压控型Buck变换器的建模与仿真 Modeling and Simulation of Voltage Controlled Buck Converter

本文对Buck直流变换器进行了建模与仿真。通过小信号分析法研究连续导电模式下压控型Buck变换器的模型，并采用PID补偿网络进行控制器的设计，最后通过Saber仿真软件对电路进行仿真，仿真结果验证了控制器设计的合理性。 This paper researches on the Modeling and Simulation of Buck DC-DC converter based on the small signal analysis method in non-ideal conditions. And a controller is designed by PID compensation network. At last, the circuit is simulated by the Saber software; the results verify the reasonableness of the controller.