Several key issues in developing of cylinder type 3-DOF ultrasonic motor

被引：22

作者：

Li, Zhirong ^{[1
]}

Zhao, Chunsheng

Huang, Weiqing

Li, Zhao-Liang

机构：

[1] Suzhou Vocat Univ, Dept Mech & Elect Engn, Suzhou 215104, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, RCUM, Nanjing 210016, Peoples R China

[3] LSIIT, F-67412 Illkirch Graffenstaden, France

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2007年 / 136卷 / 02期

基金：

中国国家自然科学基金;

关键词：

3-degree of freedom; ultrasonic motor; stator; mode of vibration;

D O I：

10.1016/j.sna.2007.01.016

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A cylinder type 3-DOF ultrasonic motor consists of a cylinder-shaped stator and aspherical rotor. Two bending vibration modes with orthogonality and a longitudinal vibration mode are excited in the stator by three groups of piezoelectric ceramic elements, respectively. The combinations of any two modes mentioned above push the rotor to rotate in one plane. Totally, the rotor can rotate around x, y or z-axes. This paper summarizes some key issues in developing the motor whose output properties and efficiency can be improved. These key issues include selection of the vibration modes, consistency of the modal frequencies, placement of the piezoelectric ceramic elements and the supporting plane, setting of pre-pressure and rotor-stator contact angle, influence of interfering modes. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：704 / 709

页数：6

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