As the Kurtogram cannot effectively differentiate noise impulse and transient fault shock in the vibration signal,it is difficult to extract weak fault features of rolling bearings,a novel method based on Weighted Kurtosis( WK) is proposed to extract fault features of rolling bearings in this paper. The proposed method utilizes a WK to identify the resonant central frequency and confirm the band-pass filter central frequency by setting triple fault frequency as filtered bandwidth,coupling with envelope anal...
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