快速路互通交织区超车换道行为控制方法

doi:10.13229/j.cnki.jdxbgxb.20240783

Abstract

Abstract:

This study focuses on the overtaking lane-changing behavior in urban expressway interchange weaving areas， aiming to analyze the lane-change space selection characteristics of overtaking vehicles and explore control methods for overtaking lane-change behavior. Utilizing real-time trajectory data， this study analyzes the differences in gap selection and lane-changing point selection across various stages of the overtaking process. Machine learning methods were used to predict lane-change duration and lane-change space selection changes. Based on the prediction results， a speed optimization control model for overtaking lane-change behavior was established. The control effect of the model was then tested using a cellular automata simulation environment. The results show that under the control model， the proportion of vehicles selecting "excellent" and "good" grade lane-change gaps and the optimal lane-change point position increased by up to 18.86 and 6.89 percentage points compared to actual values. Additionally， the operating speeds of the three lanes in the weaving area increased by 6.91%， 1.71%， and 3.85%， respectively， and the spatiotemporal utilization rates of the lanes also exhibited better balance.

Key words: interchange weaving area, overtaking lane-change behavior, lane-change gap, cellular automata, speed optimization control

CLC Number:

U491

Jian-xiao MA,Shuo HUAI,Yi ZHAO,Ming-hao LI,Yu-xin CHEN,Si-yu ZHAO. Behavior control method of overtaking lane-changing in expressway interchanging weaving area[J].Journal of Jilin University(Engineering and Technology Edition), 2026, 56(2): 431-442.

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	OLC第一阶段			OLC第二阶段
	RF	R	RB	RF	R	RB
1/4位数	22.08	20	13.92	17.51	25.25	14.44
中位数	28.90	28.84	16.42	29.70	38.38	22.32
3/4位数	54.40	72.28	28.45	71.03	54.61	48.02

级别	RB	R	RF
最大	良	优	优
中等	中	中	良
最小	差	差	差

换道过程	1/4位数	中位数	3/4位数
OLC第一阶段	41.08	60.04	88.15
OLC第二阶段	41.66	51.88	66.09

参数	含义
m	车辆纵向位置
n	车辆横向位置
disFront	与前方车辆距离
disRightFront	与右前方车辆纵向距离
disRightBack	与右后方车辆纵向距离
vFront	前方车辆速度
vRightFront	右前方车辆速度
vRightBack	右后方车辆速度
v	车辆当前速度
a	车辆加速度
disBack	与后方车辆距离
disLeftFront	与左前方车辆纵向距离
disLeftBack	与左后方车辆纵向距离
vBack	后方车辆速度
vLeftFront	左前方车辆速度
vLeftBack	左后方车辆速度

参数	取值
n_estimators	200
max_depth	10
min_samples_split	2
min_samples_leaf	1
max_features	log2
random_state	1
class_weight	balanced

Behavior control method of overtaking lane-changing in expressway interchanging weaving area

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参数	取值
隐藏层层数	2
隐藏层神经元个数	64
隐藏层激活函数	ReLU
初始学习率	0.001
epochs	40
batch_size	64
Dropout	0.25
损失函数	MSE

变量	参数设置	对应实际值
元胞空间长度/cell	3 000	150 m
车道宽度/cell	9	3.5 m
车道数/条	5	5条
车辆最大速度/（cell×fps^-1）	12	60 km/h
车身长度/cell	90	4.5 m
仿真步长/fps	9 000	5 min

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