A novel smooth start and jamproof diction method are brought forward.A novel control system of sensorless brushless DC motor based on DSP is developed and implemented.

• 结合当前比较成熟的控制方式采用以DSP TMS320LF2403A为微处理器的无刷直流电机控制器的设计方案，对整个控制系统进行了软硬件设计与实现，并作了空载，负载和闭环调速等实验。