Design and performance evaluation of a noncontact rotation actuator driven by near-field ultrasonic energy

He Li,Longjie Li,Yi Shen,Minyu Wei,Guanzhong Wang,Yuanbo Li,Qingliang Zeng

APPLIED ACOUSTICS（2023）

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摘要

•A noncontact rotation actuator is proposed and its test prototype is fabricated.•The ultrasonic emitter and the rotor are designed and optimized.•The influences of the rotor structure and driving parameters on the contact-free rotation performance are investigated.

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关键词

Noncontact actuator,Ultrasonic emitter,Piezoelectric ceramics,Levitation characteristics,Rotary speed

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