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

<div>Analysis results of simulation signal. (a) The modes obtained by the improved VMD method. (b) WAFM indexes of IMF components. (c) Envelope spectrum of IMF4 component. (d) Envelope spectrum of IMF3 component. (e) Envelope spectrum of IMF5 component.</div>

Shock and Vibration

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Figure 5

Figure 5: Research on the Fault Diagnosis Method for Rolling Bearings Based on Improved VMD and Automatic IMF Acquisition 