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Perancangan Sistem Informasi pada Bagian Gudang PT. PN VI Unit Usaha Ophir Dina Rahmayanti; Ringgo Afrinando
Jurnal Optimasi Sistem Industri Vol. 12 No. 2 (2013): Published in 1st October 2013
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Sistem Informasi adalah sistem buatan manusia yang terdiri dari komponen-komponen dalam organisasi untuk dapat menyajikan informasi . Sebuah sistem informasi yang baik dapat meningkatkan kinerja dari semua kegiatan dalam perusahaan yang didukung oleh data yang akurat dan lebih aman , sehingga semua kegiatan dapat berjalan lebih efektif. PTPN 6 Satuan Usaha Ophir adalah salah satu perusahaan yang bekerja di industri manufaktur pengolahan minyak sawit . Salah satu bagian dari perusahaan ini yang penting adalah penyimpanan . Hal ini penting di gudang adalah pencatatan data barang yang ada . Dalam bagian ini ada sistem yang kurang baik dimana pencatatan data secara manual sehingga dapat mempengaruhi munculnya kesalahan . Oleh karena itu, dibutuhkan perancangan suatu sistem informasi item data sehingga waktu yang dibutuhkan untuk mencari data tidak panjang dan menyederhanakan aliran informasi. Perancangan sistem informasi ini melalui beberapa tahapan dimulai dengan survei pada perusahaan , masalah identifikasi , analisis sistem , desain model menggunakan UML dan akhirnya dengan merancang sistem informasi dengan menggunakan database dan aplikasi dengan PHP – MySQLKata Kunci: Departemen Penyimpanan, Sistem Informasi, UML Diagram

Optimalisasi Sistem Persediaan Bahan Baku Karet Mentah (Lateks) dengan Metode Lot Sizing (Studi Kasus: PT Abaisiat Raya) Dina Rahmayanti; Ahmad Fauzan
Jurnal Optimasi Sistem Industri Vol. 12 No. 1 (2013): Published in 1st April 2013
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

PT Abaisiat Raya is one of the manufacturers of rubber crumb (crumb rubber) in the city of Padang. Latex inventory management system at PT Abaisiat Kingdom basically signinfikan still need improvement. It is based on the planning activities in the warehouse inventory of raw materials firms irregular, thus causing excess stock (over stock) at a time and shortage of stock (stock out) at other times. Process optimization is done with latex inventory system involving factors such as demand forecasting production planning or latex needs during the period of next 12 (in 2012), the costs involved, the waiting time (lead time), the implementation of forecasting methods, determination of size lots (lot sizing), the determination of safety stock (safety stock), and re-ordering time (reorder point), so the output will get a number of requests are for 12 periods ahead, the size of each reservation period, the total cost is required, when re-ordering will be done , as well as how much inventory to latex in the warehouse. Based on these results, it was found that the optimal size of the book is the same as the demand for each period (reservation is made each period) due to a cyclical pattern of demand and decreases throughout the planning period. Value of the stock or safety stock is located in Kg 114,282.20, and re-ordering time (reorder point) to cope with fluctuations do when the stock has reached a level of 333,130.95 kg.Keywords: Forecasting, Time Wait, Lot Size, Safety Supplies, Reorder

Strategi Inovasi Industri Kecil Suku Cadang di Kota Padang Dina Rahmayanti; Widya Marcelena
Jurnal Optimasi Sistem Industri Vol. 11 No. 2 (2012): Published in 1st October 2012
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Small and medium enterprises in Indonesia gave big contributions to create job opportunities for community and increased Gross Domestic Product. Unfortunately, the current SMEs did not get any respect from the government. This is evidenced by many problems that happened with SMEs in Indonesia. Agency Statistic Center conducted survey in 2009 and 2010 and identified causes of the problems are availability of raw materials, financial problem, marketing, fuel or energy, transportation, skills, payment and many others. Formulation of the problems is how to design indicators of innovation that can be used to make policy strategies to solve the problems. The objective of research is to recommend some innovation indicators for spare part in Padang and use the indicators to make innovation policies. Method to determine the ability innovation of spare parts industries is Quality Function Deployment (QFD). The first stage is identify consumer needs. Consumer needs obtained from literatures and interviewed of stakeholders. Then, calculated based on customer importance ratings to obtain critical and non critical indicators. Indicators will be presented into the House of Quality (HOQ). The results of HOQ are determined some strategies by using SWOT analysis. This research result obtained 25 innovation indicators of technology that is divided into three aspects such as technology aspects, design and product quality aspects. Strategy formulation from SWOT analysis result some strategies with 4 categories and among of them are SO strategy (4 strategies), WO strategy (5 strategies), ST strategy (4 strategies), and WT strategy (3 strategies). Besides that, strategy architecture will present strategy implementation for 10 years and completed with some people that have participation to make this strategy implementation successful.Keywords: Indicator, small industries, innovation, strategy, production technology

