Some new advanced driver assistance systems (ADAS) need on-the-lane vehicle positioning on accurate digital maps, but current applications of vehicle positioning do not justify the surcharge of very accurate equipment such as DGPS or high-cost inertial systems. For this reason, the performance of GPS in autonomous mode is analyzed. Although satisfactory results can be found, in some areas the GPS signal is lost or degraded so it is necessary to know the positioning error when using only inertial system data. A theoretical approach based on the uncertainty propagation law is used to estimate the upper limit of distance that can be travelled fulfilling the specifications of an assistance system. Test results support the conclusions of this approach. Finally, the combination of GPS and inertial systems is studied, with the conclusion that the theoretical approach is valid when inertial measurements are used right from the start of GPS signal degradation, without waiting for a complete loss of signal.


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    Titel :

    Can low-cost road vehicles positioning systems fulfil accuracy specifications of new ADAS applications?


    Weitere Titelangaben:

    Können kostengünstige Navigationsgeräte für Straßenfahrzeuge die Genauigkeitsspezifikationen der neuen ADAS-Anwendungen erfüllen?


    Beteiligte:
    Jimenez, F. (Autor:in) / Naranjo, J.E. (Autor:in) / Garcia, F. (Autor:in) / Armingol, J.M. (Autor:in)

    Erschienen in:

    The Journal of Navigation ; 64 , 2 ; 251-264


    Erscheinungsdatum :

    2011


    Format / Umfang :

    14 Seiten, 5 Bilder, 4 Tabellen, 42 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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