The emissions test capability developed at New York's Automotive Emissions Laboratory is described as applied to realtime measurements from in-use three-way-catalyst vehicles. Realtime data from tailpipe emissions analyzers, engine air/fuel ratio analyzer, and vehicle speed/acceleration/power from an electric chassis dynamometer are polled several times per second by a minicomputer data acquisition system. These data are obtained in parallel with conventional CVS bag results. Examples of this capability are demonstrated with test results from two in-use computer-controlled catalyst cars. Results are shown as applied to modal analysis and inter-relationships among collected data.State air pollution control program areas where this capability can be applied are suggested. Improvements and refinements are discussed in preparation for these tasks.


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    Title :

    Realtime Measurements for CO Characterization of In-Use Three-Way-Catalyst Vehicles


    Additional title:

    Sae Technical Papers


    Contributors:
    Hill, B. J. (author) / Hyde, J. D. (author) / Gabele, P. A. (author) / Werner, P. L. (author) / Whitby, R. A. (author) / Gibbs, R. E. (author) / Johnson, R. E. (author) / Hoffman, T. E. (author)

    Conference:

    SAE International Congress and Exposition ; 1985



    Publication date :

    1985-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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