Validation of Infinite Impulse Response Multilayer Perceptron for Modelling Nuclear Dynamics

Table 4

Values of the performance indices (RMSE, MAE, MRE) calculated over different test sets for the buffered MLP, FIR-MLP, and IIR-LRNN trained to estimate the reactor neutron flux dynamics.

Buffered MLP
			Errors
Forcing function	Number of sequences	RMSE	MAE	MRE
Step	80	0.0805	0.0523	0.0051
Ramp	80	0.0751	0.0503	0.0065
Sine	80	0.0763	0.0513	−0.0041
Random	80	0.0792	0.0520	0.0047
FIR-MLP
			Errors
Forcing function	Number of sequences	RMSE	MAE	MRE
Step	80	0.0753	0.0487	0.0024
Ramp	80	0.0698	0.0435	0.0050
Sine	80	0.0705	0.0450	−0.0035
Random	80	0.0748	0.0482	0.0038
IIR-LRNN
			Errors
Forcing function	Number of sequences	RMSE	MAE	MRE
Validation Step	80	0.0098	0.0060	−0.0003
Ramp	80	0.0049	0.0039	0.0037
Sine	80	0.0058	0.0051	−0.0011
Random	80	0.0063	0.0054	0.0021