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Fault Diagnosis of Power System Based on Improved Genetic Optimized BP-NN
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Fault Diagnosis of Power System Based on Improved Genetic Optimized BP-NN
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Journal Article
Fault Diagnosis of Power System Based on Improved Genetic Optimized BP-NN
2015
Overview
BP neural network (Back-Propagation Neural Network, BP-NN) is one of the most widely neural network models and is applied to fault diagnosis of power system currently. BP neural network has good self-learning and adaptive ability and generalization ability, but the operation process is easy to fall into local minima. Genetic algorithm has global optimization features, and crossover is the most important operation of the Genetic Algorithm. In this paper, we can modify the crossover of traditional Genetic Algorithm, using improved genetic algorithm optimized BP neural network training initial weights and thresholds, to avoid the problem of BP neural network fall into local minima. The results of analysis by an example, the method can efficiently diagnose network fault location, and improve fault-tolerance and grid fault diagnosis effect.
Publisher
EDP Sciences
