A novel trajectory planning method is proposed in this paper for lane change of autonomous vehicle. Since it is difficult to accurately capture the trajectory of other vehicles, which means the trajectory for autonomous vehicle couldn't always easy to generate quickly. Moreover, the motion planning, as a kind of high-dimensional optimization problem with multiple nonlinear constraints, requires lots of resources to find a right solution. Therefore, we present a trajectory monitoring strategy to keep robust in lane change scenario, which generates the lane change and monitoring trajectory at the same time. If the former does not produce a safe trajectory or is time out, the monitoring trajectory will be taken as the result output. To meet the constraints of vehicle's motion and real-time requirements, B-spline-based method will be employed to plan a continuous curvature path. And RRT-based method works as a supplement for keeping algorithm completeness. Then the monitory trajectory mainly obeys collision-free requirements, which computes deceleration that keeps vehicle stability. The results illustrate that both B-spline-based method and RRT-based could generate curvature continuous and meet the limitation for motion, however, both have the possibility of timeout. Especially, there are challenge to the success rate as environment becomes more complex.


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    Title :

    A Novel Robust Lane Change Trajectory Planning Method for Autonomous Vehicle


    Contributors:
    Zeng, Dequan (author) / Yu, Zhuoping (author) / Xiong, Lu (author) / Zhao, Junqiao (author) / Zhang, Peizhi (author) / Li, Zhiqiang (author) / Fu, Zhiqiang (author) / Yao, Jie (author) / Zhou, Yi (author)


    Publication date :

    2019-06-01


    Size :

    587758 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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