南宁市中心区域交通动态调控技术
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摘要
由于南宁市会展中心周边交通吸引点的集中,导致交通拥堵不断趋于严重。传统的区域交通总量调控的手段涉及多元利益权衡。提出了一种通过反馈门的交通控制的方式动态控制南宁市中心区的交通总量,同时通过交通管理的方式实现车流的合理导向,达到车流在时间和空间上的均衡。借助微观仿真手段并进行了实验测试,结果证明实施反馈门区域控制后,区域内交通量虽然有所降低,但车辆平均速度有所增加,车辆平均旅行时间减少,区域的整体通行效率得到了提高。
As the transportation develops rapidly, the traffic burden increases in downtown areas, especially in the areas of convention center, government building, and business & financial center, which exacerbates traffic congestion nearby. Conventional traffic control measures taken include stagger shifts, congestion charging, and tail number limit. Interests of multi aspects are involved in these measures, which has broad effect. The traffic managers now begin to ameliorate traffic burden by technical methods. A feedback-gate control based regional traffic volume control method was proposed and a microscopic simulation was adopted. This reasearch aims to ameliorate traffic pressure and balance traffic flow through traffic managing. The traffic flow control near the convention center area of Nanning was used as a case study for the experiment. The result demonstrates that the regional traffic efficiency increases though the traffic amount decreases, because the average velocity of vehicles increases, while the average passing time decreases.
As the transportation develops rapidly, the traffic burden increases in downtown areas, especially in the areas of convention center, government building, and business & financial center, which exacerbates traffic congestion nearby. Conventional traffic control measures taken include stagger shifts, congestion charging, and tail number limit. Interests of multi aspects are involved in these measures, which has broad effect. The traffic managers now begin to ameliorate traffic burden by technical methods. A feedback-gate control based regional traffic volume control method was proposed and a microscopic simulation was adopted. This reasearch aims to ameliorate traffic pressure and balance traffic flow through traffic managing. The traffic flow control near the convention center area of Nanning was used as a case study for the experiment. The result demonstrates that the regional traffic efficiency increases though the traffic amount decreases, because the average velocity of vehicles increases, while the average passing time decreases.
引文
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[2]郭敏,吴建平,杜怡曼.微观交通仿真基础理论及应用实例[M].北京:人民交通出版社,2012.Min Guo,Jianping Wu,Yiman Du.The Basic Theory of Microscopic Traffic Simulation and its Applications[M].Beijing:China Communications Press,2012.
[3]贾雨涵,吴建平,杜怡曼,等.FLOWSIM在深圳交通管理与评价中的应用研究[J].系统仿真学报,2015(8):1881-1887.Jia Yuhan,Wu Jianping,Du Yiman,et al.Application of FLOWSIM for Traffic Management and Assessment in Shenzhen[J].Journal of System Simulation,2015(8):1881-1887.
[4]Godfrey J W.The mechanism of a road network[J].Traffic Engineering and Control(S0041-0683),1969,11:323-327.
[5]Geroliminis N,Daganzo C F.Macroscopic modeling of traffic in cities[C].TRB 86th Annual Meeting,Washington D C.,2007.
[6]Geroliminis N,Daganzo C F.Existence of urban-scale macroscopic fundamental diagrams:some experimental findings[J].Transportation Research Part B(S0191-2615),2008,42:756-770.
[7]马莹莹.面向交通小区的交通控制策略研究[D].上海:同济大学.2010.Ma Yingying.Research on the traffic signal control systems based on the sub-network coordination[D].Shanghai:Tongji University.2010.
[8]Geroliminis N,Sun J.Properties of a well-defined macroscopic fundamental diagram for urban traffic[J].Transportation Research Part B(S0191-2615),2011,45:605-617.