Research on the Fault Diagnosis Method for Rolling Bearings Based on Improved VMD and Automatic IMF Acquisition

<div>Analysis results of inner race fault signal. (a) The modes obtained by the improved VMD method. (b) WAFM indexes of IMF components. (c) Envelope spectrum of IMF8 component. (d) Envelope spectrum of IMF7 component. (e) Envelope spectrum of IMF9 component.</div>

Shock and Vibration

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Figure 13

Figure 13: Research on the Fault Diagnosis Method for Rolling Bearings Based on Improved VMD and Automatic IMF Acquisition 