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| Design of Modular Layouts for Workshops Based on Sequence Analysis |
| ZHOU Jin1，WU Zhi-ming2 |
(1. School of Electronic and Electrical Engineering, Shanghai Second Polytechnic University, Shanghai
201209, China； 2. Department of Automation, Shanghai Jiaotong University, Shanghai 200240, China) |
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Abstract In a fabricationbased assembly workshop, the material flow network in the facility is obtained by merging the routings of all the parts and subassemblies into a precedence hierarchy known as an operations process chart (OPC) in literature, which inherently possesses a graph structure called a directed intree. This paper describes an algorithmic method for the design of workshop layouts that have such a hierarchical directed graph (digraph) representation of their material flows, including a tree manipulation algorithm and a sequence clustering algorithm to form layout modules. Its application in an industrial case study demonstrates the validation of this method.
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Received: 08 November 2007
Published: 28 December 2008
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