Displacement-Tolerant Printed Spiral Resonator With Capacitive Compensated-Plates for Non-Radiative Wireless Energy Transfer - Université de Rennes Accéder directement au contenu
Article Dans Une Revue IEEE Access Année : 2019

Displacement-Tolerant Printed Spiral Resonator With Capacitive Compensated-Plates for Non-Radiative Wireless Energy Transfer

Lai Ly Pon
  • Fonction : Auteur
Chee Yen Leow
  • Fonction : Auteur
Mohsen Khalily
  • Fonction : Auteur correspondant

Résumé

A printed spiral resonator without external lumped elements is proposed. Instead of employing surface-mount device capacitors, the series-parallel capacitive plates are designed and etched on the same substrate to achieve simultaneous conjugate matching between a pair of symmetrical near-field coupled resonators. Simulations are conducted with the aid of CST Microwave Studio. The proposed design displayed satisfactory tolerance toward planar displacement at z-axis plane, lateral displacement at x and y-axis planes, as well as concurrent planar and lateral displacement. Positioned at perfect alignment with a transfer distance of 15 mm, the simulated and measured maximum power transfer efficiency achieved are 79.54% and 74.96%, respectively. The variation ratio for planar displacement acquired is 0.29% when receiving resonator is rotated from -180° till 180° with a step size of 15°. Under rotational angle from 0° till 180°, the measured average variation ratio for lateral displacement at xand y-axis up to 15 mm is 20.14%. The feasibility of sustaining power transfer efficiency under various offsets depicts the possibility of integrating the proposed simple design for low power wireless energy transfer applications, such as wireless charging for handheld devices in consumer electronics and implanted biomedical devices.
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hal-02321139 , version 1 (07-07-2020)

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Lai Ly Pon, Sharul Kamal Abdul Rahim, Chee Yen Leow, Mohamed Himdi, Mohsen Khalily. Displacement-Tolerant Printed Spiral Resonator With Capacitive Compensated-Plates for Non-Radiative Wireless Energy Transfer. IEEE Access, 2019, 7, pp.10037-10044. ⟨10.1109/ACCESS.2019.2891015⟩. ⟨hal-02321139⟩
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