摘要
介绍了以廉价单片机AT89C2051为核心的直流电机PWM调速系统的原理 ,给出了一种PWM信号发生器实用电路 。
The principle of a PWM control system based on low_cost AT89C2051 is introduced. A practical electric circuit to produce PWM pulse is presented. It has also given the software design method to realize the velocity close_loop control of DC motor.
出处
《电气传动自动化》
2002年第1期17-18,共2页
Electric Drive Automation
