This paper presents design and experimental validation of a vehicle lateral controller for autonomous vehicle based on a higher-order sliding mode control. We used the super-twisting algorithm to minimize the lateral displacement of the autonomous vehicle with respect to a given reference trajectory. The control input is the steering angle and the output is the lateral displacement error. The particularity of such a strategy is to take advantage of the robustness of the sliding mode controller against nonlinearities and parametric uncertainties in the model, while reducing chattering, the main drawback of first order sliding mode. To validate the control strategy, the closed-loop system simulated on Matlab-Simulink has been compared to the experimental data acquired on our vehicle DYNA, a Peugeot 308, according to several driving scenarios. The validation shows robustness and good performance of the proposed control approach.


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    Title :

    Higher-order sliding mode control for lateral dynamics of autonomous vehicles, with experimental validation


    Contributors:
    Tagne, Gilles (author) / Talj, Reine (author) / Charara, Ali (author)


    Publication date :

    2013-06-01


    Size :

    1545684 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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