模糊免疫PID控制在主汽温控制系统中的应用  

Fuzzy Immune PID Control and Its Application to Main Steam Temperature Control System

作　　者：彭道刚[1] 杨平[1] 王志萍[1] 杨艳华[1] 刘玉玲[1] 

机构地区：[1]上海电力学院信息与控制技术系,上海200090

出　　处：《计算机测量与控制》2005年第3期250-251,共2页Computer Measurement &Control

摘　　要：火电厂主汽温控制系统具有大惯性、大迟延和时变等特性, 传统的火电厂主汽温控制系统大多采用基于模型的常规PID串级控制方法。本文借鉴生物免疫反馈响应过程的调节作用和模糊推理逻辑可逼近非线性函数的特性, 提出将模糊免疫PID控制策略应用到火电厂主汽温控制系统中。仿真研究表明, 该方法的控制效果优于常规的PID控制, 能适应对象参数的变化并表现出良好的控制品质, 即使发生扰动时也具有较强的鲁棒性和自适应能力。The main steam temperature control system has large time constant, long time-delay and time-varying in thermal power plant. The traditional control strategy of it is to use general PID cascade control method which is based on plant model. Based on the immune feedback regulating law and the approaching ability for nonlinear function of fuzzy rational logic, a fuzzy immune PID control is presented. Simulation results show that this method can adapt the changing of the parameters of the object and behave well control performance compared with PID control, even has strong robustness and self-adaptive ability when disturbed.

关 键 词：主汽温控制系统 PID控制 应用 常规PID 非线性函数 自适应能力 火电厂 控制方法 基于模型 模糊推理 调节作用 免疫反馈 控制策略 仿真研究 控制效果 控制品质 鲁棒性 对象 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TM621.6[自动化与计算机技术—控制科学与工程]