A New Improved Kurtogram and Its Application to Bearing Fault Diagnosis

Figure 38

The results obtained by the improved Kurtogram proposed by Lei et al. for processing the 6205 bearing in gearbox under load 405 Nm. (a) the improved Kurtogram, (b) power spectrum of the envelope of the signal extracted from node by WPD, (c) power spectrum of the envelope signal extracted from node by WPD, (d) power spectrum of the envelope signal extracted from node by WPD.

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