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A CA Hybrid of the Slow-to-Start and the Optimal Velocity Models and its Flow-Density Relation
Hideaki Ujinoa, Tetsu Yajimab a National Institute of Technology, Gunma College, Maebashi, Gunma 371–8530, Japan
b Department of Information Systems Science, Graduate School of Engineering, Utsunomiya University, Utsunomiya 321–8585, Japan
Аннотация:
The s2s-OVCA is a cellular automaton (CA) hybrid of the optimal velocity (OV) model and the slow-to-start (s2s) model, which is introduced in the framework of the ultradiscretization method. Inverse ultradiscretization as well as the time continuous limit, which lead the s2s-OVCA to an integral-differential equation, are presented. Several traffic phases such as a free flow as well as slow flows corresponding to multiple metastable states are observed in the flow-density relations of the s2s-OVCA. Based on the properties of the stationary flow of the s2s-OVCA, the formulas for the flow-density relations are derived.
Ключевые слова:
optimal velocity (OV) model; slow-to-start (s2s) effect; cellular automaton (CA); ultradiscretization, flow-density relation.
Поступила: 31 марта 2015 г.; в окончательном варианте 27 июля 2015 г.; опубликована 31 июля 2015 г.
Образец цитирования:
Hideaki Ujino, Tetsu Yajima, “A CA Hybrid of the Slow-to-Start and the Optimal Velocity Models and its Flow-Density Relation”, SIGMA, 11 (2015), 065, 10 pp.
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/sigma1046 https://www.mathnet.ru/rus/sigma/v11/p65
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