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All Journal Jurnal Teknik Industri
Hui-Ming Wee
Department of Industrial and System Engineering, Chung Yuan Christian University, Chung Pei Rd. 200, Chung Li, 32023
Industrial & Manufacturing Engineering

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Harmony Search for Balancing Two-sided Assembly Lines Hindriyanto Dwi Purnomo; Hui-Ming Wee; Hsin Rau
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 14 No. 2 (2012): DECEMBER 2012
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (489.36 KB) | DOI: 10.9744/jti.14.2.83-88

Abstract

Two-sided assembly lines balancing problems are important problem for large-sized products such as cars and buses, in which, tasks operations can be performed in the two sides of the line. In this paper, Harmony Search algorithm is proposed to solve two-sided assembly lines balancing problems type-I (TALBP-I). The proposed method adopts the COMSOAL heuristic and specific features of TALBP in the Harmony operators – the harmony memory consideration, random selection and pitch adjustment – in order to maintain the local and global search. The proposed method is evaluated based on 6 benchmark problems that are commonly used in TALBP. The experiment results show that the proposed method work well and produces better solution than the heuristic method and genetic algorithm.
An Innovative Heuristic in Multi-Item Replenishment Problem for One Warehouse and N Retailers Yugowati Praharsi; Yessica Nataliani; Hui-Ming Wee
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 16 No. 1 (2014): JUNE 2014
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (458.687 KB) | DOI: 10.9744/jti.16.1.1-8

Abstract

Joint replenishment problem (JRP) is a type of inventory model which aims to minimize the total inventory cost consisting of major ordering cost, minor ordering cost and inventory holding cost. Different from previous papers, this study considers one warehouse, multi items and N retailers. An innovative heuristic approach is developed to solve the problem. In this paper, we consider a multi echelon inventory system and seek to find a balance between the order cost and the inventory holding costs at each installation. The computational results show that the innovative heuristic provides a near exact optimal solution, but is more efficient in terms of the computational time and the iteration number.
Co-Authors Hsin Rau Yayi Suryo Prabandari Yugowati Praharsi