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A novel direct torque control strategy, using genetic algorithm on-line to optimize the fuzzy PI controller, is proposed. In this approach, according to speed error and its first time derivative, the proportional coefficient Kp and integral coefficient Ki can be on-line adjusted by fuzzy adaptive PI speed regulation, and the fuzzy logic adapter parameters are optimized by genetic algorithm to improve...
The efficiency of inductive motor can obtain the maximum value in the rating working condition, but will decrease obviously in the light load status. A method in the efficiency optimizing of inductive motor is introduced in this paper. In the vector controlled inductive motor system, a hybrid energy saving control method is put forward. In this method, neural network, fuzzy logic and Rosenbrock searching...
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