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山东大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 112-116.doi: 10.6040/j.issn.1672-3961.0.2015.282

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一种减小行波型旋转超声电动机径向滑移的方法

纪跃波,伍旺贤   

  1. 集美大学机械与能源工程学院, 福建 厦门 361021
  • 收稿日期:2015-08-24 出版日期:2016-06-30 发布日期:2015-08-24
  • 作者简介:纪跃波(1969— ),男,福建厦门人,教授,博士,主要研究方向为超声电动机及动态测试技术.E-mail:ybji@jmu.edu.cn
  • 基金资助:
    福建省自然科学基金资助项目(2013J01200)

A method of reducing the slip in radial direction of the traveling wave type rotary ultrasonic motor

JI Yuebo, WU Wangxian   

  1. College of Mechanical and Energy Engineering, Jimei University, Xiamen 361021, Fujian, China
  • Received:2015-08-24 Online:2016-06-30 Published:2015-08-24

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摘要： 为了减小行波型旋转超声电动机定子与转子间的径向滑移,提出通过增大转子摩擦层径向最大剪切变形角的方法和基于定子与摩擦层间的黏滑原理来减小定子与转子间的径向滑移,分析了影响摩擦层的径向最大剪切变形角的因数;在ANSYS10.0中建立电动机定转子三维有限元接触模型;对影响定转子间径向滑移的因素进行仿真分析。分析结果表明,可以通过增大定子与摩擦层间的摩擦因子和增大摩擦材料的泊松比来减小电动机定子与转子间的径向滑移。摩擦材料泊松比的改变对减小径向滑移的贡献程度要大于定子与摩擦层间摩擦因子的改变对减小径向滑移的贡献程度。

关键词: 径向滑移, 超声电机, 摩擦层, 有限元仿真, 剪切变形角

Abstract: In order to reduce the slip in radial direction of the traveling wave type rotary ultrasonic motor(TRUM), a method of increasing the maximum of shear deformation of friction layer of rotor was put forward to achieve the purpose of reducing the slip in radial direction of TRUM. The factors which affect the radial maximum angle of shear deformation of the friction layer were got based on the principle of stick-slip of the contact area between the stator and the rotor in TRUM. The motors three-dimensional finite element contact model was built and simulation analysis was conducted with finite element software ANSYS10.0. The analysis results showed that the value of coefficient of friction and the value of poissons ratio of the friction layer material could be increased to reduce the slip in radial direction of TRUM. And the influence of the variation of poissons ratio was more noticeable than that of coefficient of friction on reducing the slip in radial direction of TRUM.

Key words: finite element simulation, shear deformation angle, radial slip, ultrasonic motor, friction layer

中图分类号: 

  • TM359.9
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