【摘要】 单闭环直流调速系统实验是电力拖动与运动控制课程教学环节中的一个重要实验。介绍了单闭环的PWM直流调速系统实验的基本原理和实验内容,并对主要实验结果加以分析。实验表明,PWM直流调速系统提高了控制的精度,采用比例积分调节器提高了系统的静态、动态性能。通过实验,加深了学生对PWM控制技术以及单闭环直流调速系统的理解,取得了良好的实验教学效果。更多还原

【Abstract】 PWM DC speed-regulating experiment provides students with more advanced knowledge and therefore is one of the important experiments of the course of electronics drags and motion control.This study explains the principles and the content of the experiment.The analysis of the experimental results showes that the PWM DC-regulation system can increase the control accuracy,and that by using the ratio integration regulator,both the static and dynamic characteristic of the system can be improved.The experiment is effective for students to deepen their understanding of the PWM DC speed-regulating system.更多还原