相关实验视频

Updated: Sep 16, 2025

Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research

Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research

Published on: December 18, 2020

基于改进的驾驶风险领域模型的应急车道占用情况的动态评估

Chuzhao Li¹, Yangming Zhou², Zhiyu Tao²

¹National Elite Institute of Engineering, Chongqing University, Chongqing 400044, China; State Key Laboratory of Intelligent Vehicle Safety Technology, JiangBei Distinct, Chongqing 401133, China; State Key Laboratory of Vehicle NVH and Safety Technology, China Automotive Engineering Research Institute Company, Ltd, Chongqing 401122, China.

Accident; analysis and prevention

|July 4, 2025

概括

在高速公路上的紧急变化车道 (ELC) 是由速度和空间驱动的,但增加了追随车辆的风险. 了解这些因素可以提高交通安全和效率.

科学领域:

交通工程是交通工程.
运输安全运输安全
行为分析行为分析

背景情况:

在中国,高速公路应急车道的频繁占用损害了交通效率和安全.
改变车道 (LC) 的行为,特别是紧急变更车道 (ELC),是交通事故的关键因素.

研究的目的:

确定影响紧急车道更改 (ELC) 的关键因素.
开发一个改进的驾驶风险现场模型来评估ELC期间的风险.
分析ELC对交通流动和安全的影响.

主要方法:

收集了来自六个高速公路段的数据,以提取改变车道的行为.
使用后勤回归来识别影响ELC的因素.
开发了一个改进的驾驶风险现场模型,包括车辆动态和车道线效应.

主要成果:

ELC的动机主要是追求速度和驾驶空间,受周围车辆动态和超车意图的影响.
ELC涉及降低横向速度/加速度和降低最小碰撞时间 (TTC),表明更高的可接受风险水平.
在ELC期间的风险变化不同,取决于车道变化的方向 (紧急到正常与正常到紧急).

结论:

ELC显著对后面的车辆产生负面影响,导致横向移位增加,纵向减速,以及风险增加.
与现有模型相比,改进的驾驶风险现场模型提供了更准确的对车道更改期间碰撞风险的评估.
调查结果为制定策略提供了见解,以减轻与紧急车道更改相关的风险,并改善高速公路的整体安全.

关键词:

驾驶风险领域驾驶风险领域应急车道的紧急车道改变车道,改变车道.风险转化趋势风险转化趋势

更多相关视频

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

相关概念视频

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Relative Risk

Relative Risk

Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...

Hazard Ratio

Hazard Ratio

The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...

Applications of GIS: Disaster Management and Emergency Response

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...

Hazard Rate

Hazard Rate

The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...

Design Example: Alignment of a Road Line Using GIS

Design Example: Alignment of a Road Line Using GIS

The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...