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Développement de stratégies de maintenance dans un contexte de sous-traitance partielle de production

Abstract : Nowadays, the enterprises move under a hard competition. The satisfaction of the client in time becarne a difficult spot. Since that, the majority of the actual Company cal1 upon to the subcontractor in order to cover the client demand and to reduce the demand loss. In fact, it's time to expand new maintenance/production strategies by taking into account the context of subcontractor. In this memory we treat some maintenance policies integrated with production under the subcontractor constraint. The manufacturing system under consideration consists on machine Ml which produces a single product. In order to satisfy a constant demand d, the system called upon to subcontractor. The subcontractor is presented by another machine M2 which produces at a certain rate the sarne type of product as Ml. Both machines are subject to random failures. An age-limit policy is used for preventive maintenance of machine Ml. Point of view maintenance actions, the subcontractor is not controlled by us. We considered that the subcontractor imposes some unavailability periods. That's why we suppose that the failure rate of the subcontractor is constant. In this work we elaborated different strategies integrating maintenance and production. In these strategies we are taking in account the constraint of subcontractor. These strategies are optimised and its performances are compared to a simple maintenance policy SMP in which we don't taking in account the subcontractor. Finally, we classified al1 the strategies developed in this work according its performances orders compared to SMP and noted the performance constraints of theses policies.
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Sofiène Dellagi. Développement de stratégies de maintenance dans un contexte de sous-traitance partielle de production. Autre. Université Paul Verlaine - Metz, 2006. Français. ⟨NNT : 2006METZ019S⟩. ⟨tel-01752454⟩



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