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Theses

De la conception collaborative à l'ingénierie peformante de produits optimisés à base de connaissances métier

Abstract : In a traditional process of design of mechanical products, the traditional organization is the product design and the sizing and finally optimization. The designers take risks in failing to assess product performance in the final stages of the process, and the optimization step is often ignored because of time or due to delays on other phases. The preliminary design is a delicate step because decisions must be taken in a little vague or defined. There are no adequate data tools and the study of several concepts multiply routine tasks and wasted time associated. The designer is therefore taking risks by reducing the number of concepts developed. The design of products also includes a number of difficulties, such as positioning late in the process, resulting in steps of pre and post processing of heavy and long simulations. An analysis of decision support is promising but remains marginal due to lack of simplified models available in the early phases of the design process.This thesis describes the synthesis of our research on design optimization of mechanical systems. The proposed study is part of a highly productive process engineering of mechanical systems and multi-faceted: parametric functional design, application engineering knowledge base, simulation tools and optimization. We propose a methodology to introduce at the earliest in the design process, an optimization step coupled with simulations of decision support, to identify optimal architectures novel, the three best compromise vis- -vis multiple objectives related to the mechanical behavior. The objective of the research is to develop models, methods and tools dedicated to the semi-automatic generation of multi-dimensional geometric models identified as most effective solutions in a collaborative design of mechanical products. Our methodology is then tested on several projects of design of mechanical systems within the mechanical structures in static and dynamic analysis. This is especially the design of the vehicle components of the UTBM MLS participant trophy.
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Submitted on : Wednesday, July 25, 2012 - 12:14:06 PM
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Antoine Varret. De la conception collaborative à l'ingénierie peformante de produits optimisés à base de connaissances métier. Autre. Université de Technologie de Belfort-Montbeliard, 2012. Français. ⟨NNT : 2012BELF0172⟩. ⟨tel-00720656⟩

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