To accurately and efficiently detect the lane change performed due to roadwork, etc., of a vehicle approaching an alternating traffic section, to thereby perform appropriate traffic guidance.SOLUTION: When a vehicle C1 approaches an alternating traffic section while a traffic light 25A is green denoting an access permission state, an approaching vehicle detection sensor 29A detects this vehicle C1 and measures the speed v and distance x of the vehicle C1 (S1). When the vehicle C1 runs over the detection range of the approaching vehicle detection sensor 29A, a time T1 that is needed until the vehicle C1 passes through the approaching vehicle detection sensor 29A and a time T2 that is needed for passing through the alternating traffic section are calculated using the speed v and distance x and distance d of the alternating traffic section which are last measured (S2). The traffic light 25A is changed to red denoting a no-entry state after being kept lighted green until the T1 elapses (S3), and a traffic light 25B is changed to green after being kept lighted red until T1+T2 elapses (S4).SELECTED DRAWING: Figure 1

    【課題】道路工事等に伴う交互通行区間へ接近する車両の車線変更を正確かつ効率的に検出して適正な交通誘導を行うことを課題とする。【解決手段】信号機25Aが進入許可状態である青信号の場合に、車両C1が交互通行区間に接近してきたならば、接近車両検知センサ29Aは、この車両C1を検知して車両C1の速度v及び距離xを計測する(S1)。車両C1が接近車両検知センサ29Aの検知範囲からはみ出した場合には、直近に計測した速度v、距離x及び交互通行区間距離dを用いて、車両C1が接近車両検知センサ29Aを通過するまでに必要な時間T1及び交互通行区間を通過するために必要な時間T2を算出する(S2)。T1が経過するまで信号機25Aの青信号を維持した後に進入禁止状態である赤信号に切り替え(S3)、T1+T2経過するまで信号機25Bの赤信号を維持した後に青信号に切り替える(S4)。【選択図】図1


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    Titel :

    TRAFFIC GUIDANCE SYSTEM AND TRAFFIC GUIDANCE METHOD


    Weitere Titelangaben:

    交通誘導システム及び交通誘導方法


    Beteiligte:
    SATO SAWAKI (Autor:in) / SHIKAKURA KATSUYUKI (Autor:in)

    Erscheinungsdatum :

    2023-11-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE , Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl. / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G01S RADIO DIRECTION-FINDING , Funkpeilung



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