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Proceedings Paper

Hybrid power for wireless sensors
Author(s): Charles D. E. Lakeman; Patrick F. Fleig; Jenniffer L. DeGreeff; J. Timothy Trainor
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Paper Abstract

Wireless sensors provide solutions to otherwise intractable problems in homeland defense and security, building automation, industrial process monitoring and control, structural health monitoring in bridges, aircraft, buildings and ships and a host of applications where the cost or feasibility of deploying wired sensors is impractical. The biggest challenge facing wireless sensors is power. While advances in power management and battery technology may enable 3 to 5 year battery life, in many applications even this is not sufficient. Energy harvesting techniques show potential to provide long lasting power, but suffer from low power density values, meaning that they must be oversized to deliver power for short duty cycle communications functions. In this paper we demonstrate a solution that draws on the benefits of energy harvesting for long life, and microbatteries and microsupercapacitors to provide back-up and pulse power capabilities without the need for refueling or recharging.

Paper Details

Date Published: 2 May 2006
PDF: 8 pages
Proc. SPIE 6231, Unattended Ground, Sea, and Air Sensor Technologies and Applications VIII, 62310L (2 May 2006); doi: 10.1117/12.665577
Show Author Affiliations
Charles D. E. Lakeman, TPL, Inc. (United States)
Patrick F. Fleig, TPL, Inc. (United States)
Jenniffer L. DeGreeff, TPL, Inc. (United States)
J. Timothy Trainor, TPL, Inc. (United States)

Published in SPIE Proceedings Vol. 6231:
Unattended Ground, Sea, and Air Sensor Technologies and Applications VIII
Edward M. Carapezza, Editor(s)

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