This report presents the results of a study performed at the Department of Civil Environmental Engineering and Geodetic Science with application to ODOT's Aerial Engineering tasks. Specifically, the study was concerned with the integration of the Global Positioning System and an inertial navigation system (INS) for precise, continuous positioning of ODOT's aerial photogrammetric airplane. The study was based on testing a medium-to-high accuracy inertial navigation system (Litton's LN93) with GPS on board an aircraft. The objective was to demonstrate that such an integration can maintain the GPS accuracy of 2-3 cm over short intervals (few seconds) and to determine the capability using optimal estimation algorithms of maintaining accurate positions over somewhat longer periods. The motivation behind this study is the fact that GPS positioning may be interrupted because of a variety of reasons, from eletronic interference (causing cycle slips) to shadowing of the satellite signals (by aircraft wings and tail).


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    Titel :

    Continuous Aircraft Positioning Using GPS Aided by INS


    Beteiligte:
    C. Jekeli (Autor:in)

    Erscheinungsdatum :

    1998


    Format / Umfang :

    46 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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