Perancangan Model Pengukuran Kinerja Lean dan Green Rantai Pasok Semen Secara Terintegrasi Rahmayanti, Dina; Putri, Utari
Jurnal Optimasi Sistem Industri Vol. 10 No. 2 (2011): Published in October 2011
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Abstract PT. Semen Padang is one of the reputable cement companies in Indonesia which is producing types of cement. Implementation of supply chain concept in PT. Semen Padang is very important to satisfy customers and stakeholders requirement. Performance measurement is a process to evaluate the supply chain effectiveness and efficiency in lean and green aspect. The problem is how to design performance measurement model which is integrating lean and green supply chain concepts. The objective of research is integrating lean and green supply chain concepts to design supply chain performance measurement of bag cement type. Integration of lean and green concept is designed by Balanced Scorecard (BSC) perspectives that consist of financial, customer, internal process business and learning and growth. Key performance indicators (KPI) are formulated and classified based on BSC perspectives. Next stage is pair wise comparison process to the weight value. Evaluation of KPI pair wise comparison based is conducted on expert opinion which is selected by consideration of their relevance knowledge and experience. The process of pair wise comparison is calculated to determine priority of the KPIs based on weight value by using Analytical Hierarchy Process (AHP) method. The weight of KPI will be arrange by descending to determine the priority. Model of performance measurement is validated by face validity method. Research result is obtaining 25 KPIs that derived from integration of lean and green supply chain concept of bag cement type. Grouping is consisting of 3 KPIs of financial, 4 KPIs of customer, 11 KPI s of internal process business and 7 KPI s of learning & growth. Result is showing that customer is most prioritized element in supply chain of bag cement type. Implementation of proposing model is coordination of departments and employee in context of information accessibility.

Model Kebijakan Perkebunan Nilam di Pasaman Barat dengan Pendekatan Sistem Dinamis Rahmayanti, Dina; Hadiguna, Rika Ampuh Hadiguna; Santosa, Santosa; Nazir, Novizar
Jurnal Optimasi Sistem Industri Vol. 18 No. 1 (2019): Published April 2019
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

This study aims to design a model by providing several policy alternatives that are useful to assist the government in determining appropriate policies in increasing patchouli oil production from the supply aspect. The supply to be studied is patchouli plantations. The plantation is one of the important aspects affecting patchouli oil production. The choice of alternatives is based on testing alternative policies on a computerized model. Patchouli plantation models are made in line with real systems using system dynamics. From the results of the study, there are several policy alternatives that can be taken by the government, policies related to land expansion and conversion, policies related to increasing agricultural production, policies related to human resource improvement, policies related to agricultural equipment assistance and policies related to the use of superior seeds in plantations.

Analisis Bahaya Fisik: Hubungan Tingkat Pencahayaan dan Keluhan Mata Pekerja pada Area Perkantoran Health, Safety, and Environmental (HSE) PT. Pertamina RU VI Balongan Rahmayanti, Dina; Artha, Angela
Jurnal Optimasi Sistem Industri Vol. 14 No. 1 (2015): Published in April 2015
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.v14.n1.p71-98.2015

The eyes are part of the body that must be protected workers safety and health. Sufficient light is one of the most important aspects that determine the health of the eye, excellent lighting intensity affects the eyes. This study was performed at PT Pertamina RU VI Balongan, based on observation in the work area, it is necessary to evaluate the intensity of light and eye strain workers in a unit of PT. Pertamina Refinery Unit VI Balongan.Be collected from primary and secondary data and processing in the form of statistical testing using Microsoft Excel and SPSS Software 2.0. Tests conducted on four types of questionnaires and data variables intensity lighting in the office area of HSE unit RU VI Balongan.There are 12 rooms which have the following illumination standard (under 300 lux). Based on a statistical test between the variable quality of the lighting of the eye complaints get results there are two variables that have a relationship. In addition, all respondents had complaints of eye fatigue that varies with the highest percentage of 80% with complaints of eye feel sleepy and 63% of workers feel pain in the neck or shoulder.

Analisis Pengaruh Kepemimpinan, Motivasi, Lingkungan Kerja, dan Kedisplinan Terhadap Kinerja Karyawan (Studi Kasus: Operator Welding 1A, PT. XYZ Motor) Rahmayanti, Dina; Afandi, Idham
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

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.

