摘  要：分析了无刷直流电动机在快速正/反转机电作动系统中的几种电流控制方法,指出了它们的优缺点。试验表明,采用斩波频率稳定的两态电流控制,可获得比较优良的电流控制特性。
关键词：无刷直流电动机;电流控制;PWM

ABSTRACT:The paper mainly discussed the current control problems of brushless DC motor.Under the state of rapid positive and negative direction,a few of the current control methods of BLDCM and their excellence or shortcoming were analyzed in electromechanical actuator.Testing results of control system showed holding stable choppingwave frequency by up and down current limit method could obtain satisfactory current characteristic. KEY WORDS: Brushless DC motors;Current control;PWM