不同切换控制器下滑模控制仿真实验

滑模控制具有很强的鲁棒性,能够克服参数不确定和外部干扰。在滑模控制中采用符号函数会出现抖振现象,研究了三种常用的代替符号函数的切换控制器方法。以二阶非线性系统为研究对象,利用MATLAB/Simulink软件建立了系统的仿真模型,通过仿真实验验证了算法的有效性。

Sliding mode controllers have strong robustness and can deal with parameter uncertainties and external disturbances. For the chattering phenomenon in sliding mode control using sign function, three types of commonly used switch controllers which take the place of sign function are studied. Taking two-order nonlinear system as example, the simulation model of the system is built using MATLAB/Simulink software and the effectiveness of the algorithm is verified by simulation experiment.