The economic manufacturing lot-sizing problem with imperfect production processes: Bounds and optimal solutions

The economic manufacturing lot-sizing problem with imperfect production processes: Bounds and optimal solutions

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Article ID: iaor1999117
Country: United States
Volume: 45
Issue: 4
Start Page Number: 423
End Page Number: 433
Publication Date: Jun 1998
Journal: Naval Research Logistics
Authors: ,
Keywords: inventory
Abstract:

In this paper, we consider the economic production quantity problem in the presence of imperfect processes. In the literature, the time to shift from the in-control state to the out-of-control state is assumed to be exponentially distributed. In this study, we consider general time to shift distributions and provide distribution-based and distribution-free bounds on the optimal cost. For the exponential case, we compare the optimal solutions to approximate solutions proposed in the literature. A numerical example is used to illustrate the analysis presented and to conduct a sensitivity analysis in order to see the effect of the input parameters on the various solutions to the problem.

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