Combined Failure Diagnosis of Slewing Bearings Based on MCKD-CEEMD-ApEn

Table 3

Results of ApEn of the proposed method.

Stages	IMFn
	1	2	3	4	5	6	7
(A)	0.447	0.251	0.172	0.089	0.058	0.046	0.032
(B)	0.598	0.393	0.288	0.202	0.150	0.113	0.085
(C)	0.771	0.450	0.350	0.173	0.179	0.171	0.134