Grey-box identification of a continuous digester - A distributed-parameter process

被引：20
|
作者：
Funkquist, J
机构：
[1] STFI, Box 5604
来源：
CONTROL ENGINEERING PRACTICE | 1997年 / 5卷 / 07期
关键词：
modelling; system identification; parameter estimation; distributed-parameter systems; orthogonal collocation; continuous digesters; kraft pulping; chemical pulping;
D O I：
10.1016/S0967-0661(97)00079-8
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The grey-box modelling technique is employed here for the identification of a model of a continuous digester. A physically based model is complemented with empirical data to produce a model with quantitative prediction capabilities. The method of orthogonal collocation is utilized to reduce this infinite-dimensional system into a finite-dimensional state-space approximation. A grey-box identification session, including different sources for process disturbances, shows that new insight into the process behavior can be gained by this approach. Copyright (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：919 / 930
页数：12
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