Novel Dynamic Wireless Power Transfer System Using In-Tire and In-Wheel Repeater Coil for Battery Electric Vehicles

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  • タイヤ内–ホイール内中継コイルを使用した電動車両向け走行中非接触給電システム
  • タイヤ ナイ-ホイール ナイ チュウケイ コイル オ シヨウ シタ デンドウ シャリョウ ムケ ソウコウ チュウ ヒセッショク キュウデン システム

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Abstract

<p>In order to improve the mileage per charge of battery electric vehicles (BEV), dynamic wireles power transfer systems are being developed. There are some problems such as is the wide gap between coils when mounted under the floor of a vehicle, and the effect of foreign objects between coils on power transmission. In-wheel coils, in which the coils are placed inside the wheel, have been proposed as a solution to these problems. However, they a plastic wheel such as CFRP and cannot reduce the gap between coils. In this paper, we propose a coil configuration in which the coils are placed inside the tire and the wheel. This configuration has the advantage of using a conventional aluminum to reduce the gap between coils. The effectiveness of this method is demonstrated via simulations and experiments.</p>

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