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Journal : Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri

PEMODELAN PEMROGRAMAN LINIER DENGAN KOEFISIEN FUNGSI OBJEKTIF BERBENTUK BILANGAN KABUR SEGITIGA DAN KENDALA KABUR BESERTA USULAN SOLUSINYA Sani Susanto; Dedy Suryadi; Hari Adianto; YMK Aritonang
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.586 KB) | DOI: 10.9744/jti.8.1.14-27

Abstract

Linear Programming Model consists of one objective function and at least one constraint. The parameters in the objective function are called objective function coefficients. Objective function coefficients represent the contribution of one unit of its corresponding decision variable to the objective function value. The exist objective function as well as its constraints in the linear programming model are characterized as crisp. Such assumptions are often considered as unrealistic. This research models and solves the Linear Programming Model in the case where objective function coefficients are in the form of triangular fuzzy number and the constraints are fuzzy as well. Abstract in Bahasa Indonesia : Model Pemrograman Linear (MPL) memiliki sebuah fungsi objektif dan satu atau lebih kendala. Pada fungsi objektif terdapat parameter yang disebut koefisien fungsi objektif (objective function coefficients). Koefisien fungsi objektif menggambarkan kontribusi satu satuan variabel keputusan terhadap nilai fungsi objektif. Koefisien fungsi objektif yang selama ini dikenal dalam pembahasan MPL bersifat tegas (crisp)., demikian pula dengan kendala. Tulisan ini membahas suatu pendekatan terhadap perumusan dan penyelesaian MPL dalam hal koefisien fungsi objektifnya berbentuk bilangan kabur segitiga (triangular fuzzy number) dan kendalanyapun bersifat kabur. Kata kunci: model pemrograman linear, parameter pemrograman linear, bilangan kabur, koefisien fungsi objektif, bilangan kabur segitiga, kendala kabur.
Pengembangan Metode Penstrukturan Masalah Berbasis Cognitive Map dan Strategic Choice Approach dan Penerapannya pada Masalah Manajemen Rantai Pasokan Iwan Mumin Basarah; Sani Susanto
Jurnal Teknik Industri Vol. 18 No. 1 (2016): JUNE 2016
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.217 KB) | DOI: 10.9744/jti.18.1.73-84

Abstract

The problem structuring methods used to deal with complex  and ill-structured problems. One of the method of structuring ill-structured  problem is the Strategic Choice Approach (SCA), while one of the problems of complex and ill-structuredproblems  is a supply chain management problems. This research proposes the use of a cognitive map as a base application of SCA on the problems of supply chain management at PT X, a leading manufacturing company in Indonesia. Three main results of this study are structuring problems, choosing of the top priority problems, and choosing of troubleshooting options among other identified options.