为了控制无刷电机低速有限转角运动，应用TMS320F2812芯片设计了一套无刷电机控制系统，给出了硬件电路和部分软件的设计方案。系统采用位置反馈信号作为电机换相基础，利用双重位置闭环的控制结构，以满足快速性、稳定性以及高精度的性能要求，实验证明系统控制方案的可行性。-To control the limited angular movement speed brushless motor, application TMS320F2812 chip design a brushless motor control system, given some of the hardware circuit and software design. System uses position feedback signal as a basis for motor commutation, the use of double closed loop position control structure to meet the fast, stable and precise performance requirements, the program proved the feasibility of system control.