Impact of the tribological characteristics on the dynamics of the ultrasonic piezoelectric motor

  • J. Padgurskas Aleksandras Stulginskis University
  • R. Rukuiža Aleksandras Stulginskis University
  • R. Bansevičius Kaunas University of Technology
  • V. Jūrėnas Kaunas University of Technology
  • A. Bubulis Kaunas University of Technology
Keywords: tribology, friction, piezoelectric motor, resonant frequency, amplitude, vibrations.

Abstract

The paper presents the methodology of tribological parameters control in the contact zone of ultrasonic piezo-electric motors. The main tribological surface characteris-tics influencing the speed regularity of USM in steady regimen (macro- and micro-asperities and friction coeffi-cient fluctuations between rotor surface and friction ele-ment) were analysed. Presenting control schemes of piezo-electric motors can diagnose the tribological properties of the contact zone and stabilise the rotation speed of piezo-electric motor.

DOI: http://dx.doi.org/10.5755/j01.mech.21.1.10136

Published
2015-03-02
Section
DYNAMICS OF MECHANICAL SYSTEMS