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Aimed at the difficulty of diagnosing the transmission system of wind turbine under variable working conditions, a novel health condition monitoring method based on common features distribution adaptation is proposed in this article. In the method, envelope analysis is first performed on the collected signals, and then the time‐frequency features are extracted to be combined as new input samples....
A novel wind turbine weak feature extraction method based on Cross Genetic Algorithm (CGA) optimal Mexican-Hat Wavelet (MHW) is proposed in this paper. At first, the optimal MHW is improved by adding 2 parameters to change the mother wavelet waveform. Then the CGA is introduced to optimize the suitable parameters in mother waveform establishment and continuous wavelet transform. In the end, the weak...
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