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- W2990922688 abstract "Aiming at the problem of weak signal signature recognition of gear faults, a gear fault diagnosis method based on lifting wavelet packet and combined optimization BP neural network is proposed. The initial non-sampling prediction and update operators are calculated by Lagrange interpolation subdivision based on the principle of lifting wavelet, and the adaptive redundancy lifting wavelet packet decomposition and reconstruction algorithm is constructed. The network parameters of the number of hidden layers and the quantity of nodes, initial weights and thresholds of BP neural network are optimized by genetic algorithm (GA). The Levenberg-Marquardt (LM) algorithm is used to improve the search space of the network. Through experimental analysis, the results show that the gear fault diagnosis method proposed in this paper not only has high diagnostic accuracy, but also increase efficiency." @default.
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- W2990922688 date "2019-11-28" @default.
- W2990922688 modified "2023-09-26" @default.
- W2990922688 title "Fault diagnosis method of gear based on lifting wavelet packet and combined optimization BP neural network" @default.
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- W2990922688 doi "https://doi.org/10.21595/vp.2019.21106" @default.
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