Structural Damage Identification Based on Rough Sets and Artificial Neural Network

Table 10

Attribute set 1 rules generation for damage position.

Damage case	Natural frequency			First order strain mode
	1	2	3	1	2	3	4	5	6	7	8	9	10	11	12
1	3	10	8	2	3	1	2	2	2	2	2	2	1	3	1	1
2	3	9	7	3	1	1	2	2	2	2	2	2	1	1	1	1
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
251	1	2	1	1	1	1	1	1	1	1	1	1	1	1	3	3
252	1	1	1	1	1	1	1	1	1	1	1	1	1	1	3	3