Title :
Performance analysis and optimization of the travelling wave ultrasonic motor
Author :
Bullo, Matteo ; Perriard, Yves
Author_Institution :
Integrated Actuators Lab., Swiss Fed. Inst. of Technol., Lausanne, Switzerland
Abstract :
The authors present a method allowing evaluation of the mechanical performances (torque, speed, mechanical power, dissipated losses on the surface of contact between stator and rotor) of travelling wave ultrasonic motors. The visualization of the motor characteristics makes it possible for the manufacturer to optimize the operation point of the motor compared to the commonly used criteria. The method was developed based only on a 2-D equivalent mechanical model of the motor.
Keywords :
equivalent circuits; machine theory; optimisation; rotors; stators; torque; ultrasonic motors; velocity; contact surface; dissipated losses; mechanical power; motor characteristics visualization; motor optimisation; motor performance analysis; rotor; speed; stator; torque; travelling wave ultrasonic motor; two-dimensional equivalent mechanical model; Actuators; Ceramics; Performance analysis; Rotors; Servomotors; Space exploration; Stators; Surface waves; Torque; Traction motors;
Conference_Titel :
Industry Applications Conference, 2002. 37th IAS Annual Meeting. Conference Record of the
Conference_Location :
Pittsburgh, PA, USA
Print_ISBN :
0-7803-7420-7
DOI :
10.1109/IAS.2002.1043794
