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Rejet adaptatif de perturbations en contrôle actif de vibrations

Abstract : This thesis work is a part of adaptive disturbances rejection on some flexible structures in active vibration control (AVC). The objective was to develop adaptive control strategies for the active disturbances rejection, and to implement them on real process located in the Automatic Control Department of GIPSA-Lab in Grenoble. In the first part, the rejection of unknown narrow-band disturbances (Sinusoidal and multi-sinusoidal) was treated using adaptive control laws in « feedback » based on the internal model principle. These control laws have been validated experimentally on an active suspension platform. In the second part, adaptive algorithms for the minimization of the effects of "broadband" disturbances in "feedforward" have been proposed, analyzed and tested in practice on a flexible structure of active vibration control.
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Marouane Alma. Rejet adaptatif de perturbations en contrôle actif de vibrations. Automatique / Robotique. Université de Grenoble, 2011. Français. ⟨NNT : 2011GRENT018⟩. ⟨tel-00607174⟩

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