Structural Damage Identification Based on Rough Sets and Artificial Neural Network

Table 9

Attribute set 3 rules generation for damage bay.

Damage case	Natural frequency			Third order strain mode
	1	2	3	1	2	3	4	5	6	7	8	9	10	11	12
1	3	2	3	7	5	5	6	7	9	5	3	1	1	1	1	2
2	3	2	3	7	5	5	6	7	10	5	3	1	1	1	1	2
⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯	⋯
229	3	1	1	2	1	1	1	3	5	10	7	6	5	5	8	12
230	2	1	1	2	1	1	1	3	6	10	7	6	5	5	8	12