A Fault Diagnosis Method of Train Wheelset Rolling Bearing Combined with Improved LMD and FK

Table 3

Kurtosis of the simulation fault signal.

Method	Kurtosis
	PF1	PF2	PF3
ICIE LMD	2.40	3.96	3.41
CSI LMD	2.46	3.89	3.11
CIE LMD	2.37	3.96	3.31