To specify relative positional information between a vessel and a trailer with high accuracy.SOLUTION: A first GNSS reception part G1 is arranged in a trailer 200, and a second GNSS reception part G2 and an azimuth sensor 119 are arranged in a vessel 100. A CPU 102 registers a current position of a trailer 200 on the basis of a positioning signal S200 received by the first GNSS reception part G1 in the state where the trailer 200 is stationary, and generates correction information on the basis of the current position and the positioning signal S200 received by the first GNSS reception part G1 at real time. The CPU 102 specifies relative positional information on the basis of an absolute vessel azimuth D100, the correction information and a positioning signal S100 received by the second GNSS reception part G2 at a timing parallel to reception of the positional signal S200 used in calculation of the correction information.SELECTED DRAWING: Figure 5

    【課題】船舶とトレーラとの相対的位置情報を高い精度で特定する。【解決手段】トレーラ200には第1のGNSS受信部G1が配置され、船舶100には第2のGNSS受信部G2および方位センサ119が配置される。CPU102は、トレーラ200が静止した状態において第1のGNSS受信部G1が受信した測位信号S200に基づいてトレーラ200の現在位置を登録し、リアルタイムで、現在位置と第1のGNSS受信部G1が受信した測位信号S200とに基づいて補正情報を生成する。CPU102は、絶対船方位D100と、補正情報と、補正情報の算出に用いられた測位信号S200の受信と並行するタイミングで第2のGNSS受信部G2により受信された測位信号S100と、に基づいて、相対的位置情報を特定する。【選択図】図5


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    Titel :

    POSITION SPECIFYING SYSTEM, VESSEL AND TRAILER FOR VESSEL


    Weitere Titelangaben:

    位置特定システム、船舶および船舶用トレーラ


    Beteiligte:
    INOUE HIROSHI (Autor:in)

    Erscheinungsdatum :

    2023-02-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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