A general adaptive feedforward compensation algorithm for active vibration control with mechanical coupling and local feedback

Abstract : Adaptive feedforward broadband vibration (or noise) compensation is currently used when a correlated measurement with the disturbance is available. Most of the active vibration control systems feature an internal " positive " mechanical feedback between the compensation system and the reference source (a correlated measurement with the disturbance). Such systems have often also a feedback control loop for reducing the effect of disturbances. For stability reasons the adaptation algorithms require the implementation of a filter on observed data or a filtering of the residual acceleration in order to satisfy some passivity conditions. Recently the use of the " Integral + Proportional " (IP) adaptation has been proposed. The paper provides a general algorithms for the adaptive feed-forward compensation which includes as particular cases the various algorithms presented in the literature. The algorithm has been applied to an active vibration control system.
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Ioan Doré Landau, Tudor-Bogdan Airimitoaie. A general adaptive feedforward compensation algorithm for active vibration control with mechanical coupling and local feedback. 22nd Mediterranean Conference on Control & Automation (MED 2014), Mediteranean Control Association, Jun 2014, Palermo, Italy. pp.67-72, ⟨10.1109/MED.2014.6961328⟩. ⟨hal-01394158⟩

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