Combining DBN and FCM for Fault Diagnosis of Roller Element Bearings without Using Data Labels

Table 2

Center frequency corresponding to different m in VMD.

m	Center frequency (kHz)
	BLIMF1	BLIMF2	BLIMF3	BLIMF4	BLIMF5	BLIMF6
2	0.0616	0.2294	—	—	—	—
3	0.0535	0.2145	0.2979	—	—	—
4	0.0508	0.1088	0.2288	0.3004	—	—
5	0.0511	0.1101	0.2279	0.2980	0.3469	—
6	0.0507	0.1102	0.2106	0.2356	0.2980	0.3443