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

<div>Analysis results of compound fault signal. (a) The modes obtained by the improved VMD method. (b) SPRI indexes of IMF components. (c) SPRO indexes of IMF components. (d) Envelope spectrum of IMF1 component. (e) Envelope spectrum of IMF6 component.</div>

Shock and Vibration

fig18

Figure 18

Figure 18: Research on the Fault Diagnosis Method for Rolling Bearings Based on Improved VMD and Automatic IMF Acquisition 