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Fuzzy-model based pH control

Kelkar, Bhooshan and Postlethwaite, Bruce (1994) Fuzzy-model based pH control. In: Proceedings of the third IEEE conference on fuzzy systems, 1994. IEEE, pp. 661-666. ISBN 0-7803-1896-X

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Abstract

The inherent nonlinearity of the pH process often renders conventional control difficult. This non-linearity does however suggests that pH control would be a suitable application area for a fuzzy control system, whose ability to handle non-linearities is well known. Many fuzzy controllers are of the rule based type where the controllers output response is described by a series of control rules. However, the controller described in this paper is of a fuzzy-model based type which means that a fuzzy model of the process itself is embedded into the predictive control structure. Current work presents the performance of a fuzzy-model based pH controller for a strong base-weak acid neutralisation carried out in a constant volume CSTR. A study of possible use of clustering techniques is done to define the reference sets. The performance of the fuzzy-model based controller is tested for various set points on the neutralisation curve.

Item type: Book Section
ID code: 25677
Keywords: chemical technology, fuzzy control, pH control, predictive control, Chemical engineering
Subjects: Technology > Chemical engineering
Department: Faculty of Engineering > Chemical and Process Engineering
Related URLs:
    Depositing user: Dr. Bruce Postlethwaite
    Date Deposited: 30 Jun 2010 14:27
    Last modified: 12 Mar 2012 11:15
    URI: http://strathprints.strath.ac.uk/id/eprint/25677

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