A Comparative Study of Regularization Method in Structure Load Identification
Joint Authors
Miao, Bingrong
Zhou, Feng
Jiang, Chuanying
Chen, Xiangyu
Yang, Shuwang
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-10-15
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
This study aims to correlate the vibration data with quantitative indicators of structural health by comparing and validating the feasibility of identifying unknown excitation forces using output vibration responses.
First, numerical analysis was performed to investigate the accuracy, convergence, and robustness of the load identification results for different noise levels, sensors numbers, and initial estimates of structural parameters.
Then, the laboratory beam structure experiments were conducted.
The results show that using the two identification methods Tikhonov (L-curve) and TSVD (GCV-curve) can successfully and accurately identify the different excitation forces of the external hammer.
The TSVD based on GCV method has more advantages than the Tikhonov based on L-curve method.
The proposed two kinds of load identification procedure based on vibration response can be applied to the safety performance evaluation of the railway track structure in future inverse problems research.
American Psychological Association (APA)
Miao, Bingrong& Zhou, Feng& Jiang, Chuanying& Chen, Xiangyu& Yang, Shuwang. 2018. A Comparative Study of Regularization Method in Structure Load Identification. Shock and Vibration،Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1215537
Modern Language Association (MLA)
Miao, Bingrong…[et al.]. A Comparative Study of Regularization Method in Structure Load Identification. Shock and Vibration No. 2018 (2018), pp.1-8.
https://search.emarefa.net/detail/BIM-1215537
American Medical Association (AMA)
Miao, Bingrong& Zhou, Feng& Jiang, Chuanying& Chen, Xiangyu& Yang, Shuwang. A Comparative Study of Regularization Method in Structure Load Identification. Shock and Vibration. 2018. Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1215537
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1215537