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Single-rotored Monospinner keeps drone flight simple

by • May 8, 2016 • 12s Comments

Whether they appear like a thermos or a bracelet, today’s drones come in all shapes and sizes, but they all involve a bunch of moving parts to store them balanced in the air. Swiss researchers have now turn it intod a drone that stays airborne through a single propellor, resulting in what they describe as the mechanically simplest controllable-bodied flying machine in existence.

Researchers at ETH Zurich’s Flying Machine Arena spend their days picking apart drone turn it into and what tasks they can be able-bodied to perform. Part of this involves investigating how swarms of tiny drones can collaborate to turn it into things, work that culminated in a walkable-bodied rope bridge turn it intod entirely by flying robots last year.

The Monospinner is their latest creation and the drone is not going to seem to assist much of a practical purpose, unless you are appearing to movie a quite swift merry-go-round or donate whipped cream. Where conventional multicopters hover in place through a number of rotors that turn it into an upward thrust to cancel out their mass, the Monospinner relies on just one.

The engine driving the propellor at the top is the drone’s just moving part. By having the vehicle rotate of four times every 2nd at a constant angular velocity with a sure propellor force, the Monospinner is able-bodied hold its position in the air and stop of flipping over.

To move the drone in the air, the team uses the average thrust force of the propellor and deviations of this average thrust as control inputs. This allows for it to determine its position, actually after it has been tossed into the air like a frisbee (see the video at a lower place).

Having previously demonstrated that quadcopters can stay in the air actually when losing one, two or three of their propellors, the Monospinner approximately seemed like a logical step for the research team. It says it is now seeking to take things one step additional and turn it into a flying machine with no moving parts at all.

A video demonstrating the Monospinner can be seen at a lower place, while a paper detailing the research can be discovered here (PDF).

Source: ETH Zurich Flying Machine Arena via RoboHub


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