This paper presents the setup and test results for evaluating kinematics characteristics of heavy truck suspensions in their actual environment, while installed on the truck. The paper will provide the truck suspension kinematics that are important to the truck dynamics, namely vertical stiffness, roll stiffness, and roll steer. It also presents the nature of the hysteresis that commonly exists in heavy truck suspensions. Next, we present a detailed account of the issues that must be taken into consideration in practice, when measuring various kinematics aspects of a truck suspension. Using a successful laboratory setup for measuring kinematics of heavy truck suspensions, the paper provides an evaluation of a class 8 truck with a trailing arm suspension. The description of the setup provides the details of the instrumentation and means of actuation that are necessary for collecting good kinematics data. The analysis of the data highlights the kinematics aspects that must be closely considered when evaluating existing or new truck suspensions, in terms of their effects on the truck dynamics.


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    Titel :

    On-Vehicle Evaluation of Heavy Truck Suspension Kinematics


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ahmadian, Mehdi (Autor:in) / Ahn, Young Kong (Autor:in)

    Kongress:

    International Truck & Bus Meeting & Exhibition ; 2003



    Erscheinungsdatum :

    10.11.2003




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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