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Proposition d’une méthodologie d’évaluation de l’évolution de la qualité en conception de systèmes complexes

Abstract : Today, quality control is essential to satisfy customer requirements. Although there are different methods and tools specially developed to manage the quality of systems or processes within companies, it is difficult to establish the link between management of a company's many processes and product quality for a system in service. In this context, a CIFRE thesis was conducted within MBDA, a company that designs, develops and produces weapons systems. The problem of this thesis is to develop a methodology allowing to produce a definition of the product quality of a complex system which is valid throughout its life cycle, and allowing the construction of models to predict the product quality in use during development and production. Our contribution consists of a two-phase methodology. The first phase makes it possible to establish a definition of the product quality of complex systems from the customer's point of view adapted to the industrial context by defining several product quality factors that are relevant for all phases of the systems life cycle. The second phase builds product quality prediction models that provide a life-cycle quality assessment of the systems and a forecast of what the quality will be in use. Both phases of the methodology rely on the use of experts' judgement to enable its use without a significant amount of data. The models built have been tested for systems developed by MBDA.
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Submitted on : Thursday, January 31, 2019 - 4:39:27 PM
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Jean-Philippe Gitto. Proposition d’une méthodologie d’évaluation de l’évolution de la qualité en conception de systèmes complexes. Génie mécanique [physics.class-ph]. Université de Technologie de Compiègne, 2018. Français. ⟨NNT : 2018COMP2412⟩. ⟨tel-02002443⟩

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