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INDONESIA
Jurnal Teknik Industri
ISSN : 14112485     EISSN : 20877439     DOI : -
Core Subject : Engineering,
Jurnal Teknik Industri aims to: Promote a comprehensive approach to the application of industrial engineering in industries as well as incorporating viewpoints of different disciplines in industrial engineering. Strengthen academic exchange with other institutions. Encourage scientist, practicing engineers, and others to conduct research and other similar activities.
Arjuna Subject : -
Articles 8 Documents
Search results for , issue "Vol. 15 No. 2 (2013): DECEMBER 2013" : 8 Documents clear
A Variable Neighborhood Search-Based Heuristic for the Multi-Depot Vehicle Routing Problem Arif Imran
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (791.544 KB) | DOI: 10.9744/jti.15.2.95-102

Abstract

The multi-depot vehicle routing problem (MDVRP) is addressed using an adaptation of the variable neighborhood search (VNS). The proposed VNS algorithm besides using several neighborhoods and a number of local searches has a number of additional features. These include a scheme for identifying borderline customers, a diversivication procedure and a mechanism that aggregates and disaggregates routes between depots. The proposed algorithm is tested on the data instances from the literature and produces competitive results.
Modeling the Competitiveness of Indonesian Palm Oil Industry: A Conceptual Model Using Hierarchical Multi-Level System Approach Roland Y.H. Silitonga; Senator Nur Bahagia; Tota Simatupang; Joko Siswanto
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (650.224 KB) | DOI: 10.9744/jti.15.2.103-110

Abstract

Indonesian Palm Oil Industry has the largest market share in the world, but still faces problems in order to strengthen the level of competitiveness. Those problems are in the industry chains, government regulation and policy as meso environment, and macro economic condition. Therefore these three elements should be considered when analyzing the improvement of competitiveness. Here, the governmental element is hoped to create a conducive environment. This paper presents the industry competitiveness conceptual model, using hierarchical multilevel system approach. The Hierarchical multilevel system approach is used to accommodate the complexity of the industrial relation and the government position as the meso environment. The step to develop the model firstly is to define the relevant system. Secondly, is to formulate the output of the model that is competitiveness in the form of indicator. Then, the relevant system with competitiveness as the output is built into a conceptual model using hierarchical multilevel system. The conceptual model is then discussed to see if it can explain the relevant system, and the potential of it to be developed into mathematical model.
Handling Optimization under Uncertainty Problem Using Robust Counterpart Methodology Diah Chaerani; Cornelis Roos
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.134 KB) | DOI: 10.9744/jti.15.2.111-118

Abstract

In this paper we discuss the robust counterpart (RC) methodology to handle the optimization under uncertainty problem as proposed by Ben-Tal and Nemirovskii. This optimization methodology incorporates the uncertain data in U a so-called uncertainty set and replaces the uncertain problem by its so-called robust counterpart. We apply the RC approach to uncertain Conic Optimization (CO) problems, with special attention to robust linear optimization (RLO) problem and include a discussion on parametric uncertainty for that case. Some new supported examples are presented to give a clear description of the used of  RC methodology theorem.
Sustainable Livestock Farming for Improving Socio-Economic Condition Mohammad Shamsuddoha; Mohammed Quaddus; Desmond Klass
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.997 KB) | DOI: 10.9744/jti.15.2.67-76

Abstract

Sustainability is the most effective concept to improve socio-economic condition, including environment. Constructive socio-economic changes are getting priority in recent years among academia and business sector in Bangladesh. Bangladesh poultry sub-sector has long supply chains having associated with various stakeholders. In this paper, a case poultry farm was taken to examine a production process that links with socio-economic benefits. Design science method under the quantitative paradigm was chosen to develop a model for the case industry. A Simulation model was developed using simul8 software to construct the real poultry operation. The objectives of this paper are to construct a sustainable model for a case poultry industry along with socio-economic issues. Later, simulated model output will examine it through various performance indicators (KPIs) to find out the impacts on socio-economic benefits. Numbers of KPIs have been briefly discussed in light of the research problem to illustrate positive effects of sustainable production.
The Relationship between Logistics and Economic Development in Indonesia: Analysis of Time Series Data Mohammad Reza
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.981 KB) | DOI: 10.9744/jti.15.2.119-124

