Applications of Fractional Lower Order Frequency Spectrum Technologies to Bearing Fault Analysis

Figure 4

PDFs of the normal and bearing fault signals ((a) PDFs of the normal and inner race fault signals in DE, FE, and BA; (b) PDFs of the normal and ball fault signals in DE, FE, and BA; (c) PDFs of the normal and outer race fault signals in DE, FE, and BA).

(a)

(b)

(c)