% of Indonesian society. With the increasing demand for fish consumption in the community, then it needs to be made of fish farming as a source of fish supply. Tilapia fish (nila fish) is one commodity that can be developed for the domestic market and export. The problem that often arises is about the feasibility of fish farming itself, the lack of quality water to the source of fish life, and high costs necessary for the fulfillment of fish feed on a system of fish farming, because in general the price of fish food available in the market are relatively expensive. In this research, feasibility analysis tilapia fish farming with artificial feed is integrated with Aquaponics system in Ponggang Village, West Java. This research was conducted in the Ponggang Village, district Serang Panjang, Subang, West Java, namely to develop activities in fish farming to make fish feed artificial raw materials are easily obtained by the local community and with simple techniques, so the approach taken more towards rural communities, namely that the local community is able to apply and costs need to be incurred for the preparation of an integrated system of fish farming is also relatively small.
Analisis Efektivitas Mesin Tette 3200 Line 1 Guna Meminimalisir Waktu Downtime Dengan Metode Overall Equipment Effectiveness di PT. BI Hermanto, Hermanto; Wiratmani, Elfitra; Irvan, M.
Metris: Jurnal Sains dan Teknologi Vol. 18 No. 01 (2017): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

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Abstract

Overall Equipment Effectiviness (OEE) is one of the way to determine the level of effectiveness of utilization of equipment. OEE is known as an application program from Total Preventive Maintenance (TPM). This study measured OEE is a performance value that is 52.84%. The study found that speed losses is one of the real issues, namely the value of idle and minor STOPPAGE i.e. 42.01% and this loss occurs due to several reasons such as waiting for the materials in the process and not the operator, so the recommended action is to strengthen supervision of employees, mainly machine operators. After doing research, calculating and analyzing the value of Overall Equipment Effectiveness of engine performance fette 3200 line 1, the factors that cause OEE values below the standard affected the performance score is 52.84%, the value of availability is 79.48%, the value of quality that is 97.89% for roots cause of the low value of OEE that occurred in PT. Bayer Indonesia in 3200 fette production line machine line 1 in the period January-September 2015 caused availability value, value performance, quality and value are still below standard OEE is 85%. Difference OEE values obtained under the standard is 41.04%. Propose strategies with the engine Fette 3200 to increase the value of OEE in order to suppress the downtime by pursuing a strategy of monitoring the machine operator so that the operator can do the job effectively, create standard ways of cleaning and setup time machine that not a lot of time discarded, do make to stock to part critical components so that no downtime high value.

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