This paper presents an experimental investigation on the bistable piezoelectric electromagnetic combined energy harvester based on vibration. The end of the piezoelectric cantilever beam has a tip magnet. The opposite of the piezoelectric cantilever beam has a coil, a spring and a magnet. The power generation efficiency and dynamic behaviors for three different kinds of the piezoelectric cantilever beam structures are experimentally studied, such as the conventional piezoelectric cantilever beam, the bistable piezoelectric cantilever beam introduced spring and magnet, and the bistable piezoelectric cantilever beam introduced spring, magnet and coil. Experimental results show that the introduction of the spring and magnet improves the maximum output voltage and broaden the effective frequency bandwidth. The power generation efficiency of the system is improved by adding the coil. Complicated nonlinear dynamic behaviors occur in the system, when the spring and the magnet are introduced. These nonlinear dynamic behaviors broaden the effective frequency bandwidth.
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ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 6–9, 2017
Cleveland, Ohio, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5820-2
PROCEEDINGS PAPER
The Experimental Study on a Bistable Piezoelectric-Electromagnetic Combined Vibration Energy Harvester
Ming Hui Yao,
Ming Hui Yao
Beijing University of Technology, Beijing, China
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Peng Fei Liu,
Peng Fei Liu
Beijing University of Technology, Beijing, China
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Wei Zhang,
Wei Zhang
Beijing University of Technology, Beijing, China
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Dong Xing Cao
Dong Xing Cao
Beijing University of Technology, Beijing, China
Search for other works by this author on:
Ming Hui Yao
Beijing University of Technology, Beijing, China
Peng Fei Liu
Beijing University of Technology, Beijing, China
Wei Zhang
Beijing University of Technology, Beijing, China
Dong Xing Cao
Beijing University of Technology, Beijing, China
Paper No:
DETC2017-67153, V006T10A051; 9 pages
Published Online:
November 3, 2017
Citation
Yao, MH, Liu, PF, Zhang, W, & Cao, DX. "The Experimental Study on a Bistable Piezoelectric-Electromagnetic Combined Vibration Energy Harvester." Proceedings of the ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6: 13th International Conference on Multibody Systems, Nonlinear Dynamics, and Control. Cleveland, Ohio, USA. August 6–9, 2017. V006T10A051. ASME. https://doi.org/10.1115/DETC2017-67153
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