Continuously distributed control of plates by electric networks with PZT actuators

Abstract : In this paper it is described a novel device aiming to control the mechanical vibrations of plates by means of a set of interconnected piezoelectric actuators. They are uniformly embedded in the plate and connect every node of an electric network to ground thus playing the two-fold role of capacitive element in the electric net and of couple suppliers. A mathematical model is introduced to describe the behavior of the system the time evolution of which is obtained as the solution of a system of partial differential equations. A self-resonance criterion is established which assures the possibility of electro-mechanical energy exchange. Finally the problem of vibration control in simply supported and clamped plates is addressed: the optimal net-impedance is determined. The results indicate that the proposed device can improve the performances of piezoelectric actuation.
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Preprints, Working Papers, ...
2010
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https://hal.archives-ouvertes.fr/hal-00514425
Contributor : Francesco Dell'Isola <>
Submitted on : Thursday, September 2, 2010 - 1:17:50 PM
Last modification on : Thursday, September 2, 2010 - 1:21:49 PM
Document(s) archivé(s) le : Thursday, December 1, 2016 - 10:04:57 AM

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  • HAL Id : hal-00514425, version 1

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Stefano Vidoli, Francesco Dell'Isola. Continuously distributed control of plates by electric networks with PZT actuators. 2010. <hal-00514425>

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