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Evolutionary optimization of interval type-2 membership functions using the Human Evolutionary Model
Sepulveda, R.; Castillo, O.; Melin, P.; Montiel, O.; Aguilar, L.T.;
Fuzzy Systems Conference, 2007. FUZZ-IEEE 2007. IEEE International
23-26 July 2007
Page(s):1
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6
Abstract:
Uncertainty is an inherent part in controllers used for real-world applications. The use of new methods for handling incomplete information is of fundamental importance in engineering applications. We simulated the effects of uncertainty produced by the instrumentation elements in type-1 and type-2 fuzzy logic controllers to perform a comparative analysis of the systems' response, in the presence of uncertainty. We are presenting an innovative idea to optimize interval type-2 membership functions using an average of two type-1 systems with the Human Evolutionary Model, and we show comparative results of the optimized proposed method. We found that the optimized membership functions for the inputs of a type-2 system increases the performance of the system for high noise levels.
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