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Weakly Nonlinear Characteristics of a Three-Layer Circular Piezoelectric Plate-Like Power Harvester Near Resonance

Published online by Cambridge University Press:  14 November 2013

H. R. Wang ,
X. Xie ,
Y. T. Hu  and
J. Wang
H. R. Wang
Affiliation:
Department of Mechanics, Huazhong University of Scienceand Technology, Wuhan 430074, P.R.C. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, P.R.C.
X. Xie
Affiliation:
Department of Mechanics, Huazhong University of Scienceand Technology, Wuhan 430074, P.R.C.
Y. T. Hu*
Affiliation:
Department of Mechanics, Huazhong University of Scienceand Technology, Wuhan 430074, P.R.C.
J. Wang
Affiliation:
Piezoelectric Device Laboratory, Department of Mechanics and Engineering Science, School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, Zhejiang 315211, P.R.C.
*
hudeng@263.net
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Abstract

The nonlinear characteristics of a simply-supported three-layer circular piezoelectric plate-like power harvester near resonance are examined in the paper, where the energy-scavenging structure consists of two properly poled piezoceramic layers separated by a central metallic layer. The structure is subjected to a uniform harmonic pressure on the upper surface. Nonlinear effects of large deflection near resonance to induce the incidental in-plane extension are considered. Results on output powers are presented, which exhibit multi-valuedness and jump phenomena.

Keywords

Piezoelectric power harvesterNonlinear vibrationMulti-valuedness
Type
Research Article
Information
Journal of Mechanics , Volume 30 , Issue 1 , February 2014 , pp. 97 - 102
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2014 

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References

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