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Experimental Implementation of Negative Impedance Shunts on Periodic Structures

[+] Author Affiliations
Benjamin Beck, Kenneth A. Cunefare, Massimo Ruzzene

Georgia Institute of Technology, Atlanta, GA

Manuel Collet

FEMTO- ST UMR CNRS, Besançon, France

Paper No. SMASIS2009-1369, pp. 567-576; 10 pages
  • ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 1: Active Materials, Mechanics and Behavior; Modeling, Simulation and Control
  • Oxnard, California, USA, September 21–23, 2009
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4896-8 | eISBN: 978-0-7918-3857-0
  • Copyright © 2009 by ASME


Shunt damping of structures has been heavily researched, both passively and actively. Negative capacitance shunts actively control vibration on a structure and have been shown to obtain significant broadband suppression. The use of smaller piezoelectric patches, implemented in a periodic array, can alter the behavior of the control. Assorted shunt arrangements as well as circuit configurations will be investigated. Experimental results will be compared to theoretical predictions of shunt performance.

Copyright © 2009 by ASME



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