A Lightweight Device for Energy Harvesting from Power Lines with a Fixed-Wing

William Stewart, Dario Floreano, Emad Ebeid

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Abstrakt

Modern UAVs (Unmanned Aerial Vehicles) suffer
from restrictions in flight range and time due to battery
capacity limitations. One way to overcome these limitations
is to harvest energy from overhead power lines. A growing
body of scientific literature has documented the development of
energy harvesters on multirotor UAVs. However, to date, there
have been no implementations on a fixed-wing UAV. In this
paper we build upon a previously developed passive perching
mechanism for fixed-wing UAVs by incorporating into it a
split-core transformer for energy harvesting. We validate the
perching mechanism as well as battery recharging in a realistic
outdoor environment. We find that a minimum speed of 1.25m/s
is required to successfully perch on the power line. This is below
the stall speed of the UAV used in this project. Furthermore,
experiments verified that no damage was done to the power line
during perching, as the induced forces were equivalent to 1m/s
wind gusts. Characterization of the energy harvesting shows
that with a maximum of 3.3W of power from the harvester,
we can fully charge a 2200mAh battery in 2.2 hours. Weighing
only 420g, our device is the lightest energy harvester developed
to date.
OriginalsprogEngelsk
TitelProceedings of 2022 International Conference on Unmanned Aircraft Systems (ICUAS).
ForlagIEEE
StatusAccepteret/In press - 2022
Begivenhed2022 International Conference on Unmanned Aircraft Systems, ICUAS 2022 - Dubrovnik, Kroatien
Varighed: 21. jun. 202224. jun. 2022

Konference

Konference2022 International Conference on Unmanned Aircraft Systems, ICUAS 2022
Land/OmrådeKroatien
ByDubrovnik
Periode21/06/202224/06/2022

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