Estimation of the Defect Width on the Outer Race of a Rolling Element Bearing under Time-Varying Speed Conditions

Figure 7

Prewhitening of vibration signal by edited cepstrum: (a) prewhitening signal of 0.75 mm defect size on the outer race. (b) Prewhitening signal of 1.5 mm defect size on the outer race. (c) Prewhitening signal of 2.5 mm defect size on the outer race.

(a)

(b)

(c)