Research Article
Virtual Sensor for Calibration of Thermal Models of Machine Tools
Table 4
Comparison of the simulation results for different VS model types.
| Model type | | RMSE | MAPD, % |
| Regression model | | | | Training data set | 0.990 | 4.88 | 7.4 | Test data set | 0.998 | 2.43 | 4.4 | Static ANN model | | | | Training data set | 0.999 | 1.38 | 1.99 | Test data set | 0.999 | 1.32 | 2.30 | Dynamic ANN model | | | | Training data set | 0.999 | 1.16 | 2.28 | Test data set | 0.999 | 0.75 | 1.00 |
|
|