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RUBEŠ, O. BRABLC, M. HADAŠ, Z.
Original Title
Verified nonlinear model of piezoelectric energy harvester
Type
conference paper
Language
English
Original Abstract
Energy harvesting is an important topic today. Complex monitoring systems with many nodes need energy sources and vibration energy harvesters (VEHs) could be one type of them. Mathematical model of the VEH is necessary instrument to estimate possible harvested power. This paper deals with piezoelectric VEH in setting as cantilever beam with tip mass. Traditional linear model of this type of VEH is simple, however, it represents the VEH only in one operating point and in another one (another amplitude of excitation vibrations) it could return wrong results. The nonlinear model of VEH is introduced in this paper with its parameters estimation. The nonlinear model is compared with linear model and experiment to demonstrate difference between them in amplitude frequency characteristics. Finally, the average harvested power from harmonic vibrations is measured experimentally and compared with prediction from linear and nonlinear model.
Keywords
Energy Harvesting
Authors
RUBEŠ, O.; BRABLC, M.; HADAŠ, Z.
Released
10. 10. 2018
Publisher
EDP Sciences
Location
Lisbon, Portugal
ISBN
2261-236X
Periodical
MATEC Web of Conferences
Number
211
State
French Republic
Pages from
1
Pages to
6
Pages count
URL
https://www.matec-https://www.matec-conferences.org/articles/matecconf/abs/2018/70/matecconf_vetomacxiv2018_05005/matecconf_vetomacxiv2018_05005.html
Full text in the Digital Library
http://hdl.handle.net/11012/196411
BibTex
@inproceedings{BUT151683, author="Ondřej {Rubeš} and Martin {Brablc} and Zdeněk {Hadaš}", title="Verified nonlinear model of piezoelectric energy harvester", booktitle="The 14th International Conference on Vibration Engineering and Technology of Machinery (VETOMAC XIV)", year="2018", series="211", journal="MATEC Web of Conferences", number="211", pages="1--6", publisher="EDP Sciences", address="Lisbon, Portugal", doi="10.1051/matecconf/201821105005", issn="2261-236X", url="https://www.matec-https://www.matec-conferences.org/articles/matecconf/abs/2018/70/matecconf_vetomacxiv2018_05005/matecconf_vetomacxiv2018_05005.html" }