Architectures d'alimentation et de commande d'actionneurs tolérants aux défauts : régulateur de courant non linéaire à large bande passante

Abstract : The objective of this work is to study different structures of supply and control of actuators for the embarked systems, motorized by permanent magnet synchronous machines (PMSM) supplied with voltage source inverters (VSI). By analyzing the advantages and the disadvantages of these structures, we choose two power segmented structures: a three-phase PMSM supplied with two three-leg VSI and a double-star PMSM supplied by two three-leg VSI. The other aspect is the fault detection and the reconfiguration of the supply and command to make possible the operation in degraded mode. For the open-circuit or short-circuit fault of an inverter switch, one or several strategies in degraded operating mode are proposed. The simulation and experimentation results validate the effectiveness of the proposed methods. The last part of this work is devoted to the study and modeling of a large band-width hybrid current controller named "modulated hysteresis". The performances of this controller are compared with the other regulators
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Mohammad Ali Shamsi Nejad. Architectures d'alimentation et de commande d'actionneurs tolérants aux défauts : régulateur de courant non linéaire à large bande passante. Autre. Institut National Polytechnique de Lorraine, 2007. Français. ⟨NNT : 2007INPL046N⟩. ⟨tel-01752953⟩

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