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Piezoelectric energy harvesting from traffic-induced bridge vibrations

Abstract : This paper focuses on energy harvesting of traffic-induced vibrations in bridges. Using a pre-stressed concrete highway bridge as a case study, in situ vibration measurements are presented and analyzed. From those results, a prototype of cantilever piezoelectric harvester was designed, tested, and modeled. Even though the considered bridge vibrations are characterized by small amplitude and a low frequency (i.e. below 15 Hz), it is shown that mean power of the order of 0.03 mW can be produced, with a controlled voltage between 1.8 and 3.6 V. A simple model is proposed for the theoretical prediction of the delivered power in terms of traffic intensity. That model shows good agreement with the experimental results and leads to a simple but effective design rule for piezoelectric harvesters to be used on bridges.
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Soumis le : mercredi 11 septembre 2013 - 14:54:02
Dernière modification le : vendredi 17 juillet 2020 - 17:09:09
Archivage à long terme le : : jeudi 6 avril 2017 - 16:21:48

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  • HAL Id : hal-00859131, version 1

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Michaël Peigney, Dominique Siegert. Piezoelectric energy harvesting from traffic-induced bridge vibrations. Smart Materials and Structures, IOP Publishing, 2013, 22, pp.095019. ⟨hal-00859131⟩

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