A model for level-loading production in the process industries when demand is stochastic

A model for level-loading production in the process industries when demand is stochastic

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Article ID: iaor200972185
Country: United Kingdom
Volume: 19
Issue: 7
Start Page Number: 686
End Page Number: 701
Publication Date: Oct 2008
Journal: Production Planning and Control
Authors: ,
Keywords: inventory
Abstract:

Recent observations of process manufacturing firms have called into question the efficacy of pursuing lean manufacturing approaches in environments where there is inherent inflexibility in the production environment. We examine a multi-item integrated production-inventory system in which changeover times are significant on the process equipment, and customer demand is highly uncertain. We develop and explore a production stabilising policy in which the length of the production cycle is kept between a lower and upper limit. We discuss how capacity utilisation and demand uncertainty interact with lower and upper limits to affect system performance. A numerical study is conducted to evaluate the accuracy of the approach.

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