Méthodologie pour l'étude conceptuelle d'un système fortement innovant - Application au cas du circuit carburant d'un moteur d'hélicoptère

Abstract : In several industries, incremental innovation has been used. This approach aims at optimizing a given design. It is efficient in the short term, and enables to improve the system at low risks. Anyway, incremental innovation implies a reduction in the capacity of future improvement. In order to deal with new customer needs, radical innovation is a must in a long-term consideration. Indeed, these radical changes allow to create new functional margins, enabling to make the system even better. The aim of this thesis work is, on the one hand, to propose a methodological framework for the conceptual design of radically innovative power system architectures. This implies tomorrow’s needs specification, strongly innovative architecture generation and best architectures selection. Based on a systems engineering approach, as well as state of the art techniques in the domain of creativity (KCP, Brainwritting, KJ Diagram), concepts combination (morphological matrix) or mutlicriteria decision making (TOPSIS, MAUT), an original approach has been proposed. On the other hand, this methodology has been implemented in an industrial framework in the case of a helicopter engine fuel system at Safran Helicopter Engines. This has enabled to obtain a return of experience on the industrial application of this methodology. A tool has been developed using Microsoft Excel for the industrial deployment of the methodology.
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Adrien Monsimer. Méthodologie pour l'étude conceptuelle d'un système fortement innovant - Application au cas du circuit carburant d'un moteur d'hélicoptère. Génie mécanique [physics.class-ph]. INSA de Toulouse, 2018. Français. ⟨NNT : 2018ISAT0003⟩. ⟨tel-02082616⟩

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