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Millimeter-wave data acquisition for terrain mapping, obstacle detection and dust penetrating capability testing

Schmerwitz, Sven and Doehler, Hans-Ullrich and Ellis, Kristopher D. and Jennings, Sion (2011) Millimeter-wave data acquisition for terrain mapping, obstacle detection and dust penetrating capability testing. In: Proceedings of SPIE, 8042B (31). display technologies and applications for defense security and avionics v and enhanced and synthetic vision 2011, 25.-29.04.2011, Orlando, USA. ISBN 978-0-81948-616-5. ISSN 0277-786X

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Abstract

The DLR project ALLFlight (Assisted Low Level Flight and Landing on Unprepared Landing Sites) is devoted to demonstrate the usage and evaluate the characteristics of different sensors for helicopter operations within degraded visual environments, such as brownout landing. In cooperation with the NRC flight tests on a Bell 205 were conducted to gather sensor data from a 35 GHz pencil beam radar for different designated use of millimeter-wave data. A set of three different focuses were tested – terrain mapping, obstacle detection and dust penetration. It is planed to evaluate the capability of mmw radar data in fusion with other sensors data for the usage as the only really dust-penetrating sensor for fighting the brownout problem. On the one hand in comparison with other sensors during normal conditions the radar delivers a much worse angular resolution on the other hand it might be the best sensor for remaining on the safe side during a brownout. In this paper the flight trials at NRC will be presented and a description of the radars general capability will be shown. The reader will have a look into the concept of multi-sensor-fusion as attempted in the ALLFlight project.

Document Type:Conference or Workshop Item (Speech)
Title:Millimeter-wave data acquisition for terrain mapping, obstacle detection and dust penetrating capability testing
Authors:
AuthorsInstitution or Email of Authors
Schmerwitz, Svensven.schmerwitz@dlr.de
Doehler, Hans-UllrichUNSPECIFIED
Ellis, Kristopher D.UNSPECIFIED
Jennings, SionUNSPECIFIED
Date:April 2011
Journal or Publication Title:Proceedings of SPIE
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:8042B
Series Name:Enhanced and Synthetic Vision
ISSN:0277-786X
ISBN:978-0-81948-616-5
Status:Published
Keywords:degraded vision, brownout, enhanced vision, millimeter-wave radar, flight test, terrain mapping, sensor fusion
Event Title:display technologies and applications for defense security and avionics v and enhanced and synthetic vision 2011
Event Location:Orlando, USA
Event Type:international Conference
Event Dates:25.-29.04.2011
Organizer:SPIE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:ATM and Operation
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Effiziente Flugführung und Flugbetrieb (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Control > Pilot Assistance
Deposited By: Sven Schmerwitz
Deposited On:21 Jul 2011 12:18
Last Modified:08 May 2014 23:28

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