Escape-Route Planning of Underground Coal Mine Based on Improved Ant Algorithm

Table 5

Partial data and weights of underground tunnel network.

Start point	End point	Tunnel type influenc 𝑘𝑡𝑖	Wind speed (m/s)	Angle of slope (°)	Special factors influence 𝑘𝑑𝑖	The lowest height of smoke layer (m)	Visibility distance (m)	Body interval (m)	Length (m)
31	30	∞	0	0	1	6	20	1	40
30	32	1	10.3	10	1	6	20	0.8	35
32	33	1	5.6	0	1	6	20	0.8	242
35	12	0.5	9.4	0	1	5	20	0.8	80
12	37	1	10.3	10	∞	5	20	0.8	281
…	…	…	…	…	…	…	…	…	…