Scientists UT bring dynamics and mechanics robotic wing map




Researchers from the University of Twente have the full dynamics and mechanics of a flapping wing in a computer mounted to a robotic bird of prey fly more autonomously. The movement of the leaf was measured in a wind tunnel, and a vacuum chamber.

It is the first time that researchers all data related to the flapping of a wing are put into a computer model. In addition, they are made use of an eye-catching method to obtain the data. They measured the behavior of the wing of the robotic peregrine Robird not just in a wind tunnel, but also in a vacuum chamber of the European Space Agency in Noordwijk.

“In this vacuum chamber have no air and therefore no aerodynamic forces,” says researcher Geert Folkertsma. “The flapping wing to measure both in the wind tunnel and in the vacuum chamber, you can calculate exactly what the motion after a subtraction because of the aerodynamics.” The researchers used two cheap cameras in the mapping of the movements: a strobe delayed the movements visually, so that no expensive cameras have to be used.


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