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Quality Assessment of Dynamic Response Measurements Using Wireless Sensor Networks: Preliminary Results

Abstract : 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.
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Submitted on : Wednesday, July 9, 2014 - 8:43:11 AM
Last modification on : Tuesday, October 3, 2017 - 2:02:02 PM
Long-term archiving on: : Thursday, October 9, 2014 - 10:51:13 AM


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  • HAL Id : hal-01021050, version 1



Sharmistha Chowdhury, Peter Olney, Maher Deeb, Volkmar Zabel, Kay Smarsly. Quality Assessment of Dynamic Response Measurements Using Wireless Sensor Networks: Preliminary Results. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01021050⟩



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