汽车工程 ›› 2023, Vol. 45 ›› Issue (7): 1099-1111.doi: 10.19562/j.chinasae.qcgc.2023.07.001
所属专题: 智能网联汽车技术专题-规划&决策2023年
• 专题:汽车智能化关键技术 • 下一篇
收稿日期:
2023-01-03
修回日期:
2023-02-05
出版日期:
2023-07-25
发布日期:
2023-07-25
通讯作者:
宫新乐
E-mail:Xinlegong@gmail.com
基金资助:
Cheng Lin1,Bowen Wang1,Lü Peiyuan1,Xinle Gong1,2(),Xiao Yu1
Received:
2023-01-03
Revised:
2023-02-05
Online:
2023-07-25
Published:
2023-07-25
Contact:
Xinle Gong
E-mail:Xinlegong@gmail.com
摘要:
当多辆自动驾驶车辆在结构化道路上执行换道合流任务时,需要综合考虑转向和合流动作以避免事故的发生,同时曲率和周车车速的变化也增大了协同控制的难度。本文聚焦上述问题,提出了面向变曲率道路的多车换道博弈运动规划与协同控制方法。首先,建立曲率坐标系下的多车模型来解析车间安全距离及动力学状态。其次,通过系统地考虑道路曲率变化及周围车辆信息,提出基于博弈的多车换道运动规划算法,采用分布式框架快速求解兼顾个性化驾驶的最优速度轨迹及换道时机。最后,基于B样条曲线高效识别道路曲率及规划轨迹,构建了自适应时变预测控制算法实现轨迹跟踪,其特点在于单步参数矩阵实时更新,消除车速和曲率频繁变化带来的控制偏差累积。实验结果表明,相比斯坦利(Stanley)方法,能降低58%的跟踪误差;相较协同自适应巡航方法,能减少74%的合流时间;另外计算求解效率也仅为集中式模型预测控制方法的10%。
林程, 汪博文, 吕沛原, 宫新乐, 于潇. 面向变曲率道路的自动驾驶汽车换道博弈运动规划与协同控制研究[J]. 汽车工程, 2023, 45(7): 1099-1111.
Cheng Lin, Bowen Wang, Lü Peiyuan, Xinle Gong, Xiao Yu. Research on Motion Planning and Cooperative Control for Autonomous Vehicles with Lane Change Gaming Maneuvers Under the Curved Road[J]. Automotive Engineering, 2023, 45(7): 1099-1111.
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