Aiming at some problems existing in former FMF-method sensorless control system for brushless DC motor, a novel control system based on DSP is designed and the system control scheme is discussed in detail.

• 针对以往无刷直流电动机反电势法无传感器控制系统存在的一些问题，设计了一种基于数字信号处理器（DSP）的无刷直流电动机无传感器控制系统，详细介绍了系统的控制方案。