World : Spring-Loaded Drone Collapses Mid-Flight to Zip Through Windows

At ICRA in Montreal, researchers from UC Berkeley demonstrated a new design for a foldable drone, able to shrink itself by 50 percent in less than half a second thanks to spring-loaded arms controlled by the power of the drone’s own propellers. The drone changes shape without the use of any additional actuators: When low thrust forces are produced by the propellers, springs pull the arms downward into the folded mode. When high thrust forces are produced, the vehicle transitions into the unfolded mode. The big advantage of this design is that it adds a relatively small amount of complexity while still enabling dynamic folding that significantly reduces the size of the quadrotor, and in its unfolded state, it’s just as easy to control as a quadrotor that can’t fold.

 

Source : https://bit.ly/2GsY1Aq


This entry was posted in : Innovation

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