A Method for Aileron Actuator Fault Diagnosis Based on PCA and PGC-SVM

Table 14

Contribution rate of principal component.

Principal component	Eigenvalue	Contribution rate	Cumulative contribution rate
1	4.0114	83.44%	83.44%
2	0.1995	4.15%	87.59%
3	0.1339	2.79%	90.38%
4	0.1257	2.61%	92.99%
5	0.1048	2.18%	95.17%
6–16	<0.1	<2%	>95.17%