本文当介绍了采用Matlib进行PID控制中的相关例程，并配有Word文档说明，介绍了P、I、D三个参数分别在控制中的作用。较适合初学者学习。-In this paper, when the introduction Matlib carried out using PID control routines associated with a Word document that introduced the P, I, D, respectively, in the control of three parameters of the role. More suitable for beginners to learn.