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The investigation of viscous and structural damping for piezoelectric energy harvesters using only time-domain voltage measurements

Abstract:

Knowing the nature of damping in piezoelectric energy harvesters can lead to proper damping and electromechanical models and designing highly efficient harvesters with less damping. As an attempt toward a better understanding of damping in piezoelectric energy harvesters, this paper presents experimental results for structural and viscous air damping coefficients extracted directly from voltage measurements under shock-induced tests. Free-vibration excitations are analyzed using the modified ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.apenergy.2020.116427

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
Keble College
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Applied Energy Journal website
Volume:
285
Article number:
116427
Publication date:
2021-01-12
Acceptance date:
2020-12-29
DOI:
EISSN:
1872-9118
ISSN:
0306-2619
Language:
English
Keywords:
Pubs id:
1158593
Local pid:
pubs:1158593
Deposit date:
2021-05-18

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