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Adaptive feedforward compensation algorithms for active vibration control with mechanical coupling

Abstract : Adaptive feedforward broadband vibration (or noise) compensation is currently used when a correlated measurement with the disturbance (an image of the disturbance) is available. However in most of the systems there is a "positive" mechanical feedback coupling between the compensator system and the measurement of the image of the disturbance. This may lead to the instability of the system. The paper proposes new algorithms taking into account this coupling effect and provides the corresponding analysis. The algorithms have been applied to an active vibration control (AVC) system and real time results are presented. A theoretical and experimental comparison with some existing algorithms is also provided.
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Ioan Doré Landau, Marouane Alma, Tudor-Bogdan Airimitoaie. Adaptive feedforward compensation algorithms for active vibration control with mechanical coupling. Automatica, Elsevier, 2011, 47 (10), pp.2185-2196. ⟨10.1016/j.automatica.2011.08.015⟩. ⟨hal-00597558⟩

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