increasing the robustness of electrodynamic wireless power receivers with hybrid transduction
| Description | |
| Date | 2022 |
| Date | |
| Auteurs | Ameye,- A | Decroix,- N | Garraud,- N | Gasnier,- P | Badel,- A | |
| Source | 2022 Wireless Power Week, WPW 2022 - Proceedings |
| Résumé | Electrodynamic wireless power transmission (EWPT) is a technique for transmitting power based on an electromechanical system operating at very low frequency. The power receiver converts a time-varying magnetic field first into mechanical power through the motion of a permanent magnet, and then into electrical power through an electromechanical transducer. One issue of electrodynamic WPT receivers is that they can be over-excited and break when subjected to strong magnetic fields. In this paper, we show that the simultaneous use of piezoelectric (PE) and electrodynamic (ED) transducers in a hybrid receiver allows taking advantage of both transductions to recover high levels of energy while limiting wear at higher magnetic field amplitudes. © 2022 IEEE. |
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