A displacement detecting apparatus is provided with a self-position detector for detecting a position and an orientation of the apparatus relative to a preset reference position and a preset reference orientation. Displacement of a rail at an upper surface reference point and a side surface reference point relative to a preset reference position is calculated from imaged image data of the surfaces of the rail using an optical cutting method, and the calculated displacement of the rail is corrected using data obtained from the self-position detector, thereby compensating for errors caused by differences in position and orientation of the apparatus associated with a vehicle running motion. By doing so, the displacement detecting apparatus is superior in maintenance and unlikely to cause measurement errors.


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    Titel :

    Displacement detecting apparatus for railroad rails


    Beteiligte:
    SHIMADA TADAO (Autor:in) / MITSUE MASAYUKI (Autor:in) / ENOMOTO MASAYUKI (Autor:in)

    Erscheinungsdatum :

    08.12.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G06K Erkennen von Daten , RECOGNITION OF DATA / B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



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    YUN KYEONG WON / CHO WON JU | Europäisches Patentamt | 2023

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    Fissures in railroad rails

    Moore, H.F. | Engineering Index Backfile | 1937


    Fissures in railroad rails

    Moore, H.F. | Engineering Index Backfile | 1938


    Creeping of railroad rails

    Waddell, J.A.L. | Engineering Index Backfile | 1920