Study on Fault Feature Extraction of Rolling Bearing Based on Improved WOA-FMD Algorithm

<div>Time-domain waveform and spectra of experimental signals. (a) Inner race fault bearing vibration signal. (b) Outer race fault bearing vibration signal.</div>

Shock and Vibration

fig11

Figure 11

Figure 11: Study on Fault Feature Extraction of Rolling Bearing Based on Improved WOA-FMD Algorithm 