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Integrated maintenance/spare parts management for manufacturing system according to variable production rate impacting the system degradation

Abstract : This study develops an analytical model in order to determine an optimal integrated maintenance plan and spare parts management. We consider a manufacturing system, producing only one type of product, over a finite planning horizon H equal to the sum of all production periods and the production quantity of each period is known. This system is subject to a continuously increasing degradation rate. That is why a preventive maintenance strategy is adopted in order to face the increasing failure rate. We noted that contrarily to the majority of studies in literature, we take into account the impact of the production rate variation on the manufacturing system degradation and consequently on the adopted optimal maintenance strategy. In addition, the real need of spare parts relative to the scheduled maintenance actions is taken into account. In fact, the purpose of our study consists at determining the optimal preventive maintenance frequency and the optimal quantity of spare parts to order by minimizing a total cost, including maintenance and spare parts management. Numerical examples are presented along with a sensitivity study in order to prove the use of the developed model for deriving the optimal integrated strategy for any instance of the problem.
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https://hal.archives-ouvertes.fr/hal-02451170
Contributor : Sofiene Dellagi <>
Submitted on : Thursday, January 23, 2020 - 11:16:36 AM
Last modification on : Friday, January 24, 2020 - 1:25:47 AM

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Sofiene Dellagi, Wajdi Trabelsi, Zied Hajej, Nidhal Rezg. Integrated maintenance/spare parts management for manufacturing system according to variable production rate impacting the system degradation. Concurrent Engineering: Research and Applications, SAGE Publications, 2020, pp.1063293X1989873. ⟨10.1177/1063293X19898734⟩. ⟨hal-02451170⟩

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