Rolling Bearing Reliability Assessment via Kernel Principal Component Analysis and Weibull Proportional Hazard Model

Table 3

PCA and KPCA results.

	PC1		PC2		PC3
		CCR (%)		CCR (%)		CCR (%)
High training original feature set
PCA	5.4784	49.80	2.1019	68.91	1.6367	83.79
KPCA	0.0017	49.44	0.000639	68.46	0.000502	83.40
High training relative feature set
PCA	7.0233	63.85	1.9339	81.43	0.9457	90.03
KPCA	0.0021	63.24	0.000582	80.71	0.000283	89.20