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Software‐based camera stabilisation on unmanned aircraft

Software‐based camera stabilisation on unmanned aircraft The concept of software‐based camera control and stabilisation and test results for two degree‐of‐freedom onboard cameras are presented in this paper. Contrary to the conventional gimballed observation cameras, the presented solution makes lightweight gimbal's construction possible. The unmanned aircraft state measurements and information of the target position are used in the computation of the desired angles of the camera rotation axes. The method has been tested using simulation technique. The results obtained in this paper show the need for fast enough camera actuation to stabilise image when aircraft attitude is disturbed by turbulence and attitude changes as a manoeuvre effect. The quantitative relationship between the parameters of camera actuators and achievable pointing accuracy are shown for exemplary flight condition simulation test. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Software‐based camera stabilisation on unmanned aircraft

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Publisher
Emerald Publishing
Copyright
Copyright © 2003 MCB UP Ltd. All rights reserved.
ISSN
0002-2667
DOI
10.1108/00022660310503048
Publisher site
See Article on Publisher Site

Abstract

The concept of software‐based camera control and stabilisation and test results for two degree‐of‐freedom onboard cameras are presented in this paper. Contrary to the conventional gimballed observation cameras, the presented solution makes lightweight gimbal's construction possible. The unmanned aircraft state measurements and information of the target position are used in the computation of the desired angles of the camera rotation axes. The method has been tested using simulation technique. The results obtained in this paper show the need for fast enough camera actuation to stabilise image when aircraft attitude is disturbed by turbulence and attitude changes as a manoeuvre effect. The quantitative relationship between the parameters of camera actuators and achievable pointing accuracy are shown for exemplary flight condition simulation test.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Dec 1, 2003

Keywords: Cameras; Control equipment; Flight control

References

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