Abstract
Keywords: The three-phase induction motor; MATLAB; The PWM control technology Abstract. In this paper, a pulse width modulation (PWM) control approach to speed trackong control is developed for the three-phase induction motor in electric vehicles. The PWM technique is amployed to design controllers. By incorporating the three-phase bridge recifier into the motor based on the PWM technique ,the PWM control approach is developed.The proposed control method is able to overcome the disadvatage of the motor in the traditional design procedure.In addition,it is proved that the tracking error converges to a small neighborhood of the all origin and all the closed-loop signals are bounded. The results of the MATLAB simulation illustrate the effectiveness of the proposed approach.
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