Multiple-Fault Diagnosis Method Based on Multiscale Feature Extraction and MSVM_PPA

Table 4

Principal component analysis.

Component	Initial Eigenvalues	Percentage (%)	Cumulative (%)
1	0.5227	26.42	26.42
2	0.3128	15.81	42.23
3	0.2932	14.82	57.05
4	0.1143	5.78	62.82
5	0.1044	5.28	68.10
6	0.0857	4.33	72.44
7	0.0751	3.80	76.23
8	0.0583	2.94	79.18
9	0.0419	2.12	81.29
10	0.0389	1.97	83.26
11	0.0372	1.88	85.14
12	0.0349	1.76	86.90
13	0.0290	1.46	88.37
14	0.0280	1.41	89.78
15	0.0247	1.25	91.03