多变量系统解耦内模控制及其PID转化应用方法的研究  

Decoupling IMC for multivariable systems based on NLJ random search

作　　者：王全良[1] 甄新平[1] 潘立登[1] 闻光辉[1] 

机构地区：[1]北京化工大学信息科学与技术学院,北京100029

出　　处：《北京化工大学学报（自然科学版）》2005年第6期87-89,共3页Journal of Beijing University of Chemical Technology(Natural Science Edition)

摘　　要：文中针对不同回路具有不同时滞的多变量稳定过程,提出了一种多变量解耦内模控制设计及其常规PID转化应用方法。所设计的多变量内模控制器能使系统稳定解耦,所得到的闭环系统根据开环系统时滞来描述。该方法为精馏等化工装置的复杂控制系统提供了一种新的优化和先进控制方案。The decoupling internal model control （IMC） was investigated for multivariable stable processes with different time delays. And this method was extended and applied to a conventional PID control of DCS equipment by IMC-PID transform. All the stabilizing IMC controllers and the resulted closed-loop systems were characterized in terms of the open-loop system＇s time delays. The method has an advantage of being simple and easy to realize for the optimization and APC control of a complex process system like a rectification.

关 键 词：多变量系统 NLJ随机搜索算法 解耦 内模控制 时滞 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]