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Title: A type-2 fuzzy logic controller for the liquid-level process
Authors: Wu, D.
Tan, W.W. 
Issue Date: 2004
Source: Wu, D.,Tan, W.W. (2004). A type-2 fuzzy logic controller for the liquid-level process. IEEE International Conference on Fuzzy Systems 2 : 953-958. ScholarBank@NUS Repository.
Abstract: This paper focuses on evolving type-2 fuzzy logic controllers (FLCs) genetically and examining whether they are better able to handle modelling uncertainties. The study is conducted by utilizing a type-2 FLC, evolved by a genetic algorithm (GA), to control a liquid-level process. A two stage strategy is employed to design the type-2 FLC. First, the parameters of a type-1 FLC are optimized using GA. Next, the footprint of uncertainty is evolved by blurring the fuzzy input set. Experimental results show that the type-2 FLC copes well with the complexity of the plant, and can handle the modelling uncertainty better than its type-1 counterpart.
Source Title: IEEE International Conference on Fuzzy Systems
ISBN: 0780383532
ISSN: 10987584
DOI: 10.1109/FUZZY.2004.1375536
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