According to one embodiment, a travel speed calculation device includes an acquisition unit, an inter-vehicle distance calculator, a relative speed calculator, a travel speed calculator, and a determination unit. The travel speed calculator calculates a travel speed of another vehicle based on a travel speed of a probe vehicle and a relative speed of another vehicle relative to the probe vehicle. The determination unit determines change of another vehicle based on a frame at a former time and a frame at a latter time, and inhibits the travel speed calculator from calculating a travel speed of another vehicle based on a relative speed in the case where another vehicle is changed. 9465951_1 (GHMatters) P106846.AU INTER-VEHICLE DISTANCE BE CALCULATED? NO INTER-VEIHICLE .NO DISTANCE BE CALCULATED BASED ON FRAME AT TIME? Is S504 NO INTER-VEHICLE DISTANCE SHORTER THAN PREDETERMINED DISTANCE? YES 5-S505 CALCULATE RELATIVE SPEED o 5-S506 CALCULATE DIFFERENCE BETWEEN RELATIVE SPEEDS YES DIFFERENCE VALUE BETWEEN RELATIVE SPEEDS EXCEE PREDETERMINED THRESHOLD? 5S502 NO 5S508 DETERMINE THAT ANOTHER VEHICLE IS DETERMINE THAT ANOTHER VEHICLE IS CHANGED NOT CHANGED < END


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    Titel :

    Travel speed calculation device and travel speed calculation method


    Beteiligte:
    SUZUKI YOSHIHIKO (Autor:in) / SATO TOSHIO (Autor:in) / UENO HIDEKI (Autor:in) / TAKAHASHI YUSUKE (Autor:in) / OOBA YOSHIKAZU (Autor:in) / AOKI YASUHIRO (Autor:in) / SAKAI HIROSHI (Autor:in)

    Erscheinungsdatum :

    2018-04-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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