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research article

Earwig-inspired foldable origami wing for micro air vehicle gliding

Ishiguro, Risa
•
Kawasetsu, Takumi
•
Motoori, Yutaro
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November 9, 2023
Frontiers In Robotics And Ai

Foldable wings serve as an effective solution for reducing the size of micro air vehicles (MAVs) during non-flight phases, without compromising the gliding capacity provided by the wing area. Among insects, earwigs exhibit the highest folding ratio in their wings. Inspired by the intricate folding mechanism in earwig hindwings, we aimed to develop artificial wings with similar high-folding ratios. By leveraging an origami hinge, which is a compliant mechanism, we successfully designed and prototyped wings capable of opening and folding in the wind, which helps reduce the surface area by a factor of seven. The experimental evaluation involved measuring the lift force generated by the wings under Reynolds numbers less than 2.2 x 104. When in the open position, our foldable wings demonstrated increased lift force proportional to higher wind speeds. Properties such as wind responsiveness, efficient folding ratios, and practical feasibility highlight the potential of these wings for diverse applications in MAVs.

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Type
research article
DOI
10.3389/frobt.2023.1255666
Web of Science ID

WOS:001104947600001

Author(s)
Ishiguro, Risa
•
Kawasetsu, Takumi
•
Motoori, Yutaro
•
Paik, Jamie  
•
Hosoda, Koh
Date Issued

2023-11-09

Publisher

Frontiers Media Sa

Published in
Frontiers In Robotics And Ai
Volume

10

Article Number

1255666

Subjects

Technology

•

Mav

•

Foldable Wing

•

Wind Tunnel Experiment

•

Origami

•

Insect-Inspired

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
RRL  
FunderGrant Number

Humanware Innovation Program, Osaka University

JST, the establishment of university fellowships towards the creation of science technology innovation

JPMJFS2125

Available on Infoscience
February 20, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/204396
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