Helmet-mounted display (HMD) symbology for an automated Nap-of-the-Earth (NOE) guidance and control system is described. In the automated system, referred to as Pilot-Directed Guidance (PDG), pilot control inputs are interpreted as high-level velocity commands to an inner-loop guidance and control system that is responsible for obstacle detection and avoidance maneuvering. The success of the PDG concept has been shown to be highly dependent upon the intelligent use of inertially stabilized symbology to provide navigational information and velocity command feedback to the pilot. Individual symbol functions and drive laws are described along with the associated display difficulties encountered at NOE airspeeds and altitudes. The important findings of a fixed base simulation experiment, relating to the use of HMD symbology, are given along with pilot commentary and opinion.


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    Title :

    Helmet-mounted display symbology for automated nap-of-the-earth rotorcraft flight


    Contributors:

    Conference:

    Helmet- and Head-Mounted Displays and Symbology Design Requirements ; 1994 ; Orlando,FL,United States


    Published in:

    Publication date :

    1994-06-10





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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