Correlation Coefficient of Simplified Neutrosophic Sets for Bearing Fault Diagnosis

Table 3

Energy interval ranges at the eight subfrequency bands.

Fault types	Energy in each frequency band
	(healthy)	0.76, 0.80	0.95, 1.00	0.11, 0.15	0.64, 0.71	0.04, 0.06		0.01, 0.05
(outer race fault)	1.00, 1.00	0.24, 0.39	0.02, 0.03	0.13, 0.22	0.00, 0.01		0.01, 0.01
(ball fault)	0.82, 0.93	1.00, 1.00	0.11, 0.16	0.65, 0.74	0.06, 0.08		0.02, 0.06
(inner race fault)	1.00, 1.00	0.49, 0.55	0.06, 0.10	0.20, 0.24	0.00, 0.00		0.03, 0.05