Vibration energy harvesting (EH) has been initiated from linear vibration principle, which utilizes a single frequency to obtain power. Unfortunately, linear energy harvesters do not yield appreciable power because of random nature of vibration in the real world. In order to overcome the weakness of linear harvesters and account for the arbitrary nature of vibration, multiple nonlinear vibration energy harvesters have been developed and studied. This paper presents parametric study on the design of nonlinear vibration EH device that utilizes snap-through mechanism to obtain high power from broadband excitation frequency. The device is comprised of a cantilever beam with curved shell implemented in the middle of the beam. When vibrating, the curved shell causes snap-through buckling and the nature of vibration becomes nonlinear. For practical purposes, a broadband frequency vibration input is used to optimize the energy harvester design. Design variables are assigned and optimized in order to create optimal design of the energy harvester, which maximizes power output. The presented design will have positive effect by providing means to practically capturing wasted vibration energy in consideration of its broadband frequency utilization.
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ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 17–20, 2014
Buffalo, New York, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-4641-4
PROCEEDINGS PAPER
Design of Nonlinear Energy Harvester With Snap-Through Buckling Mechanism Available to Purchase
Sumin Seong,
Sumin Seong
University of Maryland Baltimore County, Baltimore, MD
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Soobum Lee
Soobum Lee
University of Maryland Baltimore County, Baltimore, MD
Search for other works by this author on:
Sumin Seong
University of Maryland Baltimore County, Baltimore, MD
Soobum Lee
University of Maryland Baltimore County, Baltimore, MD
Paper No:
DETC2014-35326, V008T11A093; 5 pages
Published Online:
January 13, 2015
Citation
Seong, S, & Lee, S. "Design of Nonlinear Energy Harvester With Snap-Through Buckling Mechanism." Proceedings of the ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 8: 26th Conference on Mechanical Vibration and Noise. Buffalo, New York, USA. August 17–20, 2014. V008T11A093. ASME. https://doi.org/10.1115/DETC2014-35326
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