Guidance and Control of an Autonomous Soaring Uav

Name: Guidance and Control of an Autonomous Soaring Uav
SKU: 23794062
Price: 51.00 NZD
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Description

Thermals caused by convection in the lower atmosphere are commonly used by birds and glider pilots to extend flight duration, increase cross-country speed, improve range, or simply to conserve energy. Uninhabited Aerial Vehicles (UAVs) can also increase performance and reduce energy consumption by exploiting atmospheric convection. An autonomous soaring research project was conducted at the NASA Dryden Flight Research Center to evaluate the concept through flight test of an electric-powered motorglider with a wingspan of 4.27 m (14 ft). The UAV's commercial autopilot software was modified to include outer-loop soaring guidance and control. The aircraft total energy state was used to detect and soar within thermals. Estimated thermal size and position were used to calculate guidance commands for soaring flight. Results from a total of 23 thermal encounters show good performance of the guidance and control algorithms to autonomously detect and exploit thermals. The UAV had an average climb of 172 m (567 ft) during these encounters.

Release date NZ

July 23rd, 2013

Author

Audience

General (US: Trade)

Contributor

Created by Nasa Technical Reports Server (Ntrs)

Country of Publication

United States

Illustrations

black & white illustrations

Imprint

Bibliogov

Pages

Publisher

Bibliogov

Dimensions

189x246x2

ISBN-13

9781289237189

Product ID

23794062

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