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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 405 Documents

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INOVASI DAN STRATEGI PENCAPAIANNYA Liem Ferryanto
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

Innovation is the way of life of any institution to profitably sustain its life. It starts with empathy, the ability to reach outside of ourselves and walk in someone else’s shoes, and optimal implementation of the newly advanced technology. Innovation shows its results through continuously hard working efforts known as "10 Thousand Hours Rule". As world uncertainty creates complexity we, instead of predicting, should therefore anticipate the future by creating and managing real options on contingent projects or elements of alternative optimal strategies. This should reflect into our portfolio strategy. Abstract in Bahasa Indonesia: Inovasi merupakan darah bagi suatu institusi untuk bisa hidup berkelanjutan serta menguntungkan. Inovasi berupa penemuan baru secara sistematis yang berawal dari empati, kemampuan untuk melihat dunia melalui mata orang lain, dan pemanfaatan secara optimal kemajuan teknologi yang ada. Inovasi baru menghasilkan buahnya melalui kerja keras, yaitu dengan mengikuti “Aturan 10 Ribu Jam” secara berkesinambungan. Ketidakpastian, interaksi, keterbatasan dan degradasi menciptakan kompleksitas tentang kebutuhan dan solusi di masa depan. Oleh sebab itu daripada meramalkan risiko yang bakal terjadi, kita sebaiknya memasang strategi berupa skenario untuk mereduksi akibat dari risiko masa depan yang tidak kita mengerti. Skenario ini dapat diperoleh lewat penciptaan dan penanganan beberapa pilihan nyata atas semua proyek antisipatif yang ada. Kata kunci: Inovasi, ketidakpastian dan kompleksitas, aturan 10 ribu jam, paradoks strategi, peta jalan, empati, kerja berkesinambungan.

PERBANDINGAN KINERJA ALGORITMA GENETIKA DAN SIMULATED ANNEALING UNTUK MASALAH MULTIPLE OBJECTIVE PADA PENJADWALAN FLOWSHOP I Gede Agus Widyadana; Andree Pamungkas
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 4 No. 1 (2002): JUNE 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

The research is focused on comparing Genetics algorithm and Simulated Annealing in the term of performa and processing time. The main purpose is to find out performance both of the algorithm to solve minimizing makespan and total flowtime in a particular flowshop system. Performances of the algorithms are found by simulating problems with variation of jobs and machines combination. The result show the Simulated Annealing is much better than the Genetics up to 90%. The Genetics, however, only had score in processing time, but the trend that plotted suggest that in problems with lots of jobs and lots of machines, the Simulated Annealing will run much faster than the Genetics. Abstract in Bahasa Indonesia : Penelitian ini difokuskan pada pembandingan algoritma Genetika dan Simulated Annealing ditinjau dari aspek performa dan waktu proses. Tujuannya adalah untuk melihat kemampuan dua algoritma tersebut untuk menyelesaikan problem-problem penjadwalan flow shop dengan kriteria minimasi makespan dan total flowtime. Kemampuan kedua algoritma tersebut dilihat dengan melakukan simulasi yang dilakukan pada kombinasi-kombinasi job dan mesin yang berbeda-beda. Hasil simulasi menunjukan algoritma Simulated Annealing lebih unggul dari algoritma Genetika hingga 90%, algoritma Genetika hanya unggul pada waktu proses saja, namun dengan tren waktu proses yang terbentuk, diyakini pada problem dengan kombinasi job dan mesin yang banyak, algoritma Simulated Annealing dapat lebih cepat daripada algoritma Genetika. Kata kunci: Algoritma Genetika, Simulated Annealing, flow shop, makespan, total flowtime.