Abstract

This paper investigates the relationship between logistics and economic development in Indonesia using time series data on traffic volume and economic growth for the period from 1988 to 2010. Literature reviews were conducted to find the most applicable econometric model. The data of cargo volume that travels through sea, air and rail is used as the logistics index, while GDP is used for the economic index. The time series data was tested using stationarity and co-integration tests. Granger causality tests were employed, and then a proposed logistic model is presented. This study showed that logistics plays an important role in supporting and sustaining economic growth, in a form where the economic growth is the significant demand-pull effect towards logistics. Although the model is developed in the context of Indonesia, the overall statistical analysis can be generalized to other developing economies. Based on the model, this paper presented the importance of sustaining economic development with regards continuously improving the logistics infrastructure.
The Importance of Supply Chain Management on Financial Optimization Arawati Agus
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.867 KB) | DOI: 10.9744/jti.15.2.77-84

Abstract

Many manufacturing companies are facing uncertainties and stiff competition both locally and globally, intensified by increasing needs for sophisticated and high value products from demanding customers. These companies are forced to improve the quality of their supply chain management decisions, products and reduce their manufacturing costs. With today’s volatile and very challenging global market, many manufacturing companies have started to realize the importance of the proper managing of their supply chains. Supply chain management (SCM) involves practices such as strategic supplier partnership, customer focus, lean production, postpone concept and technology & innovation. This study investigates the importance of SCM on financial optimization. The study measures production or SCM managers’ perceptions regarding SCM and level of performances in their companies. The paper also specifically investigates whether supply chain performance acts as a mediating variable in the relationship between SCM and financial optimization. These associations were analyzed through statistical methods such as Pearson’s correlation and a regression-based mediated analysis. The findings suggest that SCM has significant correlations with supply chain performance and financial optimization. In addition, the result of the regression-based mediated analysis demonstrates that supply chain performance mediates the linkage between SCM and financial optimization. The findings of the study provide a striking demonstration of the importance of SCM in enhancing the performances of Malaysian manufacturing companies. The result indicates that manufac-turing companies should emphasize greater management support for SCM implementation and a greater degree of attention for production integration and information flow integration in the manufacturing system in order to maximize profit and tzerimize cost.
Image-based Analysis for Characterization of Chicken Nugget Quality Chumpol Yuangyai; Piyaphorn Matvises; Udom Janjarassuk
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (417.078 KB) | DOI: 10.9744/jti.15.2.125-130

Abstract

Appearance, colors and adhesion characteristics of chicken nugget are important to customer satisfaction and buying decision. These characteristics are generally inspected by hu-man, thus, the inspectors might incorrectly judge. In addition, the results are not quantitatively recorded for further analysis and improvement. Therefore, this study focuses on constructing a measurement instrument for detecting the qualities of chicken nugget, then gage repeatability and reproducibility (GR&R) study is used to ensure that the instrument is capable of dis-tinguishing nugget differences. Since, there are eleven characteristics of chicken nugget are analyzed. The principal component analysis is applied to reduce the number of characteristics from eleven dimensions to only four dimensions. The experiments and data analysis show that the dimension reduction is useful for rapidly detect the abnormality of nuggets and finally help practitioners to improve the process.
The Consumers Characteristics Analysis of Low Temperature Home Delivery Shu-Fang Lai
Jurnal Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (452.949 KB) | DOI: 10.9744/jti.15.2.85-94

Abstract

Because of technological advancements and the popularity of the Internet, online shopping has become an important shopping channel for consumers. Because people increasingly eat out, more consumers shop online, and food products are collected from convenience stores, or frozen food home delivery services are used. This study used questionnaire surveys to analyze the consumption habits of residents who shop online for frozen foods in the urban areas of northern Taiwan (Taipei City and New Taipei City). We distributed and collected 548 questionnaires, of which 484 were valid. Descriptive statistics, a chi-square test, and logistics regression analysis were used to analyze consumer characteristics, as well as important influential factors. The research results indicated that most online shoppers were women, and the top 3 factors influencing their purchasing decisions were freshness, delivery convenience, and ordering convenience. Participants in the age group of 40-49 years old, living in the urban area of New Taipei City, without junior college education, and with less than 10,000 NTD monthly incomes, were less likely to purchase frozen foods using low-temperature logistics services.

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