Damage Localization and Quantification of Truss Structure Based on Electromechanical Impedance Technique and Neural Network

Table 1

Expected outputs and actual outputs of testing samples.

Rod 1	Damage states		2			4			8
	Output	Expected	0	0	1–3	0	0	3–5	0	0	7–9
		Actual	0.0004	0.0001	1.6398	0.0004	0.0007	3.8930	0.0023	0.0659	7.3636
Rod 2	Damage states		1			3			7
	Output	Expected	0	1	0–2	0	1	2–4	0	1	6–8
		Actual	0.0062	0.9990	1.0841	0.0061	0.9858	2.3948	0.0031	0.9771	6.5686
Rod 3	Damage states		2			7			9
	Output	Expected	1	0	1–3	1	0	6–8	1	0	8–10
		Actual	0.9977	0.0002	1.9314	0.9959	0.0085	8.0894	0.9956	0.0456	8.8745
Rod 4	Damage states		1			5			8
	Output	Expected	1	1	0–2	1	1	4–6	1	1	7–9
		Actual	0.9946	0.9975	1.6656	0.9960	0.9982	5.2482	0.9960	0.9173	8.5058