Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
700185 | Control Engineering Practice | 2009 | 9 Pages |
Abstract
In this paper, an adaptive control scheme, based on fuzzy logic systems, for pH control is addressed. For implementation of the proposed scheme no composition measurement is required. Stability of the closed-loop system is established and it is shown that the solution of the closed-loop system is uniformly ultimately bounded and under a certain condition, asymptotical stability is achieved. Effectiveness of the proposed controller is tested through simulation and experimental studies. Results indicate that the proposed controller has good performances in set-point tracking and load rejection and much better than that of a tuned PI controller.
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Authors
Shahin Salehi, Mohammad Shahrokhi, Ali Nejati,