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Distributed electric absorbers of beam vibrations

Abstract : Several electric vibration absorbers based on distributed piezoelectric control of beam vibrations are studied. The damping devices are conceived by interconnecting with different modular electric networks an array of piezoelectric transducers uniformly distributed on a beam. Five different vibration absorbers made of five different network interconnecting topologies are considered and their damping performances are analyzed and compared. The analysis is based on homogenized models of modular piezo-electromechanical systems. The optimal parameters of these absorbers are found by adopting the criterion of critical damping of waves with a single wave number. We show that: i) there is an interconnecting network providing an optimal multimodal damping; ii) the performances required to the electr(on)ic components can be significantly decreased by increasing the number (and decreasing the dimensions) of the piezoelectric transducers
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Preprints, Working Papers, ...
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Contributor : Francesco Dell'Isola <>
Submitted on : Tuesday, July 27, 2010 - 9:45:32 PM
Last modification on : Thursday, January 7, 2021 - 3:50:13 PM
Long-term archiving on: : Tuesday, October 23, 2012 - 11:31:34 AM


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  • HAL Id : hal-00506488, version 1


Francesco Dell'Isola, Dionisio del Vescovo, Corrado Maurini. Distributed electric absorbers of beam vibrations. 2010. ⟨hal-00506488⟩



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