Harsh battlefield environments impose stringent requirements on military land navigation systems. Self-contained inertial navigation systems are immune from electromagnetic interference but suffer from unbounded error growth. Externally referenced radio based systems such as the Global Positioning System (GPS) and the Position Location Positioning System (GPS) and the Position Location Reporting System (PLRS) do not suffer from unbounded error growth but are vulnerable to jamming or destruction of the transmitting device. They are also subject to terrain masking and, in the case of active systems, they make it easier for the enemy to locate the system. Hybridization of the self-contained inertial systems with GPS and/or PLRS offer the potential of incorporating the major advantages of each system while eliminating most of the deficiencies of the individual systems. This paper presents the results of a detailed simulation study to examine the performance of various combinations of GPS and PLRS with inertial sensors. Both strapdown and gimballed technology is investigated. The inertial sensors range in quality from high to medium to low corresponding roughly to a 1 nm/hr, 10 nm/hr or 100 nm/hr open loop (free-inertial) navigator respectively. The simulations contain a highly realistic vehicle and satellite profile generation, along with extensive real world errors controlled by a 24-state Kalman filter in both clear and jammed environments.


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    Titel :

    GPS/PLRS aided inertial land navigation system performance


    Weitere Titelangaben:

    Leistungsfaehigkeit eines GPS/PLRS gestuetzten Traegheits-Navigationssystems fuer den Gelaendeeinsatz


    Beteiligte:
    Bose, S.C. (Autor:in)


    Erscheinungsdatum :

    1986


    Format / Umfang :

    9 Seiten, 6 Bilder, 11 Tabellen, 16 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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