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Proceedings Paper

Optimal piezoelectric switching technique for vibration damping
Author(s): Marcus Neubauer; Robert Oleskiewicz
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Paper Abstract

This paper describes piezoelectric switching techniques for vibration damping. The dynamical behaviour of a piezoceramics connected to a switching LR shunt and the dissipated energy are obtained using a fundamental piezoelectric model. All calculations are performed in a normalized way and highlight the influence of the electromechanical coupling coefficient of the piezoceramics and the shunt parameters. For the first time, a precise result for the dynamics of a shunted piezoceramics is derived. The analytic results are used to determine the optimal switching sequence and external branch parameters in order to maximize the damping performance. The results are validated by measurements of a clamped beam.

Paper Details

Date Published: 27 April 2007
PDF: 12 pages
Proc. SPIE 6525, Active and Passive Smart Structures and Integrated Systems 2007, 652512 (27 April 2007); doi: 10.1117/12.716638
Show Author Affiliations
Marcus Neubauer, Institute of Dynamics and Vibrations (Germany)
Robert Oleskiewicz, Koszalin Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 6525:
Active and Passive Smart Structures and Integrated Systems 2007
Yuji Matsuzaki; Mehdi Ahmadian; Donald J. Leo, Editor(s)

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