This paper aims to investigate the response and characterize the effective frequency bandwidth of tri-stable vibratory energy harvesters. To achieve this goal, the method of multiple scales is utilized to construct analytical solutions describing the amplitude and stability of the intra- and inter-well dynamics of the harvester. Using these solutions, critical bifurcations in the parameter’s space are identified and used to define an effective frequency bandwidth of the harvester. A piezoelectric tri-stable energy harvester consisting of a uni-morph cantilever beam is considered. Stiffness nonlinearities are introduced into the harvesters design by applying a static magnetic field near the tip of the beam. Experimental studies performed on the harvester are presented to validate some of the theoretical findings.
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ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 21–24, 2016
Charlotte, North Carolina, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5018-3
PROCEEDINGS PAPER
Characterizing the Effective Bandwidth of Tri-Stable Energy Harvesters
Meghashyam Panyam,
Meghashyam Panyam
Clemson University, Clemson, SC
Search for other works by this author on:
Mohammed F. Daqaq
Mohammed F. Daqaq
Clemson University, Clemson, SC
Search for other works by this author on:
Meghashyam Panyam
Clemson University, Clemson, SC
Mohammed F. Daqaq
Clemson University, Clemson, SC
Paper No:
DETC2016-59929, V006T09A047; 10 pages
Published Online:
December 5, 2016
Citation
Panyam, M, & Daqaq, MF. "Characterizing the Effective Bandwidth of Tri-Stable Energy Harvesters." Proceedings of the ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6: 12th International Conference on Multibody Systems, Nonlinear Dynamics, and Control. Charlotte, North Carolina, USA. August 21–24, 2016. V006T09A047. ASME. https://doi.org/10.1115/DETC2016-59929
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