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Ultrasonic linear motor using a multilayered piezoelectric actuator

Masayuki Tohda, S. Ichikawa, Kenji Uchino, Kentaro Kato

Open publisher page 13 citations

Abstract

A new type of linear motor using a multilayered piezoelectric actuator has been developed. The slider consists of a multilayered piezoelectric actuator and a vibratory fork. An elliptical motion is generated at the end of legs of the vibratory fork. The slider can move by means of the frictional force at the leg tips and the moving direction can be controlled by changing the drive frequency. This motor is very compact (23mm × 13.5mm × 5mm in size) with higher power (conveyable weight > 1kgf).

About this research paper

What this paper is about

A new type of linear motor using a multilayered piezoelectric actuator has been developed. The slider consists of a multilayered piezoelectric actuator and a vibratory fork. An elliptical motion is generated at the end of legs of the vibratory fork. The slider can move by means of the frictional force at the leg tips and the moving direction can be controlled by changing the drive frequency. This motor is very compact (23mm × 13.5mm × 5mm in size) with higher power (conveyable weight > 1kgf).

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OpenAlex reports 13 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A new type of linear motor using a multilayered piezoelectric actuator has been developed. The slider consists of a multilayered piezoelectric actuator and a vibratory fork. An elliptical motion is generated at the end of legs of the vibratory fork. The slider can move by means of the frictional force at the leg tips and the moving direction can be controlled by changing the drive frequency. This motor is very compact (23mm × 13.5mm × 5mm in size) with higher power (conveyable weight > 1kgf).

Key concepts: Slider, Ultrasonic motor, Materials science, Piezoelectricity, Piezoelectric motor, Actuator, Linear motor, Acoustics

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