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Synthetic vision on a head-worn display supporting helicopter offshore operations

Ernst, Johannes M. and Ebrecht, Lars and Erdmann, Stefan (2018) Synthetic vision on a head-worn display supporting helicopter offshore operations. In: Proceedings of SPIE. SPIE Press. SPIE Defense + Commercial Sensing 2018, 15. - 19. Apr. 2018, Orlando, Florida, USA.

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Abstract

Helicopters play an important role during both construction and operation of offshore wind farms. During offshore operations, helicopters fly most of the time over open water and often in degraded visual environment. Such scenarios provide very few usable outside visual cues for the crew to safely pilot the aircraft. For instance, hardly any landmarks exist for navigation and orientation is hindered by weather phenomena that reduce visibility and obscure the horizon. To overcome this problem, we are developing an external vision system which uses a non-see-through, head-worn display to show fused sensor and database information about the surroundings. This paper focusses on one aspect of our system: the computer-generated representation of relevant visual cues of the water surface. Our motivation is to develop a synthetic view of the surroundings that is superior to the real out-the-window view. The moving water surface does not provide fixed references for orientation and sometimes even produces wrong motion cues. Thus, we replace it by a more valuable, computer-generated clear view. Since pilots estimate wind direction and speed by checking the movement characteristics of the water surface, our synthetic display also integrates this information. This paper presents several options for a synthetic vision display supporting offshore operations, including texture, grid, and checkerboard symbologies. Further, it comprises results from simulator trials, where helicopter pilots performed final approaches and landings on an offshore platform supported by our display. The results will contribute to the advancement of our HMD-based virtual cockpit concept. Additionally, our findings are relevant to conventional, head-down synthetic vision displays visualizing offshore environments.

Item URL in elib:https://elib.dlr.de/114592/
Document Type:Conference or Workshop Item (Speech)
Title:Synthetic vision on a head-worn display supporting helicopter offshore operations
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ernst, Johannes M.johannes.ernst (at) dlr.dehttps://orcid.org/0000-0001-8238-3671
Ebrecht, Larslars.ebrecht (at) dlr.deUNSPECIFIED
Erdmann, Stefanstefan.erdmann (at) dlr.deUNSPECIFIED
Date:2018
Journal or Publication Title:Proceedings of SPIE
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Editors:
EditorsEmail
Sanders-Reed, JackUNSPECIFIED
Arthur, Jarvis J.UNSPECIFIED
Publisher:SPIE Press
Series Name:Proceedings of SPIE
Status:Published
Keywords:Virtual Cockpit, Synthetic Vision, Helicopter Offshore Operations, Helmet-Mounted Displays, Head-Worn Displays, Virtual Reality, Degraded Visual Environment, Human Machine Interface
Event Title:SPIE Defense + Commercial Sensing 2018
Event Location:Orlando, Florida, USA
Event Type:international Conference
Event Dates:15. - 19. Apr. 2018
Organizer:SPIE
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: Ernst, Johannes Maria
Deposited On:23 Oct 2017 11:16
Last Modified:24 Oct 2018 11:27

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