Handling and stability characteristics of two configurations of three-wheel vehicles were investigated using a vehicle simulation model. Normalized equations of motion were developed. These equations were solved numerically with the help of a digital computer. Vehicle responses were then obtained for a wide range of normalized vehicle parameters. Two standard handling maneuvers were utilized for predicting the handling and stability characteristics of the two vehicle configurations. Results demonstrated that on both configurations, improper matching of tires resulted in significantly different vehicle responses. The single front wheel configuration (S F W or 1F/2R) required higher cornering stiffness in the rear tires than in the front for stable yaw velocity response in the normal operating range of speeds. The reverse was true in the single rear wheel configuration (S R W or 2F/1R). Rearward weight bias produced increasing side slip, longer response times and undesirable phase lags. The c.g. location closer to the two wheels provided better overturning immunity. The model described in this paper can be successfully utilized in determining initial design parameters of three-wheel vehicles.


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    Title :

    Investigation of handling and stability characteristics of three wheel vehicles using a digital simulation model


    Additional title:

    Untersuchung der Handhabungs- und Stabilitaetseigenschaften von Dreiradfahrzeugen mit einem digitalen Simulationsmodell


    Contributors:


    Publication date :

    1983


    Size :

    11 Seiten, 12 Bilder, 12 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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