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Online dual-rate decentralized structural identification for wireless sensor networks
Ke Huang; Ka-Veng Yuen
2019-09-12
Source PublicationStructural Control and Health Monitoring
ISSN1545-2255
Volume26Issue:11
Abstract

In this paper, we propose a novel online dual-rate decentralized structural identification algorithm for wireless sensor networks. In this method, at the sensor nodes, the raw response measurements collected at each sensor are processed separately to obtain the preliminary local structural identification results. These results will then be compressed before transmitting with a much lower rate than the sampling rate to the central station for data fusion. At the central station, Bayesian fusion is utilized to integrate the compressed local identification results transmitted from the sensor nodes in order to obtain reliable global estimation. As a result, the large identification uncertainty in the local identification results can be substantially reduced. In addition to data compression, two different rates for sampling and transmission are used to alleviate the data transmission burden so that online model updating can be realized for wireless sensor networks. Examples using a 50-story shear-frame structure, a bridge, and a space truss are presented to demonstrate the performance of the proposed method.

KeywordBayesian Fusion Decentralized Identification Dual Rate Extended Kalman Filter Structural Health Monitoring Wireless Sensor Networks
DOI10.1002/stc.2453
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaConstruction & Building Technology ; Engineering ; Instruments & Instrumentation
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Instruments & Instrumentation
WOS IDWOS:000485372700001
PublisherJOHN WILEY & SONS LTD, THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
Scopus ID2-s2.0-85074117996
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorKa-Veng Yuen
AffiliationDepartment of Civil and Environmental Engineering,University of Macau,Macao
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Ke Huang,Ka-Veng Yuen. Online dual-rate decentralized structural identification for wireless sensor networks[J]. Structural Control and Health Monitoring,2019,26(11).
APA Ke Huang,&Ka-Veng Yuen.(2019).Online dual-rate decentralized structural identification for wireless sensor networks.Structural Control and Health Monitoring,26(11).
MLA Ke Huang,et al."Online dual-rate decentralized structural identification for wireless sensor networks".Structural Control and Health Monitoring 26.11(2019).
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