An Integrated Fault Diagnosis Method for Rotating Machinery Based on Smoothness Priors Approach Fluctuation Dispersion Entropy and Density Peak Clustering

Figure 6

Time-domain vibration signals for rolling bearing under various working states: (a) NR; (b) IRF07; (c) BF07; (d) ORF07; (e) IRF21; (f) BF21; (g) ORF21.

(a)

(b)

(c)

(d)

(e)

(f)

(g)