Operational Modal Identification of Time-Varying Structures via a Vector Multistage Recursive Approach in Hybrid Time and Frequency Domain
Joint Authors
Zhou, Si-Da
Liu, Li
Yang, Wu
Ma, Zhi-Sai
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-01-14
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
Real-time estimation of modal parameters of time-varying structures can conduct an obvious contribution to some specific applications in structural dynamic area, such as health monitoring, damage detection, and vibration control; the recursive algorithm of modal parameter estimation supplies one of fundamentals for acquiring modal parameters in real-time.
This paper presents a vector multistage recursive method of modal parameter estimation for time-varying structures in hybrid time and frequency domain, including stages of recursive estimation of time-dependent power spectra, frozen-time modal parameter estimation, recursive modal validation, and continuous-time estimation of modal parameters.
An experimental example validates the proposed method finally.
American Psychological Association (APA)
Zhou, Si-Da& Liu, Li& Yang, Wu& Ma, Zhi-Sai. 2015. Operational Modal Identification of Time-Varying Structures via a Vector Multistage Recursive Approach in Hybrid Time and Frequency Domain. Shock and Vibration،Vol. 2015, no. 2015, pp.1-13.
https://search.emarefa.net/detail/BIM-1078103
Modern Language Association (MLA)
Zhou, Si-Da…[et al.]. Operational Modal Identification of Time-Varying Structures via a Vector Multistage Recursive Approach in Hybrid Time and Frequency Domain. Shock and Vibration No. 2015 (2015), pp.1-13.
https://search.emarefa.net/detail/BIM-1078103
American Medical Association (AMA)
Zhou, Si-Da& Liu, Li& Yang, Wu& Ma, Zhi-Sai. Operational Modal Identification of Time-Varying Structures via a Vector Multistage Recursive Approach in Hybrid Time and Frequency Domain. Shock and Vibration. 2015. Vol. 2015, no. 2015, pp.1-13.
https://search.emarefa.net/detail/BIM-1078103
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1078103