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Méthodes et outils pour la maîtrise de risques en ingénierie de l’obsolescence dans un contexte incertain : application à un équipementier automobile

Abstract : This subject concerns, in a general way, the obsolescence management and the consideration of components life cycle in a multi-technological complex system. Rank 1 Suppliers in direct link with their customers make a commitment to guarantee a life of 20 years of their subsets, where their suppliers propose components with short life cycle of the order of 4 – 5 years. These subsets have to remain adaptable and upgradable with regard to permanent evolutions of needs, standards and technologies.“Unconsideration” of these elements has for consequences of the industrial risks which requiring:• The implementation of adapted means of storage, the consideration of guarantee quality and of mountability, and the taking of financial risks (on / under estimations, problems during the storage and components degradation).• Put in place a "serial project" aiming at redesigns a component supporting a function, become impossible to supply, while maintaining it compatible with the interface.• The search of solutions, allowing adapting the means and the products to the application of new standards / norms and needs.The target of this thesis is to study the obsolescence according to the complementary angles of: performance, structure, functions and features of the systems. These researches should allow, in obsolescence engineering, to determine a set of methods or tools for the control of the industrial risks.This thesis will lean on a set of real cases which obsolescence management is considered as a critical element.The studies have to allow formulating recommendations regarding conception of new subsets whose partial obsolescence, will not damage the features offered by the compound finished products, standards of choice during the design, to identify the life cycles of components and to explore the management of the obsolescence through concrete cases, on products at present marketed.Secondly, it will be necessary to look for the predictability and the adaptability of the system in what would be the next technological step.Allow by the anticipation, to act before undergoing. Which gains could be realized by a company mastering the guarantee of supply without discontinuity and without excess of production?
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Kevin Boissie. Méthodes et outils pour la maîtrise de risques en ingénierie de l’obsolescence dans un contexte incertain : application à un équipementier automobile. Risques. Université Paris-Saclay, 2019. Français. ⟨NNT : 2019SACLC105⟩. ⟨tel-02651438⟩

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