4、节电路、电流调节器电路、PWM波生成电路、桥式可逆直流脉宽系列电路及转速检测电路的具体实现。然后按照自动控制原理，对双闭环调速系统的设计参数进行分析和计算，利用MATLAB中的Simulink对系统进行了各种参数给定下的仿真，通过仿真获得了参数整定的依据。 关键词：双闭环可逆直流调速系统；H桥驱动电路；PWM控制；模拟调节器；MATLABI武汉工程大学课程设计Abstract DC speed control system is the main form of the automatic speed regulation system
5、,it has a good starting and brake performance,can be in a wider range of speed regulation of smooth realized in speed,fast dynamic response process,and low speed running torque these excellent performance and control characteristic,but for a long time,DC speed control sys
6、tem has been occupies an important position. From a market perspective,DC speed control system in theory and practice are more mature, from the point of view of the control technology,it is the foundation of ac speed adjustment system. So in dc speed control system in ele
7、ctric transmission won the widely used. This article from the working principle of dc machines,a PWM double closed loop reversible dc speed control system,and the mathematical model of detailed analysis of system principle and the static and dynamic performance. In the th
8、eory analysis and simulation research,and on the basis of design a set of experiments with doubl
