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Enhanced low-frequency vibration energy harvesting with inertial amplifiers

Sondipon Adhikari, Arnab Banerjee

Journal of Intelligent Material Systems and Structures, Volume: 33, Issue: 6, Pages: 822 - 838

Swansea University Author: Sondipon Adhikari

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DOI (Published version): 10.1177/1045389x211032281

Abstract

Piezoelectric vibration energy harvesters have demonstrated the potential for sustainable energy generation from diverse ambient sources in the context of low-powered micro-scale systems. However, challenges remain concerning harvesting more power from low-frequency input excitations and broadband r...

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Published in: Journal of Intelligent Material Systems and Structures
ISSN: 1045-389X 1530-8138
Published: SAGE Publications 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa57676
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first_indexed 2021-08-23T09:42:17Z
last_indexed 2022-03-18T04:24:34Z
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spelling 2022-03-17T13:57:05.5988191 v2 57676 2021-08-23 Enhanced low-frequency vibration energy harvesting with inertial amplifiers 4ea84d67c4e414f5ccbd7593a40f04d3 Sondipon Adhikari Sondipon Adhikari true false 2021-08-23 FGSEN Piezoelectric vibration energy harvesters have demonstrated the potential for sustainable energy generation from diverse ambient sources in the context of low-powered micro-scale systems. However, challenges remain concerning harvesting more power from low-frequency input excitations and broadband random excitations. To address this, here we propose a purely mechanical approach by employing inertial amplifiers with cantilever piezoelectric vibration energy harvesters. The proposed mechanism can achieve inertial amplification amounting to orders of magnitude under certain conditions. Harmonic, as well as broadband random excitations, are considered. Two types of harvesting circuits, namely, without and with an inductor, have been employed. We explicitly demonstrate how different parameters describing the inertial amplifiers should be optimally tuned to maximise harvested power under different types of excitations and circuit configurations. It is possible to harvest five times more power at a 50% lower frequency when the ambient excitation is harmonic. Under random broadband ambient excitations, it is possible to harvest 10 times more power with optimally selected parameters. Journal Article Journal of Intelligent Material Systems and Structures 33 6 822 838 SAGE Publications 1045-389X 1530-8138 Vibration energy harvesting, inertial amplifiers, optimisation, random excitation, cantilever harvesters 1 4 2022 2022-04-01 10.1177/1045389x211032281 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University UK-India Education and Research Initiative through grant number UKIERI/P1212; Inspire Faculty Award of Department of Science and Technology, Ministry of Science and Technology, Government of India, grant number DST/INSPIRE/04/2018/000052. 2022-03-17T13:57:05.5988191 2021-08-23T10:34:32.4705420 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Sondipon Adhikari 1 Arnab Banerjee 2 57676__21899__8c4c65fb1da14e368545682bee9364ae.pdf 57676.pdf 2021-12-16T14:35:21.7723991 Output 1992272 application/pdf Version of Record true ©The Author(s) 2021. This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License true eng https://creativecommons.org/licenses/by-nc/4.0/
title Enhanced low-frequency vibration energy harvesting with inertial amplifiers
spellingShingle Enhanced low-frequency vibration energy harvesting with inertial amplifiers
Sondipon Adhikari
title_short Enhanced low-frequency vibration energy harvesting with inertial amplifiers
title_full Enhanced low-frequency vibration energy harvesting with inertial amplifiers
title_fullStr Enhanced low-frequency vibration energy harvesting with inertial amplifiers
title_full_unstemmed Enhanced low-frequency vibration energy harvesting with inertial amplifiers
title_sort Enhanced low-frequency vibration energy harvesting with inertial amplifiers
author_id_str_mv 4ea84d67c4e414f5ccbd7593a40f04d3
author_id_fullname_str_mv 4ea84d67c4e414f5ccbd7593a40f04d3_***_Sondipon Adhikari
author Sondipon Adhikari
author2 Sondipon Adhikari
Arnab Banerjee
format Journal article
container_title Journal of Intelligent Material Systems and Structures
container_volume 33
container_issue 6
container_start_page 822
publishDate 2022
institution Swansea University
issn 1045-389X
1530-8138
doi_str_mv 10.1177/1045389x211032281
publisher SAGE Publications
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description Piezoelectric vibration energy harvesters have demonstrated the potential for sustainable energy generation from diverse ambient sources in the context of low-powered micro-scale systems. However, challenges remain concerning harvesting more power from low-frequency input excitations and broadband random excitations. To address this, here we propose a purely mechanical approach by employing inertial amplifiers with cantilever piezoelectric vibration energy harvesters. The proposed mechanism can achieve inertial amplification amounting to orders of magnitude under certain conditions. Harmonic, as well as broadband random excitations, are considered. Two types of harvesting circuits, namely, without and with an inductor, have been employed. We explicitly demonstrate how different parameters describing the inertial amplifiers should be optimally tuned to maximise harvested power under different types of excitations and circuit configurations. It is possible to harvest five times more power at a 50% lower frequency when the ambient excitation is harmonic. Under random broadband ambient excitations, it is possible to harvest 10 times more power with optimally selected parameters.
published_date 2022-04-01T04:13:35Z
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score 11.036706

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