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System identification approach application for evaluation of system properties degradation

Author(s): Trajković Marina | Bruhns Otto T. | Meyers Albert | Igić Tomislav | Mijalković Marina

Journal: Facta Universitatis - series : Architecture and Civil Engineering
ISSN 0354-4605

Volume: 3;
Issue: 1;
Start page: 9;
Date: 2004;
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In respect to the subspace identification method as one of the possible variants of inverse dynamic analyses, behavior of real structural systems with real load and real noise contaminated input/output data was investigated in this work. A useful and non-destructive dynamic parameters evaluation tool - vibration monitoring of the structure - is proposed. The report of original investigation on real models excited by an impulse load in laboratory is also presented. A special contribution is a software program for experiment monitoring and for determination of relevant mechanical characteristics as well as of the location of a possible structural damage.
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