Dual resonant structure for energy harvesting from random vibration sources at low frequency | Zendy

Shanshan Li | Zendy; Zhuoteng Peng | Zendy; Zhang Ai | Zendy; Fei Wang | Zendy

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Dual resonant structure for energy harvesting from random vibration sources at low frequency

Author(s) -

Shanshan Li,

Zhuoteng Peng,

Zhang Ai,

Fei Wang

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4941353

Subject(s) - energy harvesting , vibration , bandwidth (computing) , acoustics , physics , coupling (piping) , random vibration , range (aeronautics) , low frequency , energy (signal processing) , dual (grammatical number) , piezoelectricity , computer science , materials science , telecommunications , quantum mechanics , art , literature , composite material , astronomy , metallurgy

We introduce a design with dual resonant structure which can harvest energy from random vibration sources at low frequency range. The dual resonant structure consists of two spring-mass subsystems with different frequency responses, which exhibit strong coupling and broad bandwidth when the two masses collide with each other. Experiments with piezoelectric elements show that the energy harvesting device with dual resonant structure can generate higher power output than the sum of the two separate devices from random vibration sources

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