A Novel Wheelset Bearing Fault Diagnosis Method Integrated CEEMDAN, Periodic Segment Matrix, and SVD

Figure 7

Results obtained by the proposed CPS: (a) periodic impact components from the first IMF; (b) Fourier spectrum of (a); (c) envelope spectrum of (a); (d) first periodic impact components from the third IMF; (e) Fourier spectrum of (d); (f) envelope spectrum of (d); (g) second periodic impact components from the third IMF; (h) Fourier spectrum of (g); (i) envelope spectrum of (g).

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