Tri-directional piezoelectric energy harvester based on U-shaped beam-pendulum structure

This Note proposed a multi-direction piezoelectric energy harvester with a wide bandwidth and low working frequency, which is distinguished by the multiple working modes of the U-shaped beam and the high capacity of the pendulum in collecting arbitrary vibrations. The structural features are evaluat...

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Veröffentlicht in:	Review of scientific instruments 2021-01, Vol.92 (1), p.015002-015002
Hauptverfasser:	Mo, Shuting, Liu, Yan, Shang, Siyao, Wang, Hai, Yang, Keyuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Energy harvesting Finite element method Frequency ranges Pendulums Piezoelectricity Scientific apparatus & instruments
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container_title	Review of scientific instruments
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creator	Mo, Shuting Liu, Yan Shang, Siyao Wang, Hai Yang, Keyuan
description	This Note proposed a multi-direction piezoelectric energy harvester with a wide bandwidth and low working frequency, which is distinguished by the multiple working modes of the U-shaped beam and the high capacity of the pendulum in collecting arbitrary vibrations. The structural features are evaluated by finite element simulation and verified by experiments. At least three voltage peaks are generated in the frequency range of 0 Hz–25 Hz, and favorable harvesting consistency in different directions is achieved. The designed structure is adaptable in collecting energy from arbitrary vibration in ambient environments.
doi_str_mv	10.1063/5.0029787
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subjects	Energy harvesting Finite element method Frequency ranges Pendulums Piezoelectricity Scientific apparatus & instruments
title	Tri-directional piezoelectric energy harvester based on U-shaped beam-pendulum structure
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