BUCK变换器建模及其先进控制方法仿真

Modeling of the BUCK Converter and Simulation of Its Advanced Control Methods

目的在于改进BUCK变换器的仿真模型,验证各先进控制方法的有效性及其性能。方法是在MATLAB/SIMULINK下利用状态空间平均法创建BUCK变换器的平均模型,并证明了模型的有效性;在此平均模型基础之上对其经典PID控制以及最新发展起来的几种先进控制方法进行了建模与仿真。结果:建立了BUCK变换器的平均模型,并证明了其有效性;对各控制方法进行了建模与仿真,并给出了仿真结果,仿真结果表明将智能控制技术用于DC/DC变换器的控制系统中能够达到改善系统动静态特性的目的。随着各相关领域的技术进步,智能控制在DC/DC变换器的控制领域必将会有更广阔的应用前景。

Aim：To improve the simulating model of the BUCK converter, to validate the validity and their capability of several advanced control methods. Method ： Making the average model of the BUCK converter with the average state space method based on MATLAB/SIMULINK, and proves the model＇s validity;On the basis of the average model,the traditional PID control and some latest advanced control methods are modeled and simulated. Results：Makes the average model of the BUCK converter and proves it＇s validity;Makes models and simulates several control methods and gives the simulation results;The simulation results show that by using the intelligent control methods in DC/DC converter we can improve the dynamic and static characteristics of the system. Conclusion ： Along with the advancement of the correlative domain, the intelligent control methods will be used more and more in the field of the DC/DC converter control.