Intelligent Control of Smooth Blasting Quality in Rock Tunnels Using BP-ANN, ENN, and ANFIS

Table 27

Comparison of prediction results of three comprehensive optimization control models.

Evaluation index	Actual output			Desired output	Error (%)
	BP-ANN	ENN	ANFIS		BP-ANN	ENN	ANFIS
Maximum overbreak (m)	0.750	0.700	0.730	0.73	2.730	4.110	0.014
Maximum underbreak (m)	0.173	0.200	0.170	0.17	1.588	17.647	0.059
Area of overbreak (m^2)	7.734	9.000	8.920	8.92	13.291	0.897	0.001
Volume of overbreak (m^3)	5.256	4.000	4.460	4.46	17.841	10.314	0.002
Blast hole utilization factor (%)	87.519	82.000	81.999	82.00	6.731	0	0.001