Attitude and heading determination using GPS interferometry is a well-understood concept. However, efforts have been concentrated mainly in the development of robust algorithms and applications for low dynamic, rigid platforms (e.g., shipboard). This paper presents results of what is believed by the authors to be the first realtime flight test of a GPS attitude and heading determination system. The system is installed in Ohio University's Douglas DC-3 research aircraft. Signals from four antennas are processed by an Ashtech 3DF 24-channel GPS receiver. Data from the receiver are sent to a microcomputer for storage and further computations. Attitude and heading data are sent to a second computer for display on a software generated artificial horizon. Demonstration of this technique proves its candidacy for augmentation of aircraft state estimation for flight control and navigation as well as for numerous other applications.


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    Title :

    GPS Interferometric Attitude and Heading Determination: Initial Flight Test Results


    Contributors:
    F. Vangraas (author) / M. Braasch (author)

    Publication date :

    1991


    Size :

    21 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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