A Multimode Relayed Piezoelectric Cantilever for Effective Vibration Energy Harvesting
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概要
- 論文の詳細を見る
A piezoelectric cantilever with an eccentrically connected wire-mass relay is proposed for extensive energy harvesting from broadband vibration responses. The relay mass is chosen to be much greater than that of the cantilever. The vibration source is magnified by the relay as a bending-swinging-torsional excitation to drive the cantilever. Thus, multiple vibration modes of the cantilever are effectively employed to enhance energy harvesting. A prototype device was developed and characterized. The results show that the proposed structure can generate much more electricity over a broader bandwidth than conventional structures.
- 2013-05-25
著者
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Li Chuan
Department Of Clinical Pharmacology School Of Pharmacy Tokyo University Of Pharmacy And Life Science
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KWON Kwang-Ho
Department of Control and Instrumentation Engineering, Korea University
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Jeong Jaehwa
Department of Control and Instrumentation Engineering, Korea University, Sejong 339-700, Republic of Korea
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Hong Daewoong
Department of Control and Instrumentation Engineering, Korea University, Sejong 339-700, Republic of Korea
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