Methodology for finding optimum cell size for a grid based cellular automata traffic flow model

被引:0
|
作者
Gundaliya, P. J. [1 ]
Mathew, Tom V. [2 ]
Dhingra, S. L. [2 ]
机构
[1] LD Coll Engn, Civil Engn Dept, Ahmadabad, Gujarat, India
[2] Indian Inst Technol, Civil Engg Dept, Transportat Syst Engn, Bombay 76, Maharashtra, India
来源
EUROPEAN TRANSPORT-TRASPORTI EUROPEI | 2005年 / 29期
关键词
Heterogeneous traffic flow; Simulation; Grid based approach; Cellular Automata;
D O I
暂无
中图分类号
U [交通运输];
学科分类号
08 ; 0823 ;
摘要
A methodology for determining optimum cell size for a grid based traffic flow model for heterogeneous traffic is proposed in this paper. The cell size is an important factor to determine as it affects the computational efficiency and model accuracy. The objective function minimizes three aspects namely the difference of distance headway in case of cellular automata and grid based traffic flow model, the total number of cells to represent different types of vehicles and multiple of cell width that gives closer representation of the different road widths. The presented method is found better then the previous attempt which tries to find the cell size by trial and error.
引用
收藏
页码:71 / 79
页数:9
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