Rolling Bearing Fault Diagnosis under Variable Conditions Using Hilbert-Huang Transform and Singular Value Decomposition

Table 1

Relevant information for dataset.

Label	Groups
	Status	Working condition
		0 HP (1797 RPM)	1 HP (1772 RPM)	2 HP (1750 RPM)	3 HP (1720 RPM)
1	Normal	24	24	24	24
2	Inner-race fault	24	24	24	24
3	Outer-race fault	24	24	24	24
4	Rolling element fault	24	24	24	24