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Base on the NaSch model, an improved single-lane cellular automaton traffic flow model for especial road is proposed via considering effects of curvature radii, arc length and friction factor on the vehicle movement. By numerical simulation for the traffic flow with different curvature radii, arc length and friction factor, it is found that our improved model can reflect accurately the influence of special sections of a road on the running vehicles, meanwhile visualize the complex nonlinear phenomenon traffic waves of alternate running and stopping as in actual traffics. The reflecting phenomenon in actual traffics indicates that traffic accidents and congestion can be avoided by increase the curvature radii, friction factor of road turning, the capacity of road can be enhanced also.
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Keywords:
- traffic flow /
- cellular automation /
- road turning /
- centripetal movement
[1] Chen X Y 2005 An Tutorial on University Physics (Volume 1) (Beijing: Tsinghua University Press) p17—18 (in Chinese) [陈信义 2005 大学物理教程(上册)(北京:清华大学出版社)第17—18页]
[2] Nagel K,Schreckenberg M 1992 J. Phys. I (France) 2 2221
[3] Biham O, Middleton A, Levine D 1992 Phys. Rev. A 46 R6124
[4] Barlovic R, Santen L, Schadschneider A, Schreckenberg M 1998 Eur. Phys. J. B 5 793
[5] Chowdhury D, Santer L, Schadschneider A 2000 Phys. Rep. 329 199
[6] Lei L, Xue Y, Dai S Q 2003 Acta Phys. Sin. 52 2121 (in Chinese) [雷 丽、薛 郁、戴世强 2003 物理学报 52 2121]
[7] Xiao R J, Kong L J, Liu M R 2007 Acta Phys. Sin. 56 740 (in Chinese) [肖瑞杰、孔令江、刘慕仁 2007 物理学报 56 740]
[8] Kang R, Peng L J,Yang K 2009 Acta Phys. Sin. 58 4514 (in Chinese) [康 瑞、彭莉娟、杨 凯 2009 物理学报 58 4514]
[9] Xue Y,Dong L Y,Dai S Q 2001 Acta Phys. Sin. 50 445 (in Chinese) [薛 郁、董力耘、戴世强 2001 物理学报 50 445]
[10] Zheng M L, Chen S F, Wang X C, Wang B G, Feng Z A, Gao J L 2005 Journal of Changan University (Natural Science Edition) 25 9 (in Chinese)[郑木莲、陈拴发、王选仓、王秉纲、冯治安、高建立 2005 长安大学学报(自然科学版) 25 9]
[11] Pan J X, Xue Y, Liang Y J, Tang T Q 2009 Chin. Phys. B 18 4169
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[1] Chen X Y 2005 An Tutorial on University Physics (Volume 1) (Beijing: Tsinghua University Press) p17—18 (in Chinese) [陈信义 2005 大学物理教程(上册)(北京:清华大学出版社)第17—18页]
[2] Nagel K,Schreckenberg M 1992 J. Phys. I (France) 2 2221
[3] Biham O, Middleton A, Levine D 1992 Phys. Rev. A 46 R6124
[4] Barlovic R, Santen L, Schadschneider A, Schreckenberg M 1998 Eur. Phys. J. B 5 793
[5] Chowdhury D, Santer L, Schadschneider A 2000 Phys. Rep. 329 199
[6] Lei L, Xue Y, Dai S Q 2003 Acta Phys. Sin. 52 2121 (in Chinese) [雷 丽、薛 郁、戴世强 2003 物理学报 52 2121]
[7] Xiao R J, Kong L J, Liu M R 2007 Acta Phys. Sin. 56 740 (in Chinese) [肖瑞杰、孔令江、刘慕仁 2007 物理学报 56 740]
[8] Kang R, Peng L J,Yang K 2009 Acta Phys. Sin. 58 4514 (in Chinese) [康 瑞、彭莉娟、杨 凯 2009 物理学报 58 4514]
[9] Xue Y,Dong L Y,Dai S Q 2001 Acta Phys. Sin. 50 445 (in Chinese) [薛 郁、董力耘、戴世强 2001 物理学报 50 445]
[10] Zheng M L, Chen S F, Wang X C, Wang B G, Feng Z A, Gao J L 2005 Journal of Changan University (Natural Science Edition) 25 9 (in Chinese)[郑木莲、陈拴发、王选仓、王秉纲、冯治安、高建立 2005 长安大学学报(自然科学版) 25 9]
[11] Pan J X, Xue Y, Liang Y J, Tang T Q 2009 Chin. Phys. B 18 4169
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