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Influence of wind disturbance on smart stiffness identification of building structure using limited micro-tremor observation
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 Title & Authors
Influence of wind disturbance on smart stiffness identification of building structure using limited micro-tremor observation
Koyama, Ryuji; Fujita, Kohei; Takewaki, Izuru;
 Abstract
While most of researches on system identification of building structures are aimed at finding modal parameters first and identifying the corresponding physical parameters by using the transformation in terms of transfer functions and cross spectra, etc., direct physical parameter system identification methods have been proposed recently. Due to the problem of signal/noise (SN) ratios, the previous methods are restricted mostly to earthquake records or forced vibration data. In this paper, a theoretical investigation is performed on the influence of wind disturbances on stiffness identification of building structures using micro-tremor at limited floors. It is concluded that the influence of wind disturbances on stiffness identification of building structures using micro-tremor at limited floors is restricted in case of using time-series data for low-rise buildings and does not cause serious problems.
 Keywords
system identification;micro-tremor;wind disturbance;physical parameter;limited observation;
 Language
English
 Cited by
1.
Direct Linear System Identification Method for Multistory Three-dimensional Building Structure with General Eccentricity, Frontiers in Built Environment, 2017, 3  crossref(new windwow)
2.
Advanced System Identification for High-Rise Building Using Shear-Bending Model, Frontiers in Built Environment, 2016, 2  crossref(new windwow)
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