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- W2393670298 abstract "A fault recognition method based on Hilbert-Huang Transform(HHT)and the fuzzy Cmeans clustering is proposed.This method takes advantages of HHT in processing nonlinear and nonstationary signals.The vibration acceleration signals collected from the axial piston pump housing are processed by HHT.First,the signals are treated by means of the Empirical Mode Decomposition(EMD)and the Ensemble Empirical Mode Decomposition(EEMD)respectively.Then,the Intrinsic Mode Function(IMF),which is most sensitive to faults,is chosen according to the short-term maximum entropy spectrum analysis,and the sensitive IMF is re-decomposed.Third,the fault characteristic vector is constructed based on the characteristic energy of the local marginal energy spectrum.Finally,the faults are recognized using the fuzzy C-means clustering algorithm.The resultsshow that,compared with EMD,the interactive time based on EEMD is reduced greatly,and the fault recognition accuracy is substantially improved by the proposed recognition method." @default.
- W2393670298 created "2016-06-24" @default.
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- W2393670298 date "2015-01-01" @default.
- W2393670298 modified "2023-09-25" @default.
- W2393670298 title "HHT and fuzzy C-means clustering-based fault recognition for axial piston pump" @default.
- W2393670298 hasPublicationYear "2015" @default.
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