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    Sensor for High Speed, High Precision Measurement of 2-D Positions

    TitleSensor for High Speed, High Precision Measurement of 2-D Positions
    Publication TypeJournal Article
    Año de publicación2009
    AutoresLuna, CA, Lazaro, JL, Mazo, M, Cano, A
    Idioma de publicaciónEnglish
    JournalSensors
    Volumen9
    Número11
    Páginas8810-8823
    Fecha de publicación11/2009
    Lugar de publicaciónSWITZERLAND
    EditorialMOLECULAR DIVERSITY PRESERVATION INT
    Rank in category11/56
    JCR CategoryINSTRUMENTS & INSTRUMENTATION
    JCR Impact Factor1.87
    ISSN1424-8220
    URLhttp://www.mdpi.com/1424-8220/9/11/8810/pdf
    DOI10.3390/s91108810
    Abstract

    A sensor system to measure the 2-D position of an object that intercepts a plane in space is presented in this paper. This sensor system was developed with the aim of measuring the height and lateral position of contact wires supplying power to electric locomotives. The sensor comprises two line-scans focused on the zone to be measured and positioned in such a way that their viewing planes are on the same plane. The report includes a mathematical model of the sensor system, and details the method used for calibrating the sensor system. The procedure used for high speed measurement of object position in space is also described, where measurement acquisition time was less than 0.7 ms. Finally, position measurement results verifying system performance in real time are given.

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