Research Article
Implementation of Black Box Models for Internal Ballistics Optimization Using an Artificial Neural Network
Table 1
Overall error performance comparison using different performance indicators.
| | | the ballistic body velocity: u (m/s) | the torque of the launching pump: T (nm) |
| | Indicators | AE | MAE | RMSE | AARE | AE | MAE | RMSE | AARE |
| | No.1 | -2.56E-03 | 2.56E-03 | 6.52E-01 | 2.32E-02 | -2.22E+00 | 2.22E+00 | 8.30E+02 | 4.03E-02 |
| | No.2 | 3.37E-04 | 3.37E-04 | 7.62E-01 | 2.76E-03 | -5.88E-01 | 5.88E-01 | 3.72E+02 | 9.48E-03 |
| | No.3 | -5.58E-05 | 5.58E-05 | 3.96E-02 | 4.63E-04 | 3.70E-01 | 3.70E-01 | 8.21E+01 | 7.20E-03 |
| | No.4 | -9.15E-04 | 9.15E-04 | 3.19E-01 | 7.80E-03 | -1.23E+00 | 1.23E+00 | 3.27E+02 | 2.83E-02 |
| | No.5 | -1.85E-03 | 1.85E-03 | 7.51E-01 | 1.62E-02 | -6.23E+00 | 6.23E+00 | 1.19E+03 | 2.53E-01 |
| | No.6 | -2.09E-03 | 2.09E-03 | 5.85E-01 | 1.85E-02 | -6.61E+00 | 6.61E+00 | 1.11E+03 | 2.99E-01 |
| | No.7 | -5.55E-04 | 5.55E-04 | 5.82E-01 | 4.67E-03 | -5.07E+00 | 5.07E+00 | 9.43E+02 | 1.68E-01 |
| | No.8 | -3.05E-04 | 3.05E-04 | 6.62E-01 | 2.55E-03 | -7.63E-01 | 7.63E-01 | 4.50E+02 | 1.66E-02 |
| | No.9 | -6.30E-03 | 6.30E-03 | 1.47E+00 | 6.59E-02 | -1.67E+00 | 1.67E+00 | 3.23E+02 | 3.96E-02 |
| | No.10 | -4.35E-04 | 4.35E-04 | 8.34E-01 | 3.65E-03 | -5.44E-01 | 5.44E-01 | 5.50E+02 | 1.19E-02 |
| | No.11 | 1.13E-04 | 1.13E-04 | 3.59E-01 | 9.35E-04 | -6.22E-01 | 6.22E-01 | 3.71E+02 | 1.31E-02 |
| | No.12 | -6.57E-04 | 6.57E-04 | 3.01E-01 | 5.56E-03 | -7.88E-01 | 7.88E-01 | 3.15E+02 | 1.69E-02 |
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