Improved joint preventive maintenance and hedging point policy

F. Berthaut, A. Gharbi, J.-P. Kenné and J.-F. Boulet

International Journal of Production Economics, 2010, vol. 127, issue 1, 60-72

Abstract: We investigate the preventive maintenance and inventory control problem of a one-machine, one-product manufacturing system subject to random breakdowns. Both preventive and corrective interventions have random and non-negligible durations during which an excess of final products inventory is necessary to fulfill demand. The objective of this study is to find the production rate and the preventive maintenance schedule that minimize the total cost of maintenance and inventory/backlog in the case of periodic preventive maintenance. A near-optimal policy characterization with a simple structure is carried out using a numerical approach. Such a policy is a combination of a hedging point policy and a modified periodic preventive maintenance strategy, under which preventive maintenance actions are performed only if the inventory level exceeds a sufficient level. A simulation-based experimental approach is adopted to achieve a close approximation of the optimal control parameters. It is concluded from a sensitivity analysis and a comparative analysis that the near-optimal control policy leads to a significant cost reduction as compared to the combination of a hedging point policy and a classical periodic preventive maintenance policy.

Keywords: Preventive; maintenance; Stochastic; dynamic; programming; Simulation; Response; surface; methodology (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (13)

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