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Proceedings Paper

Piezoelectric-based power sources for harvesting energy from platforms with low-frequency vibration
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Paper Abstract

This paper presents a new class of highly efficient piezoelectric based energy harvesting power sources for mounting on platforms that vibrate at very low frequencies as compared to the frequencies at which energy can be efficiently harvested using piezoelectric elements . These energy harvesting power sources have a very simple design and do not require accurate tuning for each application to match the frequency of the platform vibration. The developed method of harvesting mechanical energy and converting it to electrical energy overcomes problems that are usually encountered with harvesting energy from low frequency vibration of various platforms such as ships and other platforms with similar vibratory (rocking or translational) motions. Omnitek Partners has designed several such energy harvesting power sources and is in the process of constructing prototypes for testing. The developed designs are modular and can be used to construct power sources for various power requirements. The amount of mechanical energy available for harvesting is obviously dependent on the frequency and amplitude of vibration of the platform, and the size and mass of the power source.

Paper Details

Date Published: 24 March 2006
PDF: 7 pages
Proc. SPIE 6171, Smart Structures and Materials 2006: Industrial and Commercial Applications of Smart Structures Technologies, 617101 (24 March 2006); doi: 10.1117/12.657464
Show Author Affiliations
J. Rastegar, Omnitek Partners, LLC (United States)
C. Pereira, U.S. Army Armament Research, Development and Engineering Ctr. (United States)
H.-L. Nguyen, U.S. Army Armament Research, Development and Engineering Ctr. (United States)


Published in SPIE Proceedings Vol. 6171:
Smart Structures and Materials 2006: Industrial and Commercial Applications of Smart Structures Technologies
Edward V. White, Editor(s)

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