Flapping micro air vehicles inspired by swifts

Jul 02, 2011
This shows the wake of a swift in slow forward flight, the new design mimics these birds to improve MAV performance. Credit: William Thielicke

Scientists have designed a micro aircraft that will be able to flap, glide and hover like a bird.

Researchers from the Biomimetics-Innovation-Centre in Germany have been inspired by birds to produce a new versatile design of (MAV) that combines flapping wings, which allow it to fly at slow speeds and hover, with the ability to glide, ensuring good quality images from any on-board camera.

"In birds, the combination of demanding tasks like take-off, travelling , manoeuvring in confined areas and landing is daily practice," explains PhD researcher Mr. William Thielicke, who is presenting this work at the Society for Annual Conference in Glasgow on the 2nd of July.

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This shows the mechanism of the MAV and how it moves from three different views. Credit: William Thielicke

This was inspired by one bird in particular, the swift. "We know that swifts are very manoeuvrable and they can glide very efficiently. So we thought these birds would be a very good starting point for an energy efficient flapping-wing MAV," says Mr. Thielicke.

Micro air vehicles (MAVs) are small unmanned aircraft, often used for rescue or reconnaissance missions in areas where it would be dangerous or impractical for humans to go. Credit: William Thielicke

While fixed wing MAVs are energy efficient, their manoeuvrability is low. The new design would allow the flapping wing MAV to glide, improving energy efficiency and ensuring good images but when needed it can also slow its flight and in confined spaces.

"Although the models are not yet ready to be used, initial tests are positive and we hope that this design will combine the best of both worlds," says Mr. Thielicke.

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User comments : 2

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Telekinetic
2 / 5 (4) Jul 02, 2011
Humbling, isn't it, to appropriate engineering solutions from nature? I'd like to see this thing fly with the suppleness and grace of a live bird, but I'm not holding my breath. However, being self-serving here, I would like one day to lift this mechanical design and marry it to my computer-assisted hydraulic exo-skeleton and be the first to arrive at the party- through the window, that is.
Sonhouse
not rated yet Jul 02, 2011
That's not big problem, just use a big pumpkin chucker:)

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