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Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri

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Published by Universitas Kristen Petra Surabaya

ISSN : 14112485 EISSN : 20877439 DOI : -

Core Subject : Engineering,

Industrial & Manufacturing 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.

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Articles 412 Documents

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HUBUNGAN KNOWLEDGE SHARING BEHAVIOR DAN INDIVIDUAL INNOVATION CAPABILITY Hilmi Aulawi; Rajesri Govindaraju; Kadarsah Suryadi; Iman Sudirman
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 11 No. 2 (2009): DECEMBER 2009
Publisher : Institute of Research and Community Outreach - Petra Christian University

This paper is based on an idea that employee’s capability to create innovation is a key factor which will determine company’s ability to survive a tough competition. Some researchers argue that employee’s capability to innovate can be enhanced by improving knowledge sharing activities. Through such activities, knowledge can be shared out, implemented, and developed. Additionally, it stimulates employees to think more critically and creatively so as to create advantageously new knowledge. Therefore, the objective of this paper is to analyze a relationship between employee’s behavioral knowledge sharing and individual innovation capability. This research uses a qualitative analysis and employs a case study of two telecommunication companies. Finally, this paper suggests that behavioral knowledge sharing encompasses an essential role in developing individual innovation capability. Abstract in Bahasa Indonesia: Penelitian ini dilatarbelakangi oleh suatu pandangan bahwa kemampuan karyawan untuk selalu menghasilkan inovasi, merupakan faktor kunci bagi suatu perusahaan untuk dapat bertahan dalam kondisi persaingan yang ketat. Beberapa peneliti berpandangan bahwa salah satu upaya yang dipandang efektif dalam meningkatkan kemampuan inovasi karyawan di perusahaan adalah melalui pengembangan aktivitas knowledge sharing (KS), karena melalui aktivitas tersebut, knowledge dapat disebarkan, diimplementasikan dan dikembangkan. Di sisi lain, KS dapat merangsang individu untuk mampu berfikir lebih kritis dan kreatif, sehingga pada akhirnya dapat menghasilkan knowledge baru yang berguna bagi perusahaan. Oleh sebab itu, penelitian ini bertujun untuk menganalisis hubungan antara KS behavior karyawan dengan individual innovation capability. Penelitian menggunakan analisis kualitatif. Melalui case study di dua perusahaan yang bergerak dalam bidang telekomunikasi di Indonesia, diperoleh gambaran bahwa KS behavior berperan dalam mendorong individual innovation capability. Kata kunci: knowledge sharing behavior dan individual innovation capability.

BUSINESS PROCESS REENGINEERING: CONCEPTS CAUSES AND EFFECT Bernardo Nugroho Yahya
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 4 No. 2 (2002): DECEMBER 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

Some people made a wrong concept about Business Process Reengineering (BPR). Some were misunderstanding about the BPR term. In other way, so many researches were introduced to describe a better definition about BPR. The thinking about concepts, causes, and effect of BPR will make a new perception about the term of BPR itself as a better methodology instead of the other Quality Management Methodology such as Total Quality Management (TQM), Just In Time (JIT), etc. This paper will mention the context of BPR in some of case study's journal.

Optimisasi Portofolio Mean-VaR di bawah CAPM Transformasi Koyck dengan Volatilitas Tak Konstan dan Efek Long Memory Sukono Sukono; Subanar Subanar; Dedy Rosadi
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 12 No. 2 (2010): DECEMBER 2010
Publisher : Institute of Research and Community Outreach - Petra Christian University

In this paper we formulated mean-VaR portfolio optimization through CAPM Koyck transformation. We assumed that lagged of risk premium which have highly influence on stock returns is infinite, while model parameters decrease geometrically. We also assumed that rate of return in risk premium market index is not constant, in other word has a non-constant volatility rate, and also has a long memory effect. The later was analyzed using ARFIMA. Non constant volatility rate was modeled via GARCH model. The portfolio optimization was constructed using Langrangian multiplier and the Kuhn-Tucker theorem was employed to obtain the solution by the least square method. Finally, we provide a numerical example of the optimization model based on several stocks traded in Indonesian capital market.

