Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System

This research proposes an energy harvesting system that collects the downward airflow from a helicopter or a multi-axis unmanned rotary-wing aircraft and uses this wind force to drive the magnet to rotate, generating repulsive force, which causes the double elastic steel system to slap each other an...

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Autores principales:	Yi-Ren Wang, Ming-Ching Chu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	vibration energy harvesting system piezoelectric patch nonlinear vibration frequency response Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/f77fd6e455e8487685fd7f6cfdf88f72
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spelling	oai:doaj.org-article:f77fd6e455e8487685fd7f6cfdf88f722021-11-11T19:18:12ZAnalysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System10.3390/s212173641424-8220https://doaj.org/article/f77fd6e455e8487685fd7f6cfdf88f722021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7364https://doaj.org/toc/1424-8220This research proposes an energy harvesting system that collects the downward airflow from a helicopter or a multi-axis unmanned rotary-wing aircraft and uses this wind force to drive the magnet to rotate, generating repulsive force, which causes the double elastic steel system to slap each other and vibrate periodically in order to generate more electricity than the traditional energy harvesting system. The design concept of the vibration mechanism in this study is to allow the elastic steel carrying the magnet to slap another elastic steel carrying the piezoelectric patch to form a set of double elastic steel vibration energy harvesting (DES VEH) systems. The theoretical DES VEH mechanism of this research is composed of a pair of cantilever beams, with magnets attached to the free end of one beam, and PZT attached to the other beam. This study analyzes the single beam system first. The MOMS method is applied to analyze the frequency response of this nonlinear system theoretically, then combines the piezoelectric patch and the magneto-electric coupling device with this nonlinear elastic beam to analyze the benefits of the system’s converted electrical energy. In the theoretical study of the DES VEH system, the slapping force between the two elastic beams was considered as a concentrated load on each of the beams. Furthermore, both SES and DES VEH systems are studied and correlated. Finally, the experimental data and theoretical results are compared to verify the feasibility and correctness of the theory. It is proven that this DES VEH system can not only obtain the electric energy from the traditional SES VEH system but also obtain the extra electric energy of the steel vibration subjected to the slapping force, which generates optimal power to the greatest extent.Yi-Ren WangMing-Ching ChuMDPI AGarticlevibration energy harvesting systempiezoelectric patchnonlinear vibrationfrequency responseChemical technologyTP1-1185ENSensors, Vol 21, Iss 7364, p 7364 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	vibration energy harvesting system piezoelectric patch nonlinear vibration frequency response Chemical technology TP1-1185
spellingShingle	vibration energy harvesting system piezoelectric patch nonlinear vibration frequency response Chemical technology TP1-1185 Yi-Ren Wang Ming-Ching Chu Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System
description	This research proposes an energy harvesting system that collects the downward airflow from a helicopter or a multi-axis unmanned rotary-wing aircraft and uses this wind force to drive the magnet to rotate, generating repulsive force, which causes the double elastic steel system to slap each other and vibrate periodically in order to generate more electricity than the traditional energy harvesting system. The design concept of the vibration mechanism in this study is to allow the elastic steel carrying the magnet to slap another elastic steel carrying the piezoelectric patch to form a set of double elastic steel vibration energy harvesting (DES VEH) systems. The theoretical DES VEH mechanism of this research is composed of a pair of cantilever beams, with magnets attached to the free end of one beam, and PZT attached to the other beam. This study analyzes the single beam system first. The MOMS method is applied to analyze the frequency response of this nonlinear system theoretically, then combines the piezoelectric patch and the magneto-electric coupling device with this nonlinear elastic beam to analyze the benefits of the system’s converted electrical energy. In the theoretical study of the DES VEH system, the slapping force between the two elastic beams was considered as a concentrated load on each of the beams. Furthermore, both SES and DES VEH systems are studied and correlated. Finally, the experimental data and theoretical results are compared to verify the feasibility and correctness of the theory. It is proven that this DES VEH system can not only obtain the electric energy from the traditional SES VEH system but also obtain the extra electric energy of the steel vibration subjected to the slapping force, which generates optimal power to the greatest extent.
format	article
author	Yi-Ren Wang Ming-Ching Chu
author_facet	Yi-Ren Wang Ming-Ching Chu
author_sort	Yi-Ren Wang
title	Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System
title_short	Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System
title_full	Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System
title_fullStr	Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System
title_full_unstemmed	Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System
title_sort	analysis of double elastic steel wind driven magneto-electric vibration energy harvesting system
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f77fd6e455e8487685fd7f6cfdf88f72
work_keys_str_mv	AT yirenwang analysisofdoubleelasticsteelwinddrivenmagnetoelectricvibrationenergyharvestingsystem AT mingchingchu analysisofdoubleelasticsteelwinddrivenmagnetoelectricvibrationenergyharvestingsystem
_version_	1718431621298782208

Analysis of Double Elastic Steel Wind Driven Magneto-Electric Vibration Energy Harvesting System

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