The different influences of four PWM modes on commutation torque ripples in brushless DC motor control system;

The cause of producing the commutation torque ripple was mainly found by means of analyzing the commutation process of permanent magnet brushless DC motor in theory.

This paper introduced commutation torque ripple process of brushless DC motor.

Minimizing the commutation torque ripple has become the focus of the people’s study.

Research on torque ripple minimization of position-sensorless brushless DC motor;

Commutation torque ripple minimization and dynamic simulation of brushless DC motor;

The review on torque ripple minimization of brushless DC motors;

Appearance of torque pulsation phenomenon influences system s running quality and reliability, when an induction motor (IM) operates in the manner of variable frequency and variable speed.

The integrated mathematical model of the induction motor system with the consideration of dead time of inverter is set up and the effect of the dead time of inverter on the torque pulsation of system is studied.

On the basis of a new improved control method,three point flux regulator is used,and the switch control rule is also changed to reduce torque pulsation.

Analysis and attenuation on commutation torque ripples of brushless DC motor;

Suppression of Torque Ripples Caused by Current Back-EMF of Six-phase BLDCM

The relation between commutation torque ripples and PWM modes are discussed.