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锅炉汽包水位系统的免疫PID—免疫P串级控制
引用本文:彭道刚,张浩,杨平,王勇.锅炉汽包水位系统的免疫PID—免疫P串级控制[J].信息与控制,2006,35(6):765-768.
作者姓名:彭道刚  张浩  杨平  王勇
作者单位:1. 上海电力学院电力与自动化工程学院,上海,200090;同济大学CIMS研究中心,上海,200092
2. 上海电力学院电力与自动化工程学院,上海,200090
基金项目:上海市教委资助项目;上海市重点学科建设项目
摘    要:借鉴生物免疫反馈响应过程的调节规律,针对电站锅炉汽包水位控制系统,提出一种免疫PID—免疫P串级控制策略.内回路采用免疫P控制器以快速消除给水流量扰动,外回路采用免疫PID控制器以保证汽包水位在给定值,并有效克服蒸汽流量的扰动.该控制策略结构和算法简单,易于工程实现.通过大量的仿真试验证明,该控制策略优于常规的PID串级控制,而且能够适应对象参数的变化,具有较强的鲁棒性、自适应性和抗干扰能力.

关 键 词:人工免疫系统  免疫PID控制  锅炉水位控制  热工控制系统
文章编号:1002-0410(2006)06-0765-04
收稿时间:2006-02-08
修稿时间:2006-02-08

Immune PID-Immune P Cascade Control for Water Level System of Boiler Drum
PENG Dao-gang,ZHANG Hao,YANG Ping,WANG Yong.Immune PID-Immune P Cascade Control for Water Level System of Boiler Drum[J].Information and Control,2006,35(6):765-768.
Authors:PENG Dao-gang  ZHANG Hao  YANG Ping  WANG Yong
Affiliation:1. College of Electric Power and Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China ; 2. CIMS Research Center, Tongji University, Shanghai 200092, China
Abstract:An immune PID-immune P cascade control strategy is presented for the water level control system of boiler drum in power station,which uses the regulating rules in feedback response process of biological immune systems.Immune P controller is used in the inner loop to quickly eliminate the disturbance of water-feed quantity,and immune PID controller is used in the outer loop to keep the water level at the set point and effectively overcome the disturbance of steam flux.The structure and algorithms of the strategy are very simple,enabling it to be easy to implement in engineering practice.Plenty of simulation tests show that this control strategy is superior to the traditional PID cascade control method.It can adapt variations of the object's parameters and has strong robustness,self-adapt-(ability) and anti-disturbance ability.
Keywords:artificial immune system  immune PID control  water level control  thermal control system
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