Practical consideration of shear strain correction factor and Rayleigh damping in models of piezoelectric transducers

Jose L Pons*, H. Rodríguez, E. Rocon, J. F. Fernández, M. Villegas

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A number of papers address the analytical modelling of piezoelectric transducers and, in particular, of travelling wave ultrasonic motors. Most of them focus on the complex electro-mechanical modelling of the motor stator. In this paper, the practical consideration of shear strain correction factor and an experimental introduction of structural damping in analytical models is introduced. First, the analytical model is briefly introduced and then, the proposed introduction of viscous damping is based on a two-coefficient Rayleigh model. Experimental verification is reported. It includes two experimental ultrasonic motor stators. In addition, the simulation results are compared with that of the state-of-the-art FEM results.

Original languageEnglish (US)
Pages (from-to)202-208
Number of pages7
JournalSensors and Actuators, A: Physical
Volume115
Issue number2-3 SPEC. ISS.
DOIs
StatePublished - Sep 21 2004

Keywords

  • Analytical model
  • FEM
  • Piezoelectric transducers
  • Rayleigh damping
  • Ultrasonic motors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

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