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Title: Minimizing Work-in-Process and Material Handling in the Facilities Layout Problem
Authors: Fu, Michael C.
Kaku, Bharat K.
Department/Program: ISR
Type: Technical Report
Keywords: plant layout
quadratic assignment problem
queueing network models for manufacturing systems,
Issue Date: 1995
Series/Report no.: ISR; TR 1995-41
Abstract: We consider the plant layout problem for a job shop environment. This problem is generally treated as a quadratic assignment problem with the objective of minimizing material handling costs. In this paper we investigate conditions under which the quadratic assignment solution also minimizes average work-in-process. To get some initial insights, we model the plant as an open queueing network and show that under a certain set of assumptions, the problem of minimizing work-in-process reduces to the quadratic assignment problem. We then investigate via simulation the robustness of this result. We found that the relationship between material handling costs and average work-in-process holds under much more general conditions than are assumed in the analytical model. For those cases where the result does not hold, we have refined the model by developing a simple secondary measure which appears to work well in practice.
Appears in Collections:Institute for Systems Research Technical Reports

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