A PWM control algorithm for eliminating torque ripple caused by stator magnetic field jump of brushless DC motors

A PWM control algorithm for eliminating torque ripple caused by stator magnetic field jump of brushless DC motors

The torque ripple caused by stator magnetic field jump of brushless DC motors was analysed theoretically and numerically, the research results show that the torque ripple caused by stator magnetic field jump is another important reason of torque ripple for brushless DC motors. A new PWM control algo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Cunshan Zhang, Dunxin Bian
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Brushless DC motor
Brushless DC motors
Commutation
Finite element method
Magnetic fields
PWM control algorithm
Rotors
Stator windings
Stators
Torque
Torque ripple
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Beschreibung
Zusammenfassung:The torque ripple caused by stator magnetic field jump of brushless DC motors was analysed theoretically and numerically, the research results show that the torque ripple caused by stator magnetic field jump is another important reason of torque ripple for brushless DC motors. A new PWM control algorithm is given to eliminate this kind torque ripple.
DOI:10.1109/WCICA.2008.4592891