In order to conduct helmet-mounted display (HMD) helicopter research flights in daylight, two versions of a simulated degraded visual environment (SDVE) were developed. SDVE-1 consisted of a tailored fire-retardant black cloth hood that is draped over the pilot's helmeted head and ventilated with a standard personal ventilator. While SDVE-1 successfully eliminated troublesome reflections, improved display readability, and was reasonably comfortable, pilots reported disturbing sensations of sensory deprivation and isolation. SDVE-2 combined colored filters on the hood and helicopter windscreen to allow the pilot a view of the cockpit interior while blocking light from the external environment. This system has been well accepted and has facilitated safe in- flight HMD research. Motion sickness remains an issue in HMD flight performance research.


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    Titel :

    Simulating the degraded visual environment: aeromedical assistance to an HMD research program


    Beteiligte:

    Kongress:

    Helmet- and Head-Mounted Displays IV ; 1999 ; Orlando,FL,USA


    Erschienen in:

    Erscheinungsdatum :

    12.07.1999





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Simulating the degraded visual environment: aeromedical assistance to an HMD research program

    Crowley, J. S. / Johnson, P. A. / Ledford, M. H. et al. | British Library Conference Proceedings | 1999




    AeroMedical journal

    GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1.1986/87 - 4.1989,1