Feature: Aerospace
CDE drone
Protecting drones with EMI shielding and thermal interface materials By Parker Chomerics design and development engineers
D
rones are turning up in a growing number of applications – from agriculture and forestry, to monitoring power lines and
difficult-to-reach areas, and now home deliveries too. However, en route to their
destinations, drones fly past cellphone towers, buildings, antennas, high-voltage power lines and other obstacles, all of which emit electromagnetic interference (EMI) that can seriously affect drone performance and safety. Another major problem drones
experience is overheating, from all the electronics they carry and their powerful rotors.
24 May 2023
www.electronicsworld.co.uk
Meeting the EMI challenges requires highly eff ective shielding, to protect the drone’s internal electronics from malfunctioning. Also required is a thermal solution to remove the risk of the drone overheating
Meeting the EMI challenges Meeting the EMI challenges requires highly effective shielding, to protect the drone’s internal electronics from malfunctioning. Also required is a thermal solution to allow the drone to operate efficiently, by removing the risk of overheating. To be commercially successful,
drones must be mass-produced, so any shielding solution should use automated methods to keep assembly costs down. Drones also require solutions that reduce their weight, but also reliable connections from drone to controller. Weather resistance is another key characteristic, as drones must operate in all conditions, however tough.
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