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Jurnal Optimasi Sistem Industri
Published by Universitas Andalas
ISSN : 20884842     EISSN : 24428795     DOI : -
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Optimasi Sistem Industri (JOSI) is a peer-reviewed journal that is published periodically (April and October) by the Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang.
Arjuna Subject : -
Articles 394 Documents
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Cloud Manufacturing: Tinjauan Literatur dan Pengembangan Layanannya untuk Perencanaan Fasilitas Produksi Agus Sutanto
Jurnal Optimasi Sistem Industri Vol. 13 No. 2 (2014): Published in October 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n2.p725-742.2014

Abstract

Cloud Manufacturing is an advanced manufacturing model which provides services by utilizing a shared resource pool such as computers, servers, networking, Internet and application softwares. The term Cloud Manufacturing in the engineering literature is still fairly new. it comes from the term Cloud Computing which is earlier known as Internet services on demand. Here includes Software as a Service (SaaS) along with infrastructure, platform and other delieveries as a service. First introduced by F. Tao in 2011, Cloud Manufacturing combines the latest technologies such as cloud computing, internet of thing, manufacturing object virtualizations and service-oriented computing services. The advanced manufacturing service models related to this terminology will be described as literatur reviews in this paper. At the end of this paper was given a case study of the application of the Cloud Manufacturing for designing a web-based production facilities layout as a cloud software as a service for the users.
Indikator Proses Utama pada Proses Grinding dengan Pendekatan Manajemen Pengetahuan Ikhwan Arief; Alfajri Nalda
Jurnal Optimasi Sistem Industri Vol. 13 No. 2 (2014): Published in October 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n2.p743-759.2014

Abstract

This study discusses about key process indicators in grinding with the knowledge management approach. Common/key indicators used in the machine are workpiece, grinding wheel, dressing tool and coolant. The resulting key processeswill benefit firms and their operators especially new ones in managing scienceson grinding process that will allow knowledge transferred to new operators quickly. Process indicators are described with IDEF0 diagrams which will define the inputs, outputs, mechanisms and controls.
Perancangan Aplikasi Sistem Penilaian Kinerja Karyawan dengan metode MBO dan BARS (Studi Kasus PLTA Maninjau) Taufik Nalda; Prima Fithri; Yudji Erman Prathama
Jurnal Optimasi Sistem Industri Vol. 13 No. 2 (2014): Published in October 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n2.p760-770.2014

Abstract

Along with the development of science and technology today is so rapid, required human resource capacity and reliable quality which will support companies in improving the quality of the company. In response to the demanding needs of qualified human resources, Maninjau hydropower which is a branch of PT PLN and under Power Sector Bukittinggi, have tried to prepare the workforce to meet the requirements demanded by the busin ess. Way to do is to assess employee performance. Employee performance appraisal that applied hydropower Maninjau currently not able to see the performance and achievement of each employee. Hydroelectric Maninjau should improve the assessment of employees. The method can be done in assessing employee performance include the Management By Objectives (MBO) and Behaviorally Anchored Rating Scale (BARS). For the fast growing data needs, then designed an application performance appraisal in hydropower Maninjau with BARS and MBO method.Application design is done by surveying systems, system analysis, system design and performance of the MBO method BARS, employee performance appraisal application design, and manufacturing applications, as well as verification and validation. Making an application is done using Microsoft Excel. Once the application is successfully validated, then the application implementation. Implementation is based on the employee's performance on the most recent period, namely 1 last semester (January-June) were conducted in June, 2013.Based on the validation has been done, it can be concluded that the application has to be used by hydropower Maninjau in assessing employee performance. As for the results of the implementation of applications, it can be seen that the performance of the employee on hydropower Maninjau in the last period was on average 80%. The assessment includes an assessment of the achievement of business results and work with behavioral weight ratio, 60% for work objectives (MBO) and 40% for work behavior (BARS).
Aplikasi Ergonomic Function Deployment (EFD) pada Redesign Alat Parut Kelapa untuk Ibu Rumah Tangga Roberta Zulfhi Surya; Rusdi Badruddin; M. Gasali
Jurnal Optimasi Sistem Industri Vol. 13 No. 2 (2014): Published in October 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n2.p771-780.2014

