Research Article
Research on Feature Extraction of Performance Degradation for Flexible Material R2R Processing Roller Based on PCA
Table 4
Cumulative variance contribution rate table of roll vibration signals for flexible material R2R system.
| Eigenvalue number | Eigenvalue | Variance ratio | Accumulated contribution rate |
| | 21.213 | 0.930 | 0.930 | | 0.924 | 0.041 | 0.971 | | 0.427 | 0.019 | 0.989 | | 0.145 | 0.006 | 0.995 | | 0.063 | 0.003 | 0.998 | | 0.027 | 0.001 | 0.999 | | 0.009 | 0.000 | 1.000 | | 0.005 | 0.000 | 1.000 | | 0.001 | 0.000 | 1.000 | | 0.000 | 0.000 | 1.000 |
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