首页|Optimal Research of Actuator Placement for Piezoelectric Smart Structure
Optimal Research of Actuator Placement for Piezoelectric Smart Structure
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The purpose of this paper is to investigate the optimal placement of piezoelectric actuator for active vibration control of smart structure. The structures can be described in the modal space based on the independent modal space control method and dynamic equations derived from finite element model. The modal damping ratios are derived from modal equations and an optimal target is given by maximizing the modal damping ratios. Accumulation method is adopted to the optimization calculation. Simulations are carried out for active vibration control of a conical shell with distributed piezoelectric actuators. Control effects proved the validity of the optimal method above by compared with the non-optimal results. The optimal method in this paper gives a useful guide for quantity optimization of actuators to piezoelectric structures.
piezoelectric actuatorsmart structureoptimal placementmodal control
Wang Wei-yuan、Xue Kai、Shi Dong-yan
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Gollege of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001,China Heilongjiang Modern Manufacturing Engineering Research Center, Harbin 150001, China
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