A Novel Method for Adaptive Multiresonance Bands Detection Based on VMD and Using MTEO to Enhance Rolling Element Bearing Fault Diagnosis

Figure 10

Analyzed results of the simulated signal with double resonance bands shown in Figure 8(b) by the proposed method: (a) power spectrum obtained by VMD; (b) the number of iterations with central frequencies; (c) kurtosis curve of five decomposed modes; (d) waveform of second mode with the second maximum kurtosis value; (e) waveform of third mode with the maximum kurtosis value.

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