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  4. Bat-inspired integrally actuated membrane wings with leading-edge sensing
 
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Bat-inspired integrally actuated membrane wings with leading-edge sensing
File(s)
Buoso_2018_Bioinspir._Biomim._13_016013.pdf (4.63 MB)
Published version
Author(s)
Palacios, R
Buoso, S
Dickinson, B
Type
Journal Article
Abstract
This paper presents a numerical investigation on the closed-loop performance of a two-dimensional actuated membrane wing with fixed supports. The proposed concept mimics aerodynamic sensing and actuation mechanisms found in bat wings to achieve robust outdoor flight: firstly, variable membrane tension, which is obtained in bats through skeleton articulation, is introduced through a dielectric-elastomer construction; secondly, leading-edge airflow sensing is achieved with bioinspired hair-like sensors. Numerical results from a coupled aero-electromechanical model show that this configuration can allow for the tracking of prescribed lift coefficient signals in the presence of disturbances from atmospheric gusts. In particular, disturbance measurements through the hair sensor (a feedforward control strategy) are seen to provide substantial advantage with respect to a reactive (feedback) control strategy determining a reduction of the oscillations of the lift coefficient.
Date Issued
2017-12-28
Date Acceptance
2017-11-10
Citation
Bioinspiration and Biomimetics, 2017, 13
URI
http://hdl.handle.net/10044/1/53420
DOI
https://www.dx.doi.org/10.1088/1748-3190/aa9a7b
ISSN
1748-3182
Publisher
IOP Publishing
Journal / Book Title
Bioinspiration and Biomimetics
Volume
13
Copyright Statement
Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
License URL
http://creativecommons.org/licenses/by/4.0/
Sponsor
Engineering & Physical Science Research Council (EPSRC)
European Office Of Aerospace Research & Developmen
Grant Number
EP/J002070/1
FA8655-12-1-2046
Subjects
02 Physical Sciences
06 Biological Sciences
09 Engineering
Physiology
Publication Status
Published
Article Number
016013
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