ACTIVE VIBRATION SUPPRESSION VIA LINEARIZING HYSTERESIS OF PIEZOCERAMIC ACTUATORS

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A novel active Vibration control technique on the basis of linearized piezoelectric actuators is presented. An experimental apparatus consisting of a cantilever beam to which are attached strain patches and piezoceramic actuators to be used for active Vibration suppression is described. A dynamical model of the cantilever beam using Lagrange’s equation and two coordinate Systems are presented. Based on the Lyapunov’s direct method, an active Vibration Controller with hysteresis compensation is designed. The Controller is designed so that it guarantees the global stability of the overall System. The Controller developed is assessed experimentally.
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