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research article

Wind Defiant Morphing Drones

Vourtsis, Charalampos  
•
Rochel, Victor Casas  
•
Mueller, Nathan Samuel  
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January 19, 2023
Advanced Intelligent Systems

Intense winds are a challenge for vertical take-off and landing drones with wings. In particular, in the hovering regime, wings are sensitive to wind currents that can be detrimental to their operational and energetic performances. Tail-sitters are particularly prone to those wind currents because their wings are perpendicular to the incoming wind during hovering. This wind generates a large amount of drag and can displace and destabilize the vehicle, possibly leading to catastrophic failures. Herein, our morphing strategy demonstrates in a custom-built 1.8 kg tail-sitter with morphing wings that can actively resist winds and leverage them to increase its aerodynamic efficiency. It is shown that adaptive wing morphing during hovering in adverse wind conditions can reduce normalized energy consumption up to 85%, increase attitude and positional stability, and leverage wind energy to increase its yaw angular rate up to 200% while decreasing motor saturation levels.

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Type
research article
DOI
10.1002/aisy.202200297
Web of Science ID

WOS:000915905400001

Author(s)
Vourtsis, Charalampos  
Rochel, Victor Casas  
Mueller, Nathan Samuel  
Stewart, William  
Floreano, Dario  
Date Issued

2023-01-19

Published in
Advanced Intelligent Systems
Volume

5

Issue

2200297

Subjects

Automation & Control Systems

•

Computer Science, Artificial Intelligence

•

Robotics

•

Automation & Control Systems

•

Computer Science

•

Robotics

•

drone

•

morphing

•

uav

•

vtol

•

wind

•

flight

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LIS  
FunderGrant Number

H2020

754354

FNS-NCCR

51NF40_185543

H2020

871479

Available on Infoscience
February 13, 2023
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/194745
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