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Virtual Reality and Eyetracking during Docking Training

Piechowski, Sarah Madeleine and Pustowalow, Willi and Arz, Michael and Rittweger, Jörn and Mulder, E. and Johannes, Bernd Wolfgang (2019) Virtual Reality and Eyetracking during Docking Training. 4thHuman Physiology Workshop, 2019-12-07, Cologne, Germany.

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Introduction: The ability to manually dock a spacecraft on a space station can be crucial for mission safety. The computer-based learning program “6df” is an abstract docking simulation that teaches and refreshes the needed skill of controlling six degrees of freedom. During the AGBRESA bed rest study additional technologies can be tested that might improve this learning process. Common two-dimensional (2D) presentation of the learning program “6df” for docking is compared to a stereoscopic three-dimensional (3D) presentation. Since the beginning of docking simulation at the end of the last century, it has been of interest to analyze the operator’s eye movements. Several eye tracking systems have been prepared for use in space but did not reach practicality. With proceeding commercialization, for example in the gaming industry, plug-and-play systems emerged that suggest easy and robust applicability of eye tracking. The study investigates if there is faster learning progress with 3D presentation compared to standard 2D presentation. Moreover, eye tracking is used to answer the question whether there is a relationship between docking quality and extent or timing of visual information processing regarding speed and distance of the spacecraft. Methods: Until now twelve subjects (33.33% female) participated in the ongoing study. Each of them completed 20 training sessions which lasted approximately 45 minutes and were conducted twice a week. The learning program is self-sufficient and adapts itself to the individual learning speed. Half of the participants were presented with an UNITY-based stereoscopic visualization of docking, whereas the other half used the standard version of the learning program “6df”. Learning progress was measured as the number of tasks needed to reach a target task in the middle of the learning range. In the 2D group an eye tracking device (Tobii C4) could be used to assess eye movements as well as pupil dilation. Results: Results showed no significantly faster learning progress while using 3D technology. Looking at the eye movements, there was a continuous decrease in pupil dilation while approaching the docking point. Various task types produced specific eye patterns and subjects differed in eye transition frequency. Furthermore there was a significant positive relationship between visual control of speed and distance to the docking point and the quality of the docking maneuver. Conclusions: Preliminary results suggest that the learning process does not benefit above average from stereoscopic presentation during early training stages. As the real maneuver has to be flown with a two dimensional view, one may favor common 2D training in comparison to the (yet) costlier 3D system. The analysis of eye movements during docking training proved itself to be feasible and an opportunity to gain additional insight into the learning process. There are first hints at the possible suitability of eye tracking for giving learners crucial feedback about productive information processing strategies. Further conclusions are expected by the end of the second AGBRESA campaign.

Item URL in elib:https://elib.dlr.de/185737/
Document Type:Conference or Workshop Item (Speech)
Title:Virtual Reality and Eyetracking during Docking Training
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Piechowski, Sarah MadeleineUNSPECIFIEDhttps://orcid.org/0000-0002-3790-376X150439928
Arz, MichaelInstitute of Aerospace Medicine, German Aerospace Center (DLR), Linder Hoehe, Cologne, Germanyhttps://orcid.org/0000-0002-6004-5257UNSPECIFIED
Rittweger, JörnUNSPECIFIEDhttps://orcid.org/0000-0002-2223-8963UNSPECIFIED
Mulder, E.German Aerospace Center (DLR), Institute of Aerospace Medicine, Space Physiology, Cologne, GermanyUNSPECIFIEDUNSPECIFIED
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Virtual Reality; Eyetracking; Docking
Event Title:4thHuman Physiology Workshop
Event Location:Cologne, Germany
Event Type:Workshop
Event Date:7 December 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Human performance under altered gravity conditions
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Muscle and Bone Metabolism
Institute of Aerospace Medicine > Sleep and Human Factors Research
Deposited By: Becker, Christine
Deposited On:11 Apr 2022 10:18
Last Modified:24 Apr 2024 20:47

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