Structural Damage Identification Based on Rough Sets and Artificial Neural Network

Table 6

Sections of each attribute set and condition attributes.

Damage case	Natural frequency			Strain mode
	1	2	3	1	2	3	4	5	6	7	8	9	10	11	12
Set 1, DB	3	2	5	5	6	5	7	7	5	5	7	7	5	6	5
Set 2, DB	3	2	5	9	7	8	9	10	11	11	9	9	8	7	9
Set 3, DB	3	2	5	8	7	7	8	10	10	10	10	8	7	7	8
Set 1, DP	4	10	10	3	5	2	4	4	4	4	4	4	2	5	3
Set 2, DP	4	10	10	1	2	4	4	3	5	5	3	4	4	2	1
Set 3, DP	4	10	10	1	1	1	5	4	3	3	4	5	1	1	1