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The Method to Minimize the Commutation Torque Ripple in Brushless DC Motor

Peng Zhong

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Abstract

The reasons of torque ripple in brushless DC motor was analyzed.The values of torque ripple and the effects reasons were come out through the analyzing and modeling of the operation.Then,the corresponding PWM mode to compensate the commutation torque ripple in different velocity sections was proposed.In the end,the simulation results showed that the method was practical.

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What this paper is about

The reasons of torque ripple in brushless DC motor was analyzed.The values of torque ripple and the effects reasons were come out through the analyzing and modeling of the operation.Then,the corresponding PWM mode to compensate the commutation torque ripple in different velocity sections was proposed.In the end,the simulation results showed that the method was practical.

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Available abstract

The reasons of torque ripple in brushless DC motor was analyzed.The values of torque ripple and the effects reasons were come out through the analyzing and modeling of the operation.Then,the corresponding PWM mode to compensate the commutation torque ripple in different velocity sections was proposed.In the end,the simulation results showed that the method was practical.

Key concepts: Commutation, Torque ripple, Control theory (sociology), DC motor, Torque, Switched reluctance motor, Ripple, Brushed DC electric motor

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