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Actuating mechanism and design of a double driving feet linear ultrasonic motor using longitudinal vibration transducer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A double driving feet linear ultrasonic motor using longitudinal vibration transducer is proposed in this paper. The stator of proposed motor contains a horizontal transducer and two vertical transducers. The horizontal transducer includes two exponential shape horns located at the leading ends, and each vertical transducer contains one exponential shape horn. The horns intersected at the tip ends where located the driving feet. The horizontal and vertical vibrations of driving feet are generated by the longitudinal vibrations of horizontal and vertical transducers, respectively. Longitudinal vibrations are superimposed in the stator and generated elliptical motions at the driving feet. The two vibration modals of stator are gained with FEM, and the resonant frequencies of two vibration modals are degenerated by adjusting the structural parameters. Transient analysis of piezoelectric coupling states the good and strong elliptical motions of driving feet, and verifies the theoretical feasibility of proposed motor.

Original languageEnglish
Title of host publicationHigh-Performance Ceramics VI
PublisherTrans Tech Publications Ltd
Pages775-778
Number of pages4
ISBN (Print)0878492747, 9780878492749
DOIs
StatePublished - 2010
Event6th China International Conference on High-Performance Ceramics, CICC-6 - Harbin, China
Duration: 16 Aug 200919 Aug 2009

Publication series

NameKey Engineering Materials
Volume434-435
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Conference

Conference6th China International Conference on High-Performance Ceramics, CICC-6
Country/TerritoryChina
CityHarbin
Period16/08/0919/08/09

Keywords

  • Double driving feet
  • Linear
  • Longitudinal transducer
  • Ultrasonic motor

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