A finite volume method and experimental study of a stator of a piezoelectric traveling wave rotary ultrasonic motor

被引：48

作者：

Bolborici, V. ^{[1
]}

Dawson, F. P. ^{[2
]}

Pugh, M. C. ^{[3
]}

机构：

[1] Univ Texas El Paso, Dept Elect & Comp Engn, El Paso, TX 79968 USA

[2] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada

[3] Univ Toronto, Dept Math, Toronto, ON M5S 2E4, Canada

来源：

ULTRASONICS | 2014年 / 54卷 / 03期

关键词：

Piezoelectric; Ultrasonic; Motor; Stator; Eigenfrequency;

D O I：

10.1016/j.ultras.2013.10.005

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Piezoelectric traveling wave rotary ultrasonic motors are motors that generate torque by using the friction force between a piezoelectric composite ring (or disk-shaped stator) and a metallic ring (or disk-shaped rotor) when a traveling wave is excited in the stator. The motor speed is proportional to the amplitude of the traveling wave and, in order to obtain large amplitudes, the stator is excited at frequencies close to its resonance frequency. This paper presents a non-empirical partial differential equations model for the stator, which is discretized using the finite volume method. The fundamental frequency of the discretized model is computed and compared to the experimentally-measured operating frequency of the stator of Shinsei USR60 piezoelectric motor. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：809 / 820

页数：12

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