可逆PWM控制双闭环直流调速系统的Simulink仿真

Simulink simulation of double-closed loop DC speed regulation system with reversible PWM control

根据转速、电流双闭环直流调速系统和脉冲宽度调制(PWM)技术原理,采用Matlab/Simulink软件实现了基于H型PWM可逆变换器的双闭环直流调速系统的仿真建模,对主要仿真模块参数的设置进行了讨论,给出相应的转速和电枢电流的仿真波形。仿真结果验证了PWM双环直流调速系统的理论分析结果,在课堂教学中便于学生理解和掌握,而且对该系统在实际工程中的应用也具有一定的借鉴意义。

According to the technical principles of the rotational speed and current double-closed loop DC speed regulation system and pulse width modulation（PWM）,the simulation modeling of the double-closed loop DC speed regulation system based on the H-type PWM reversible converter is realized by using Matlab/Simulink software.The setting of the parameters for the main simulation modules is discussed,and the corresponding rotational speed and the simulation waveform of the armature current are presented.The simulation results verify the theoretical analysis results of the PWM double loop DC speed regulation system,which is easy for students to understand and master the theoretical knowledge in the classroom teaching,and also provides some reference for the application of the system in the practical engineering.