Economic lot scheduling problem with imperfect production processes and setup times

Economic lot scheduling problem with imperfect production processes and setup times

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Article ID: iaor2003889
Country: United Kingdom
Volume: 53
Issue: 6
Start Page Number: 620
End Page Number: 629
Publication Date: Jun 2002
Journal: Journal of the Operational Research Society
Authors: , ,
Keywords: production
Abstract:

Deteriorating production processes are common in reality. Although every production process starts in an ‘in-control’ state to produce items of acceptable quality, it may shift to an ‘out-of-control’ state, owing to ageing, at any random time and produce defective items. In the present article, we study the Economic Lot Scheduling Problem (ELSP) with imperfect production processes having significant changeovers between the products. The mathematical models are developed for the ELSP using both the common cycle approach and the time-varying lot sizes approach, taking into account the effects of imperfect quality and process restoration. Numerical examples are cited to illustrate the solution procedures and to compare the performances of the solution methodologies adopted to solve the ELSP.

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