Modeling and Analysis of Contact Friction Characteristics in A Radial Standing Wave Type Ultrasonic Motor

被引：0

作者：

Jiang C. ^{[1
]}

Dong X. ^{[2
]}

Jin L. ^{[3
]}

Lu D. ^{[1
]}

机构：

[1] School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing

[2] College of Energy and Electrical Engineering, Hohai University, Nanjing

[3] School of Electrical Engineering, Southeast University, Nanjing

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2021年 / 41卷 / 17期

基金：

中国国家自然科学基金;

关键词：

Contact friction characteristics; Dahl friction model; Radial standing wave; Torque-speed curves; Ultrasonic motor;

D O I：

10.13334/j.0258-8013.pcsee.201383

中图分类号：

学科分类号：

摘要：

The contact friction model of ultrasonic motor is of great importance for the output optimization and control circuit design of the motor. The majority of existing researches on contact friction models of ultrasonic motors are based on Coulomb friction model, and the accuracy of calculated results needs to be further improved. The focus of this paper was to model and analyze the contact friction characteristics of a radial standing wave type ultrasonic motor based on Dahl friction model. Firstly, the structure of the motor was introduced. Secondly, the stator vibration, the contact friction between the stator and rotor, and the rotation of the rotor were analyzed. The contact friction drive model of the motor was proposed based on Dahl friction model, in which transient response of the stator vibration was taken into account. The frictional force on the contact surface, the speed responses of the motor under different loads, and the torque-speed curves of the motor were investigated based on the proposed model. Finally, torque-speed curves of the prototype motor were measured and compared with the calculated results. Good agreements were obtained, which verifies the proposed model. In addition, the calculated values based on Coulomb friction model were also compared. The results show that the calculated values based on Dahl friction model are more accurate than the values based on Coulomb friction model. © 2021 Chin. Soc. for Elec. Eng.

引用

页码：6081 / 6089

页数：8

共 22 条

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