Research Article
Quantitative Diagnosis of Rotor Vibration Fault Using Process Power Spectrum Entropy and Support Vector Machine Method
Table 2
Partial PPSE vectors of each fault mode.
| | Fault types | Sample number | PPSE vector | Category number |
| | Rotor imbalance | 1 | 4.315 | 4.373 | 4.466 | 4.991 | 4.864 | 4.443 | 5.258 | 5.244 | 5.131 | 5.101 | 4.576 | 1 | | 4.513 | 4.313 | 4.939 | 4.375 | 4.919 | 4.772 | 4.429 | 4.870 | 4.982 | 5.158 | | | 2 | 4.398 | 4.730 | 4.472 | 4.621 | 4.713 | 3.957 | 5.035 | 5.078 | 4.997 | 4.438 | 4.533 | 1 | | 3.731 | 4.770 | 4.539 | 3.988 | 4.802 | 4.325 | 4.553 | 5.260 | 4.080 | 3.659 | |
| | Shaft misalignment | 1 | 5.042 | 4.966 | 4.890 | 4.553 | 5.140 | 5.145 | 5.107 | 5.031 | 5.401 | 5.431 | 5.484 | 2 | | 5.020 | 5.126 | 5.028 | 5.191 | 4.949 | 4.817 | 4.749 | 4.503 | 4.586 | 3.981 | | | 2 | 4.790 | 4.843 | 4.750 | 4.120 | 5.327 | 5.081 | 5.288 | 5.093 | 5.338 | 5.401 | 4.944 | 2 | | 5.305 | 5.488 | 5.174 | 5.245 | 4.980 | 4.939 | 4.631 | 4.398 | 3.945 | 5.217 | |
| | Rotor rubbing | 1 | 5.292 | 4.867 | 4.993 | 5.185 | 5.344 | 5.081 | 5.267 | 5.463 | 5.227 | 5.469 | 5.199 | 3 | | 5.119 | 5.384 | 4.840 | 5.205 | 5.618 | 4.785 | 5.165 | 5.042 | 5.368 | 5.152 | | | 2 | 4.910 | 5.163 | 5.138 | 4.357 | 5.230 | 5.453 | 5.396 | 5.022 | 5.360 | 5.202 | 5.456 | 3 | | 5.523 | 5.570 | 5.399 | 4.720 | 3.790 | 5.061 | 5.217 | 5.053 | 5.346 | 5.137 | |
| | Pedestal looseness | 1 | 3.578 | 5.260 | 4.777 | 4.871 | 4.786 | 5.275 | 5.071 | 5.272 | 5.414 | 5.142 | 4.903 | 4 | | 5.315 | 5.363 | 5.311 | 5.189 | 5.019 | 5.415 | 4.358 | 5.295 | 4.175 | 5.142 | | | 2 | 4.505 | 4.908 | 5.169 | 5.366 | 5.029 | 5.361 | 5.107 | 5.286 | 5.567 | 5.038 | 5.015 | 4 | | 5.316 | 5.233 | 5.339 | 5.337 | 5.502 | 5.332 | 5.290 | 5.121 | 5.529 | 5.270 | |
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