Ru-huan Chen

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Ultrasonic motor is a new type micro motor, with the characteristics of Light weight, low speed, no electromagnetic interference, high torque and fast response, which has broad application prospects In the field of national defense and military and aerospace. Therefore, the study of ultrasonic motor's performance is very necessary in the high/low(More)
Based on the understanding of operation principle of traveling wave rotary ultrasonic motor, the physical condition is investigated for the disk stator with orthogonal vibration modes of the same frequency. It is pointed that the stator teeth have effect on geometry axial symmetry of the disk stator in addition to the increased driving for the rotor.(More)
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