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Proceedings Paper

Demonstration of a roving-host wireless sensor network for rapid assessment monitoring of structural health
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Paper Abstract

A major challenge impeding the deployment of wireless sensor networks for structural health monitoring (SHM) is developing means to supply power to the sensor nodes in a cost-effective manner. In this work an initial test of a roving-host wireless sensor network was performed on a bridge near Truth or Consequences, NM in August of 2007. The roving-host wireless sensor network features a radio controlled helicopter responsible for wirelessly delivering energy to sensor nodes on an "as-needed" basis. In addition, the helicopter also serves as a central data repository and processing center for the information collected by the sensor network. The sensor nodes used on the bridge were developed for measuring the peak displacement of the bridge, as well as measuring the preload of some of the bolted joints in the bridge. These sensors and sensor nodes were specifically designed to be able to operate from energy supplied wirelessly from the helicopter. The ultimate goal of this research is to ease the requirement for battery power supplies in wireless sensor networks.

Paper Details

Date Published: 11 April 2008
PDF: 11 pages
Proc. SPIE 6933, Smart Sensor Phenomena, Technology, Networks, and Systems 2008, 69330K (11 April 2008); doi: 10.1117/12.775592
Show Author Affiliations
David D. L. Mascarenas, Univ. of California, San Diego (United States)
Eric Flynn, Univ. of California, San Diego (United States)
Kaisen Lin, Univ. of California, San Diego (United States)
Kevin Farinholt, Los Alamos National Lab. (United States)
Gyuhae Park, Los Alamos National Lab. (United States)
Rajesh Gupta, Univ. of California, San Diego (United States)
Michael Todd, Univ. of California, San Diego (United States)
Charles Farrar, Los Alamos National Lab. (United States)


Published in SPIE Proceedings Vol. 6933:
Smart Sensor Phenomena, Technology, Networks, and Systems 2008
Wolfgang Ecke; Kara J. Peters; Norbert G. Meyendorf, Editor(s)

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