改进的PID参数自整定方法  

The Improvement of Self-tuning PID Method

作　　者：王芳[1] 

机构地区：[1]德州学院机电工程系,山东德州253023

出　　处：《农业装备与车辆工程》2007年第7期32-33,36,共3页Agricultural Equipment & Vehicle Engineering

摘　　要：提出一种滞环继电反馈辨识方法,得到对象的二阶加滞后模型,然后设计了基于该模型的一种PID参数自整定方法——稳定裕度法,仿真实验表明,这种自整定方法能使一般的被控对象具有很好的抗干扰性和控制性能,简单有效,适用于在线实时的工业过程控制。A new identification method based on hystersis relay feedback is put forward which can obtain second order plus dead time （SOPDT） model of the process, then a self-tuning method of PID control is designed based on the SOPDT, which is stable abundant method. Simulation results demonstrate that the method can make the controlled plan have good control performance in terms of disturbance rejection and controlling. It is simple and efficient, and is applicable to real-time industry process control online.

关 键 词：PID参数自整定 ZN整定方法 滞环继电反馈 稳定裕度方法 

分 类 号：TB114.2[理学—运筹学与控制论]