ALGORITMA SIMULATED ANNEALING UNTUK PEMBENTUKAN SEL MESIN DENGAN DUA TIPE FUNGSI OBJEKTIF DAN DUA CARA PEMBATASAN SEL Henry Pantas Panggabean
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 6 No. 1 (2004): JUNE 2004
Publisher : Institute of Research and Community Outreach - Petra Christian University

This article presents the implementation of simulated annealing (SA) algorithm to solve machine cell formation problem in group technology, with two types of objective function, i.e. minimization of intercellular part move and minimization of bottleneck machine duplication. There are also two ways for users to arrange the cell structure, i.e. define the upper bound of cell size or set the number of cells in final solution. This SA algorithm is then applied to solve some test cases with various size found in literature and proves itself to be able to achieve solutions with better quality then ones recorded in literature in some test cases. Meanwhile, number of iterations or the amount of computation time needed by this algorithm to proceed its best solution is quite small. Abstract in Bahasa Indonesia : Artikel ini menguraikan penerapan algoritma simulated annealing (SA) untuk menyelesaikan masalah pembentukan sel mesin dalam group technology dengan dua tipe fungsi objektif, yaitu minimasi jumlah perpindahan part antar sel dan minimasi jumlah duplikasi mesin bottleneck. Juga disediakan dua alternatif pembatasan sel bagi pengguna, yaitu penetapan batas atas ukuran sel atau penetapan jumlah sel mesin yang dikehendaki. Algoritma ini diujikan terhadap beberapa kasus uji dengan berbagai ukuran dalam literatur dan terbukti dapat menghasilkan kualitas solusi lebih baik dalam beberapa kasus dibandingkan yang tercatat dalam literatur. Sedangkan jumlah iterasi (waktu komputasi) yang dibutuhkan algoritma SA untuk mencapai solusi terbaiknya tergolong cukup kecil. Kata kunci: teknologi grup, pembentukan sel mesin, perpindahan antar sel, algoritma simulated annealing

THE APPLICATION OF FEATURE TECHNOLOGY IN DEVELOPING A CAD-BASED HIGH LEVEL PROCESS PLANNING SYSTEM Ade Febransyah
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 7 No. 1 (2005): JUNE 2005
Publisher : Institute of Research and Community Outreach - Petra Christian University

High-level process planning plays an important role in determining candidate process domains at the configuration design stage. Changing the process domains later increases the product development cycle and the product development cost. Therefore, determining the most appropriate manufacturing processes at the beginning stages of the design process becomes critical. However, high-level process planning systems have traditionally lacked integration of design synthesis and design evaluation. The objective of this paper is to propose a CAD-based high-level process planning system that will help designers decide whether or not the designs are worth pursuing. A hybrid approach incorporating design by feature and feature recognition approaches is proposed and implemented. Synergizing both advantages of both approaches will reduce the complexity of feature recognition algorithm without sacrificing the flexibility in creating a part model.

Handling Optimization under Uncertainty Problem Using Robust Counterpart Methodology Diah Chaerani; Cornelis Roos
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 15 No. 2 (2013): DECEMBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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.

Dairy Supply Chain Risk Management in Bangladesh: Field studies of Factors and Variables Tasnuba Nasir; Mohammed Quaddus; Mohamamd Shamsuddoha
Jurnal Teknik Industri Vol. 16 No. 2 (2014): DECEMBER 2014
Publisher : Institute of Research and Community Outreach - Petra Christian University

Supply chain risk management (SCRM) has gained wide attention among the academia and the business community in the present competitive business world. This paper aims to investigate the main risk factors associated with the dairy industry along with focuses on possible mitigation strategy to mitigate those risks. Qualitative field study has been undertaken in this research. The results of the interviews identify the different risk issues along with the possible mitigation strategies, embedded at storage, processing and distribution level in dairy industry of Bangladesh. The practical implication will contribute significantly to the dairy sector in terms of mitigating risks.

KAPASITAS ANGKAT BEBAN UNTUK PEKERJA INDONESIA Dedik Santoso
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 8 No. 2 (2006): DECEMBER 2006
Publisher : Institute of Research and Community Outreach - Petra Christian University

