Comparison of CFBP, FFBP, and RBF Networks in the Field of Crack Detection

Table 4

Comparison of results among CFBP, RBF, and FFBP network.

Test points		First three natural frequencies (Hz)			CFBP		FFBP		RBF
rcd	Location	1st mode	2nd mode	3rd mode	rcd	Location	rcd	Location	rcd	Location
0.100	2.000	48.209	302.187	846.297	0.103	2.329	0.106	2.030	0.099	1.964
0.100	4.000	48.176	302.010	845.879	0.125	3.836	0.096	3.765	0.102	4.678
0.100	5.000	48.134	301.797	845.399	0.129	4.809	0.098	4.952	0.150	5.012
0.100	6.000	48.086	301.549	844.821	0.126	5.809	0.096	6.148	0.098	6.176
0.100	8.000	48.031	301.261	844.155	0.127	8.115	0.095	8.093	0.101	8.131
0.100	10.000	48.226	302.448	847.068	0.150	10.095	0.089	9.802	0.099	9.982
0.100	12.000	48.229	302.481	847.051	0.141	11.925	0.088	11.725	0.101	12.098
0.100	14.000	48.234	302.503	846.976	0.094	13.908	0.082	13.918	0.100	13.978
0.100	15.000	48.236	302.511	846.928	0.135	15.248	0.079	14.767	0.099	14.908