Aerospace Control and Guidance Systems Committee


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MeetingACGS Committee Meeting 110 - Auburn, Maine - October 2012
8.1 Preliminary Results from the Small UAV Automatic Ground Collision Avoidance System (Auto GCAS) Demonstration
TitlePreliminary Results from the Small UAV Automatic Ground Collision Avoidance System (Auto GCAS) Demonstration ** Best Presentation Award **
PresenterMark Skoog
AffiliationNASA DFRC
Available Downloads*presentation
*Downloads are available to members who are logged in and either Active or attended this meeting.
AbstractThe Dryden Flight Research Center Small UAV (SUAV) Automatic Ground Collision Avoidance System (Auto GCAS) project demonstrated several important aviation firsts. This was the first time an Auto GCAS was flight tested on a UAV. For the first time, the software components of the Auto GCAS were hosted on a Smartphone. The Smartphone implementation had two configurations: 1) Smartphone installed in the Ground Control Station and 2) Smartphone installed on the test aircraft. Another important first was accomplished by the compression of Digital Elevation Model data for the entire world and successful hosting of that data on the Smartphone. The SUAV Auto GCAS design included a significant new capability to take advantage of terrain avoidance maneuvers turning to either side, in addition to straight over terrain. Lastly, the SUAV Auto GCAS design included innovative new terrain scanning methods. The multi-trajectory option combined with the new terrain scanning methods, demonstrated the ability to reduce nuisance potential while maintaining robust terrain avoidance. The SUAV Auto GCAS project demonstrated technologies capable of dramatically reducing the number of Controlled Flight Into Terrain mishaps across a wide range of aviation platforms including: UAVs of any size, General Aviation, helicopters, and model aircraft.

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