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

Abstract

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

CLC Number:

U491

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

Joint optimization method of signal phase and vehicle trajectory at connected intersections

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