车辆协同巡航控制系统设计改进与试验评价

交通运输系统工程与信息 ›› 2019, Vol. 19 ›› Issue (6): 52-60.

• 智能交通系统与信息技术 • 上一篇下一篇

车辆协同巡航控制系统设计改进与试验评价

华雪东^{*a, b}，阳建强^b，王炜^a

东南大学a. 城市智能交通江苏省重点实验室；b. 建筑学院，南京 210096

收稿日期:2019-01-22 修回日期:2019-07-14 出版日期:2019-12-25 发布日期:2019-12-25
作者简介:华雪东(1987-)，男，江苏扬州人，讲师，博士.
基金资助:
国家自然科学基金/ National Natural Science Foundation of China(71801042, 51678132)；江苏省自然科学基金/ Natural Science Foundation of Jiangsu Province, China(BK20180381).

Redesign and Experimental Evaluation of Cooperative Adaptive Cruise Control System

HUA Xue-dong^{a, b}, YANG Jian-qiang^b,WANGWei^a

a. Jiangsu Key Laboratory of Urban ITS; b. School of Architecture, Southeast University, Nanjing 210096, China

Received:2019-01-22 Revised:2019-07-14 Online:2019-12-25 Published:2019-12-25

摘要/Abstract

摘要：

为提高交通流运行的机动性、稳定性，对车辆协同巡航控制(CACC)系统进行了改进设计. 基于经典Newell 模型提出了考虑CACC的改进跟驰模型，分析了所提出的CACC改进跟驰模型的动力学特性，给出了CACC改进跟驰模型的线性稳定性条件，并对由CACC车辆和非CACC车辆组成的非均匀车队的不同无线通讯拓扑结构进行了比较研究. 通过数值试验进一步研究了在起步、刹车和意外事件的情况下，CACC车辆的存在对交通流动力学的影响. 研究结果表明，通过合理设计CACC跟驰系统的模型参数取值后，CACC车辆的存在一方面可以提高交通流运行的机动性与稳定性，另一方面可以使交通出行更加的安全和舒适. 此外，由于不同车队中CACC车辆的无线通讯拓扑结构会影响交通流的机动性与稳定性，对于 CACC车辆的无线通讯拓扑结构应慎重的设计与优化.

关键词: 智能交通, 跟驰模型, 稳定性分析, 协同巡航控制, 数值实验

Abstract:

The primary objective of this paper is to improve the traffic mobility and stability by modified the CACC system design. An extension of Newell’s car-following model with consideration of CACC is developed. The dynamics of the proposed CACC car- following model is then analyzed, and the string stability condition is obtained. Various connectivity structures in heterogeneous platoons comprised of CACC and non-CACC vehicles are considered and compared as well. Numerical experiment is demonstrated to further study the in fluence of CACC vehicles on traffic dynamics during starting, braking and traffic incident. The results reveal that with appropriately designed model parameters, CACC can improve the string stability of traffic on one hand. On the other hand, the introduction of CACC vehicles makes travelling safer and more comfortable. Moreover, as the connectivity structures of CACC vehicles in heterogeneous platoons can affect the performance of traffic mobility, CACC vehicles should use information from selective preceding vehicles.

Key words: intelligent transportation, car- following model, string stability analysis, cooperative adaptive cruise control, numerical experiment

中图分类号:

U491

华雪东，阳建强，王炜. 车辆协同巡航控制系统设计改进与试验评价[J]. 交通运输系统工程与信息, 2019, 19(6): 52-60.

HUA Xue-dong YANG Jian-qiang,WANGWei. Redesign and Experimental Evaluation of Cooperative Adaptive Cruise Control System[J]. Journal of Transportation Systems Engineering and Information Technology, 2019, 19(6): 52-60.

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http://www.tseit.org.cn/CN/Y2019/V19/I6/52

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车辆协同巡航控制系统设计改进与试验评价

Redesign and Experimental Evaluation of Cooperative Adaptive Cruise Control System

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