The U.S. Army uses the root mean squared of elevation, or the RMSE standard for characterizing road/off-road roughness descriptions. This standard has often appeared in contracts as a performance requirement for the vehicle system. One important application of the standard is describing the testing environment for the vehicle. A physical test, which uses the standard, is the 30,000 mile endurance test. More recently, another metric has been used, the power spectral density (PSD) of road roughness. The international standard for road roughness is known as the International Roughness Index (IRI), and all road construction projects in the U.S. are based on this, as well as Department of Transportation analyses. This paper will analyze the different standards by comparing and contrasting the various aspects of each. Depending on the standard and metrics chosen, the simulation results will have different correlations with actual test. The goal is to better understand each standards limitations and how it affects the correlations.


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    Titel :

    Terrain Roughness Standards for Mobility and Ultra-Reliability Prediction


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Haueisen, Brooke (Autor:in) / Gunter, David (Autor:in) / Gorsich, David J. (Autor:in) / Ferris, John (Autor:in) / Chaika, Milton (Autor:in) / Karlsen, Robert (Autor:in) / Sun, Tzechien (Autor:in)

    Kongress:

    SAE 2003 World Congress & Exhibition ; 2003



    Erscheinungsdatum :

    2003-03-03




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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