A High-Power Linear Ultrasonic Motor Using Longitudinal Vibration Transducers With Single Foot

被引:54
|
作者
Liu, Yingxiang [1 ]
Chen, Weishan [1 ]
Liu, Junkao [1 ]
Shi, Shengjun
机构
[1] Harbin Inst Technol, State Key Lab Robot & Syst, Sch Mechatron Engn, Harbin, Heilongjiang, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1109/TUFFC.2010.1625
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A high-power linear ultrasonic motor using longitudinal vibration transducers with single foot was proposed in this paper. The stator of proposed motor contains a horizontal transducer and a vertical transducer. Longitudinal vibrations are superimposed in the stator and generate an elliptical trajectory at the driving foot. The sensitivity analysis of structural parameters to the resonance frequencies of two working modes of the stator was performed using the finite element method. The resonance frequencies of two working modes were degenerated by adjusting the structural parameters. The vibration characteristics of stator were studied and discussed. A prototype motor was fabricated and measured. Typical output of the prototype is a no-load speed of 1160 mm/s and maximum thrust force of 20 N at a voltage of 200 V-rms.
引用
收藏
页码:1860 / 1867
页数:8
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