Hybrid ant systems for the dynamic facility layout problem

Hybrid ant systems for the dynamic facility layout problem

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Article ID: iaor20071559
Country: United Kingdom
Volume: 33
Issue: 3
Start Page Number: 790
End Page Number: 803
Publication Date: Mar 2006
Journal: Computers and Operations Research
Authors: ,
Keywords: heuristics: ant systems
Abstract:

Today's consumer market demands that manufacturers must be competitive. This requires the efficient operation of manufacturing plants and their ability to quickly respond to changes in product mix and demand. In addition, studies show that material-handling cost makes up between 20 and 50 percent of the total operating cost. Therefore, this paper considers the problem of arranging and rearranging, when there are changes in product mix and demand, manufacturing facilities such that the sum of material handling and rearrangement costs is minimized. This problem is called the dynamic facility layout problem (DFLP). In this paper, hybrid ant systems (HASs) are developed to solve the DFLP. To test the performance of the meta-heuristics, two data sets taken from the literature are used in the analysis. The results show that the HASs are efficient techniques for solving the DFLP. More importantly, HASs found new best solutions for more than one-half of all the test problems.

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