Contact Analysis and Modeling of Standing Wave Linear Ultrasonic Motor

武汉理工大学学报-材料科学版(英文版), 2011, 26(6): 1235-1242. doi: 10.1007/s11595-011-0396-9

^1, , ^2, , ^3,

1.State Key Laboratory of Mechanics and Control of Mechanical Structure, Nanjing University of Aeronautics & Astronautics,Nanjing 210016, China;Digital Manufacturing Equipment and Technology National Key Laboratory, Huazhong University of Science and Technology, Wuhan 430074, China

2.State Key Laboratory of Mechanics and Control of Mechanical Structure, Nanjing University of Aeronautics & Astronautics,Nanjing 210016, China

3.State Key Laboratory of Mechanics and Control of Mechanical Structure, Nanjing University of Aeronautics & Astronautics,Nanjing 210016, China;Digital Manufacturing Equipment and Technology National Key Laboratory, Huazhong University of Science and Technology, Wuhan 430074, China

基金项目: National Sciences Foundation-Guangdong Natural Science Foundation,China(U0934004) the Digital Manufacturing Equipment and Technology National Key Laboratory,Huazhong University of Science and Technology(DMETKF2009002) the National Basic Research Program (973 program)(2011 CB707602)

Contact Analysis and Modeling of Standing Wave Linear Ultrasonic Motor

SHI Yunlai ^1, , ZHAO Chunsheng ^2, , ZHANG Jianhui ^3,

2.State Key Laboratory of Mechanics and Control of Mechanical Structure, Nanjing University of Aeronautics & Astronautics,Nanjing 210016, China

Keywords： standing wave

A contact model for describing the contact mechanics between the stator and slider of the standing wave linear ultrasonic motor was presented.The proposed model starts from the assumption that the vibration characteristics of the stator is not affected by the contact process.A modified friction models was used to analyze the contact problems.Firstly,the dynamic normal contact force,interface friction force,and steady-state characteristics were analyzed.Secondly,the influences of the contact layer material,the dynamic characteristics of the stator,and the pre-load on motor performance were simulated.Finally,to validate the contact model,a linear ultrasonic motor based on in-plane modes was used as an example.The corresponding results show that a set of simulation of motor performances based on the proposed contact mechanism is in good agreement with experimental results.This model is helpful to understanding the operation principle of the standing wave linear motor and thus contributes to the design of these tvpes of motor.

参考文献

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[2]	Maeno T.;Bogy D.B. .Effect of the hydrodynamic bearing on rotor/stator contact in a ring-type ultrasonic motor[J].IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,1992(6):675-682.
[3]	Rong-Fong Fung;Chih-Min Yao;Dong-Guey Chang .Dynamic and contact analysis of a bimodal ultrasonic motor[J].IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,1999(1):47-60.
[4]	赵向东,陈波,赵淳生.旋转行波超声电机非线性摩擦界面模型[J].南京航空航天大学学报,2003(06):629-633.
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材料期刊网

Contact Analysis and Modeling of Standing Wave Linear Ultrasonic Motor

参考文献