Design of Control System of Brushless DC Motor Based on DSP

摘要

The System is at the core of TMS320F2812DSP from TI company to design the control system for BLDC motor, the control segment of it take advantage of the event manager EVA of the DSP to compare and produce six ways signal control. And utilize the capture module to acquire the state situation of the rotor-position sensor. Acording to the condition of hall sensor to control motor commutation. And solve the PWM signal system in the generation and motor speed feedback. It's easy to realize the motor closed-loop control, greatly simplify the system hardware design, improves the reliability of the system, reduces the volume of the system. Through the experiments, we gain the PWM waveform, and finally realize the purpose of reverse control.