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Actuators 2016, 5(1), 6; doi:10.3390/act5010006

Piezoelectric Motors, an Overview

Physik Instrumente GmbH & Co. KG, Auf der Roemerstrasse, 1, Karlsruhe 76228, Germany
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Author to whom correspondence should be addressed.
Academic Editor: Kenji Uchino
Received: 1 December 2015 / Revised: 1 February 2016 / Accepted: 17 February 2016 / Published: 26 February 2016
(This article belongs to the Special Issue Piezoelectric Actuators)
View Full-Text   |   Download PDF [6296 KB, uploaded 4 March 2016]   |  

Abstract

Piezoelectric motors are used in many industrial and commercial applications. Various piezoelectric motors are available in the market. All of the piezoelectric motors use the inverse piezoelectric effect, where microscopically small oscillatory motions are converted into continuous or stepping rotary or linear motions. Methods of obtaining long moving distance have various drive and functional principles that make these motors categorized into three groups: resonance-drive (piezoelectric ultrasonic motors), inertia-drive, and piezo-walk-drive. In this review, a comprehensive summary of piezoelectric motors, with their classification from initial idea to recent progress, is presented. This review also includes some of the industrial and commercial applications of piezoelectric motors that are presently available in the market as actuators. View Full-Text
Keywords: piezoelectric; inverse piezoelectric effect; friction coupling; motor piezoelectric; inverse piezoelectric effect; friction coupling; motor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Spanner, K.; Koc, B. Piezoelectric Motors, an Overview. Actuators 2016, 5, 6.

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