Pengembangan Graph Mining untuk Prediksi Jaringan Kerja Sistem Pembayaran dalam Real Time Gross Settlement Berbasis Clearing House Saiful Bukhori; Mochamad Hariadi; I Ketut Eddy Purnama; Mauridhi Heri Purnomo
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 12 No. 1 (2010): JUNE 2010
Publisher : Institute of Research and Community Outreach - Petra Christian University

This research develops the settlement mechanism in the Real Time Gross Settlement using so called clearing house through a serious game method. In this approach banks are represented as nodes that do the settlement process according to the simple rules. Moreover, the graph mining approach is used for predicting the activity networks on those banks. As the result, for constant nodes indicate that the more the activity networks among banks are available, the more the activity networks can be identified. Furthermore, the smaller the differences among the bank health’s level are, the greater the network activities can be identified. This behavior is a consequence of chosen fixed point assumption.

STUDI TENTANG TRAVELLING SALESMAN DAN VEHICLE ROUTING PROBLEM DENGAN TIME WINDOWS I Nyoman Sutapa; I Gede Agus Widyadana; Christine Christine
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 5 No. 2 (2003): DECEMBER 2003
Publisher : Institute of Research and Community Outreach - Petra Christian University

The article shows the study of model development of travelling salesman problem. Three models are studied, i.e. travelling salesman problem with time windows, vehicle routing problem, and vehicle routing problem with time windows. Abstract in Bahasa Indonesia : Dalam artikel ini dipaparkan kajian mengenai pengembangan model travelling salesman problem. Ada tiga model yang dikaji yaitu travelling salesman problem dengan time windows, vehicle routing problem, serta vehicle routing problem dengan time windows. Kata-kunci: travelling salesman problem, vehicle routing problem, time windows.

Penentuan Rute Pengiriman Pupuk Urea Bersubsidi di Karanganyar Yusuf Priyandari; Yuniaristanto .; Yahuda Patria Christiawan
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 13 No. 1 (2011): JUNE 2011
Publisher : Institute of Research and Community Outreach - Petra Christian University

This paper develops a vehicle routing problem (VRP) model for determining the routes in urea fertilizer distribution from a depot to retailers. The distribution is done in work days which uses trucks, each truck can serve more than one route (multiple trips), and each retailer has a time window. The vehicle routing model is built in a mixed integer linear programming (MILP) and the objective function is minimizing total transportation cost. The distances from the distributor to retailers and inter-retailers do not use Euclidian approach but the road network on a digital map in order to make the route solution is more realistic. Historical distribution data was used to test the model. The result shows that the model can minimize the cost about 2.28% which is compared to the original routes.

PERBANDINGAN TINGKAT KEPENTINGAN VARIABEL LAYANAN PADA JASA YANG BERSIFAT REKREATIF Kriswanto Widiawan; Marta Susiani
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 6 No. 2 (2004): DECEMBER 2004
Publisher : Institute of Research and Community Outreach - Petra Christian University

Surveying the differences of importance level of service variables is a must for service providers. The ten service variables are tangible, reliability, responsiveness, competence, courtesy, credibility, security, access, communication, and understanding the customer. The categories of service providers to be compared are recreative (represented by supermarket and restaurant) and non recreative (represented by hospital and education/university) characteristics. The result shows there are no differences among recreative and non recreative service providers. But there are some differences among each service providers, because of unique characteristics of each service provider. Abstract in Bahasa Indonesia : Diduga ada perbedaan tingkat kepentingan variabel layanan pada jasa yang bersifat rekreatif (supermarket, restoran) dan non rekreatif (rumah sakit, pendidikan/perguruan tinggi). Penelitian ini bertujuan membandingkan tingkat kepentingan variabel-variabel layanan pada bidang-bidang jasa tersebut. Dalam penelitian ini terdapat sepuluh variabel layanan yang akan disoroti, yaitu tangible, reliability, responsiveness, competence, courtesy, credibility, security, access, communication, dan understanding the customer. Hasil perbandingan menunjukkan tidak ada beda tingkat kepentingan variabel layanan antara jasa rekreatif dan non rekreatif. Namun terdapat perbedaan tingkat kepentingan pada masing-masing jasa, karena adanya perbedaan karakteristik jasa. Kata kunci: Servqual, tingkat kepentingan.

