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A Dynamic Identification of a Historical Building Using Accelerometers with Interface Modules and a Digital Synchronization Method

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Abstract:

This paper describes a study about the San Giacomo building for testing the dynamic identification applicability of a low-cost monitoring system, consisting of accelerometers and acquisition modules. The Stochastic Subspace Identification (SSI), a well-known technique of Operational Modal Analysis (OMA), is applied to the experimental data to evaluate the possibility of identifying the first frequencies of the building. Moreover, in order to solve the lack of synchronization of the monitoring system, an innovative method based on the phase delay of each signal is presented and used for digitally synchronizing the data.

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Periodical:

Key Engineering Materials (Volume 628)

Pages:

204-211

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.628.204

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Online since:

August 2014

Authors:

Luigi Spedicato, Iro Armeni, Nicola Ivan Giannoccaro*, Markos Avlonitis, Sozon Papavlasopoulos

Keywords:

Digital Filer Applications, Dynamic Identification, Operational Modal Analysis (OMA), Synchronization, Wireless Acquisition

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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References

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