Conference paper

Performance analysis and optimization of the travelling wave ultrasonic motor

We will present a method allowing to evaluate the mechanical performances (torque, speed, mechanical power, dissipated losses in the surface of contact between stator and rotor) of the travelling wave ultrasonic motors. The visualization of the motor characteristics will make it possible to the manufacturer to optimize the operation point of the motor compared to these proper used criteria. The method was developed based only on the two-dimensional equivalent mechanical model of the motor.


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