On controlling pH
- 1 January 1987
- journal article
- Published by Institution of Engineering and Technology (IET) in IEE Proceedings D Control Theory and Applications
- Vol. 134 (3) , 196-200
- https://doi.org/10.1049/ip-d.1987.0029
Abstract
The paper summarises a recent investigation to find out what contribution could be made to pH regulation by modern algorithms for online estimation and/or adaptive control. Topics discussed include a mathematical model to account for nonlinearity; full-scale trials using selftuning controllers; a specially developed nonlinear estimator; use of resulting estimates to drive a suboptimal ‘cautious’ control law; and a specialpurpose CAD package. It is concluded that pH regulation is amenable to good engineering practice, and that whether or not this should include modern algorithms is a problem-specific question which can be answered using the CAD package.Keywords
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