网联交叉口信号相位与车辆轨迹联合优化方法

doi:10.13229/j.cnki.jdxbgxb.20250374

摘要/Abstract

摘要：

为改善传统信号控制滞后响应交通流实时波动的状况，提出了一种网联环境下交叉口信号相位与车辆轨迹联合优化方法。通过协同优化车辆行驶轨迹与信号相位配时方案，动态适配交通流波动，达到提升交叉口通行效率的目的。仿真结果表明：相较于无轨迹优化的信号控制策略，该方法可降低6.45%~16.42%的车均延误以及2.36%~8.39%的停车率；在交通流随机波动较大的场景下，本文方法较混合整数线性规划协同优化方法性能更稳定。进一步分析表明，网联车渗透率越高，本文方法的控制效果越显著。

关键词: 智能交通, 信号相位, 车辆轨迹, 交通流波动, 网联车辆

Abstract:

In order to improve the lag response of traditional signal control methods to real-time fluctuations of traffic flow， a joint optimization method of intersection signal phase and vehicle trajectory in a connected environment was proposed. By collaboratively optimizing the vehicle trajectory and signal phase timing scheme， it can dynamically adapt to traffic flow fluctuations and achieve the purpose of improving the traffic efficiency of intersections. The simulation results show that compared with the signal control strategy without trajectory optimization， the proposed method can reduce the average vehicle delay by 6.45%~16.42% and the parking rate by 2.36%~8.39%. In the scenario of large random fluctuation of traffic flow， the performance of the collaborative optimization method is more stable than that of the mixed integer linear programming. Further analysis shows that the higher the penetration rate of connected vehicles， the more significant the control effectiveness of the proposed method.

Key words: intelligent transportation, signal phase, vehicle trajectory, traffic flow fluctuations, connected vehicles

中图分类号:

U491

蒋贤才,马星,郭子豪. 网联交叉口信号相位与车辆轨迹联合优化方法[J]. 吉林大学学报(工学版), 2026, 56(10): 2606-2616.

Xian-cai JIANG,Xing MA,Zi-hao GUO. Joint optimization method of signal phase and vehicle trajectory at connected intersections[J]. Journal of Jilin University(Engineering and Technology Edition), 2026, 56(10): 2606-2616.

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参数	取值
道路限速/（m·s^-1）	16
最低限速/（m·s^-1）	5
交叉口限速/（m·s^-1）	11
最大加速度/（m·s^-2）	4
期望加速度/（m·s^-2）	3
车辆长度/m	4
直行及右转车流最短绿灯时间/s	15
直行及右转车流最长绿灯时间/s	70
左转车流最短绿灯时间/s	12
左转车流最长绿灯时间/s	36
基准东西左转相位绿灯时间/s	20
基准东西直行及右转相位绿灯时间/s	40
基准南北左转相位绿灯时间/s	25
基准南北直行及右转相位绿灯时间/s	48
连续车流之间的安全距离/m	3.6
CAV反应时间/s	0.1
CHV反应时间/s	1
CAV-CAV和CHV-CAV饱和车头时距/s	1
CAV-CHV和CHV-CHV饱和车头时距/s	2
CHV平均速度/（m·s^-1）	10
仿真时长/s	3 600

进口道	左转		直行与右转
进口道	CHV	CAV	CHV	CAV
东	75	82	360	690
南	66	91	385	530
西	88	76	356	610
北	85	99	368	663

流量	方案	进口	相位		进口	相位
流量	方案	进口	1	2	进口	3	4
低	BCM	东	22.0/0.81	22.5/0.82	南	24.1/0.83	23.2/0.80
	BCM	西	22.9/0.83	23.7/0.79	北	24.4/0.81	22.7/0.75
	JOM-SPVT	东	18.9/0.73	18.3/0.71	南	20.2/0.75	19.4/0.72
	JOM-SPVT	西	18.4/0.74	19.5/0.72	北	18.8/0.77	21.3/0.76
中	BCM	东	30.2/0.86	31.7/0.86	南	31.4/0.85	32.6/0.86
	BCM	西	31.2/0.87	32.5/0.85	北	32.1/0.87	32.2/0.88
	JOM-SPVT	东	29.3/0.81	25.0/0.83	南	26.0/0.82	27.3/0.81
	JOM-SPVT	西	28.7/0.79	26.3/0.81	北	26.3/0.78	26.7/0.77
高	BCM	东	36.4/0.93	37.3/0.92	南	35.7/0.90	36.6/0.92
	BCM	西	35.4/0.94	32.7/0.92	北	34.4/0.91	33.5/0.93
	JOM-SPVT	东	34.0/0.89	31.0/0.92	南	35.1/0.90	30.8/0.88
	JOM-SPVT	西	33.9/0.90	34.2/0.91	北	32.0/0.89	32.8/0.91