“…The process of identifying discrete-time models from multichannel excitation and response (or response only) measurements clearly falls within the aforementioned framework. Indeed, time-series analysis (Lu¨tkepohl, 2005;Box et al, 2008) and system identification (Ljung, 1999) have shown to be effective and valuable tools that retain crucial technological importance in the fields of data-driven modeling (Papakos and Fassois, 2003;Andersen, 1997;Koulocheris et al, 2008;Bayraktar et al, 2011), control (Landau andZito, 2006;De Korte, 2009) and structural health monitoring (Farrar and Worden, 2006;Farrar and Lieven, 2007;Dertimanis and Koulocheris, 2008;Morassi and Vestroni, 2008). This is why the implementation of corresponding techniques to structural systems (airplanes, bridges, oil platforms, vehicles, buildings, etc.…”