An estimator for a class of non-linear distributed systems
作者:
JESÚS ALVAREZ,
GEORGE STEPHANOPOULOS,
期刊:
International Journal of Control
(Taylor Available online 1982)
卷期:
Volume 36,
issue 5
页码: 787-802
ISSN:0020-7179
年代: 1982
DOI:10.1080/00207178208932930
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The on-line estimation of unmeasured states in non-linear distributed systems faces considerable computational and implementation difficulties. In the present work an estimator is developed for a distributed system coupled through a highly non-linear term. The available secondary measurements and their time derivatives are used to preestimate the non-linear function. Then, the non-linearity is regarded as a known time dependent forcing term. The resulting estimation problem becomes linear, with a significant reduction of the computational scheme. The application of the method is illustrated with an example taken from the chemical industry; a tubular chemical reactor.
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