Toward Modernization and Internationalization (M&I) of Higher Education Institution Gembong Baskoro
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 13 No. 2 (2011): DECEMBER 2011
Publisher : Institute of Research and Community Outreach - Petra Christian University

Knowledege based economy will be a matter of time for Indonesia’s future competitiveness. Therefore, to get there, several basic requirements have to be early prepared. Among others, human capital is perhaps the most important requirement for a country to be able to develop an economic condition based on the capability and capacity of knowledge. Human capital is not just Indonesia concern, it is the concern of all countries. In fact, only some countries can create a condition for human capital to grow effectively and efficiently. Mostly, Higher Education Institution (HEI) or university is the main organization that has objective to develop human capital. The pupose of HEI is to develop academic and non-academic capability for student by mean of educating them with a structured curriculla. However, in today’s environmental condition even with similar curriculla, any HEI may ends up with different quality. From this point of view, this paper will discuss and elaborate further on a policy and strategy that enable a HEI can create a competitive education environment for student to grow up to their best competitive conditions.

PENGUKURAN NILAI OVERALL EQUIPMENT EFFECTIVENESS SEBAGAI DASAR USAHA PERBAIKAN PROSES MANUFAKTUR PADA LINI PRODUKSI (Studi Kasus pada Stamping Production Division Sebuah Industri Otomotif) Robby Suhendra; Betrianis Betrianis
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 7 No. 2 (2005): DECEMBER 2005
Publisher : Institute of Research and Community Outreach - Petra Christian University

Overall Equipment Effectiveness (OEE) is an effectiveness measurement method of equipment utilization in the implementation of Total Productive Maintenance (TPM. The ability of identification in details toward main problem and the cause factors that makes the improvement efforts become more focused is the reason why this method applied comprehensively by all manufacturing companies around the world. Manufacturing process at Stamping Production Division an automotive isdustry still keeps some unrevealed problems. This condition makes the achievement of OEE figure below the target that means production equipments are not utilized optimally yet. The expression of main problem and the cause factors is needed before the company starts some improvement efforts. This research is started by understanding the equipment losses that existed in company. Then, measuring the achievement of OEE figure in one period and through the pareto analysis toward the measurement's results, the main problem and the cause factors are obtained and clearly depicted in cause-and-effect diagram. Abstract in Bahasa Indonesia : Overall Equipment Effectiveness (OEE) adalah metode pengukuran efektivitas penggunaan suatu peralatan. OEE dikenal sebagai salah satu aplikasi progam Total Productive Maintenance (TPM). Kemampuan mengidentifikasikan secara jelas akar permasalahan dan faktor penyebabnya sehingga membuat usaha perbaikan menjadi terfokus merupakan faktor utama metode ini diaplikasikan secara menyeluruh oleh banyak perusahaan didunia. Saat ini proses manufaktur di Stamping Production Division sebuah industri otomotif memiliki permasalahan yang belum terungkap jelas. Hal tersebut mengakibatkan penggunaan peralatan yang ada belum optimal. Pengungkapan akar masalah dan faktor penyebabnya diperlukan sebelum perusahaan melakukan usaha perbaikan. Penelitian ini dimulai dengan mengidentifikasi kerugian peralatan (Equipment Losses) yang terjadi. Kemudian mengukur pencapaian nilai OEE satu lini produksi dalam satu periode dan melalui analisis pareto terhadap hasil pengukuran tersebut diperoleh akar permasalahan dan faktor penyebabnya yang secara jelas ditampilkan pada sebuah diagram sebab-akibat. Kata kunci: pengukuran kinerja peralatan, regresi berganda dan analisa korelasi, industri otomotif, peralatan pabrik.

