A tiny little winged drone can soar with close to zero throttle, thanks to an impressive algorithm that responds to changing winds.
In keeping with that spirit, researchers in the Netherlands say that by mimicking the techniques of nature's flying creatures, they've designed a winged drone that can soar near effortlessly compared to its peers, almost never requiring powered flight to stay airborne., their birdlike drone, which weighed roughly 1.5 pounds, only needed to use its propellers 0.25 percent of the time it spent hovering in place in a wind tunnel, compared to the 38 percent it needed for normal flight.
You can see an earlier version of the experiment below, which impressively didn't use propellers at all.Imitating the complex mechanics of biology is rarely easy. Birds like the condor have flying down to an art, and one has been observed. In comparison, high quality consumer drones can fly for maybe a half hour at a time.
This intuitive edge was the point of focus for the researchers, who designed an autonomous algorithm to adjust the drone it controls to changing winds. The algorithm takes in its airborne environment through a suite of sensors, including one for airspeed, a GPS system, and a camera.
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