Jurnal Optimasi Sistem Industri

Jurnal Optimasi Sistem Industri
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    252 research outputs found

    Analisis Kepuasan Konsumen Terhadap Kualitas Pelayanan dan Harga Produk pada Supermarket dengan Menggunakan Metode Importance Performance Analysis (IPA)

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    Currently, the number of retail companies grow rapidly. This condition make high level competition between retailing in Indonesia and each of company need to have effective strategy to survive in retail business. Beside, a number of big company also take opportunity to expand retail business, not only into big size category (e.q. Hypermarket) but also into small size such as mini market. It can be big challenges for Small Medium Enterprise to handle this situation. The Objective of this paper is to explain the priority of importance factors of customer satisfaction in a supermarket, as a strategy for company to survive in retail business. Data is collected by spreading questioner to 385 respondents, and processed by using Importance-Performance Analysis (IPA) to compare between customer's expectations and company's perfomances. There are 11 factors that company must pay attention and it is shown in Cartesian Diagra

    Pengembangan Kualitas Pelayanan Produk Telekomunikasi Selular Diatas Kapal Menggunakan Metode Service Quality & Quality Function Deployment

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    The need for telecommunications, including the category of primary need for the people of Indonesia, one of the important aspects that need to be considered by the telecommunications company is a technological innovation that can cover all of Indonesia to outlying places, not only telecommunications on land even when in the middle of the ocean though. With Cellular Telecommunications Company cooperation to support the availability of telemetry, then develop into the greatest benefit is the availability of the Mobile phone network for the passengers on board, to continue to innovate and deliver the best to customers, the service providers must continue to improve quality. Research conducted using the SERVQUAL method to measure the quality of service based on the five dimensions of service quality by analyzing gaps that occurs due to a mismatch between customer expectations and perceptions of the quality of service received. In this study wants and expectations of consumers translated into House of Quality in Quality Function Deployment. Results of research propose using strategy value to get priority repairs according to the company's abilit

    Antara Desain Dan Product-Service Systems: Suatu Tinjauan Literatur

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    Persaingan bisnis global yang semakin ketat telah menyebabkan terjadinya pergeseran paradigma bisnis dari product-oriented menjadi penyediaan solusi yang memuaskan kebutuhan konsumen. Hal ini telah mendorong kemunculan konsep Product-Service Systems (PSS). Tulisan ini bertujuan untuk membahas hubungan antara konsep desain dan PSS berdasarkan literatur yang tersedia. Berdasarkan kajian yang dilakukan terhadap berbagai literatur tersebut dapat diambil kesimpulan bahwa PSS merupakan konsep yang diyakini sebagai jalan menuju sustainability melalui integrasi antara produk dan jasa dalam penyediaan solusi yang memenuhi kebutuhan spesifik konsumen. Proses desain PSS perlu memperhatikan kebutuhan konsumen dan stakeholder yang terkait melalui penggunaan metode dan pendekatan yang mampu mengintegrasikan pengembangan produk dan jasa dalam perspektif waktu yang sama.Evaluasi untuk mendukung keberhasilan implementasi PSS dapat dilakukan berdasarkan aspek sustainability, life cycle cost maupun berdasarkan perspektif konsumen dan penyedia

    Pengendalian Persediaan Bahan Baku Vulkanisir Ban (Studi Kasus: PT. Gunung Pulo Sari)

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    The problem of raw materials is the most fundamental issue for a manufacturing company, because the raw material is something that is very important for a production process. Companies must be able to maintain optimal raw material inventory that the production process can run smoothly so as to achieve the production target set by the company and can meet the demand of consumers. PT. Gunung Pulo Sari is one of the manufacturing company engaged in tire retreading. Here there are two types of main raw material of the tire retreading process is the rubber cold rare steak to cook and cook to cook hot rubber. PT. Gunung Sari Pulo do not meet the criteria of good inventory management. So far the company in order raw materials only based on estimates only. We conducted this study in order PT. Gunung Sari Pulo can manage them inventory system by finding the optimum safety stock, determine the total cost of the minimum size of the buyer to use the dynamic method, and the reorder point. Based on the research that has been done then the obtained value of safety stock is 18 units, the total minimum cost is Rp. Rp. 133 991 672, and reordering time (Reorder point) is 93 units

    Evaluasi Kenyamanan Termal Ruang Sekolah SMA Negeri di Kota Padang

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    This research aims to determine thermal conditions and sensation of thermal comfort in classrooms of high schools in Padang. This study was conducted in 11 State Senior High School (SMA) represented 11 districts in Padang. About 10% of total student body in each schools were participated in this study to vote thermal comfort questioners. To determine thermal comfort level in this study, PMV (Predicted mean Vote) and PPD (Predicted Percentage of dissatisfied) method were used according to standard of thermal comfort in ASHRAE 55-2005 and ISO 7730. PMV method is used to determine scope of situation in the environment that scaled from +3 for very hot until -3 for very cold, and PPD is a method to calculate the number of human (in percentage) dissatisfied with the environment. Calculated PMV and PPD were compared with PMV and PPD resulted from individual vote from questionnaires. Result showed that in general, thermal conditions in classrooms had air temperature and radiant temperature from 27oC – 30oC, air humidity from 68% - 80%, and wind speed of 0 m/s. Calculated PMV from this condition were ranging from +1 slightly warm) until +2 (warm) while PPD calculated greater than 20%. Compared with calculated PMV and PPD values, the individual vote showed values from +0,5 (neutral) until +1 (slightly warm) while PPD values of individual vote greater than 20% except for SMA 2 and SMA 11 Padang. It is concluded that improvements of indoor thermal conditions have to make inside classrooms as well as landscape outside in order to improve thermal comfort level of students during learning and teaching

