Landmines Of The Future Could Be Recharged Remotely By Drones
Kelsey D. Atherton Contributor
Remote sensors exist where it is tedious, dangerous, or difficult for humans to regularly reach them. Those same characteristics make maintenance difficult, by design, and tax already-strained batteries to the edges of their lifespan. What if, instead of sending humans to maintain remote sensors, drones could fly close by and then, through radio waves, remotely recharge those same remote sensors?
With such a system, sensors placed in far flung corners of everything from crop fields to battlefields could be maintained by regular contactless charging from visiting drones.
“In the proposed approach, a UAV transmits radio frequencies to each sensor, which has an antenna for detecting the signals,†according to a summary in IEEE Spectrum of a recent study. “The signals are then conveyed to a rectifier, which converts the signals into electricity. This power can be used to charge the sensor and/or activate it.â€
https://www.forbes.com/sites/kelseyatherton/2020/04/29/landmines-of-the-future-could-be-recharged-remotely-by-drones/#282fcefd40b0
