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考虑全局最优性的汽车微观动态轨迹规划

, PP. 918-924

Keywords: 车辆工程,动态轨迹规划,汽车智能化,无人驾驶

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Abstract:

针对智能汽车关键技术之一的自主行驶问题,提出了一种分层决策框架,并重点对框架中的下层轨迹规划问题进行了研究。本文首先提出了一种将微观轨迹规划问题抽象为不同终点约束换道行为的方法,并提出了一种能够同时满足行驶安全和全局性能最优的动态轨迹规划方法。根据全局性能最优指标,提出了一种以三次多项式表达的最优换道轨迹;随后,本文在交通车轨迹预估的基础上,以简单车辆动力学模型为轨迹发生器建立了汽车行驶的安全搜索空间;最后以最优换道轨迹为目标决策出汽车行驶的最终轨迹。在Simulink仿真平台中对本文方法进行了仿真试验并证明了其有效性。

References

[1]  Taehyun S, Ganesh A, Yuan Hong-liang. Autonomous vehicle collision avoidance system using path planning and model-predictive-control-based active front steering and wheel torque control[J]. Journal of Automobile Engineering, 2012, 226(6): 767-778.
[2]  Zhang Su-min, Sun Hao, Wang Yu. A trajectory planning algorithm for autonomous overtaking maneuvers[C]∥Instruments, Measurement, Electronics and Information Engineering, 2012:1308-1313.
[3]  Zhang Su-min, Deng Wei-wen, Zhao Qing-rong, et al. Dynamic trajectory planning for vehicle autonomous driving[C]∥IEEE Conference on Systems, Man, and Cybernetics, 2013:4161-4166.
[4]  余至生.汽车理论[M].北京:机械工业出版社, 2008:144-148.
[5]  陈清阳, 张小波, 孙振平, 等. 非结构化环境下自主车辆轨迹规划方法[J]. 中南大学学报:自然学科版, 2011, 42(11):3384-3387. Chen Qing-yang, Zhang Xiao-bo, Sun Zhen-ping, et al. Trajectory planning for autonomous driving in unstructured environments [J]. Journal of Central South University (Nature Science), 2011, 42(11): 3384-3387.
[6]  Jeff J, Kris H.Optimal acceleration-bounded trajectory planning in dynamic environments along a specified path[C]∥Proceeding of the 2012 IEEE Conference on Robotics and Automation, IEEE Press, 2012.
[7]  Fraichard Thierry. Trajectory planning in a dynamic workspace: a 'state-time space' approach[J]. Advanced Robotics, 1998, 13(1):75-94.
[8]  Racheal A B. Velocity occupancy space: autonomous navigation and dynamic obstacle avoidance with sensor and actuation error[D]. Michigan: University of Michigan, 2012.
[9]  Raja P. Optimal path planning of mobile robots:a review[J]. International Journal of Physical Sciences, 2012, 7(9):1314-1320.
[10]  Zhang Su-min, Deng Wei-wen, Zhao Qing-rong, et al. An intelligent driver model with trajectory planning[C]∥IEEE Conference on Intelligent Transportation Systems, 2012:876-881.
[11]  Jian Yang. Real-time trajectory planning for ground and aerial vehicle in dynamic environment[D]. Florida: University of Central Florida, 2008.

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