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This paper presents a comprehensive analysis on torque ripples of brushless dc motor drives in conduction region and commutation region. A novel method for reducing the torque ripple in brushless dc motors with a single current sensor has been proposed by adding BUCK converter in the front of 3-phase inverter. In such drives, torque ripple suppression technique is theoretically effective in commutation...
This paper presents a comprehensive analysis on torque ripples of brushless dc motor drives in conduction region and commutation region. A novel method for reducing the torque ripple in brushless dc motors with a single current sensor has been proposed by adding BUCK converter in the front of 3-phase inverter. In such drives, torque ripple suppression technique is theoretically effective in commutation...
The paper presents a novel commutation torque ripple suppression scheme in BLDCM. In the proposed method based on the DC current sensing, smooth commutation is realized by combining two effective measures with together. The two methods are commutation current prediction method and the negative DC current elimination scheme. The theoretical and mathematical analyses are given in detail. The experimental...
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