车速鉴定中轮胎-路面附着系数估算方法研究  

作　　者：张爱红[1] 陈涛[2] 黄钢[1] 龚标[1] 任皓[1] 

机构地区：[1]公安部交通管理科学研究所 [2]长安大学

出　　处：《道路交通科学技术》2020年第1期19-22,共4页Road Traffic Science & Technology

基　　金：道路交通安全公安部重点实验室(项目编号:2018GABJC21)。

摘　　要：在交通事故鉴定中,车辆行驶速度是事故处理和诉讼的重要依据。其中,路面附着系数是事故车速鉴定的重要参数。本文在大量实验数据基础上,拟合出车辆制动过程的特性曲线,并简化出相应的车速估算模型。利用此模型对不同车型、路面类型、湿滑状况和不同车速情况下的路面附着系数e进行了估算研究。经估算实例验证,文中的估算方法对不同状况下的路面附着系数具有较好的估算能力。In road traffic accident identification,vehicle speed is an important basis for accident handling and litigation.Among all factors,pavement adhesion coefficient is a very important parameter in accident speed identification.Based on a large amount of experimental data,the characteristic curve of vehicle braking process was fitted and a corresponding speed estimation model was simplified.Using this model,the road surface adhesion coefficient under different vehicle types,road types,wet and slippy conditions and different vehicle speeds were estimated.The estimation example verified that the estimation method discussed in this paper has good ability to estimate the adhesion coefficient of pavement under different conditions.

关 键 词：事故鉴定 轮胎-路面附着系数 估算方法 事故车速 

分 类 号：U41[交通运输工程—道路与铁道工程]