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Experimental Analysis of a Cantilever Beam With a Shunted Piezoelectric Periodic Array

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

Georgia Institute of Technology, Atlanta, GA

Manuel Collet

FEMTO- ST UMR CNR, Besançon, France

Paper No. SMASIS2010-3757, pp. 565-573; 9 pages
doi:10.1115/SMASIS2010-3757
From:
  • ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1
  • Philadelphia, Pennsylvania, USA, September 28–October 1, 2010
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4415-1 | eISBN: 978-0-7918-3886-0
  • Copyright © 2010 by ASME

abstract

The use of both shunted piezoelectric elements and periodic arrays have been investigated independently as well as used in conjunction to modify the vibration of a system. Piezoelectric patches bonded to a cantilever beam which are shunted with an active circuit, specifically a negative capacitance shunt, can control broadband flexural vibrations of a structure. Also, periodic arrays integrated into a structure allow for modification of propagating waves through the mechanical “stop-bands”. The performance of a combined shunted periodic piezoelectric patch array will be analyzed here by investigating the velocity amplitude of the beam away from the array and in the array section, and the number of control elements in the array.

Copyright © 2010 by ASME

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