Design and optimization of fuzzy-PID controller for the nuclear reactor power control |
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Authors: | Cheng Liu Jin-Feng Peng Fu-Yu Zhao Chong Li |
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Affiliation: | aSchool of Energy & Power Engineering, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an, Shaanxi 710049, PR China |
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Abstract: | This paper introduces a fuzzy proportional-integral-derivative (fuzzy-PID) control strategy, and applies it to the nuclear reactor power control system. At the fuzzy-PID control strategy, the fuzzy logic controller (FLC) is exploited to extend the finite sets of PID gains to the possible combinations of PID gains in stable region and the genetic algorithm to improve the ‘extending’ precision through quadratic optimization for the membership function (MF) of the FLC. Thus the FLC tunes the gains of PID controller to adapt the model changing with the power. The fuzzy-PID has been designed and simulated to control the reactor power. The simulation results show the favorable performance of the fuzzy-PID controller. |
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