Problèmes combinatoires et modèles multi-niveaux pour la conception optimale des machines électriques

Abstract : The design of electrical machinery has a long tradition and the business as usual approach is a tries and errors iterative process, certainly converging but necessarily stopped prematurely as too expensive. A recent upgrade has been to replace the prototypes and models by virtual prototypes, fully numerical, such as those provided by the finite element method. Nevertheless, the process stops always on a frustration, because the designer is never sure to have completely explored the design space that offers to him. The optimal design approach proposes to improve this process by guiding it, i.e. by proposing a methodology and by equiping it, i.e. by providing software tools. But in this approach many difficulties appear. Thus, the general objectives of this thesis are multiple. It is to define specific representative optimization problems of the structural choices and develop reference benchmarks of optimization: discrete, multi-physics, multidisciplinary, multi-objective and multi-level. Then, it must seek, adapt and describe the best optimization methods able to solve these problems. These methods are implemented and tested in order to prove their efficiency and adaptation. A secondary but important objective is to capitalize and disseminate the developed knowledge
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Other. Ecole Centrale de Lille, 2009. French. <NNT : 2009ECLI0011>


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Tuan Vu Tran. Problèmes combinatoires et modèles multi-niveaux pour la conception optimale des machines électriques. Other. Ecole Centrale de Lille, 2009. French. <NNT : 2009ECLI0011>. <tel-00425590v3>

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