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- W4313145711 abstract "12 kV vacuum circuit breaker (CB) is one of the most important components in the power distribution system. Its mechanical reliability plays a quite important role in the safety and stability of the power system. In order to solve the problem of poor accuracy caused by information redundancy and irrelevant interference in time domain, frequency domain and time-frequency domain features of CB mechanical vibration signal, a new intelligent fault diagnosis method based on ReliefF and PSO-BP neural network is proposed. The ReliefF algorithm is used for automatic feature selection to maximum the correlation between the input and output of the model. In order to get the minimum false alarm rate and the highest detection rate, the top sensitive features are selected. To identify faults more accurately, the initial weights and threshold parameters of BP neural network (BPNN) are optimized by PSO to solve the problem that BPNN tends to fall into local optimum and improve the diagnosis performance. The effectiveness of the proposed method for CB fault diagnosis was verified by orthogonal tests." @default.
- W4313145711 created "2023-01-06" @default.
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- W4313145711 date "2022-09-07" @default.
- W4313145711 modified "2023-09-26" @default.
- W4313145711 title "Mechanical Fault Diagnosis of 12 kV Vacuum Circuit Breaker Based on Vibration Signal Feature Selection and Neural Network" @default.
- W4313145711 doi "https://doi.org/10.1109/ciced56215.2022.9929239" @default.
- W4313145711 hasPublicationYear "2022" @default.
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