西南交通大学,智慧城市与交通学院;西华大学,汽车与交通学院;西南交通大学,经济管理学院;
【背景】随着车路协同相关技术的不断发展,通过车辆速度引导实现车辆在交叉口的安全、高效通行成为交叉口管理的重要手段之一,受到广泛关注。【目标】充分利用无信号交叉口灵活性,实现网联人类驾驶车辆路权优化,提供协同式车辆速度引导,缓解交通拥堵,降低车辆燃油消耗。【方法】首先,提出一种考虑车辆驾驶意图的车组划分规则,并基于此考虑车辆动力学、车组占用汇流区时间以及车组间冲突关系等多重约束,建立以规划区域内车辆总延误最小为目标的优化模型。随后,提出一种考虑与障碍车辆间碰撞风险的在线协同速度引导方法,进一步提高交叉口利用率,形成车组划分、路权优化、速度引导的分层异步无信号交叉口一体化管理框架。【结果】利用Matlab软件开展仿真实验,结果表明,基于分层优化方法的平均延误优于其他方法,总体延误处于较低水平。例如,当交通流量为2 000 veh/h时,所提方法相比于基于先到先服务的方法和基于时间接近度的速度引导方法,分别可降低45%以上和16.86%的平均延误。【结论】提出一种考虑网联车辆意图的分层式协同车速引导方法,可有效提高网联无信号交叉口车路协同方法的精细化程度,提高系统通行效率。
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下载次数 | 被引频次 | 阅读次数 |
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基本信息:
DOI:10.19961/j.cnki.1672-4747.2024.11.004
中图分类号:U495
引用信息:
[1]丁红亮,刘天麟,孔维耀等.考虑网联车辆意图的无信号交叉口协同车速引导方法[J].交通运输工程与信息学报,2025,23(01):59-71.DOI:10.19961/j.cnki.1672-4747.2024.11.004.
基金信息:
国家自然科学基金面上项目(52272343); 国家自然青年科学基金项目(52102384); 江苏省自然科学基金面上项目(BK2022022056); 中央高校基本科研业务费项目(2682024CX089); 中国博士后科学基金面上项目(2024M762697)