In this paper, a new methodology is proposed to identify modal and physical parame- ters of linear non-viscously damped multi-degree-of-freedom systems using recorded time-histories of their dynamic response. The methodology is based on the identification of a symmetric state-space realization of the system, whose modal parameters (spectral and modal matrices) are subsequently used to determine the physical parameters (mass, stiffness and damping matrices) of the model in second-order form.
State-space identification of non-viscously damped systems / Reggio, Anna; DE ANGELIS, Maurizio. - STAMPA. - (2013). (Intervento presentato al convegno AIMETA 2013, XXI Congresso Associazione Italiana di Meccanica Teorica e Applicata tenutosi a Torino, Italia nel 17-20 settembre 2013).
State-space identification of non-viscously damped systems
REGGIO, ANNA;DE ANGELIS, Maurizio
2013
Abstract
In this paper, a new methodology is proposed to identify modal and physical parame- ters of linear non-viscously damped multi-degree-of-freedom systems using recorded time-histories of their dynamic response. The methodology is based on the identification of a symmetric state-space realization of the system, whose modal parameters (spectral and modal matrices) are subsequently used to determine the physical parameters (mass, stiffness and damping matrices) of the model in second-order form.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
