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  4. Quality assessment of dynamic response measurements using wireless sensor networks: Preliminary results
 
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Quality assessment of dynamic response measurements using wireless sensor networks: Preliminary results

Publikationstyp
Conference Paper
Date Issued
2014-07
Sprache
English
Author(s)
Chowdhury, Sharmistha  
Olney, Peter  
Deeb, Maher  
Zabel, Volkmar  
Smarsly, Kay  
TORE-URI
http://hdl.handle.net/11420/10025
Start Page
1529
End Page
1536
Citation
European Workshop on Structural Health Monitoring (EWSHM 2014)
Contribution to Conference
7th European Workshop on Structural Health Monitoring, (EWSHM 2014)  
Scopus ID
2-s2.0-84939446550
Vibration-based methods, using response measurements of civil engineering structures, are among the most popular methods for damage detection and system identification in structural health monitoring (SHM). To accurately obtain response measurements, wireless sensors networks are increasingly applied for collecting monitoring data from the observed structures. However, several types of noise usually contaminate the monitoring data leading to inaccurate or even incorrect diagnoses and prognoses of the dynamic properties of the structures. The main objective of this study is the elimination of such noise directly on the wireless sensor nodes in order to obtain high-quality monitoring data. Specifically, a wireless SHM system is designed and, for validation purposes, mounted on a tower-like laboratory test structure. The wireless sensors are provided with different embedded filters designed to improve the estimation of the system properties, which are calculated from the dynamic response measurements, i.e. from the monitoring data. In a final step, the quality of the dynamic response measurement is assessed.
Subjects
Data filtering
Digital signal processing
Structural health monitoring
Wireless sensors
DDC Class
000: Allgemeines, Wissenschaft
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