Power Consideration in a Piezoelectric Generator

Tardiveau Rémi 1 Frédéric Giraud 2, 1 Amanci Adrian 3 Dawson Francis 4 Christophe Giraud-Audine 1 Michel Amberg 1, 2 Betty Lemaire-Semail 1, 2
1 L2EP - Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697
2 MINT2 - Méthodes et outils pour l'Interaction à gestes
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
3 Department of computer and electrical engineering
4 ECE - Department of Electrical and Computer Engineering [TORONTO]
Abstract : A piezoelectric generator converts mechanical energy into electricity and is used in energy harvesting devices. In this paper, synchronisation conditions in regard to the excitation vibration are studied. We show that a phase shift of ninety degrees between the vibration excitation and the bender's displacement provides the maximum power from the mechanical excitation. However, the piezoelectric material is prone to power losses; hence the bender's displacement amplitude is optimised in order to increase the amount of power which is converted into electricity. In the paper, we use active energy harvesting to control the power flow, and all the results are achieved at a frequency of 200 Hz which is well below the generator's resonant frequency.
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https://hal.inria.fr/hal-00924639
Contributeur : Frédéric Giraud <>
Soumis le : mardi 7 janvier 2014 - 09:22:15
Dernière modification le : mardi 3 juillet 2018 - 11:39:27

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Tardiveau Rémi, Frédéric Giraud, Amanci Adrian, Dawson Francis, Christophe Giraud-Audine, et al.. Power Consideration in a Piezoelectric Generator. Smart Materials Research, Hindawi, 2013, 2013, 〈http://www.hindawi.com/journals/smr/2013/410567/〉. 〈10.1155/2013/410567〉. 〈hal-00924639〉

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