Research Article
Blind Parameter Identification of MAR Model and Mutation Hybrid GWO-SCA Optimized SVM for Fault Diagnosis of Rotating Machinery
Table 3
Normalized central frequencies with different K values.
| Number of modes | Normalized central frequencies |
| 2 | 0.2256 | 0.0907 | | | | | | | | 3 | 0.2978 | 0.2275 | 0.0999 | | | | | | | 4 | 0.2471 | 0.1738 | 0.0860 | 0.0127 | | | | | | 5 | 0.3066 | 0.2834 | 0.2271 | 0.1148 | 0.0525 | | | | | 6 | 0.3072 | 0.2854 | 0.2364 | 0.2142 | 0.1139 | 0.0519 | | | | 7 | 0.3170 | 0.2981 | 0.2757 | 0.2270 | 0.1242 | 0.0982 | 0.0493 | | | 8 | 0.3178 | 0.2990 | 0.2777 | 0.2363 | 0.2147 | 0.1231 | 0.0975 | 0.0492 | | 9 | 0.4022 | 0.3133 | 0.2970 | 0.2768 | 0.2363 | 0.2146 | 0.1230 | 0.0975 | 0.0492 |
|
|