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Proceedings Paper

Energy harvesting and wireless energy transmission for embedded sensor nodes
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Paper Abstract

In this paper, we present experimental investigations using energy harvesting and wireless energy transmission to operate embedded structural health monitoring sensor nodes. The goal of this study is to develop sensing systems that can be permanently embedded within a host structure without the need for an on-board power source. With this approach the required energy will be harvested from the ambient environment, or periodically delivered by a RF energy source to supplement conventional harvesting approaches. This approach combines several transducer types to harvest energy from multiple sources, providing a more robust solution that does not rely on a single energy source. Both piezoelectric and thermoelectric transducers are considered as energy harvesters to extract the ambient energy commonly available on civil structures such as bridges. Methods of increasing the efficiency, energy storage medium, target applications and the integrated use of energy harvesting sources with wireless energy transmission will be discussed.

Paper Details

Date Published: 7 April 2009
PDF: 12 pages
Proc. SPIE 7288, Active and Passive Smart Structures and Integrated Systems 2009, 728810 (7 April 2009); doi: 10.1117/12.815529
Show Author Affiliations
Kevin Farinholt, Los Alamos National Lab. (United States)
Stuart Taylor, Los Alamos National Lab. (United States)
Nathan Miller, Los Alamos National Lab. (United States)
Wilfredo Sifuentes, Los Alamos National Lab. (United States)
Erik Moro, Los Alamos National Lab. (United States)
Gyuhae Park, Los Alamos National Lab. (United States)
Charles Farrar, Los Alamos National Lab. (United States)
Eric Flynn, Univ. of California, San Diego (United States)
David Mascarenas, Univ. of California, San Diego (United States)
Michael Todd, Univ. of California, San Diego (United States)


Published in SPIE Proceedings Vol. 7288:
Active and Passive Smart Structures and Integrated Systems 2009
Mehdi Ahmadian; Mehrdad N. Ghasemi-Nejhad, Editor(s)

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