Optimal Maintenance Decision Method for a Sensor Network Based on Belief Rule Base considering Attribute Correlation

Table 4

Initial health assessment model for WSN.

No.	Rule weight	Characteristic		Output distribution
		CR	FR	{L, SL, M, SH, and H}
1	1	L	L	(1 0 0 0 0)
2	1	L	SL	(0.7 0.3 0 0 0)
3	1	L	M	(0.6 0.4 0 0 0)
4	1	L	SH	(0.5 0.5 0 0 0)
5	1	L	H	(0.6 0.3 0 0 0)
6	1	M	L	(0.3 0.7 0 0 0)
7	1	M	SL	(0.2 0.8 0 0 0)
8	1	M	M	(0.1 0.9 0 0 0)
9	1	M	SH	(0 0.7 0 0 0.3)
10	1	M	H	(0 0.5 0 0 0.5)
11	1	SH	L	(0.2 0.8 0 0 0)
12	1	SH	SL	(0 1 0 0 0)
13	1	SH	M	(0 0.8 0 0 0.2)
14	1	SH	SH	(0 1 0 0 0)
15	1	SH	H	(0 0.8 0 0 0.2)
16	1	H	L	(0 0.9 0 0 0.1)
17	1	H	SL	(0 1 0 0 0)
18	1	H	M	(0 0.8 0 0 0.2)
19	1	H	SH	(0 0.6 0 0 0.4)
20	1	H	H	(0 0 0 0.4 0.6)