一种补偿非理想反电动势无传感器无刷直流电机换相相位误差的电流指标法

Commutation phase errors during implementation are inevitable in the sensorless drive of the brushless dc (BLDC) motor. This paper analyzed the current waveform during the conducting phase under commutation phase error and nonideal back electromotive force (EMF). The relation between the elapsed time of the commutation phase error with the current waveform, the supplied voltage, and the nonideal b...