Remaining Useful Life Prediction of Bearing with Vibration Signals Based on a Novel Indicator

Table 2

Metrics comparison of features.

Feature	Corr	Mon	Rob	Cri	Time
RMS	0.6287	0.0010	0.9849	0.5000	91.4562
Kurtosis	0.4895	0.0051	0.9763	0.4963	93.2149
Skewness	0.5202	0.0051	0.5195	0.2185	93.4770
Peak-Peak	0.5049	0.0132	0.9464	0.6382	91.5909
Variance	0.3965	0.0010	0.9716	0.3654	91.7569
AADFSH	0.2602	0.0051	0.6445	0.1579	92.7336
PC1	0.5174	0.0031	0.7609	0.3348	2570.6297
SFB	0.4888	0.0275	0.9593	0.9076	93.7524