6 April 2009 Energy harvesting and wireless energy transmission for embedded sensor nodes
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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.
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Kevin Farinholt, Kevin Farinholt, Stuart Taylor, Stuart Taylor, Nathan Miller, Nathan Miller, Wilfredo Sifuentes, Wilfredo Sifuentes, Erik Moro, Erik Moro, Gyuhae Park, Gyuhae Park, Charles Farrar, Charles Farrar, Eric Flynn, Eric Flynn, David Mascarenas, David Mascarenas, Michael Todd, Michael Todd, } "Energy harvesting and wireless energy transmission for embedded sensor nodes", Proc. SPIE 7288, Active and Passive Smart Structures and Integrated Systems 2009, 728810 (6 April 2009); doi: 10.1117/12.815529; https://doi.org/10.1117/12.815529
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