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Frontiers of Information Technology & Electronic Engineering
ISSN 2095-9184 (print), ISSN 2095-9230 (online)
2018 Vol.19 No.3 P.437-445
Design of a fractional PIλDμ controller using the cohort intelligence method
Abstract: The cohort intelligence (CI) method has recently evolved as an optimization method based on artificial intelligence. We use the CI method for the first time to optimize the parameters of the fractional proportional-integral-derivative (PID) controller. The performance of the CI method in designing the fractional PID controller was validated and compared with those of some other popular algorithms such as particle swarm optimization, the genetic algorithm, and the improved electromagnetic algorithm. The CI method yielded improved solutions in terms of the cost function, computing time, and function evaluations in comparison with the other three algorithms. In addition, the standard deviations of the CI method demonstrated the robustness of the proposed algorithm in solving control problems.
Key words: Cohort intelligence, Fractional calculus, Fractional PID controller, Tuning
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DOI:
10.1631/FITEE.1601495
CLC number:
TP391
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On-line Access:
2018-05-07
Received:
2016-08-23
Revision Accepted:
2017-02-14
Crosschecked:
2018-03-10