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Visual-conformal display format for helicopter guidance

Doehler, Hans-Ullrich and Schmerwitz, Sven and Lueken, Thomas (2013) Visual-conformal display format for helicopter guidance. SPIE.

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Official URL: http://www.spie.org


Helicopter guidance in situations where natural vision is reduced is still a challenging task. Beside new available sensors which are able to “see” through darkness, fog and dust, display technology remains one of the key issues of pilot assistance systems. As long as we have pilots within aircraft cockpits, we have to keep them informed about the outside situation. “Situational awareness” of humans is mainly powered by their visual channel. Therefore display systems which are able to cross-fade seamless form natural vision to artificial computer vision and vice versa, are of greatest interest within this context. Helmet-mounted displays (HMD) have this property when they apply a head-tracker for measuring the pilot’s head orientation relative to the aircraft reference frame. Together with the aircraft’s position and orientation relative to the world’s reference frame, the on-board graphics computer can generate images which are perfectly aligned with the outside world. We call image elements which match the outside world, “visual-conformal”. Published display formats for helicopter guidance in degraded visual environment apply mostly 2D-symbologies which stay far behind from what is possible. We propose a perspective 3D-symbology for a head-tracked HMD which shows as much as possible visual-conformal elements. We implemented and tested our proposal within our fixed based cockpit simulator as well as in our flying helicopter simulator (FHS). Recently conducted simulation trials with experienced helicopter pilots give some first evaluation results of our proposal.

Item URL in elib:https://elib.dlr.de/89304/
Document Type:Editorship of Proceedings
Title:Visual-conformal display format for helicopter guidance
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Doehler, Hans-UllrichUNSPECIFIEDhttps://orcid.org/0000-0002-5218-3887UNSPECIFIED
Schmerwitz, SvenUNSPECIFIEDhttps://orcid.org/0000-0002-9194-8838UNSPECIFIED
Date:5 May 2013
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:helicopter guidance, helicopter landing, brownout, whiteout, DVE, HMD, helmet mounted display, visual-conformal display, pilot assistance
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Innovative Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Guidance > Pilot Assistance
Deposited By: Döhler, Dr.-Ing. Hans-Ullrich
Deposited On:28 May 2014 15:42
Last Modified:24 Apr 2024 19:55

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