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The Transformer aircraft: a multimission unmanned aerial vehicle capable of symmetric and asymmetric span morphing

The Transformer aircraft: a multimission unmanned aerial vehicle capable of symmetric and asymmetric span morphing
The Transformer aircraft: a multimission unmanned aerial vehicle capable of symmetric and asymmetric span morphing

This paper presents the development and extensive testing of the Transformer aircraft, a multimission UAV capable of symmetric and asymmetric span morphing. The UAV utilises a novel actuation system based on a rack and pinion mechanism to achieve span extensions up to 50%. The Transformer can morph symmetrically to enhance flight performance and asymmetrically to provide roll control. Extensive mechanical testing followed by wind-tunnel testing in the RJ Mitchell Wind-tunnel at the University of Southampton were conducted to ensure structural integrity and assess the behaviour of the UAV. Finally, a series of flight-testing were performed and the flight mechanics aspects associated with both symmetric and asymmetric span morphing were investigated.

1270-9638
512-522
Ajaj, Rafic M.
ff8ce68d-2ba5-449e-83da-f2be54e6d409
Jankee, Girish K.
ae50bc76-d591-4ec8-9a60-421b2336f5a7
Ajaj, Rafic M.
ff8ce68d-2ba5-449e-83da-f2be54e6d409
Jankee, Girish K.
ae50bc76-d591-4ec8-9a60-421b2336f5a7

Ajaj, Rafic M. and Jankee, Girish K. (2018) The Transformer aircraft: a multimission unmanned aerial vehicle capable of symmetric and asymmetric span morphing. Aerospace Science and Technology, 76, 512-522. (doi:10.1016/j.ast.2018.02.022).

Record type: Article

Abstract

This paper presents the development and extensive testing of the Transformer aircraft, a multimission UAV capable of symmetric and asymmetric span morphing. The UAV utilises a novel actuation system based on a rack and pinion mechanism to achieve span extensions up to 50%. The Transformer can morph symmetrically to enhance flight performance and asymmetrically to provide roll control. Extensive mechanical testing followed by wind-tunnel testing in the RJ Mitchell Wind-tunnel at the University of Southampton were conducted to ensure structural integrity and assess the behaviour of the UAV. Finally, a series of flight-testing were performed and the flight mechanics aspects associated with both symmetric and asymmetric span morphing were investigated.

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The Transformer Aircraft A Multi-Mission Unmanned Aerial Vehicle - Accepted Manuscript
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More information

Accepted/In Press date: 17 February 2018
e-pub ahead of print date: 23 February 2018
Published date: 1 May 2018

Identifiers

Local EPrints ID: 421212
URI: https://eprints.soton.ac.uk/id/eprint/421212
ISSN: 1270-9638
PURE UUID: b61f1176-8c84-4496-96c6-fc9f070b6bd6
ORCID for Girish K. Jankee: ORCID iD orcid.org/0000-0002-9178-1070

Catalogue record

Date deposited: 24 May 2018 16:31
Last modified: 14 Mar 2019 05:10

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