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