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Development of partial model-based torque control of AC induction motors

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2 Author(s)
Dong Sun ; Dept. of Manuf. Eng. & Eng. Manage., City Univ. of Hong Kong, China ; J. K. Mills

A partial model-based torque control algorithm is developed for AC induction motors. The motor is regarded as a torque source, and a desired torque signal is designed based on the desired position trajectory. A reference quadrature axis current input is further developed to cause the torque to track the designed torque signal, utilizing a torque feedforward plus a PI-type torque feedback control. The method utilizes partial knowledge of the electromechanical dynamic model of the induction motor. Experiments conducted on a commercial AC induction servo system demonstrate the validity of the proposed approach

Published in:

IEEE Transactions on Robotics and Automation  (Volume:17 ,  Issue: 1 )