微型无人机的无线远场充电

S. Dunbar, F. Wenzl, Christopher Hack, Ronny Hafeza, Hasan Esfeer, F. Defay, S. Prothin, D. Bajon, Z. Popovic
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引用次数: 23

摘要

微型无人机的飞行时间受到其所能携带电池大小的限制。通常情况下,它们需要在大约10分钟后着陆并充电。本文提出了一种无人机在着陆时无需拆卸和更换电池的无线充电方法。该系统由安装在无人机机体上的轻型柔性整流天线阵列和微控制器驱动的电源管理电路组成,能够实现高效的电池充电。在这项工作中,选择5.9GHz的频率作为尺寸和整流器效率之间的折衷。无人机电池从远场边缘充电,发射功率约为5W。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wireless far-field charging of a micro-UAV
Flight time of micro-UAVs is limited by the battery size they can carry. Typically, they need to land and recharged after about 10 minutes. This paper presents a method for wirelessly charging the UAV battery when it lands, without the need to remove it and replace it. The system consists of a light-weight flexible rectenna array mounted on the UAV body and micro-controller driven power management circuit that enables efficient battery charging. In this work, a frequency of 5.9GHz is chosen as a compromise between size and rectifier efficiency. The UAV battery is charged from the edge of the far field with about 5W of transmit power.
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