Abstract

Grate the coconut is one of kitchen activity which faces by housewife in daily life. A coconut grater product which is distibuted in market, one of them is manual crank system. Housewife complain that they feel painfull in their body, especially at hand. Waist and back after using available old tool. This research is purposed to improve the design of coconut grater with crank system by ergonomic function deployment (EFD) approach, also to known mosculuskletal reducing of housewife as user and show differention time of grater after redesign done. Research was conducted in RT. 001 RW.005 Tembilahan, Indragiri Hilir District. Research model used treatment by subject design with total sample is 12 housewife which is calculation by Colton Formula. Improvement new coconut grater design with crank system which EFD got by creat the matrix house of ergonomic (HOE) and determination of anthropometry data. Mosculuskletal complain on housewife is measured by making the Nordic Body Map (NBM) Questionnaire work sheet. Time of grated the coconut got by testing coconut grater by crank system on before and after using. Research finding after redesign of coconut grater of crank system shown that design of coconut grater of crank system with EFD and base on ergonomic acpects (effective, confort, savety, healthy and efficient. Mosculuskletal complaint that happend on housewife decrease about 0,285 or 17,39%. Time of grate is also faster around 5 minutes or has imporove 30,1%.
Optimasi Perencanaan Keuntungan Produksi pada Pengolahan Rendang di Perusahaan “Rendang Erika” Payakumbuh Deswani Panggabean; Masrul Djalal; Santosa
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p427-453.2014

Abstract

Rendang is a traditional Minangkabau food. Rendang is generally made of meat, coconut milk and seasoning. Generally rendang semi-wet, but now it has been modified into a dry rendang. Dry rendang widely produced at Payakumbuh, West Sumatra Province. This research was conducted in July to August 2013 at Company " Rendang Erika " Payakumbuh. Research purposes is plotting the maximum profit and optimum production quantities with minimal use of resources. Processing data using the program LINDO (Linear Interactive Discrete Optimizer). The results of the study on the optimum conditions obtained maximum profit of Rp 84,049,360,- per month. The use of herbs and spices and coconut milk have been optimum.
Evaluasi Efektivitas Mesin Kiln dengan Penerapan Total Productive Maintenance pada Pabrik II/III PT Semen Padang Andita Rahayu
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p454-485.2014

Abstract

PT Semen Padang is a company that produces cement and it can not be separated from issues related to the effectiveness of the machinery/ equipment caused by factors such as six big losses. It can be indicated from the frequency of damage caused to machinery/ equipment because of the damage so that production targets are not achieved. Another result of damage caused by machinery/ equipment is the quality of products where the products are not meet the quality standards. Therefore, it is necessary to measure effective and efficient in the maintenance of machinery/equipment int term of solving such problems. TPM is a method which developed in Japan that can be applied to improve the productivity and efficiency of production. The applied method is one of useful methods to mantain machinery/equipment utilization including, losses that called by the six big losses. One goal of TPM is to increase the effectiveness to improve function and performance of machinery/ equipment used and reduce the six big losses contained in the machine/ equipment. Study has been conductedin W1 and W2 Kiln engine on Indarung Factory II / III PT Semen Padang. The first stage is measuring the effectiveness of W1 and W2 Kiln machine using OEE method. Furthermore, we are y measure OEE Six Big Losses and another losses that lead to the low efficiency of the Kiln machine. The data has been collected based on year 2013. Result showed that the value of OEE in W1 kiln ranged from 49% to 96%. While the value of OEE in W2 kiln ranged from 60% to 98% . It is related to the level of availability W1 kiln (average 92%) were also quite low when it is compared to the level of availability W2 kiln (average 94%) due to the length of time the kiln W1 engine damage. Refer to the value of the performance rate W1 and W2 kiln, it can be concluded that the average value of both engine performance rate is almost the same, ranging between 91% and 92%. Analysis of OEE Six Big Lossesshowed that cause of low OEE on kiln machine is breakdown loss. It also affected the reduced speed loss.
Pengukuran Beban Kerja Fisiologis dan Psikologis pada Operator Pemetikan Teh dan Operator Produksi Teh Hijau di PTMitra Kerinci Mega Mutia
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p503-517.2014

