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Assembly line balancing problem: a comparative evaluation of heuristics and a computational assessment of objectives
University of Skövde, School of Engineering Science. University of Skövde, The Virtual Systems Research Centre. (Production and automation engineering)ORCID iD: 0000-0001-5530-3517
University of Porto, Portugal / INESC TEC, Porto, Portugal.
Jönköping University, Jönköping, Sweden / Uppsala University, Sweden.
University of Hormozgan, Bandar Abbas, Iran.
2018 (English)In: Journal of Modelling in Management, ISSN 1746-5664, E-ISSN 1746-5672, Vol. 13, no 2, p. 455-474Article in journal (Refereed) Published
Abstract [en]

Purpose – The purpose of this study is to firstly investigate the efficiency of the most commonly used performance measures for minimizing the Number of Workstations (NWs) in approaches addressing Simple Assembly Line Balancing Problem (SALBP) for both straight and U-shaped line. Secondly, this study aims to provide a comparative evaluation of 20 constructive heuristics to find solutions to the SALBP-1.

Design/methodology/approach – 200 problems are solved by 20 different constructive heuristics for both straight and U-shaped assembly line. Moreover, several comparisons have been made to evaluate the performance of constructive heuristics.

Findings – Minimizing the Smoothness Index (SI) is not necessarily equivalent to minimizing the NWs, therefore, it should not be used as the fitness function in approaches addressing the SALBP-1. Line efficiency (LE) and the idle time (IT) are indeed reliable performance measures for minimizing the NWs. The most promising heuristics for straight and U-shaped line configurations for SALBP-1 are also ranked and introduced.

Practical implications – Results are expected to help scholars and industrial practitioners to better design effective solution methods for having a most balance assembly line. This study will further help with choosing the most proper heuristic with regard to the problem specifications and line configuration.

Originality/value – There is limited research assessing the efficiency of the common objectives for SALBP-1. This study is among the first to prove that minimizing the workload smoothness is not equivalent to minimizing the NWs in SALBP-1 studies. This work is also one of the first attempts for evaluating the constructive heuristics for both straight and U-shaped line configurations.

Place, publisher, year, edition, pages
Emerald Group Publishing Limited, 2018. Vol. 13, no 2, p. 455-474
Keywords [en]
Assembly line balancing, SALBP-1, Number of workstations, Workload smoothness, Heuristics
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Production and Automation Engineering
Identifiers
URN: urn:nbn:se:his:diva-15107DOI: 10.1108/JM2-03-2017-0027ISI: 000434253300009Scopus ID: 2-s2.0-85048139423OAI: oai:DiVA.org:his-15107DiVA, id: diva2:1202633
Available from: 2018-04-27 Created: 2018-04-27 Last updated: 2018-07-05Bibliographically approved

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Fathi, Masood

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