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According to the characteristics of railway line and NaSch model a cellular automata model for simulating multi-train tracking of railway curve is proposed. The computer numerical simulation is carried out and the influence of different curve radius, outer rail superelevation curve and curve length on railway traffic flow are studied using the propose model. Simulation results show that the model can reflect accurately traffic flow situation of the special line; and the train line curve has a great influence on the running safety and reveals the traffic wave phenomena in running and stopping. With increasing curve radius, train delay time decreases gradually according to the simulation results. Reasonable selection of curve radius, the outer rail superelevation and curve length can significantly improve the line capacity and reduce the wheel rail wear, so that these can guarantee the safety and comfort of the train running. The results have certain guiding significance for the railway line design and operational management.
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Keywords:
- traffic flow /
- cellular automata /
- railway curve /
- train
[1] Wolfram S 1983 Rev. Mod. Phys. 55 601
[2] Nagel K, Schreckenberg M 1992 J. Phys. I 2 2221
[3] Xue Y, Dong L Y, Dai S Q 2001 Acta Phys. Sin. 50 0445 (in Chinese) [薛郁, 董力耘, 戴世强 2001 50 0445]
[4] Tian H H, Xue Y, Kang S J, Liang Y J 2009 Acta Phys. Sin. 58 4507 (in Chinese) [田欢欢, 薛郁, 康三军, 梁玉娟 2009 58 4507]
[5] Sun Z, Jia B, Li X G 2012 Acta Phys. Sin. 61 100508
[6] Hua X D, Wang W, Wang H 2011 Acta Phys. Sin. 60 084502
[7] Zhao H T, Mao H Y 2013 Acta Phys. Sin. 62 060501
[8] Fang Y, Chen J Z 2013 Chin. Phys. B 22 108902
[9] Sun Y H, Cao C X, Xu Y, Wu C 2013 Chin. Phys. B. 22 120501
[10] Li K P, Gao Z Y, Ning B 2005 J. Comp. Phys. 209 179
[11] Li K P, Gao Z Y, Ning B 2005 Int. J. Mod. Phys. C 16 921
[12] Li F, Gao Z Y, Li K P 2007 Acta Phys. Sin. 56 3160 (in Chinese) [李峰, 高自友, 李克平 2007 56 3160]
[13] Zhou H L, Gao Z Y, Li K P 2006 Acta Phys. Sin. 55 1707 (in Chinese) [周华亮, 高自友, 李克平 2006 55 1707]
[14] Xun J, Ning B, Li K P 2007 Acta Phys. Sin. 56 5159 (in Chinese) [荀径, 宁滨, 李克平 2007 56 5159]
[15] Lang Y J, Xue Y 2010 Acta Phys. Sin. 59 5326 (in Chinese) [良玉娟, 薛郁 2010 59 5326]
[16] Zhang L D, Cao L, Zhu W X 2012 Acta Phys. Sin. 61 074501 (in Chinese) [张立东, 贾磊, 朱文兴 2012 61 074501]
[17] Yi S R 2009 Design of Railway location (3rd Ed.) (Chengdu: Southwest Jiao Tong University Press) pp96–113 (in Chinese) [易思蓉2009 铁路选线设计(第三版)(成都: 西南交通大学出版社) 第96–113页]
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[1] Wolfram S 1983 Rev. Mod. Phys. 55 601
[2] Nagel K, Schreckenberg M 1992 J. Phys. I 2 2221
[3] Xue Y, Dong L Y, Dai S Q 2001 Acta Phys. Sin. 50 0445 (in Chinese) [薛郁, 董力耘, 戴世强 2001 50 0445]
[4] Tian H H, Xue Y, Kang S J, Liang Y J 2009 Acta Phys. Sin. 58 4507 (in Chinese) [田欢欢, 薛郁, 康三军, 梁玉娟 2009 58 4507]
[5] Sun Z, Jia B, Li X G 2012 Acta Phys. Sin. 61 100508
[6] Hua X D, Wang W, Wang H 2011 Acta Phys. Sin. 60 084502
[7] Zhao H T, Mao H Y 2013 Acta Phys. Sin. 62 060501
[8] Fang Y, Chen J Z 2013 Chin. Phys. B 22 108902
[9] Sun Y H, Cao C X, Xu Y, Wu C 2013 Chin. Phys. B. 22 120501
[10] Li K P, Gao Z Y, Ning B 2005 J. Comp. Phys. 209 179
[11] Li K P, Gao Z Y, Ning B 2005 Int. J. Mod. Phys. C 16 921
[12] Li F, Gao Z Y, Li K P 2007 Acta Phys. Sin. 56 3160 (in Chinese) [李峰, 高自友, 李克平 2007 56 3160]
[13] Zhou H L, Gao Z Y, Li K P 2006 Acta Phys. Sin. 55 1707 (in Chinese) [周华亮, 高自友, 李克平 2006 55 1707]
[14] Xun J, Ning B, Li K P 2007 Acta Phys. Sin. 56 5159 (in Chinese) [荀径, 宁滨, 李克平 2007 56 5159]
[15] Lang Y J, Xue Y 2010 Acta Phys. Sin. 59 5326 (in Chinese) [良玉娟, 薛郁 2010 59 5326]
[16] Zhang L D, Cao L, Zhu W X 2012 Acta Phys. Sin. 61 074501 (in Chinese) [张立东, 贾磊, 朱文兴 2012 61 074501]
[17] Yi S R 2009 Design of Railway location (3rd Ed.) (Chengdu: Southwest Jiao Tong University Press) pp96–113 (in Chinese) [易思蓉2009 铁路选线设计(第三版)(成都: 西南交通大学出版社) 第96–113页]
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