车辆跟驰的分子动力学特性及其模型

›› 2012, Vol. 42 ›› Issue (05): 1198-1202.

车辆跟驰的分子动力学特性及其模型

曲大义, 杨建, 陈秀锋, 卞晓华

青岛理工大学汽车与交通学院,山东青岛 266033

收稿日期:2011-07-26 出版日期:2012-09-01 发布日期:2012-09-01
基金资助:
国家自然科学基金项目(51178231);国家科技支撑计划项目(2009BAG13A03).

Molecular kinetics behavior of car-following and its model

QU Da-yi, YANG Jian, CHEN Xiu-feng, BIAN Xiao-hua

Qingdao Technological University, College of Automobile & Transportation, Qingdao 266033,China

Received:2011-07-26 Online:2012-09-01 Published:2012-09-01

摘要/Abstract

摘要： 应用分子动力学研究了车辆跟驰特性,探索了车辆跟驰的需求安全距离及其应用模型构建。通过赋予跟驰模型多个刺激项的反应权重,运用数学演绎方法,推导出驾驶员对各种刺激反应同向性的状态方程。在此基础上提出了描述跟驰变化过程的分子跟驰模型。数据验证和试验对比分析结果表明,分子跟驰模型对跟驰状态的描述更加全面和贴切,弥补了速度跟驰模型的不足,完善了交通流跟驰理论。

关键词: 交通运输系统工程, 交通流理论, 跟驰特性, 分子动力学, 需求安全距离

Abstract: The car-following behavior was studied by molecular kinetics, the required safe distance was explored and an application model was built. By giving the reaction weights to various stimuli, a state equation for the isodirectionality of the responses of the driver to various stimuli was derived using the mathematical deduction. Based on this equation, a molecular car-following model was built to describe the car-following behavior. The results of analyses from the data validation and the experimental comparison showed that the proposed molecular car-following model describes the car-following behavior more completely and appropriately, makes up the deficiency of the speed-based car-following models, and improves the car-following theory.

Key words: engineering of communications and transportation system, traffic flow theory, car-following behavior, molecular kinetics, required safe distance

中图分类号:

U491.1

曲大义, 杨建, 陈秀锋, 卞晓华. 车辆跟驰的分子动力学特性及其模型[J]. , 2012, 42(05): 1198-1202.

QU Da-yi, YANG Jian, CHEN Xiu-feng, BIAN Xiao-hua. Molecular kinetics behavior of car-following and its model[J]. , 2012, 42(05): 1198-1202.

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