针对单级倒立摆系统，分别应用PI、PD和PID方法进行控制。是三段MATLAB的程序代码，比较适合刚接触编程的人使用。-For the single inverted pendulum system, respectively, application of PI, PD and PID control methods. MATLAB is the three sections of code, more suitable for people new to programming to use.