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

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-03780330 , version 1 (19-09-2022)

Identifiants

Citer

Aya Benhemou, Thomas Huguet, David Gibus, Aurélien Carré, 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. pp.136-140, ⟨10.1109/WPW54272.2022.9853996⟩. ⟨hal-03780330⟩
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