Fault Diagnosis of Rotating Machinery Based on Stochastic Resonance with a Bistable Confining Potential

Figure 12

Vibration signal and the spectrum of the missing tooth: (a) time-domain waveform, (b) power spectrum, and (c) envelope spectrum. Vibration signal and the spectrum of the broken tooth: (d) time-domain waveform, (e) power spectrum, and (f) envelope spectrum.

(a)

(b)

(c)

(d)

(e)

(f)