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  • 1
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    Head-mounted displays and the measurement of performance in a virtual world (1989)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The problems associated with assessing visual performance during translation and rotation in a virtual world are presented. Two studies are summarized that highlight the difficulties in defining and measuring the optical and visual variables that pilots use during the control of a craft in simulated flight. The analysis suggests that gaze line-of-sight (LOS), based on craft orientation, should be used to describe the visual information available to an observer. Head-mounted displays that utilize a headtracker provide a technology that can be used for determining an observer's LOS and generating a virtual world display. Such head-mounted displays put observers in a graphical world that exists no matter where they look.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: Human Factors Society Annual Meeting; Oct 16, 1989 - Oct 20, 1989; Denver, CO; United States
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Dynamic perspective displays and the control of tilt-rotor aircraft in simulated flight (1988)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Two simulations were conducted to study the effect of dynamic perspective displays on performance measures collected during simulated flight. The first study was a pure altitude regulation task with simple first order plant dynamics. In the second simulation, pilots performed two basic rotary-wing flight tasks with dynamic perspective displays projected out-the-window (panoramic head up display) or on a panel mounted simulation of a sensor display. The data from the two studies, taken together, show that when such displays are used during flight, they will not degrade performance; and, under certain display configurations, they will minimize flight control errors.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: Annual Forum of the AHS; Jun 16, 1988 - Jun 18, 1988; Washington, DC; United States
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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