Abstract

When dealing with the vibration analysis of the rolling element bearing under gear noise and time-varying speed condition, order tracking is always utilized to convert the time signal to angular domain. In this way, the smearing effect in the spectrum is avoided and the noise cancellation methods based on the periodicity of the gear signal can be reapplied. In this paper, the resonance frequency variation of the resampled signal is analyzed and its influence on the kurtogram algorithm based bandpass filtering procedure is studied through a simulation experiment and a fault feature extraction method of the rolling bearing based on reverse order tracking is proposed. Effectiveness of the proposed method is verified through the analysis of the signal measured from the test-rig.

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