    Optimalisasi Sistem Persediaan Bahan Baku Karet Mentah (Lateks) dengan Metode Lot Sizing (Studi Kasus: PT Abaisiat Raya)

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    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

    Perancangan Sistem Informasi Manajemen Rantai Pasok Minyak Sawit Mentah Berbasis GIS

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    This study discusses about information systems of CPO supply chain management in PTPN 6 Ophir. PTPN 6 management still use the conventional system (archival documents) in running their business. This information is not yet integrated with the map of plantation, so it will allow errors and inaccuracies in the planning, management and maintenance of oil palm plantations. Otherwise, the output from the production and processing of FFB to CPO and Palm Kernel also has not been well managed. So this would have difficulties in data storage on the the plantation and harvest information and to make decision for the FFB receiving division and distribution of CPO and Palm Kernel. Therefore needed a system that can control the activities in the oil palm plantation and processing by utilizing information technology system that integrates mapping and data information in a software that will facilitate decision making for planning and maintenance. The stages of the study consist of preliminary study, the selection method of problem solving, designing model system, database and software design and verification and validation of the model system. The study used primary data and secondary data. The primary data includes interviews about the company's business processes and the mechanisms of oil production. Secondary data includes administrative forms such as SPB, form the collection of FFB, weight measurement form and daily report sheet of factory. Model systems in the information system design used Object Oriented Analysis and Design method. This method will considers and designing systems with focusing the objects associated with the system. Verification results of the design has been done by using the method of Computerized Model Verification. This method to see whether the information system has been designed to run properly with the conceptual model of the system. Validation has been done by using Operational Validity. Validity Operational techniques used Black Box Test Method or directly test by the person that understand the issues in study. The results was Information System Software Design of CPO Supply Chain Management at PTPN 6 already integrates all data and information on the plantation, processing and marketing of CPO and palm kernel oil in a web-based application with support for spatial data processing in online mapping format. The system model can be seen through the business process diagram, use case diagram, class diagram and entity relationship diagram

    Meminimalisasi Nilai Error Peramalan dengan Algoritma Extreme Learning Machine

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    This study uses a machine learning algorithm which is the extreme model one of the new learning method of neural networks. Determining the value of forecasting based on actual value. Output generated more quickly in this process, because the learning done in a fast speed and better accuracy rate than conventional forecasting methods. Epoch using the parameter changes and changes in the range of accuracy of test results demonstrate the value of error is quite good during the system testing

    Analisis Kompetensi Kewirausahaan Industri Kecil Suku Cadang di Kota Padang

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    As economic development and current technology, there tends to SMEs have been reversed there is some effort to close down due to lack of existing orders in the business. Therefore, the government made efforts to assist existing SMEs to be able to survive in the face of global crisis is happening right now. These efforts may include providing small loans and may include training services in accordance with its business. One of the materials provided in the training is about entrepreneurship so that SMEs are expected to compete with similar companies. The low ability entrepreneur pointed out as one of the reasons SMEs are not able to compete with large companies, such as SI (Small Industry) Spare Parts in the city of Padang. The failure to penetrate IK Parts of competition to supply spare parts in the PT. Semen Padang because of its low ability entrepreneur is owned by SI. With no indicator of entrepreneur ability, there are some problems for governments about policies that will be taken for judge the SI. Therefore, the entrepreneur ability should be decided to helps government in decisions making of policies, so that SI can be competing with larger companies. The method that been used in this study is the Quality Function Deployment (QFD) and the recommendations for policies that can be used by the government by using SWOT analysis. QFD is used to identify consumer needs and its association with the characteristic techniques provided by the government, so that the final results are the critical competencies that should be developed first. The linkage between the needs of consumers with technical characteristics reflected in the House of Quality (HOQ). While the results of the SWOT analysis are four types of strategies which can be used later by using the strategy outlined in the strategy implementation architecture for 10 years. This research resulted in 25 indicators of entrepreneurial competencies that include Human Resources (HR), financial, and research and development which consist of eight aspects. The resulting formulation of strategies using SWOT analysis generates SO Strategies (5 strategies), WO Strategies (7 strategies), ST Strategies (7 strategies), and WT Strategies (5 strategies). The design of the implementation of the strategy is planned for 10 years which is reflected in the architecture of the strategy and its implementation strategies. &nbsp

    Perancangan Model Pengukuran Kinerja Green Supply Chain Pulp dan Kertas

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    Green supply chain performance measurement system is required to manage environmental risk, increase competitive and obtain appropriate strategy for company. Performance measurement system in PT RAPP only focus on midstream and downstream operation related with manufacturing processes and supplier. The problem is how to redesign existing performance measurement system for pulp and paper in PT RAPP, so that downstream operation related with distributor can be integrated into green supply chain performance measurement system. Research objective designing conceptual and computer model for green supply chain measurement of pulp and wherein information entire supply chain can be managed well. Conceptual model is designed with involving activities such as stakeholder identification, stakeholder green requirement analysis, green objective identification, and KPI weighting. Supply chain operations reference (SCOR) metric is applied to identify key performance indicator (KPI). KPI weighting is determined by AHP method. Computer application is designed by combining database, mathematical formulation, and user interface. it is designed to implement conceptual model. Research result is consisting of two levels with fifteen objectives and twenty seven KPI’s. Proposed application has capability to support decision maker in calculating partial and total performance measure each period. It is designed specifically with quantitative measure to support operational decision making related with environmental aspect

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