Redesign and Experimental Evaluation of Cooperative Adaptive Cruise Control System

被引：0
|
作者：
Hua X.-D. [1 ,2 ]
Yang J.-Q. [2 ]
Wang W. [1 ]
机构：
[1] Jiangsu Key Laboratory of Urban ITS, Southeast University, Nanjing
[2] School of Architecture, Southeast University, Nanjing
来源：
Jiaotong Yunshu Xitong Gongcheng Yu Xinxi/Journal of Transportation Systems Engineering and Information Technology | 2019年 / 19卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Car-following model; Cooperative adaptive cruise control; Intelligent transportation; Numerical experiment; String stability analysis;
D O I：
10.16097/j.cnki.1009-6744.2019.06.009
中图分类号：
学科分类号：
摘要：
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. Copyright © 2019 by Science Press.
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页码：52 / 60
页数：8
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