Advanced signal processing for structural identification: experimental studies
2007
The aim of this study is to use observed data from a shaking table test to verify experimentally an SVR-based (support
vector regression) structural identification approach. The method has been developed in previous work and showed
excellent performance for large-scale structural health monitoring in numerical simulations. SVR is a promising data
processing method employing a novel
e-insensitive loss function and the 'Max-Margin' idea. Thus the SVR-based
approach identifies structural parameters accurately and robustly. In this method, a sub-structure technique is used thus
the SVR-based analysis is reduced in dimension. Experimental validation is necessary to verify the method's capability
to identify structural status from real data. For this purpose, a five-floor shear-building shaking table test has been
conducted and two cases, input excitations to the shaking table of the Kobe (NS 1995) earthquake and a Sine wave with
constant frequency and amplitude are investigated.
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