Communication Dans Un Congrès Année : 2021

Highly coupled hybrid transduction for lowfrequency electrodynamic wireless power transfer

Transduction hybride hautement couplée pour le transfert d'énergie sans fil électrodynamique à basse fréquence

Résumé

In this paper, we report a hybrid low-frequency near-field electrodynamic wireless power transfer (EWPT) system. The power receiver is designed as a vibrating cantilever, with two mechanical-to-electrical transducers: a piezoelectric transducer and an electrodynamic transducer. The use of a hybrid system increases the converted power for the same mechanical system when the quality factor is reduced under high oscillation. We propose an analytical model, combined with admittance measurements, to determine the physical parameters of the system. This model allows a good prediction of the performance (efficiency, resonance frequency and output power) as a function of the input power and the resistive loads connected to the two transducers of the transmitter.

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Dates et versions

hal-03760291 , version 1 (25-08-2022)

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Adrien Ameye, Nicolas Garraud, Pierre Gasnier, David Gibus, Adrien Badel. Highly coupled hybrid transduction for lowfrequency electrodynamic wireless power transfer. 2021 IEEE 20th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Dec 2021, Exeter, United Kingdom. ⟨10.1109/PowerMEMS54003.2021.9658332⟩. ⟨hal-03760291⟩
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