The main objective of this study was to determine the maximum acceptable weight of lift (MAWL) for Indonesian population both males and females. The secondary objective was to develop models to predict the MAWL for Indonesian population based on anthropometric variables (sixteen variables) and job related variables (lifting frequency, lifting height, vertical distance of lift). A total of 80 subjects (female students, female workers, male students, and male workers) were used in this study, 20 people for each group. The subjects performed nine lifting tasks (combination of three frequencies and three lifting heights). Psychophysical methodology was used to determine MAWL. Subjects were asked to perform the lifting tasks with loads as much as they can without straining themselves and with the assumption that they work for eight hours per day. The models were developed using data from 75% of the subjects. The models were validated using the data from the other 25% of the subjects. Testing of the models revealed that general model developed for all subjects predicted lifting capacity as well as the specific models. Abstract in Bahasa Indonesia : Tujuan utama dari penelitian ini adalah untuk menentukan MAWL (Maximum Acceptable Weight of Lift) untuk orang Indonesia baik pria maupun wanita. Tujuan lain adalah menyusun suatu model yang bisa dipakai untuk memperkirakan MAWL orang Indonesia berdasarkan variabel anthropometri (16 varabel) dan variabel yang berhubungan dengan pekerjaaan (frekuensi angkatan, tinggi angkatan, jarak vertikal dari angkatan). Ada 80 orang sebagai subyek dalam penelitian ini yang terdiri dari mahasiswi, mahasiswa, pekerja wanita, pekerja pria masing-masing 20 orang. Setiap orang melakukan 9 jenis pekerjaan mengangkat beban (kombinasi antara 3 frekuensi dan 3 ketinggian angkat). Metode yang digunakan dalam menentukan MAWL adalah psychophysical. Dengan metode ini, setiap subyek diminta untuk melakukan pekerjaan mengangkat barang sesuai dengan frekuensi dan tinggi angkatan yang ditetapkan seberat mungkin sesuai dengan kemampuan mereka dengan asumsi bahwa mereka harus melakukan pekerjaan tersebut selama 8 jam setiap hari tanpa memaksa diri sendiri (untuk menghindari terjadinya cedera). Model yang dikembangkan diperoleh dari data 75% subyek sedangkan 25% dari subyek digunakan untuk validasi model tersebut. Dari pengujian model diperoleh bahwa model yang dikembangkan secara umum dapat digunakan secara cukup akurat terhadap model yang dikembangkan untuk masing-masing kelompok subyek. Kata kunci: anthropometry, tugas mengangkat, populasi Indonesia, kapasitas mengangkat, psychophysical, MAWL.

Information System Quality and Its Impact on Individual Users’ Benefit: Analysing the Role of Knowledge Enablers Iman Sudirman; Rajesri Govindaraju; Andara Arie Pratiwi
Jurnal Teknik Industri Vol. 16 No. 2 (2014): DECEMBER 2014
Publisher : Institute of Research and Community Outreach - Petra Christian University

With increasing competitive pressures, companies are trying to improve the quality of their processes and the work quality of their. This fact has triggered the companies to improve their information systems. Having made some investments in IT systems, those companies look for ways to gain benefits from their investments. The benefit from IS investment arise when the use of information system (IS) provides some positive impact to the organisation in terms of business impacts and individual impacts. Thus, investigating IS impact for individual user„s performance is very important. This study explores the effect of IS quality on individual benefits. The influence of six moderating variables related to knowledge enablers on the impact of IS quality on individual benefits was studied. The six moderating variables are: collaboration, trust, learning, centralisation, expertise, and formalisation. Data was collected using questionnaires distributed at two big private companies in Indonesia. Data processing was done with the help of SPSS software. After factor analysis, IS quality was split into two variables: Information quality and System and service quality. The study found that both the variables influence the perceived individual benefits significantly. The influence of information quality on individual benefit is positively moderated by expertise, learning, centralisation and formalisation. Finally, the influence of system and service quality on individual benefit is positively moderated by expertise and formalization.

Pengembangan Framework untuk Mengukur Tingkat Keberhasilan Implementasi Reverse Logistics Farida Pulansari; Dwi Sukma Donorianto; Iriani Iriani
Jurnal Teknik Industri Vol. 17 No. 2 (2015): DECEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Electronic Waste (E-waste) is growing attention at the end of this decade. E-waste must be managed properly. E-waste has a negative impact on the environment. E-waste contain B3 (Bahan Berbahaya dan Beracun). Reverse Logistics (RL) is one approach that able to solve these problems. The use of secondary materials through the process of remanufacturing, recycling, refurbishing, recondition are strategy to minimizing the number of e-waste. Many companies claim successfully implementing of RL. However, there are no clear indicators or parameters to assess the success of RL implementation. In this research we propose the design of reverse logistics maturity framework. Grounded Theory (GT) is chosen to design this framework. GT is a research methodology involving the construction of theory based on phenomena. This framework will be divided into five levels of maturity: Level Conventional, Managed, Developed, Innovative and Optimized. Results of research from three consumer electronics companies were in the Level Managed.

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