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Published in:
2014 | OriginalPaper | Chapter
Design of Fuzzy Logic Controller Based on Differential Evolution Algorithm
Authors : Li Shuai, Sun Wei
Published in: Computational Intelligence, Networked Systems and Their Applications
Publisher: Springer Berlin Heidelberg
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In order to overcome the deficiency of fuzzy control algorithm, an adaptive fuzzy logic controller is proposed. In this method, the differential evolution algorithm (DE) was employed to optimize parameters of fuzzy controller: quantitative factor and proportional factor , they were designed as individuals of DE population, and evaluated using the fitness function provided until the termination condition was fulfilled. Then the selected parameter values were sent back to fuzzy logic controller. Simulation results concerning two-tank system show that the DE optimized fuzzy controller has good adaptability, as well as it‘s effectiveness, which provides a new approach to improve fuzzy control system.