Recent and future development of multi-degree-of-freedom ultrasonic motors

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Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (15) : 1-7.

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Recent and future development of multi-degree-of-freedom ultrasonic motors

Guo Ji-feng, Bai Yang, Wang Jian

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Abstract

Ultrasonic motors (USM) have the advantages of low speed, high torque, quick response, high resolution and anti-electromagnetic interference, which bring them broad application prospects in the field of robots, industrial instrument and security technologies. Multi-degree-of-freedom (MDOF) motor is one of the most cutting-edge aspects of the ultrasonic motor researches. In this paper, several typical MDOF ultrasonic motors of different types are introduced. The structure, working principle and characteristics are mainly discussed. Some typical examples are given and the key achievements are summarized, as well as their applications. The research and development trends are proposed in the end.

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multi-degree-of-freedom spherical motor / ultrasonic motors / robot / recent progress / research trends

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Guo Ji-feng;Bai Yang;Wang Jian. Recent and future development of multi-degree-of-freedom ultrasonic motors[J]. Journal of Vibration and Shock, 2013, 32(15): 1-7