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Preprints, Working Papers, ...

Multimodal vibration control by using piezoelectric transducers and passive circuits

Abstract : In this paper we solve the problem of finding an optimal passive electrical controller of beam vibrations exploiting distributed piezoelectric transducers. To this aim an electrical circuit analog to Euler beam is synthesized using a Lagrangian method and by paralleling capacitive flux linkages to rotations and transverse displacements. Therefore a piezo-electromechanical (PEM) beam is conceived by uniformly distributing piezoelectric transducers on a beam and interconnecting their electric terminals via the found analog circuit, completed with suitable resistors. The high performance features of the synthesized novel circuit include: i) the circuit topology is extremely reduced, the used components are all but one two terminal passive elements, and the only two port network needed is an ideal transformer; ii) one and the same dissipative circuit assures a multi resonance coupling with the vibrating beam and the optimal electrical dissipation of mechanical vibrations energy.
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Preprints, Working Papers, ...
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Contributor : Francesco Dell'Isola <>
Submitted on : Thursday, July 29, 2010 - 7:56:23 PM
Last modification on : Tuesday, August 13, 2019 - 10:50:27 AM
Long-term archiving on: : Thursday, December 1, 2016 - 3:04:00 PM


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  • HAL Id : hal-00507120, version 1


Ugo Andreaus, Francesco Dell'Isola, Maurizio Porfiri. Multimodal vibration control by using piezoelectric transducers and passive circuits. 2010. ⟨hal-00507120⟩



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