Multi-variable nonlinear MPC of an ill-conditioned distillation column

被引：8
|
作者：
Waller, JB [1 ]
Böling, JM [1 ]
机构：
[1] Abo Akad Univ, Dept Chem Engn, FI-20500 Turku, Finland
来源：
JOURNAL OF PROCESS CONTROL | 2005年 / 15卷 / 01期
关键词：
nonlinear control; multi-variable control; distillation; multi-variable identification; III-conditionedness; directionality;
D O I：
10.1016/j.jprocont.2004.04.003
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A quasi-ARMAX modelling scheme is studied for the purpose of modelling and control of multi-variable ill-conditioned and nonlinear processes. A distillation column is used as a case-study. The modelling technique is in this paper extended for use in the multi-variable case. Also, the nonlinear directionality of the distillation column is analyzed and illustrated. The nonlinear MPC formulation with the quasi-ARMAX model used for prediction is studied for control of the distillation column at different operating regions. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：23 / 29
页数：7
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