A framework for multi-objective facility layout design

Ashish Saraswat

doi:10.1016/j.cie.2015.09.006

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A framework for multi-objective facility layout design

2015-12-01

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Ashish Saraswat

Uday Venkatadri

Ignacio Castillo *

DOI：10.1016/j.cie.2015.09.006

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Abstract

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The most commonly used metric for facility layout design in the academic literature is the flow-distance metric, a weighted average between the material transfer and the distance travelled. Researchers and practitioners, however, have recognized that other metrics are also important. Facility layout designs obtained using the flow-distance metric exclusively have been criticized because they completely ignore empty material transfer, which generally increases work-in-process and equipment costs. Therefore, facility layout design (block layout design in particular) based exclusively on the flow-distance metric is insufficient. In this paper, we present a framework that utilizes the recent advancements in the facility planning literature to generate block layout designs based on three objectives: flow-distance, average work-in-process, and the number of required material handling devices. Numerical experiments are conducted on a number of standard problems, and the tradeoffs between the different objectives are studied. Our study indicates that it is critical to pursue multi-objective analysis and optimization for the actual implementation of the layouts. (C) 2015 Elsevier Ltd. All rights reserved.

Keywords:

Multi-objective block layout problem

Average work-in-process

Sequence pair and epsilon-accurate model representation

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