High temperature performance of a piezoelectric micro cantilever for vibration energy harvesting

Emmanuelle Arroyo, Yu Jia, Sijun Du, Shao-Tuan Chen, Ashwin A Seshia

Research output: Contribution to journalConference article

Abstract

Energy harvesters withstanding high temperatures could provide potentially unlimited energy to sensor nodes placed in harsh environments, where manual maintenance is difficult and costly. Experimental results on a classical microcantilever show a 67% drop of the maximum power when the temperature is increased up to 160 °C. This decrease is investigated using a lumped-parameters model which takes into account variations in material parameters with temperature, damping increase and thermal stresses induced by mismatched thermal coefficients in a composite cantilever. The model allows a description of the maximum power evolution as a function of temperature and input acceleration. Simulation results further show that an increase in damping and the apparition of thermal stresses are contributing to the power drop at 59% and 13% respectively.
Original languageEnglish
Article number012001
JournalJournal of Physics: Conference Series
Volume773
Issue number1
DOIs
Publication statusPublished - 6 Dec 2016

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thermal stresses
vibration
damping
maintenance
temperature
energy
composite materials
sensors
coefficients
simulation

Bibliographical note

Content from this work may be used under the terms of theCreative Commons Attribution 3.0 licence. Any further distribution
of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Published under licence by IOP Publishing Ltd

Cite this

Arroyo, Emmanuelle ; Jia, Yu ; Du, Sijun ; Chen, Shao-Tuan ; Seshia, Ashwin A. / High temperature performance of a piezoelectric micro cantilever for vibration energy harvesting. In: Journal of Physics: Conference Series. 2016 ; Vol. 773, No. 1.
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abstract = "Energy harvesters withstanding high temperatures could provide potentially unlimited energy to sensor nodes placed in harsh environments, where manual maintenance is difficult and costly. Experimental results on a classical microcantilever show a 67{\%} drop of the maximum power when the temperature is increased up to 160 °C. This decrease is investigated using a lumped-parameters model which takes into account variations in material parameters with temperature, damping increase and thermal stresses induced by mismatched thermal coefficients in a composite cantilever. The model allows a description of the maximum power evolution as a function of temperature and input acceleration. Simulation results further show that an increase in damping and the apparition of thermal stresses are contributing to the power drop at 59{\%} and 13{\%} respectively.",
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High temperature performance of a piezoelectric micro cantilever for vibration energy harvesting. / Arroyo, Emmanuelle; Jia, Yu; Du, Sijun; Chen, Shao-Tuan; Seshia, Ashwin A.

In: Journal of Physics: Conference Series, Vol. 773, No. 1, 012001, 06.12.2016.

Research output: Contribution to journalConference article

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AU - Arroyo, Emmanuelle

AU - Jia, Yu

AU - Du, Sijun

AU - Chen, Shao-Tuan

AU - Seshia, Ashwin A

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N2 - Energy harvesters withstanding high temperatures could provide potentially unlimited energy to sensor nodes placed in harsh environments, where manual maintenance is difficult and costly. Experimental results on a classical microcantilever show a 67% drop of the maximum power when the temperature is increased up to 160 °C. This decrease is investigated using a lumped-parameters model which takes into account variations in material parameters with temperature, damping increase and thermal stresses induced by mismatched thermal coefficients in a composite cantilever. The model allows a description of the maximum power evolution as a function of temperature and input acceleration. Simulation results further show that an increase in damping and the apparition of thermal stresses are contributing to the power drop at 59% and 13% respectively.

AB - Energy harvesters withstanding high temperatures could provide potentially unlimited energy to sensor nodes placed in harsh environments, where manual maintenance is difficult and costly. Experimental results on a classical microcantilever show a 67% drop of the maximum power when the temperature is increased up to 160 °C. This decrease is investigated using a lumped-parameters model which takes into account variations in material parameters with temperature, damping increase and thermal stresses induced by mismatched thermal coefficients in a composite cantilever. The model allows a description of the maximum power evolution as a function of temperature and input acceleration. Simulation results further show that an increase in damping and the apparition of thermal stresses are contributing to the power drop at 59% and 13% respectively.

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