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Identification of building damage using armax model: A parametric study
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-3070-5434
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Number of Authors: 2
2016 (English)In: Diagnostyka, ISSN 1641-6414, Vol. 17, no 3, 3-14 p.Article in journal (Refereed) Published
Abstract [en]

The Structural Identification approach is used to identify and localize the existence of damage for a steel frame. The black box linear parametric model called Auto-Regressive Moving Average with eXternal input (ARMAX) was utilized for the construction of the Frequency Response Functions, based on simulation results. The Singular Value Decomposition method was adopted to identify how many significant eigenvalues exist and plot the Complex Mode Indicator Function for the complete frame. Three damage indices were adopted to evaluate the state of damage in the frame. The results indicated that the ARMAX is a robust scheme for structural damage detection.

Place, publisher, year, edition, pages
2016. Vol. 17, no 3, 3-14 p.
National Category
Control Engineering Infrastructure Engineering
Research subject
Structural Engineering; Control Engineering
URN: urn:nbn:se:ltu:diva-60724OAI: diva2:1050114
Available from: 2016-11-28 Created: 2016-11-28 Last updated: 2016-11-28Bibliographically approved

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