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Analysis of the Bistable Piezoelectric Inertial Generator by the Harmonic Balance Method

[+] Author Affiliations
Benjamin A. M. Owens, Samuel C. Stanton, Brian P. Mann

Duke University, Durham, NC

Paper No. IMECE2012-85965, pp. 1159-1166; 8 pages
  • ASME 2012 International Mechanical Engineering Congress and Exposition
  • Volume 4: Dynamics, Control and Uncertainty, Parts A and B
  • Houston, Texas, USA, November 9–15, 2012
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4520-2
  • Copyright © 2012 by ASME


This paper analytically predicts the existence, stability, and changes due to parameter variations on the different oscillations of a bistable piezoelectric generator. Existing work on this type of system has assumed linear piezoelectric behavior and linear damping and has been confined to numerical studies and experimental explorations. This paper improves upon the previous work by incorporating nonlinear dissipation and cubic softening influences in the electroelastic laminates prior to analytical analysis. This analysis provides a framework for theoretical prediction of a variety of empirical observations including potential well escape and optimum impedance loading.

Copyright © 2012 by ASME
Topics: Generators



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