SYSTEM OUTPUT DISTRIBUTION BASED MODELLING AND CONTROL

Hu Zexin and Jiang Weisun(East China Institute of Chemical Technology; Shanghai 200237)

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SYSTEM OUTPUT DISTRIBUTION BASED MODELLING AND CONTROL

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- SYSTEM OUTPUT DISTRIBUTION BASED MODELLING AND CONTROL
- CIESC Journal Issue 4, (1992)
- 作者机构：
  
  华东化工学院自动化研究所,华东化工学院自动化研究所上海200237,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 August 1992，
  
  Published：25 August 1992
- 稿件说明：
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Hu Zexin and Jiang Weisun(East China Institute of Chemical Technology, Shanghai 200237). SYSTEM OUTPUT DISTRIBUTION BASED MODELLING AND CONTROL[J]. CIESC Journal, 1992, (4).
DOI：

Hu Zexin and Jiang Weisun(East China Institute of Chemical Technology, Shanghai 200237). SYSTEM OUTPUT DISTRIBUTION BASED MODELLING AND CONTROL[J]. CIESC Journal, 1992, (4). DOI：

摘要

提出了依据系统输出分布的特征变量选取方法

并提出了依据该项信息的建模和控制方法.仿真结果令人满意.在一个实验性二元精馏塔上用IBM-PC机进行试验亦获成功.简化模型能较好地近似精馏塔的逐板模型

控制策略优于常规PI控制策略.

Abstract

The method of modelling and control based on characteristic variables chosen according to system output distributions is presented. Simulation results are satisfactory. Experiments are carried out in a pilot binary distillation column (15 trays with feed of alcohol and water mixture) controlled by a microcomputer system. It is shown that the simlified model can approximate the complete model of distillation column very well and the control strategy has significant advantage compared with a conventional control strategy. This method can also be applied to a kind of high order

nonlinear

distributed parameter systems

which is difficult to deal with.

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