Journal
MATHEMATICS
Volume 10, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/math10193533
Keywords
interval type-3 fuzzy logic; differential evolution; fuzzy controller
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This article presents a methodology for parameterizing interval type-3 membership functions using vertical cuts applied to the differential evolution algorithm. The methodology was implemented in an interval-type 3 Sugeno controller to design an optimal interval type-3 system for controlling a unicycle mobile robot. Experimental results show that the proposed method significantly enhances the performance of the differential evolution algorithm.
Recently, interval-type 3 fuzzy systems have begun to appear in different research areas. This article outlines a methodology for the parameterization of interval type-3 membership functions using vertical cuts applied to the dynamic parameter adaptation of the differential evolution algorithm and implemented in an interval-type 3 Sugeno controller. This methodology was applied to the dynamic adaptation of the F (mutation) parameter in differential evolution to improve the performance of this method as the generations occur. To test the type-3 fuzzy differential evolution algorithm, the optimal design of a type-3 Sugeno controller was considered. In this case, the parameterization of the type-3 membership functions of this Sugeno fuzzy controller was performed. The experimentation is based on the application of three different noise levels for validation of the efficacy of the method and performing a comparison study with respect to other articles in the literature. The main idea is to implement the parameterization of interval type-3 membership functions to enhance the ability of differential evolution in designing an optimal interval type-3 system to control a unicycle mobile robot.
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