基于增量式PID算法的无刷直流电机PWM调速研究

摘要

In order to improve the control precision of brushless DC motor,using TI TMS320LF2407A as the control chip, a digital incremental PID algorithm and PWM control technology. This paper describes the principle of PID algorithm, PWM speed control principle and system hardware block diagram, software flow chart and draw the conclusion that PID algorithm has great superiority in the brushless DC motor speed control .%　　为了提高无刷直流电机转速控制精度，系统选用了 TI 公司 TMS320LF2407A 为控制芯片，采用数字式增量 PID 算法和PWM控制技术。叙述了PID算法原理、PWM调速控制原理以及系统硬件原理框图、软件流程框图，并得出实验结论，证明PID算法在无刷直流电机调速过程中的优越性。