To control the lateral acceleration of driving vehicle and its rate of growth is always an important part in road geometric design. At present, vehicles are simplified as single rigid body when and are calculated, moreover, the calculation is made in two-dimensional plane, which does not comply with the actuality. In this article, Road-Driver-Vehicle simulation system (RDVS) is applied to get and of driving vehicle on 3 test roads selected from the mountainous area of southwestern China. In RDVS, the dynamic vehicle model is driven on three-dimensional roads under the control of driver model, so it is more close to the real driving. The results show: got from RDVS is bigger than that from single rigid body calculation. As RDVS is more reliable, from single rigid body calculation may cause an insufficient estimation: suppose the driver drives at the designed speed, though the designed speed varies, the peak value of of the three objects range in [2.0m/s2, 2.5m/s2], beyond the limit of comfort but within tolerable scope; as for subject C without application of clothoid, will exceed the limit of 1.0m/s3. So it is suggested using clothoid, considering improving the quality.


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    Title :

    Analysis on Usage Comfort of Highway Based on Lateral Acceleration and Lateral Acceleration Change Rate



    Published in:

    Publication date :

    2013-09-27


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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