Inverse Analysis of Crack in Fixed-Fixed Structure by Neural Network with the Aid of Modal Analysis

Table 3

Comparison of results between neural network controller, numerical analysis, and experimental setup.

Slerial number	Δ𝑛𝑓1	Δ𝑛𝑓2	Δ𝑛𝑓3	Δ𝑚1	Δ𝑚2	Δ𝑚3	Neural network controller		Numerical		Experimental
							𝛿1	𝛼	𝛿1	𝛼	𝛿1	𝛼
1	0.9429	0.9534	0.9554	0.1354	0.1186	0.1579	0.195	0.071	0.194	0.067	0.197	0.072
2	0.9265	0.9457	0.9523	0.1984	0.1623	0.1961	0.414	0.079	0.411	0.077	0.413	0.082
3	0.9217	0.9525	0.9558	0.0907	0.0139	0.0387	0.526	0.156	0.516	0.156	0.546	0.154
4	0.9345	0.9555	0.9552	0.0691	−0.0412	0.0949	0.374	0.183	0.378	0.183	0.375	0.184
5	0.9433	0.9563	0.9583	0.0051	−0.4339	0.1286	0.218	0.233	0.222	0.231	0.221	0.235
6	0.9313	0.9541	0.9404	0.0973	0.0336	0.2052	0.531	0.281	0.534	0.277	0.524	0.28
7	0.9409	0.9456	0.9497	0.0363	0.1283	0.1997	0.432	0.397	0.433	0.396	0.429	0.397
8	0.9432	0.9396	0.9512	0.0449	0.1577	0.1961	0.475	0.415	0.477	0.415	0.475	0.415
9	0.9444	0.9192	0.9563	−0.016	0.1611	0.1982	0.408	0.493	0.409	0.491	0.408	0.494
10	0.9419	0.9277	0.9554	0.0189	0.2279	0.1753	0.516	0.523	0.521	0.524	0.514	0.522