Previous studies have shown the capability of fiber Bragg gratings (FBGs) to monitor components of strain on bridges and structures. In past months, Blue Road Research and the Oregon Department of Transportation embedded long-gage FBG sensors into the Interstate 84 freeway east of Portland, Oregon to determine the feasibility of retro-install and for use of these sensors in monitoring freeway traffic speeds under conditions similar to loop inductors, piezo-ceramic weigh-in-motion (WIM) systems, and other vehicle monitoring devices. The objective of the study was to develop a working traffic sensor system with the potential to be more durable, reliable, informative, and cost-effective than currently available traffic sensors. A primary purpose of the freeway installation was to test the sensors for vehicle classifier and counter applications. In addition to discussion of the advantages of using FBGs for traffic classifiers and systems over conventional sensing methods, this paper overviews the installation and summarizes the use of FBG traffic sensors for vehicle counting and classification.


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    Titel :

    Fiber grating traffic monitoring systems


    Beteiligte:
    Kunzler, Marley (Autor:in) / Edgar, Robert (Autor:in) / Udd, Eric (Autor:in) / Taylor, Tad (Autor:in) / Schulz, Whitten L. (Autor:in) / Kunzler, Wesley (Autor:in) / Soltesz, Steven M. (Autor:in)

    Kongress:

    Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways ; 2002 ; San Diego,California,United States


    Erschienen in:

    Erscheinungsdatum :

    2002-06-28





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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