Generated power characterization of piezoelectrics with electromechanical coupling coefficient and quality factor

J. H. Cho, R. F. Richards, D. F. Bahr, C. D. Richards, M. J. Anderson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

A simple equation for generated power of piezoelectric devices was developed for the case in which deflection is fixed. The generated power equation is expressed in terms of stiffness, resonant frequency, deflection and electromechanical coupling coefficient k2. The generated power equation shows that power is not a function of quality factor Q under this condition. The power output produced by three piezoelectric cantilevers with a variation in dimensions, k2, natural frequency, and stiffness was measured and compared to the model of the generated power. The model and experiment agreed very well.

Original languageEnglish (US)
Title of host publication2006 IEEE International Ultrasonics Symposium, IUS
Pages485-488
Number of pages4
DOIs
StatePublished - Dec 1 2006
Event2006 IEEE International Ultrasonics Symposium, IUS - Vancouver, BC, Canada
Duration: Oct 3 2006Oct 6 2006

Publication series

NameProceedings - IEEE Ultrasonics Symposium
Volume1
ISSN (Print)1051-0117

Other

Other2006 IEEE International Ultrasonics Symposium, IUS
CountryCanada
CityVancouver, BC
Period10/3/0610/6/06

Keywords

  • Deflection
  • Efficiency
  • Electromechanical coupling coefficient
  • Piezoelectrics
  • Power
  • Quality factor

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