采用逐周期电流控制改善无刷直流电机起动性能

Improvement on Start-up Performance of BLDC Motor by Cycle-by-cycle Current Limiting

提出采用逐周期电流控制的方法,改善电动自行车用无刷直流电机的起动性能。文中分析了电动自行车用无刷直流电机起动过程中产生转矩波动的原因,介绍了逐周期电流控制方法及其硬件和软件的实现,最后给出了试验结果。

In this paper,the method of cycle-by-cycle current limiting method is proposed to improve the start-up performance of brushless DC(BLDC)Motor used for electric bicycle.The cause to make the torque pulsation during starting of BLDCis analyzed.The method of cycle-by-cycle current limiting and the implementation of hardware as well as software are introduced,and the test results are presented.