Model Dynamic Pricinguntuk Penetapan Harga Tiket Pesawat Terbang Berbasis Waktu dan Persediaan Kursi dengan Mempertimbangkan Keputusan Kompetitor Ahmad Rusdiansyah; Rescha Dwi A. P.; Nia Puspitasari
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 15 No. 1 (2013): JUNE 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

In the airline business nowadays the competition between airlinesis very tight. The decision of pricing of an airline will affect significantly the demand and revenue of other airlines. This study develops a model of Airline Revenue Management (ARM). We build an ARM model under competitive environment. The model considers the change of the competitor’s ticket for two parallel flights and should be made based on time and seat inventory. Specifically, we develop a model of dynamic programming to obtain the optimal ticket price based on the remaining seats, the rest of the time, as well as changes in competitors' ticket prices in order to generate maximum revenue expectation. This study conducted a series of numerical experiment scenarios to demonstrate the behavior of the model to the revenue expectation.

KARAKTERISTIK ERGONOMIS RANCANG BANGUN WHEELBARROW Mia Monasari; Rika Ampuh Hadiguna
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 8 No. 1 (2006): JUNE 2006
Publisher : Institute of Research and Community Outreach - Petra Christian University

A Wheelbarrow is one of manual material handling equipments%2C which often used by many people. From survey%2C there are some problems faced by users%2C e.g.%2C high energy expenditure and risk of injuries. To avoid those particular risks in using a wheelbarrow%2C analysis of factors that affect this energy expenditure and risk of injuries will be needed. An experiment based on Taguchi method has been conducted to achieve the optimum combination of factors that increase energy expenditure rate and decrease the energy expenditure variance. The analysis of body posture shows that the best posture in using a wheelbarrow is when the straight arm in line with vertebrae. The analysis of subjective complaints shos that palm of hands%2C arms%2C shoulders%2C elbows and wrists are the most possible parts of body having risk injuries. Based on these information and analysis%2C a good wheelbarrow is a wheelbarrow that has the distance of man support and wheel axis smaller than 110 cm. The propose design of a new wheelbarrow has these following properties. The horizontal distance beetween weight point an wheel axis is smaller than 26.53 cm%2C the vertical distance beetween weight point and wheel axis is smaller than 32.37 cm and the weight point is stabil at (-13.22 cm ; 14.37 cm) based on the reference point. Moreover%2C it has a feature than can decrease wheelbarrow speed in descend way and decrease the effect of vibrations as well%2C the net weight is smaller than 21%2C6 kg and the support of wheelbarrow is lower than 32.5 cm. Abstract in Bahasa Indonesia : Wheelbarrow merupakan salah satu alat manual material handling yang banyak digunakan masyarakat. Oleh karena itu perlu dilakukan penentuan karakterisik wheelbarrow yang baik yang telah memper¬timbangkan faktor yang paling mempengaruhi konsumsi energi dan kemungkinan cedera untuk mengetahui prioritas perbaikan. Eksperimen dilakukan dengan menggunakan metode Taguchi. Dari analisis posisi tubuh diketahui bahwa posisi tubuh paling baik saat pengangkatan adalah posisi tubuh lurus dengan lengan sejajar tulang belakang. Berdasarkan kuesioner diketahui bahwa keluhan terbanyak responden adalah pada telapak tangan%2C lengan%2C bahu%2C siku dan pergelangan tangan. Berdasarkan informasi-informasi tersebut maka dapat disimpulkan bahwa wheelbarrow yang baik adalah wheelbarrow mempunyai jarak antara tumpuan manusia dengan poros roda yang lebih panjang dari 110 cm%2C mempunyai jarak horizontal titik berat beban terhadap poros yang lebih kecil dari 26%2C53 cm%2C mempunyai jarak vertikal titik berat beban terhadap poros yang lebih kecil dari 32%2C37 cm%2C mempunyai titik berat beban yang stabil (tetap pada (-13%2C22 cm ; 14%2C37 cm) terhadap titik acuan)%2C mempunyai fitur yang dapat mengurangi kecepatan wheelbarrow di jalan menurun%2C mempunyai fitur yang dapat meredam getaran%2C mempunyai berat bersih wheelbarrow yang lebih ringan dari 21%2C6 kg%2C mempunyai tinggi kaki penyangga yang lebih rendah dari 32%2C5 cm. wheelbarrow%2C energy expenditure%2C risk of injuries%2C taguchi methods.

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