Automatic Acquisition System for Mine Pressure Monitoring in Coal Mine Working-Face Footage

Table 1

Table of working-face progression.

Name of working face	Time	Footage test values (m)	Actual value of footage (m)	Error (m)
1703	2023-3-1 07:35	46.2	46.2	0.0
1703	2023-3-1 16:32	47.1	47.0	0.1
1703	2023-3-1 18:03	48.0	47.7	0.3
1703	2023-3-1 19:44	48.8	48.5	0.3
1703	2023-3-1 22:25	49.5	49.3	0.2
1703	2023-3-2 02:06	50.4	50.1	0.3
1703	2023-3-2 03:11	51.1	50.8	0.3
1703	2023-3-2 04:36	51.8	51.6	0.2
1703	2023-3-2 05:52	52.5	52.4	0.1
1703	2023-3-2 06:18	53.2	53.2	0.0
1703	2023-3-2 16:50	54.0	54.0	0.0
1703	2023-3-2 18:16	54.6	54.8	0.2
1703	2023-3-2 18:51	55.4	55.3	0.1
1703	2023-3-2 20:06	56.5	56.7	0.2
1703	2023-3-2 23:36	57.3	57.3	0.0
1703	2023-3-3 01:23	58.5	58.3	0.2
1703	2023-3-3 02:27	59.2	59.1	0.1
1703	2023-3-3 03:58	60.1	60.1	0.0
1703	2023-3-3 05:47	60.9	60.9	0.0
1703	2023-3-3 07:21	61.5	61.6	0.1
1703	2023-3-3 14:49	62.3	62.4	0.1
1703	2023-3-3 16:20	63.0	63.1	0.1
1703	2023-3-3 19:45	63.7	63.6	0.1
1703	2023-3-3 20:56	64.5	64.7	0.2
1703	2023-3-4 03:19	65.2	65.2	0.0
1703	2023-3-4 05:51	66.1	66.2	0.1
1703	2023-3-4 07:23	66.6	66.6	0.0
1703	2023-3-4 08:28	67.4	67.2	0.2
1703	2023-3-4 13:46	68.2	68.0	0.2
1703	2023-3-4 16:18	68.9	69.1	0.2
1703	2023-3-4 20:27	69.7	69.8	0.1
1703	2023-3-4 23:02	70.4	70.5	0.1
1703	2023-3-5 02:37	71.2	71.2	0.0
1703	2023-3-5 06:47	71.8	71.5	0.3
1703	2023-3-5 09:38	72.5	72.7	0.2
1703	2023-3-5 11:09	73.8	73.9	0.1
1703	2023-3-5 16:53	74.6	74.6	0.0
1703	2023-3-5 19:22	75.3	75.3	0.0
1703	2023-3-5 22:17	75.8	75.7	0.1
1703	2023-3-5 23:26	76.6	76.5	0.1