Energy field-based lane changing behavior interaction model and risk evaluation in the weaving section of expressway

IF 1.6 3区 工程技术 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Yi Li , Fengchun Yang , Zhaoze Xuan , Beini Zhou
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引用次数: 0

Abstract

Objective

With the development of intelligent driving assistance systems, the evaluation of driving behavior risk has shifted from traditional single-vehicle studies to multi-vehicle studies. This study aimed to investigate the interaction mechanism between vehicles and to study the microscopic laws of traffic flow operation.

Methods

Firstly, the concept of "driving interaction field" was proposed. The virtual interaction quality and distance were used to define the driving interaction field. The interaction angle distinguished the vehicle interaction between different lanes. Then, the risk mechanism in the interaction process was analyzed by driving risk index. Corresponding thresholds of 50% and 85% quantile values were determined. Finally, the process of the lane-changing simulation experiments was divided into three phases (preparation, execution and adjustment).

Results

The driving risk index of the execution phase was larger than the other phases. Meanwhile, the comparison with the classical driving risk indexes revealed that the proposed index was more accurate and intuitive in describing the interaction risks.

Conclusions

The driving interaction model proposed in this study quantified the overall environmental pressure on the vehicle. It overcomes the previous limitation of kinetic interaction parameters. The research provides a new idea for the ITS and autonomous driving systems, contributing to the enhancement of traffic safety and efficiency.

基于能量场的高速公路交织路段变道行为交互模型及风险评估
目的随着智能辅助驾驶系统的发展,驾驶行为风险评估已从传统的单车研究转向多车研究。方法首先,提出了 "驾驶交互场 "的概念。首先,提出了 "驾驶交互场 "的概念,用虚拟交互质量和距离来定义驾驶交互场。交互角度区分了不同车道之间的车辆交互。然后,通过驾驶风险指数分析了交互过程中的风险机制。确定了 50%和 85%量值的相应阈值。最后,将变道模拟实验过程分为三个阶段(准备、执行和调整)。结论本研究提出的驾驶交互模型量化了车辆所面临的整体环境压力。它克服了以往动力学交互参数的局限性。该研究为智能交通系统和自动驾驶系统提供了新思路,有助于提高交通安全和效率。
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来源期刊
Traffic Injury Prevention
Traffic Injury Prevention PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
3.60
自引率
10.00%
发文量
137
审稿时长
3 months
期刊介绍: The purpose of Traffic Injury Prevention is to bridge the disciplines of medicine, engineering, public health and traffic safety in order to foster the science of traffic injury prevention. The archival journal focuses on research, interventions and evaluations within the areas of traffic safety, crash causation, injury prevention and treatment. General topics within the journal''s scope are driver behavior, road infrastructure, emerging crash avoidance technologies, crash and injury epidemiology, alcohol and drugs, impact injury biomechanics, vehicle crashworthiness, occupant restraints, pedestrian safety, evaluation of interventions, economic consequences and emergency and clinical care with specific application to traffic injury prevention. The journal includes full length papers, review articles, case studies, brief technical notes and commentaries.
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