Prediction Method of TBM Tunneling Parameters Based on Bi-GRU-ATT Model

Table 1

Evaluation indexes of prediction results of Bi-GRU-ATT model.

Model	Parameter
Bi-GRU-ATT	Total thrust	1.01	0.925	151.52	193.62
	Penetration	1.60	0.930	0.15	0.20
	Cutterhead torque	1.40	0.936	31.30	44.44
	Cutterhead power	1.71	0.944	34.13	34.75