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• W4295766027 abstract "Aiming at the problem that fault feature extraction is susceptible to background noises and burrs, we proposed a new feature extraction method based on a new decomposition method and an effective intrinsic mode function (IMF) selection method. Firstly, pairs of white noises with opposite signs were introduced to neutralize the residual noises in ensemble empirical mode decomposition (EEMD) and suppress mode mixing. Both the reconstruction error (1.8445 × 10−17) and decomposition time (0.01 s) were greatly reduced through fast, complementary ensemble empirical mode decomposition (FCEEMD). Secondly, we integrated the energy and kurtosis of the IMF and proposed an effective IMF selection method based on energy kurtosis mean filtering, and the background noise of the signal was greatly suppressed. Finally, the periodic impacts were extracted from the IMF reconstruction signal by multipoint optimal minimum entropy deconvolution adjusted (MOMEDA). The fault frequencies were extracted from the periodic impacts through Hilbert demodulation, and the relative errors between the measured values and the theoretical values were all less than 0.05. The experimental results show that the proposed method can extract fault features more efficiently and provide a novel method for the fault diagnosis of rotating machinery." @default.
• W4295766027 created "2022-09-15" @default.
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• W4295766027 date "2022-09-14" @default.
• W4295766027 modified "2023-10-14" @default.
• W4295766027 title "A FCEEMD Energy Kurtosis Mean Filtering-Based Fault Feature Extraction Method" @default.
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• W4295766027 doi "https://doi.org/10.3390/coatings12091337" @default.
• W4295766027 hasPublicationYear "2022" @default.
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