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Estimation of modal parameters in structures using multiple time history records
Citation
Cara Cañas, Francisco Javier 
ORCID: https://orcid.org/0000-0002-1543-3066, Juan Ruiz, Jesús ORCID: https://orcid.org/0000-0003-2000-9013 and Alarcón Álvarez, Enrique ORCID: https://orcid.org/0000-0001-6538-7814
(2012).
Estimation of modal parameters in structures using multiple time history records.
In: "12th International Conference on Noise and Vibration Engineering, ISMA 2012", 17/09/2012-19/09/2012, Leuven, Belgium. ISBN 978-1-62276-825-7.
Description
| Title: | Estimation of modal parameters in structures using multiple time history records |
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| Author/s: |
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| Item Type: | Presentation at Congress or Conference (Article) |
| Event Title: | 12th International Conference on Noise and Vibration Engineering, ISMA 2012 |
| Event Dates: | 17/09/2012-19/09/2012 |
| Event Location: | Leuven, Belgium |
| Title of Book: | Proceedings of the International Conference on Noise and Vibration Engineering, ISMA 2012 |
| Date: | 2012 |
| ISBN: | 978-1-62276-825-7 |
| Volume: | 1 |
| Subjects: | |
| Faculty: | E.T.S.I. Industriales (UPM) |
| Department: | Ingeniería de Organización, Administración de Empresas y Estadística |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
In Operational Modal Analysis of structures we often have multiple time history records of vibrations measured at different time instants. This work presents a procedure for estimating the modal parameters of the structure processing all the records, that is, using all available information to obtain a single estimate of the modal parameters. The method uses Maximum Likelihood Estimation and the Expectation Maximization algorithm. Finally, it has been applied to various problems for both simulated and real structures and the results show the advantage of the joint analysis proposed.
More information
| Item ID: | 26316 |
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| DC Identifier: | https://oa.upm.es/26316/ |
| OAI Identifier: | oai:oa.upm.es:26316 |
| Official URL: | http://www.isma-isaac.be/past/conf/ |
| Deposited by: | Biblioteca ETSI Industriales |
| Deposited on: | 21 May 2014 12:43 |
| Last Modified: | 14 Feb 2023 11:27 |
