Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4729875
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Funding
- National Science Foundation [NSF-0547606, NSF-1131052]
- University of California Council on Research and Instructional Resources Faculty Research Grant
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1131052] Funding Source: National Science Foundation
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We propose a design for an energy harvester which has the potential to harvest vibrational energy over a broad range of ambient frequencies. The device uses two flexible ceramic piezoelectric elements arranged in a buckled configuration in the absence of vibrations. Experimental data show that this design allows enhanced harvesting of energy relative to a comparable cantilever design, both for periodic and stochastic vibrations. Moreover, the data suggest that this harvester has its peak energy generation when it responds with chaotic vibrations. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4729875]
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