A marker detection device which detects a magnetic marker laid in a road by using a sensor unit in which a plurality of combinations of a magnetic sensor and a magnetic-field generation coil are arranged includes a storage part which stores characteristic information of each magnetic-field generation coil, an estimation part which estimates a magnetic differential value acting on the magnetic sensor due to a current differential value acting on the magnetic-field generation coil by referring to the characteristic information of each magnetic-field generation coil, and a calibration part which calibrates each magnetic sensor so as to enhance uniformity in sensitivity, which is a ratio between an output differential value of the magnetic sensor in accordance with a change of a current by the current differential value acting on the magnetic-field generation coil and the estimated magnetic differential value.


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    Titel :

    MARKER DETECTION SYSTEM AND METHOD OF OPERATING MARKER DETECTION SYSTEM


    Beteiligte:
    YAMAMOTO MICHIHARU (Autor:in) / NAGAO TOMOHIKO (Autor:in) / AOYAMA HITOSHI (Autor:in)

    Erscheinungsdatum :

    2021-06-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen / B62D MOTOR VEHICLES , Motorfahrzeuge / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein



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