Design of Fuzzy Fractional PD + I Controllers Tuned by a Genetic Algorithm
Author(s) -
Isabel S. Jesus,
Ramiro S. Barbosa
Publication year - 2014
Publication title -
mathematical problems in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.262
H-Index - 62
eISSN - 1026-7077
pISSN - 1024-123X
DOI - 10.1155/2014/676121
Subject(s) - robustness (evolution) , fuzzy logic , genetic algorithm , control theory (sociology) , fuzzy control system , flexibility (engineering) , process (computing) , computer science , algorithm , mathematical optimization , mathematics , control (management) , artificial intelligence , biochemistry , chemistry , statistics , gene , operating system
The fractional-order concepts are a useful tool to describe several physical phenomena, and nowadays they are widely used in the field of automatic control. A genetic algorithm (GA) is a search process for finding approximate solutions in optimization problems. The GA provides further flexibility and robustness that are unique for signal process. In this paper we consider the development of an optimal fuzzy fractional PD + I controller in which the parameters are tuned by a GA. The performance of the proposed fuzzy fractional control is illustrated through some application examples
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