The Mobile Tire Traction Dynamometer measures the braking and cornering traction of passenger car tires on outdoor pavements at highway speeds. Its hydrostatic wheel speed control system, wheel loading and positioning system, pavement wetting system, transducers and instrumentation are described in detail. The data processing methods for its several test modes are explained.Results of experiments (1) to determine the effect of the rate of change of slip on the peak braking coefficient, (2) to identify filters suitable for peak braking coefficient measurement, (3) to determine the effect of the rate of change of slip angle on the lateral force coefficient, and (4) to explore various pavement friction testing methods are included as examples of the use of this testing device.


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    Title :

    The Use of the Mobile Tire Traction Dynamometer in Research


    Additional title:

    Sae Technical Papers


    Contributors:
    Neill, A. H. (author) / Hinch, John (author) / Boyd, P. L. (author)

    Conference:

    1978 Automotive Engineering Congress and Exposition ; 1978



    Publication date :

    1978-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    The Use of the Mobile Tire Traction Dynamometer in Research

    Boyd,P.L. / Neill,A.H. / Hinch,J. et al. | Automotive engineering | 1978



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