Research Article
Neuro-Fuzzy Model for the Prediction and Classification of the Fused Zone Levels of Imperfections in Ti6Al4V Alloy Butt Weld
Table 4
Neural network architecture and performance for the direct approach.
| Imperfection | Neurons in the input layer | Neurons in the hidden layer | Neurons in the output layer | Regression slope for training | Regression slope for validation | Correlation coefficient |
| | 3 | 6 | 1 | 0.994 | 0.962 | 0.912 | | 3 | 8 | 1 | 0.996 | 0.972 | 0.922 | | 3 | 9 | 1 | 0.989 | 0.976 | 0.938 | | 3 | 8 | 1 | 0.991 | 0.981 | 0.921 |
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