Research Article
Comparison of Support Vector Machine-Based Techniques for Detection of Bearing Faults
Table 3
Gearbox rolling bearing part of the test data.
| Condition | No. | Waveform indicators | Peak indicators | Pulse indicators | Margin indicators | Skewness indicators | Kurtosis indicators | Square root amplitude indicators | Variance indicators | Fault vectors |
| Normal working condition | 1 | 0.09588 | 0.53224 | 0.24173 | 0.20448 | 0.51611 | 0.03526 | 0.17879 | 0.04628 | 1 0 0 0 | 1 | 0.11289 | 0.51225 | 0.23845 | 0.20377 | 0.52608 | 0.04482 | 0.16192 | 0.04057 | 1 0 0 0 | 1 | 0.12228 | 0.56400 | 0.26832 | 0.23252 | 0.52019 | 0.05668 | 0.16716 | 0.04534 | 1 0 0 0 | 1 | 0.11622 | 0.53903 | 0.25321 | 0.21912 | 0.51666 | 0.04718 | 0.17267 | 0.04752 | 1 0 0 0 | 1 | 0.11786 | 0.55632 | 0.26259 | 0.22567 | 0.52295 | 0.04990 | 0.15487 | 0.03791 | 1 0 0 0 |
| Bearing rolling body wear | 2 | 0.54353 | 0.40827 | 0.38294 | 0.37250 | 0.59843 | 0.31965 | 0.16339 | 0.06092 | 0 1 0 0 | 2 | 0.60910 | 0.54342 | 0.51213 | 0.49747 | 0.51227 | 0.56277 | 0.18455 | 0.07494 | 0 1 0 0 | 2 | 0.45217 | 0.30946 | 0.28530 | 0.27138 | 0.64460 | 0.26976 | 0.18495 | 0.06880 | 0 1 0 0 | 2 | 0.49561 | 0.26334 | 0.24941 | 0.24385 | 0.50410 | 0.27975 | 0.18769 | 0.07309 | 0 1 0 0 | 2 | 0.63880 | 0.63699 | 0.60060 | 0.58445 | 0.79246 | 0.52269 | 0.17265 | 0.06906 | 0 1 0 0 |
| Bearing inner wear | 3 | 0.68707 | 0.51198 | 0.49176 | 0.48969 | 0.62457 | 0.34256 | 0.16732 | 0.06511 | 0 0 1 0 | 3 | 0.62558 | 0.43216 | 0.40986 | 0.40832 | 0.77435 | 0.27577 | 0.18815 | 0.07656 | 0 0 1 0 | 3 | 0.86775 | 0.99513 | 0.98020 | 0.97941 | 0.68787 | 0.88819 | 0.18280 | 0.08185 | 0 0 1 0 | 3 | 0.52453 | 0.32400 | 0.29960 | 0.29477 | 0.75905 | 0.19560 | 0.17828 | 0.06601 | 0 0 1 0 | 3 | 0.58831 | 0.53356 | 0.49739 | 0.48661 | 0.74203 | 0.31474 | 0.20000 | 0.08168 | 0 0 1 0 |
| Bearing outer wear | 4 | 0.41210 | 0.40406 | 0.37079 | 0.37785 | 0.82109 | 0.29742 | 0.05195 | 0.00389 | 0 0 0 1 | 4 | 0.30126 | 0.27371 | 0.22915 | 0.23061 | 0.83458 | 0.20928 | 0.05965 | 0.00436 | 0 0 0 1 | 4 | 0.28571 | 0.32255 | 0.27189 | 0.27099 | 0.94385 | 0.18767 | 0.06261 | 0.00467 | 0 0 0 1 | 4 | 0.36176 | 0.69431 | 0.63473 | 0.62322 | 0.95108 | 0.29974 | 0.05337 | 0.00388 | 0 0 0 1 | 4 | 0.30060 | 0.50413 | 0.44302 | 0.42931 | 0.92342 | 0.24875 | 0.05885 | 0.00424 | 0 0 0 1 |
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