An Experiment Monitoring Signals of Coal Bed Simulation under Forced Vibration Conditions

Table 5

Setting of experimental parameters.

Working condition	Frequency; (hz)	Input acceleration	Vibration duration (s)	Vibration; cycles	Working condition	Frequency (hz)	Input acceleration	Vibration duration (s)	Vibration; cycles
1	White noise	0.02 g	15.0	—	43	30	0.5 g	8.0	240
2	1	0.02 g	30.0	30	44	White noise	0.02 g	15.0	—
3	5	0.02 g	6.0	30	45	32	0.5 g	7.5	240
4	10	0.02 g	6.0	60	46	White noise	0.02 g	15.0	—
5	15	0.02 g	4.0	60	47	34	0.5 g	7.1	240
6	20	0.02 g	3.0	60	48	White noise	0.02 g	15.0	—
7	24	0.02 g	5.0	120	49	24	0.75 g	10.0	240
8	White noise	0.02 g	15.0	—	50	White noise	0.02 g	15.0	—
9	1	0.1 g	30.0	30	51	27	0.75 g	8.9	240
10	White noise	0.02 g	15.0	—	52	White noise	0.02 g	15.0	—
11	5	0.1 g	6.0	30	53	30	0.75 g	8.0	240
12	White noise	0.02 g	15.0	—	54	White noise	0.02 g	15.0	—
13	10	0.1 g	12.0	120	55	32	0.75 g	7.5	240
14	White noise	0.02 g	15.0	—	56	White noise	0.02 g	15.0	—
15	15	0.1 g	8.0	120	57	34	0.75 g	7.1	240
16	White noise	0.02 g	15.0	—	58	White noise	0.02 g	15.0	—
17	20	0.1 g	6.0	120	59	28	1.5 g	8.6	240
18	White noise	0.02 g	15.0	—	60	White noise	0.02 g	15.0	—
19	24	0.1 g	5.0	120	61	29	1.5 g	8.3	240
20	White noise	0.02 g	15.0	—	62	White noise	0.02 g	15.0	—
21	27	0.1 g	4.4	120	63	30	1.5 g	8.0	240
22	White noise	0.02 g	15.0	—	64	White noise	0.02 g	15.0	—
23	30	0.1 g	4.0	120	65	31	1.5 g	7.7	240
24	White noise	0.02 g	15.0	—	66	White noise	0.02 g	15.0	—
25	32	0.1 g	3.8	120	67	32	1.5 g	7.5	240
26	White noise	0.02 g	15.0	—	68	White noise	0.02 g	15.0	—
27	34	0.1 g	3.5	120	69	33	1.5 g	7.3	240
28	White noise	0.02 g	15.0	—	70	White noise	0.02 g	15.0	—
29	2	0.5 g	15.0	30	71	34	1.5 g	7.1	240
30	White noise	0.02 g	15.0	—	72	White noise	0.02 g	15.0	—
31	5	0.5 g	6.0	30	73	36	1.5 g	6.7	240
32	White noise	0.02 g	15.0	—	74	White noise	0.02 g	15.0	—
33	10	0.5 g	12.0	120	75	35	1.5 g	57.1	2000
34	White noise	0.02 g	15.0	—	76	White noise	0.02 g	15.0	—
35	15	0.5 g	8.0	120	77	20	1.5 g	24.0	480
36	White noise	0.02 g	15.0	—	78	White noise	0.02 g	15.0	—
37	20	0.5 g	6.0	120	79	15	1.2 g	16.0	240
38	White noise	0.02 g	15.0	—	80	White noise	0.02 g	15.0	—
39	24	0.5 g	10.0	240	81	10	1.5 g	24.0	240
40	White noise	0.02 g	15.0	—	82	White noise	0.02 g	15.0	—
41	27	0.5 g	8.9	240	83	5	2.4 g	24.0	120
42	White noise	0.02 g	15.0	—