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  4. Embedding numerical models into wireless sensor nodes for structural health monitoring
 
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Embedding numerical models into wireless sensor nodes for structural health monitoring

Publikationstyp
Conference Paper
Date Issued
2015-09
Sprache
English
Author(s)
Dragos, Kosmas  
Smarsly, Kay 
TORE-URI
http://hdl.handle.net/11420/13505
Volume
2
Start Page
327
End Page
334
Citation
10th International Workshop on Structural Health Monitoring: System Reliability for Verification and Implementation (IWSHM 2015)
Contribution to Conference
10th International Workshop on Structural Health Monitoring, IWSHM 2015  
Publisher DOI
10.12783/shm2015/43
Scopus ID
2-s2.0-84945571864
Publisher
DESTech Publications
In recent years, there has been a growing trend towards wireless sensing technologies in the field of structural health monitoring. However, the inherently limited resources of wireless sensor nodes pose significant constraints to wireless sensor networks in terms of power efficiency and autonomous operation. To this end, several embedded algorithms have been proposed, exploiting the collocation of computational power with sensing modules in an attempt to reduce the size of the data to be wirelessly communicated. This paper presents an embedded computing approach for decentralized condition assessment of civil engineering structures based on numerical models embedded into wireless sensor nodes. The proposed approach consists of two stages. First, a distributed numerical model of the "initial" structural state, comprising coupled partial models of the monitored structure, is generated on-board the wireless sensor nodes. Second, automated identification of structural changes is performed through a comparison of the initial state of the numerical model and a simulated damaged state. For validation, laboratory tests of the proposed approach are performed on a four-story frame structure.
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