Journal
JOURNAL OF MANUFACTURING SYSTEMS
Volume 33, Issue 1, Pages 51-64Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jmsy.2013.05.012
Keywords
Layout; Complexity; Manufacturing systems; Graph theory
Categories
Funding
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- Canadian Research Chair (CRC) program
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The layout of a manufacturing facility/system not only shapes its material flow pattern and influence transportation and operation cost, but also affects logistics and parts/machine assignment decisions. The layout of manufacturing systems determines its structural complexity by virtue of its design configuration characteristics. This paper introduces a new model and indices for assessing the structural complexity of manufacturing systems layout in the physical domain. Six complexity indices, based on the physical structural characteristics of the layout, have been introduced and formulated. They are layout density, path, cycle, decision points, redundancy distribution and magnitude indices. An overall Layout Complexity Index (LCI) which combines all indices is developed using a novel method based on radar plots which is insensitive to the order of plotting the individual indices. The use of the developed LCI is demonstrated using six typical types of manufacturing systems layouts and relevant guidelines are presented. The developed model and complexity indices help design system layouts for least complexity and compare layout alternatives that meet the specifications, at early design stages. It supports making trade-off decisions regarding manufacturing systems flexibility and complexity and their associated costs. (C) 2013 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.
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