优化了单车道环路上连接和自动化车辆的路线规划和调度策略
Lifeng Wang1,2, Hu Liang3,4, Yuxin Jian1
1College of Mechanical Engineering, Chongqing Three Gorges University, Chongqing, China.
PloS one
|August 30, 2024
概括
本研究介绍了在环形车道上连接和自动驾驶汽车 (CAV) 的合作驾驶策略. 它通过优化车辆的速度和进入时间,确保高效,无碰撞的导航,防止事故与0.2秒的最低间隔.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 运输工程 运输工程
- 智能运输系统 智能运输系统
背景情况:
- 连接和自动驾驶汽车 (CAV) 在复杂的交通场景中提出了独特的挑战,例如单车道圆圈.
- 多个CAV的高效协调对于交叉路口的安全性和交通流动至关重要.
研究的目的:
- 为在单车道圆圈上驾驶的CAV开发合作驾驶策略.
- 通过将它们简化为速度控制问题来解决多车辆协调问题.
主要方法:
- 建立了几何路径规划方法和车辆绕道模型.
- 最佳控制和Pontryagin最小化被用来开发两个速度优化策略.
- 为了分析交通场景,进行了MATLAB模拟.
主要成果:
- 拟议的控制策略有效地识别和减轻潜在的车辆冲突.
- 在时间和燃料消耗方面实现了高效,无碰撞的航行.
- 确定了0.2秒的最小时间间隔,以防止所有碰撞.
结论:
- 开发的策略成功地从单一冲突点扩展到多辆车的多个冲突点.
- 在单车道圆圈中实现了多个CAV的高效调度,提高了交通安全和吞吐量.
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