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Contribution à la modélisation CEM d'une chaîne d'actionnement pour une application automobile

Abstract : This phD dissertation is focused on the study of a methodology in order to predict the conducted electromagnetic interferences (EMI) arising from an actuating system (AS). The ultimate objective, linked to the use of these models for the sizing of this system, is based on an optimization under constraints (design under constraints).Beyond the application, we try to highlight the profits of multilevel modeling in looking for a tradeoff between the accuracy and the time cost of these models. Thereupon, the purpose will be to get a predictive model for the AS conducted EMI and to compare the simulation results to measurements.To that end, the development of a first representative model of the various physical phenomena occurring in the system is necessary so as to simulate the conducted EMI. In the purpose to improve the accuracy and the time cost of this first model, we were interested with care to a passive macromodeling algorithm allowing to obtain a fast and accurate macromodel to be estimated, what allows to make it an ideal pretender with the aim of an optimization.Then, within the framework of an optimization under constraints, we proposed an illustration of the use of the EMC model established for the studied AS. This optimization based on differential evolution will limit itself to the sizing of an EMI filter, by bringing in, on this occasion, constraints which reflect, in our case, thermal losses.
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Submitted on : Thursday, October 3, 2019 - 3:15:08 PM
Last modification on : Friday, October 4, 2019 - 1:58:46 AM


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  • HAL Id : tel-02304828, version 1


Mohamed Touré. Contribution à la modélisation CEM d'une chaîne d'actionnement pour une application automobile. Electromagnétisme. Université Clermont Auvergne, 2019. Français. ⟨NNT : 2019CLFAC016⟩. ⟨tel-02304828⟩



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