Feature Extraction Based on Adaptive Multiwavelets and LTSA for Rotating Machinery Fault Diagnosis

Table 7

Sixteen-dimensional feature subset obtained by feature selection scheme for hydroelectric generator unit experiment.

Features number		1	2	3	4	…	15	16
Normal	1	0.04	1.56	0.21	1.96	…	2.64	0.60
	2	0.05	1.66	0.19	1.92	…	3.14	0.55
	…	…	…	…	…	…	…	…
	16	0.00	1.51	0.17	1.75	…	2.44	0.73
Unbalance	1	0.44	3.11	0.25	3.05	…	2.84	0.99
	2	0.03	3.22	0.26	2.53	…	3.03	1.12
	…	…	…	…	…	…	…	…
	16	0.18	3.62	0.87	2.91	…	2.49	1.00