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Developing an Obstacle Display for Helicopter Brownout Situations

Peinecke, Niklas and Knabl, Patrizia M. and Schmerwitz, Sven and Döhler, Hans-Ullrich (2012) Developing an Obstacle Display for Helicopter Brownout Situations. Proceedings of the SPIE, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications IX, 8360. SPIE Press.

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Project ALLFlight is DLR's initiative to diminish the problem of piloting helicopters in degraded visual conditions. The problem arises whenever dust or snow is stirred up during landing (brownout/whiteout), effectively blocking the crew's vision of the landing site. A possible solution comprises the use of sensors that are able to look through the dust cloud. As part of the project display symbologies are being developed to enable the pilot to make use of the rather abstract and noisy sensor data. In a first stage sensor data from very different sensors is fused. This step contains a classification of points into ground points and obstacle points. In a second step the result is augmented with ground data bases and depicted in a synthetic head-down display. Regarding the design, several variations in symbology are considered, including variations in color coding, continuous or non-continuous terrain displays and different obstacle representations. In this paper we present the basic techniques used for obstacle and ground separation. We choose a set of possibilities for the pilot display and detail the implementation. Furthermore, we present a pilot study, including human factors assessment with focus on usability and pilot acceptance.

Document Type:Article
Additional Information:referiertes Abstract
Title:Developing an Obstacle Display for Helicopter Brownout Situations
AuthorsInstitution or Email of Authors
Peinecke, Niklasniklas.peinecke@dlr.de
Knabl, Patrizia M.UNSPECIFIED
Schmerwitz, SvenUNSPECIFIED
Döhler, Hans-UllrichUNSPECIFIED
Date:April 2012
Journal or Publication Title:Proceedings of the SPIE, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications IX
Refereed publication:Yes
In ISI Web of Science:Yes
Publisher:SPIE Press
Keywords:brownout landing, situational awareness, obstacle symbology, sensor fusion, ground segmentation, obstacle segmentation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Smart Rotorcraft
Location: Braunschweig
Institutes and Institutions:Institute of Flight Control > Pilot Assistance
Deposited By: Dr.rer.nat. Niklas Peinecke
Deposited On:20 Jul 2012 08:02
Last Modified:27 Feb 2014 12:41

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