Stratégies de contrôle et analyse des défauts d'une machine à réluctance variable pour une chaîne de traction électrique

Abstract : Nowadays, electric and hybrid vehicles are gaining increased attention due to environmental and energy concerns. In these vehicles, the electrical machines used are the conventional machines, namely induction and permanent magnet synchronous machines. The switched reluctance machine is a potential candidate technology for electric and hybrid drivetrains. This machine designed without magnets and redundant windings, can combine the robustness and low cost of induction machines to the good performance of permanent magnet synchronous machines. In this context, the first objective of this thesis is to propose robust control strategies of the switched reluctance machine, taking into account the constraints of electric vehicles in order to make a comparative performance study. In this study, PI control, sliding mode control and higher order sliding mode control are proposed. The second objective is to develop state observers for sensorless control. Robust observers based on extended Kalman filter theory and sliding modes are synthesized to achieve this goal. Finally, the third objective is to make an analysis of electrical open-circuit faults of the electronic power stage using the signal approach in order to develop a methodology of automatic fault isolation.
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Yakoub Saadi. Stratégies de contrôle et analyse des défauts d'une machine à réluctance variable pour une chaîne de traction électrique. Automatique / Robotique. Université Paris-Saclay, 2019. Français. ⟨NNT : 2019SACLS161⟩. ⟨tel-02276294⟩

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