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

Figure 12

Results obtained by the proposed CPS for a bearing outer race fault signal: (a) IMF 3; (b) first periodic impact component extracted from (a); (c) second periodic impact components extracted from (a); (d) squared envelope spectrum of (a); (e) squared envelope spectrum of (b); (f) squared envelope spectrum of (c).

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