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发表于 2005-3-2 22:46:12
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[问与答]——对交通流跟驰模型线性稳定性分析的讨论!
[这个贴子最后由水寿松在 2005/03/17 11:32pm 第 1 次编辑]
推荐paper—PhysRevE_70_066134:
Stabilization effect of traffic flow in an extended car-following model based on an intelligent transportation system application
H. X. Ge(葛红霞),1 S. Q. Dai(戴世强),1 L. Y. Dong(董力耘),1 and Y. Xue(薛郁)2
1Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China
2Department of Physics, GuangXi University, Nanning 530004, China
An extended car following model is proposed by incorporating an intelligent transportation system in traffic. The stability condition of this model is obtained by using the linear stability theory. The results show that anticipating the behavior of more vehicles ahead leads to the stabilization of traffic systems. The modified Korteweg-de Vries equation (the mKdV equation, for short) near the critical point is derived by applying the reductive perturbation method. The traffic jam could be thus described by the kink-antikink soliton solution for the mKdV equation. From the simulation of space-time evolution of the vehicle headway, it is shown that the traffic jam is suppressed efficiently with taking into account the information about the motion of more vehicles in front, and the analytical result is consonant with the simulation one.
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