Appropriate speed selection in curve roads is the key of traffic safety during the vehicle's cornering. Lateral instability induced sideslip and rollover are the two main accident forms in curves. However, there's still lack of analyzing sufficient factors that influence curve speed selection currently. In this paper, we combine factors related to vehicle and road states, i.e., the vehicle's lateral load transfer, suspension deflection, and curve geographic features, etc. Therefore, an curve speed model based on analyzing the vehicle-road coupling effect for vehicle sideslip and rollover is proposed. Using simulation analysis, the result shows that the average error of the critical speed selected by the proposed model and that by trail and error is 1.55%. By comparing with typical existing models, the curve speed selected by the proposed model is in the range of those selected by others. Specifically, only the proposed model can reveal rollover risk caused by high speed selection in the curve whose surface adhesion coefficient goes above 0.74.


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    Title :

    Curve Speed Model Considering Coupled Effect Vehicle and Road for Preventions of Rollover and Sideslip


    Contributors:
    Chu, Duanfeng (author) / Yang, Junru (author) / Lu, Liping (author) / He, Yi (author) / Wu, Chaozhong (author) / Zhang, Cunbao (author)


    Publication date :

    2018-11-01


    Size :

    269399 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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