Perancangan Sistem Informasi pada Bagian Gudang PT. PN VI Unit Usaha Ophir Rahmayanti, Dina; Afrinando, Ringgo
Jurnal Optimasi Sistem Industri Vol. 12 No. 2 (2013): Published in October 2013
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Sistem Informasi adalah sistem buatan manusia yang terdiri dari komponen-komponen dalam organisasi untuk dapat menyajikan informasi . Sebuah sistem informasi yang baik dapat meningkatkan kinerja dari semua kegiatan dalam perusahaan yang didukung oleh data yang akurat dan lebih aman , sehingga semua kegiatan dapat berjalan lebih efektif. PTPN 6 Satuan Usaha Ophir adalah salah satu perusahaan yang bekerja di industri manufaktur pengolahan minyak sawit . Salah satu bagian dari perusahaan ini yang penting adalah penyimpanan . Hal ini penting di gudang adalah pencatatan data barang yang ada . Dalam bagian ini ada sistem yang kurang baik dimana pencatatan data secara manual sehingga dapat mempengaruhi munculnya kesalahan . Oleh karena itu, dibutuhkan perancangan suatu sistem informasi item data sehingga waktu yang dibutuhkan untuk mencari data tidak panjang dan menyederhanakan aliran informasi. Perancangan sistem informasi ini melalui beberapa tahapan dimulai dengan survei pada perusahaan , masalah identifikasi , analisis sistem , desain model menggunakan UML dan akhirnya dengan merancang sistem informasi dengan menggunakan database dan aplikasi dengan PHP – MySQL

Optimalisasi Sistem Persediaan Bahan Baku Karet Mentah (Lateks) dengan Metode Lot Sizing (Studi Kasus: PT Abaisiat Raya) Rahmayanti, Dina; Fauzan, Ahmad
Jurnal Optimasi Sistem Industri Vol. 12 No. 1 (2013): Published in April 2013
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.v12.n1.p317-325.2013

PT Abaisiat Raya is one of the manufacturers of rubber crumb (crumb rubber) in the city of Padang. Latex inventory management system at PT Abaisiat Kingdom basically signinfikan still need improvement. It is based on the planning activities in the warehouse inventory of raw materials firms irregular, thus causing excess stock (over stock) at a time and shortage of stock (stock out) at other times. Process optimization is done with latex inventory system involving factors such as demand forecasting production planning or latex needs during the period of next 12 (in 2012), the costs involved, the waiting time (lead time), the implementation of forecasting methods, determination of size lots (lot sizing), the determination of safety stock (safety stock), and re-ordering time (reorder point), so the output will get a number of requests are for 12 periods ahead, the size of each reservation period, the total cost is required, when re-ordering will be done , as well as how much inventory to latex in the warehouse. Based on these results, it was found that the optimal size of the book is the same as the demand for each period (reservation is made each period) due to a cyclical pattern of demand and decreases throughout the planning period. Value of the stock or safety stock is located in Kg 114,282.20, and re-ordering time (reorder point) to cope with fluctuations do when the stock has reached a level of 333,130.95 kg.

Strategi Inovasi Industri Kecil Suku Cadang di Kota Padang Rahmayanti, Dina; Marcelena, Widya
Jurnal Optimasi Sistem Industri Vol. 11 No. 2 (2012): Published in October 2012
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.v11.n2.p265-278.2012

Small and medium enterprises in Indonesia gave big contributions to create job opportunities for community and increased Gross Domestic Product. Unfortunately, the current SMEs did not get any respect from the government. This is evidenced by many problems that happened with SMEs in Indonesia. Agency Statistic Center conducted survey in 2009 and 2010 and identified causes of the problems are availability of raw materials, financial problem, marketing, fuel or energy, transportation, skills, payment and many others. Formulation of the problems is how to design indicators of innovation that can be used to make policy strategies to solve the problems. The objective of research is to recommend some innovation indicators for spare part in Padang and use the indicators to make innovation policies. Method to determine the ability innovation of spare parts industries is Quality Function Deployment (QFD). The first stage is identify consumer needs. Consumer needs obtained from literatures and interviewed of stakeholders. Then, calculated based on customer importance ratings to obtain critical and non critical indicators. Indicators will be presented into the House of Quality (HOQ). The results of HOQ are determined some strategies by using SWOT analysis. This research result obtained 25 innovation indicators of technology that is divided into three aspects such as technology aspects, design and product quality aspects. Strategy formulation from SWOT analysis result some strategies with 4 categories and among of them are SO strategy (4 strategies), WO strategy (5 strategies), ST strategy (4 strategies), and WT strategy (3 strategies). Besides that, strategy architecture will present strategy implementation for 10 years and completed with some people that have participation to make this strategy implementation successful.

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