Research Article
Porosity Characterization of Thermal Barrier Coatings by Ultrasound with Genetic Algorithm Backpropagation Neural Network
Table 4
The configuration parameters of the GA-BPNN model.
| Name | Parameters | Value |
| BPNN | Learning rate | 0.0015 | Training goal | 0.0001 | Epoch | 1000 | Training function | Trainlm | Transfer function | Sigmoid |
| GA | Cycle index | 10000 | Maxgen | 60 | Selectivity factor | 1.0 | Crossover factor | 0.3 | Mutation factor | 0.1 |
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