A self-validating control system based approach to plant fault detection and diagnosis

Chen, J. and Howell, J. (2001) A self-validating control system based approach to plant fault detection and diagnosis. Computers in Chemical Engineering, 25(2-3), pp. 337-358. (doi: 10.1016/S0098-1354(00)00661-X)

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Publisher's URL: http://dx.doi.org/10.1016/S0098-1354(00)00661-X

Abstract

An approach is proposed in which fault detection and diagnosis (FDD) tasks are distributed to separate FDD modules associated with each control system located throughout a plant. Intended specifically for those control systems that inherently eliminate steady state error, it is modular, steady state based, requires very little process specific information and therefore should be attractive to control systems implementers who seek economies of scale. The approach is applicable to virtually all types of process plant, whether they are open loop stable or not, have a type or class number of zero or not and so on. Based on qualitative reasoning, the approach is founded on the application of control systems theory to single and cascade control systems with integral action. This results in the derivation of cause-effect knowledge and fault isolation procedures that take into account factors like interactions between control systems, and the availability of non-control-loop-based sensors.

Item Type:Articles
Additional Information:Final version as accepted by Computers in Chemical Engineering supplied by the author
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Howell, Dr John
Authors: Chen, J., and Howell, J.
Subjects:Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TP Chemical technology
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Computers in Chemical Engineering
Publisher:Elsevier Science
ISSN:0098-1354
Copyright Holders:Copyright © 2001 Elsevier Science Ltd.
First Published:First published in Computers in Chemical Engineering 25(2-3):337-358
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher.

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