J.P. Kenné and A. Tchokogué (Canada)
Production Control, Corrective Maintenance, Supply Chain Management, Manufacturing System
This paper describes an approach to control the production and maintenance rates of a manufacturing supply chain management (MSCM). It is shown that improvements in the performances of MSCM depend on the stochastic optimal control problem of the involved manufacturing system. This paper presents the analysis of the optimal production and corrective maintenance planning problem for a failure prone manufacturing system consisting of several machines in tandem. These machines are subject to breakdowns and repairs and the control problem is subject to non-negative constraints on work-in-processes (WIP). The decision variables are the production and the machines repair rates which influence the WIP levels, the surplus level and the system capacity respectively. The objective of the problem is to minimize the cost of intermediate storages, surplus and repair activities. A numerical example of a two-machine flowshop is presented to illustrate the usefulness of the proposed approach.
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