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The application of hysteresis control in reducing ripple torque of brushless dc motors

Yang Xiang

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Abstract

Based on the mechanisim of producing ripple torque of brushless dc motor(BLDC),this paper analyze the cause of commutation ripple torque,propose control directly the phase current to decrease the electromagnetic torpue ripple.The proposed control method is verified throngh simulations.

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What this paper is about

Based on the mechanisim of producing ripple torque of brushless dc motor(BLDC),this paper analyze the cause of commutation ripple torque,propose control directly the phase current to decrease the electromagnetic torpue ripple.The proposed control method is verified throngh simulations.

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Available abstract

Based on the mechanisim of producing ripple torque of brushless dc motor(BLDC),this paper analyze the cause of commutation ripple torque,propose control directly the phase current to decrease the electromagnetic torpue ripple.The proposed control method is verified throngh simulations.

Key concepts: Torque ripple, Control theory (sociology), Ripple, Commutation, DC motor, Torque motor, Direct torque control, Torque

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