Research Article
Artificial Neural Network Model for Monitoring Oil Film Regime in Spur Gear Based on Acoustic Emission Data
Table 6
Best validation performance for FFBP and Elman networks during training.
| Load and speed condition | FFBP network | Elman network | Best validation | Iteration number | Best validation | Iteration number |
| S1L1 | 6.2725 × 10−5 | 247 | 6.4130 × 10−5 | 459 | S1L2 | 1.9810 × 10−5 | 993 | 6.9132 × 10−5 | 351 | S1L3 | 1.5007 × 10−5 | 1000 | 2.5177 × 10−3 | 420 | S2L1 | 8.6352 × 10−5 | 1000 | 8.9168 × 10−3 | 208 | S2L2 | 4.6211 × 10−4 | 131 | 2.6495 × 10−3 | 883 | S2L3 | 4.5334 × 10−3 | 369 | 5.1342 × 10−3 | 438 |
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