20 April 2016 An investigation on wireless sensors for asset management and health monitoring of civil structures
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Abstract
Application of wireless sensors and sensor networks for Structural Health Monitoring has been investigated for a long time. Key limitations for practical use are energy requirements, connectivity, and integration with existing systems. Current sensors and sensor networks mainly rely on wired connectivity for communication and external power source for energy. This paper presents a suite of wireless sensors that are low-cost, maintenance free, rugged, and have long service life. The majority of the sensors considered were designed by transforming existing, proven, and robust wired sensors into wireless units. In this study, the wireless sensors were tested in laboratory conditions for calibration and evaluation along with wired sensors. The experimental results were also compared to theoretical results. The tests mostly show satisfactory performance of the wireless units. This work is part of a broader Federal Highway Administration sponsored project intended to ultimately validate a wireless sensing system on a real, operating structure to account for all the uncertainties, environmental conditions and operational variability that are encountered in the field.
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Mustafa Furkan, Mustafa Furkan, Qiang Mao, Qiang Mao, Matteo Mazzotti, Matteo Mazzotti, John DeVitis, John DeVitis, S. Paul Sumitro, S. Paul Sumitro, Fred Faridazar, Fred Faridazar, A. Emin Aktan, A. Emin Aktan, Franklin Moon, Franklin Moon, Ivan Bartoli, Ivan Bartoli, "An investigation on wireless sensors for asset management and health monitoring of civil structures", Proc. SPIE 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016, 98033E (20 April 2016); doi: 10.1117/12.2218908; https://doi.org/10.1117/12.2218908
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