基于激光散斑技术的超声马达定子的实验研究

给出了利用激光散斑测振技术实现超声马达定子谐振频率、振型的实验结果和分析。在简要介绍激光电子散斑测振的原理及装置的基础上，研究了超马达定子在不同的谐振频率下的振型。研究结果表明，利用激光散斑技术实现的定子实验研究，对研究与开发高性能超声马达具有重要的指导意义。

Experimental Research on the Stator of U ltrasonic Motor with Laser Speckle Tech niques

This paper presents the experimental results and its analyses on the stator of the ultrasonic motor, After simply introducing the principle and the equipment of the laser speckle for detecting vibration,the vibration modes under different resonant frequency of the stator of the ultrasonic motor test are completed. The experimental results and its analyses show that the experimental research on the stator is necessary for studying and developing efficient ultrasonic motor.