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Playlist "GRIFFIN"
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https://youtu.be/lvHHKJyep2Y
GRIFFIN flight demonstration
Jun 11, 2019
Quote:
In this video the ornithopter developed inside the ERC Advanced Grant GRIFFIN project performs its first flight. This projects aims to develop a flapping wing system with manipulation and human interaction capabilities.
https://youtu.be/b-5cPXmaJeI
GRIFFIN summary February 2022
Mar 2, 2022
https://youtu.be/mhiFvNkjXnQ
GRIFFIN summary July 2022
Jul 21, 2022
https://youtu.be/wXFGgM5BWxc
Fully autonomous outdoor flight of flapping wing robot
Jul 29, 2022
https://youtu.be/kwuW8cfy-MI
Optimal elastic wing for flapping-wing robots through passive morphing
Nov 7, 2022
Quote:
Accepted for publication in IEE RA-L 2022.
Abstract—Flapping wing robots show promise as platforms for safe and efficient flight in near-human operations, thanks to their ability to agile maneuver or perch at a low Reynolds number. The growing trend in the automatization of these robots has to go hand in hand with an increase in the payload capacity. This work provides a new passive morphing wing prototype to increase the payload of this type of UAV. The prototype is based on a biased elastic joint and the holistic research also includes the modelling, simulation and optimization scheme, thus allowing to adapt the prototype for any flapping wing robot. This model has been validated through flight experiments on the available platform, and it has also been demonstrated that the morphing prototype can increase the lift of the robot under study by up to 16% in real flight while consumption is reduced by 10%.
C. Ruiz, J.Á. Acosta and A. Ollero
The authors would like to thank to Álvaro Satué Crespo for his help in the experimental setup.
The authors acknowledge support from the European Project GRIFFIN ERC Advanced Grant 2017 Action 788247, the Project HOMPOT grant P20 00597 under the framework PAIDI 2020 and C. Ruiz is supported also by VI PPIT-US from University of Seville.