本书从振动和波动理论出发，全面而系统地阐述了超声电机的运动机理、机电耦合模型、结构参数优化设计、驱动与控制技术，深入而完整地总结了著者及其团队15年来在超声电机技术方面的发展与创新。

本书不仅总结了超声电机的系统的理论和方法，而且也反映了著者及其团队在试验研究和工程应用方面所做的工作和积累的经验。

本书适于从事超声电机或作动器研究、设计和应用的工程技术人员参考，并可作为高等院校精密工程或精密驱动等相关专业的博士和硕士研究生教学用书。

A comprehensive tutorial on ultrasonic motors for practicing engineers,researchers and graduate students. Ultrasonic Motors Technologies and Applications describes the operating mechanism, electromechanical coupling models, optimization design of structural parameters, testing methods, and drive/control techniques of various ultrasonic motors and their applications.

1 Introduction

2 Fundamentals of Piezoelectricity and Piezoelectric Materials for Ultrasonic Motors

3 Fundamentals of Tribology and Tribomaterials for Ultrasonic Motors

4 Fundamentals of Vibration for Ultrasonic Motors

5 Operating Mechanism and Modeling of Traveling Wave Rotary Ultrasonic Motor

6 Design and Manufacture of Traveling Wave Rotary Ultrasonic Motors

7 Bar-type Traveling Wave Rotary Ultrasonic Motors

8 Ultrasonic Motor Using Longitudinal-Torsional Hybrid Vibration

9 Linear Ultrasonic Motors

10 Step Ultrasonic Motors

11 Other Ultrasonic Motors

12 Driving Techniques for Ultrasonic Motors

13 Control Techniques for Ultrasonic Motors

14 Testing Techniques for Ultrasonic Motors

15 Applications of Ultrasonic Motors in Engineering

Index

Appendix A Natural Vibration Frequencies and Mode Shape Functions of Bars Shafts, Beams, and Plates

Appendix B Natural Vibration Mode Shapes of Bars, Shafts, and Beams

Appendix C Natural Vibration Displacement and Strain Mode Shapes of Plates, and Their Nephogram