Feedback controlled infrared proximity sensing system

Ming Yang

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    A feedback controlled infrared proximity system has been presented. It exceeds the ranging performance of a conventional optical reflectance proximity system. Because of the use of dual infrared receivers, the influence of surface reflection properties on the accuracy of the distance measurement is significantly reduced and the measurement accuracy is greatly improved over a relative long distance. A pulse modulation approach has been used to minimise the interference of ambient light and allow the system to have much higher output power and wider dynamic range. Due to the introduction of adaptive control of the output power, the distance can be measured just based on the output of a single infrared receiver.
    Original languageEnglish
    Pages (from-to)81-86
    JournalMeasurement
    Volume69
    DOIs
    Publication statusPublished - 14 Feb 2015

    Fingerprint

    proximity
    Infrared radiation
    Feedback
    output
    receivers
    Pulse modulation
    pulse modulation
    Distance measurement
    adaptive control
    dynamic range
    reflectance
    interference

    Bibliographical note

    The full text is currently unavailable on the repository.

    Keywords

    • Distance measurement
    • Proximity sensor
    • Inferred sensor
    • Feedback control

    Cite this

    Feedback controlled infrared proximity sensing system. / Yang, Ming.

    In: Measurement, Vol. 69, 14.02.2015, p. 81-86.

    Research output: Contribution to journalArticle

    Yang, Ming. / Feedback controlled infrared proximity sensing system. In: Measurement. 2015 ; Vol. 69. pp. 81-86.
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