Research Article
Intelligent Diagnosis of Bogie Traction Seat Based on PCA-OVO and SVM Optimized by Modified Arithmetic Optimization Algorithm
Table 8
Energy eigenvalues of IMFs components for some samples.
| | State | Normal | Small crack | Large crack |
| | Sample group | N1 | N2 | N3 | S1 | S2 | S3 | L1 | L2 | L3 | | IMF_1 energy | 2810.051 | 2807.177 | 2724.432 | 326216.846 | 274433.601 | 269368.322 | 31.521 | 22.849 | 23.580 | | IMF_2 energy | 3620.001 | 3867.730 | 3779.950 | 517319.835 | 1734221.172 | 1803900.648 | 3368.694 | 3336.236 | 3710.523 | | IMF_3 energy | 2892.149 | 2751.088 | 2168.178 | 6763948.387 | 2766758.119 | 4457329.610 | 1526.098 | 1588.331 | 1545.651 | | IMF_4 energy | 86579.959 | 180216.833 | 153785.202 | 3166609.294 | 2766758.119 | 5846717.077 | 1221.916 | 1223.653 | 1273.770 |
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