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A fuzzy controller with evolving structure.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>5/04/2004
<mark>Journal</mark>Information Sciences
Issue number1-2
Number of pages15
Pages (from-to)21-35
<mark>Original language</mark>English


An approach to on-line design of fuzzy controllers of Takagi-Sugeno type with gradually evolving structure is treated in the paper. Fuzzy rules, representing the structure of the controller are generated based on data collected during the process of control using newly introduced technique for on-line identification of Takagi-Sugeno systems. The output of the plant under control (including its dynamic) and the respective control signal has been memorised and stored in on-line mode. These data has been used to train in a non-iterative, recursive way the fuzzy controller. The indirect adaptive control approach has been used in combination with the novel on-line identification technique. This approach exploits the quasi-linear nature of Takagi-Sugeno models and builds-up the control rule-base structure and adapts it in on-line mode with recursive, non-iterative learning. The method is illustrated with an example from air-conditioning systems, though it has wider potential applications.

Bibliographic note

The final, definitive version of this article has been published in the Journal, Information Sciences 161 (1-2), 2004, © ELSEVIER.