A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations

This work presents a novel bird-shaped broadband piezoelectric energy harvester based on a two-DOF crossed beam for low-frequency environmental vibrations. The harvester features a cantilever mounted on a double-hinged beam, whose rotating motions effectively diminish its natural frequencies. Numeri...

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Main Authors: Yu, Han, Zhang, Xiaofan, Shan, Xiaobiao, Hu, Liangxing, Zhang, Xingxu, Hou, Chengwei, Xie, Tao
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2023
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Online Access:https://hdl.handle.net/10356/169527
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1695272023-07-28T15:39:53Z A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations Yu, Han Zhang, Xiaofan Shan, Xiaobiao Hu, Liangxing Zhang, Xingxu Hou, Chengwei Xie, Tao School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Multimode Rotating Motion This work presents a novel bird-shaped broadband piezoelectric energy harvester based on a two-DOF crossed beam for low-frequency environmental vibrations. The harvester features a cantilever mounted on a double-hinged beam, whose rotating motions effectively diminish its natural frequencies. Numerical simulation based on the finite element method is conducted to analyze the modal shapes and the harmonic response of the proposed harvester. Prototypes are fabricated and experiments are carried out by a testing system, whose results indicate a good agreement with the simulation. The multi-frequency energy harvesting is achieved at the first-, second-, and fifth-order resonances. In particular, the proposed harvester demonstrates the remarkable output characteristics of 9.53 mW and 1.83 mW at frequencies as low as 19.23 HZ and 45.38 Hz, which are superior to the majority of existing energy harvesters. Besides, the influences of key parameters on the harvesting performance are experimentally investigated to optimize the environmental adaptability of the harvester. This work provides a new perspective for efficiently harvesting the low-frequency vibration energy, which can be utilized for supplying power to electronic devices. Published version This research was funded by the National Natural Science Foundation of China, grant number 51875116. 2023-07-24T02:50:38Z 2023-07-24T02:50:38Z 2023 Journal Article Yu, H., Zhang, X., Shan, X., Hu, L., Zhang, X., Hou, C. & Xie, T. (2023). A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations. Micromachines, 14(2), 421-. https://dx.doi.org/10.3390/mi14020421 2072-666X https://hdl.handle.net/10356/169527 10.3390/mi14020421 36838122 2-s2.0-85149058682 2 14 421 en Micromachines © 2023 by the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Electrical and electronic engineering
Multimode
Rotating Motion
spellingShingle Engineering::Electrical and electronic engineering
Multimode
Rotating Motion
Yu, Han
Zhang, Xiaofan
Shan, Xiaobiao
Hu, Liangxing
Zhang, Xingxu
Hou, Chengwei
Xie, Tao
A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
description This work presents a novel bird-shaped broadband piezoelectric energy harvester based on a two-DOF crossed beam for low-frequency environmental vibrations. The harvester features a cantilever mounted on a double-hinged beam, whose rotating motions effectively diminish its natural frequencies. Numerical simulation based on the finite element method is conducted to analyze the modal shapes and the harmonic response of the proposed harvester. Prototypes are fabricated and experiments are carried out by a testing system, whose results indicate a good agreement with the simulation. The multi-frequency energy harvesting is achieved at the first-, second-, and fifth-order resonances. In particular, the proposed harvester demonstrates the remarkable output characteristics of 9.53 mW and 1.83 mW at frequencies as low as 19.23 HZ and 45.38 Hz, which are superior to the majority of existing energy harvesters. Besides, the influences of key parameters on the harvesting performance are experimentally investigated to optimize the environmental adaptability of the harvester. This work provides a new perspective for efficiently harvesting the low-frequency vibration energy, which can be utilized for supplying power to electronic devices.
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Yu, Han
Zhang, Xiaofan
Shan, Xiaobiao
Hu, Liangxing
Zhang, Xingxu
Hou, Chengwei
Xie, Tao
format Article
author Yu, Han
Zhang, Xiaofan
Shan, Xiaobiao
Hu, Liangxing
Zhang, Xingxu
Hou, Chengwei
Xie, Tao
author_sort Yu, Han
title A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
title_short A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
title_full A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
title_fullStr A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
title_full_unstemmed A novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
title_sort novel bird-shape broadband piezoelectric energy harvester for low frequency vibrations
publishDate 2023
url https://hdl.handle.net/10356/169527
_version_ 1773551409700012032