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Communication Dans Un Congrès Année : 2022

Design approach for post-buckled beams in bistable piezoelectric energy harvesters

Ludovic Charleux
Thomas Huguet
Camille Saint-Martin
Adrien Morel
David Gibus
Emile Roux

Résumé

This paper presents a model suited for the design of mechanically bistable beams used in Piezoelectric Energy Harvesters (PEHs). The proposed model accounts for the bending and compression of post-buckled beams used in the PEH. The effect of the beam's geometry on the generated power and frequency bandwidth is evaluated with a performance criterion. It is concluded that a low beam compression stiffness can have a negative impact on the performance of the PEH and that the bending stiffness solely implies a prestress on the piezoelectric transducer.
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Dates et versions

hal-03790554 , version 1 (28-09-2022)

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Aya Benhemou, Aurélien Carre, Ludovic Charleux, Thomas Huguet, Camille Saint-Martin, et al.. Design approach for post-buckled beams in bistable piezoelectric energy harvesters. IEEE Wireless Power Week (WPW) 2022, Jul 2022, Bordeaux, France. ⟨10.1109/WPW54272.2022.9853996⟩. ⟨hal-03790554⟩

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