基于数字孪生的复杂矿用设备预测性维护系统

张旭辉,鞠佳杉,杨文娟,吕欣媛

Predictive maintenance system for complex mining equipment based on digital twin

Xu-hui ZHANG,Jia-shan JU,Wen-juan YANG,Xin-yuan LÜ

表2 采煤机右摇臂液压柱塞泵故障数据

Table 2 Fault data of right rocker hydraulic plunger pump of shearer

样本	a/ $℃$	b/%	c/MPa	d/MPa	e/(r/min)	f/ $μ m$	λ
1	26.3	67	46.98	203.25	63	16.3	1
2	28.5	63	51.22	192.92	67	16.1	0
3	20.4	60	52.00	221.44	76	16.7	1
4	21.4	65	27.51	225.37	72	17.1	1
5	23.6	70	59.35	212.76	59	17.5	0
6	28.5	69	61.47	226.93	47	18.0	1
7	29.8	62	62.70	215.18	80	18.1	1
8	28.2	66	62.88	227.70	46	18.7	1
9	25.6	63	64.19	218.34	80	19.2	1
10	23.2	62	65.32	210.78	46	19.2	0
11	22.9	66	67.21	213.65	87	19.9	1
12	23.4	70	67.76	220.02	86	20.3	0
13	25.7	73	69.35	212.45	53	20.7	0
14	29.6	73	70.50	217.23	65	21.2	1
15	28.0	69	71.24	209.61	64	21.8	0
16	27.9	65	71.99	211.74	77	20.4	0
17	28.2	63	73.64	221.15	69	22.6	0
18	28.3	69	75.08	219.19	81	23.0	1
19	26.3	65	75.53	219.89	73	23.1	1
20	23.0	66	76.69	220.03	82	24.7	0