A New Feature Extraction Method for Bearing Faults in Impulsive Noise Using Fractional Lower-Order Statistics

Figure 8

PDF curve comparison of real faulty bearings and Gaussian signals. (a) Normal. (b) Inner race fault 0.1 mm. (c) Inner race fault 0.3 mm. (d) Outer race fault 0.1 mm. (e) Outer race fault 0.3 mm.

(a)

(b)

(c)

(d)

(e)