Nonlinear Sliding-Mode Control for Induction Motors Based on Speed Sensorless

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Abstract:

In order to eliminate buffeting problems caused by the traditional sliding mode control algorithm of induction motors, this paper adopts a continuous control term. In the meanwhile, a simple observer is designed to estimate the rotor flux and rotor torque. Besides, the mechanical equation of induction motor is applied to calculate the motor speed. Finally, according to the results of simulation, the buffeting problems are basically eliminated and thus the method mentioned in this paper is proved feasible.

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105-109

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October 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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