Damage Localization of Cable-Supported Bridges Using Modal Frequency Data and Probabilistic Neural Network

Table 4

Summary of correct identification for Tsing Ma Bridge (TMB).

Pattern class number	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	IA ratio (%)
Testing sample number	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
Number of correct identification
ε = 100%	23	193	27	49	68	0	6	106	42	65	86	7	31	69	38	31	26.28
ε = 90%	38	121	25	50	75	36	45	143	85	36	81	36	54	99	134	56	34.81
ε = 80%	55	161	70	62	91	100	68	156	81	55	55	0	55	84	130	21	38.88
ε = 70%	31	189	104	62	31	28	49	157	95	63	113	118	92	57	88	60	41.78
ε = 60%	50	200	89	97	98	75	105	174	126	60	103	110	89	135	79	80	52.19
ε = 50%	92	183	118	115	86	67	79	192	119	123	133	146	113	128	129	110	60.41
ε = 40%	123	188	146	133	107	95	147	200	148	123	160	134	123	166	137	111	70.03
ε = 30%	164	199	181	164	139	143	183	200	169	170	180	186	180	193	125	111	83.97
ε = 20%	186	200	199	198	192	179	197	200	196	189	198	198	192	198	142	173	94.91
ε = 10%	200	200	200	200	200	200	200	200	200	200	200	200	200	200	181	197	99.31