Dynamical behavior of a two-dimensional cellular automaton with signal processing

被引:8
作者
Watanabe, MS [1 ]
机构
[1] Hosei Univ, Fac Human & Environm, Chiyoda Ku, Tokyo 1028160, Japan
关键词
traffic flow; cellular automaton; signal cooperation; phase transition;
D O I
10.1016/S0378-4371(03)00061-X
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study the effect of signal cooperation in a 2D cellular-automaton model of traffic flow in cities. Two-state signals, which permit vertical or horizontal passage of vehicles, are introduced to all cells of the automaton system. We simulate the dynamics of vehicles for different samples of signal arrangement. Phase transition occurs between freely moving and jamming phases for the samples. The critical densities for the transition vary as the arrangement is changed. We find a case having the multistage transition between them. The origin of the behavior is examined. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:707 / 716
页数:10
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