Abstract

PT . Mitra Kerinci is agro-industry that have tea plantation and some factory facilities consist of tea processes, green tea processes and black tea processes. PT Mitra Kerinci become the largest green tea producer in Southeast Asia. The Company continually make improvements in every line of the company to produce high quality products. Workers are an important element of the company as well as a critical corporate asset. The company always keeping workers comfortable and maximal doing his job, for the activities associated with the production of green tea such as picking tea and green tea production process and should be evaluated and developed to be improved towards better way. This study aimed to measure the workload physiological and psychological workload on the operator plucking tea and green tea production operators and provide recommendations based on the results obtained to improve the work system at the plucking tea and green tea production PT Mitra Kerinci. Measurement of physiological workload done by calculating calorie requirements, CVLpercentage and consumption of each carrier by measuring the pulse and temperature measurement operator workload while the psychological conducted using the NASA-TLX.
Pengendalian Kualitas Kemasan Plastik Pouch Menggunakan Statistical Procces Control (SPC) di PT Incasi Raya Padang Rendy Kaban
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p518-547.2014

Abstract

PT Incasi Raya is one of the major companies in Indonesia which produce edible oils. One of the stages in the production activities are packaging products. Used packaging made of plastic material, with the capacity and different type. Plastic pouch is one of the few types of packaging used in the packaging of edible oils. Quality packaging affects the distribution of production to the consumer. If the packaging is damaged, then the product can not be distributed to consumers. Therefore, the quality of the packaging must be kept for the successful marketing of the product. One way to implement a quality control methods Statistical Processing Control (SPC). The data used in this study is a secondary data provided by the company. Data collected is the number of production reject every month in packaging activities. The data processing of the data collection that is making control map p. The results of data processing show that many reject the production of packaging that are outside the control limits. Data that are outside the control limits indicates there is a problem in the quality control of the company. Of all types of packaging, only one or two months of production reject packs that are in the control limits. This suggests that the dominant packaging reject each month of production is outside the control limits. Reject the production was analyzed using a causal diagram. Factors influencing the presence reject packaging production is based on the analysis of human, machine, environment, materials, and methods within the company. After analyzing of the causal diagram, the data is revision. Making a map of the proposed p controls the data that has been revised is the end result of the data processing is done. Quality control companies are advised to be on the boundary control such as control map p recommended.
Analisis Produktifitas Menggunakan Metode ObjectiveMatrix (OMAX) (Studi Kasus: PT. Moradon Berlian Sakti) Prima Fithri; Indra Firdaus
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p548-555.2014

Abstract

PT. Moradon Berlian Sakti is Die Casting manufacturer of Honda motorcycle spare parts and other types of products, such as chair. Along with the rapid advancement of technology, PT. Moradon Berlian Sakti always strive to maintain and improve its existence. One of important factor that need to be noticed is the productivity issue. Productivity assessment can be conducted based on the comparison of company input and output in terms of materials, capital, labor and energy. After learning the level or productivity index, company leader can identify which condition has productivity shrinkage and make decision to increase productivity company based on those condition. Based on the calculations, the levels of productivity index in 2012, was virtually uniform from January to December. But in October the productivity is high and reach the level 94.33%. That is because that performance indicators are in accordance with expectation of company leader. While in December productivity dramatically decreased to 4.67%, it is because less supervision and control from the company.
Analisis Pengaruh Kepemimpinan, Motivasi, Lingkungan Kerja, dan Kedisplinan Terhadap Kinerja Karyawan (Studi Kasus: Operator Welding 1A, PT. XYZ Motor) Dina Rahmayanti; Idham Afandi
Jurnal Optimasi Sistem Industri Vol. 13 No. 1 (2014): Published in April 2014
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v13.n1.p556-561.2014

Abstract

Leadership, motivation, work environment, and discipline is some of important factors where its influence in employees performance need to be studied, in order to improve better performance or provide positive influence on the performance itself. Employees performance in the welding section 1 A, has significant effect in the production process at PT. XYZ Motor, which manufactures parts of the body frame, in order to complete the daily production target, the influence of these factors on the employees performance needs to be determined. This study uses a questionnaire for collecting data from samples of 80 respondents taken from 158 employees in the welding 1 A. Multiple linear regression is used to test hypotheses for each variable. Result showed that the discipline variables has positive influence on employee performance with significance value of 0,04, where the value is less than 0,05. Other factors has value greater than 0,05.

Page 34 of 40 | Total Record : 394

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