Association Rule-Based Feature Mining for Automated Fault Diagnosis of Rolling Bearing

Table 7

The range of eigenvalues in different fault sizes.

Types	fBPFO	fBSF	fBPFI	f	xMV	xSD	xRMS	xRA	xCF	xS	xK	xKC
Normal	−0.1124		−0.0289	−0.0011	0.0109	0.1053	0.1067	0.0310	−0.1860	−0.0042	−0.2403	2.4037
	—		—	—	—	—	—	—	—	—	—	—
	−0.0351		0.0073	0.0330	0.0138	0.1736	0.1748	0.0682	0.5280	0.0033	0.0261	4.9411
IR 0.007	0.0211	0.0233	0.1455	−0.0011		0.2846	0.2856	0.1606	1.4855	0.0033	0.0261	4.9411
	—	—	—	—		—	—	—	—	—	—	—
	0.0686	0.0406	0.1817	0.0330		0.3379	0.3388	0.1834	1.8912	0.0095	0.2509	7.0821
IR 0.021	0.0211	0.0902	0.1817	0.2249		0.4639	0.4644	0.2478			0.4591	7.0821
	—	—	—	—		—	—	—			—	—
	0.0686	0.1108	0.2762	0.3528		0.5578	0.5581	0.2999			0.6672	9.0645
OR 0.007	0.3374					0.5578	0.5581	0.2478	3.2544	0.0450		7.0821
	—					—	—	—	—	—		—
	0.5577					0.6974	0.6978	0.2999	3.9685	0.0884		9.0645
OR 0.021	0.3374	0.1391		0.2249	0.0028	0.5578	0.5581	0.1834	3.9685		1.5247
	—	—		—	—	—	—	—	—		—
	0.5577	0.2539		0.3528	0.0075	0.6974	0.6978	0.2106	6.6529		4.4361