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An improved genetic algorithm (Fuzzy Adaptive Simulated Annealing Genetic Algorithm with Gradient direction, GFASAGA) will be proposed in this paper, whose global superlinear convergence properties was analyzed by means by Markov chain etc. Certain fuzzy aeroengine compressor guide vane controller parameters of the regulator were optimized by GFASAGA, standard genetic algorithm (SGA) and customized...
Fuzzy reasoning is treated as a closed-loop and optimal process, which is different from the dominant view of treating fuzzy reasoning as generalization of classical logical inference, that is, an open-loop and non-optimal process. Further, the fuzzy rule base and the fuzzy reasoning method can constitute a closed-loop control system with a reasoning goals/constraint designed by users. A kind of closed-loop...
In this paper, firstly a new stable fuzzy adaptive controller based on optimal fuzzy reasoning methods is provided, whose adjustable parameters are output weights of defuzzication method. Secondly, a new method of optimal fuzzy reasoning is given, whose objective function includes rule weights. Thirdly, another new stable fuzzy adaptive controller based on the new method is provided, whose adjustable...
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