基于排队论某交叉口交通信号配时分析与优化
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摘要
合肥市繁华大道与金寨南路交叉口是合肥市内交通流相对较大的交叉口,经实地调研发现该交叉口经常出现交通拥堵状况,在一个信号周期内有些相位的交通流不饱和,有些信号相位的交通流过饱和,信号配时情况急需改变.本文将不饱和与过饱和的交通流运用排队论依次进行分析研究,对不饱和与过饱和相位进行建模分析,并将已知数据代入,形成信号配时模型,最后运用lingo求解模型,并将优化后的延误状况与设计前的进行对比,以验证配时优化的可行性.
Intersection of Hefei Bustling Avenue and Jinzhai South Road is a relatively large intersection of traffic flow in Hefei.After field investigation,it is found that there are frequent traffic jams at the intersection.In some signal periods,some phases of traffic flow are not saturated,and some signal phase of the traffic flow saturated,the signal timing situation in urgent need of change.In this paper,the unsaturated and supersaturated traffic flow using knowledge of queuing theory in turn were analyzed and studied,the unsaturated and supersaturated phase modeling analysis,and the known data into the formation of the signal timing model,and finally the use of lingo model.And comparison the post-design delay status with the pre-design status verifies the feasibility of the timing design.
Intersection of Hefei Bustling Avenue and Jinzhai South Road is a relatively large intersection of traffic flow in Hefei.After field investigation,it is found that there are frequent traffic jams at the intersection.In some signal periods,some phases of traffic flow are not saturated,and some signal phase of the traffic flow saturated,the signal timing situation in urgent need of change.In this paper,the unsaturated and supersaturated traffic flow using knowledge of queuing theory in turn were analyzed and studied,the unsaturated and supersaturated phase modeling analysis,and the known data into the formation of the signal timing model,and finally the use of lingo model.And comparison the post-design delay status with the pre-design status verifies the feasibility of the timing design.
引文
[1]陈新,李勇义.交通工程系统分析方法[M].北京:国防工业出版社,2014:253.
[2]段敬琳.城市交通信号灯动态配时优化算法研究[J].沈阳大学学报,2014,8(2):12-16.
[3]章洵,杨伟.基于排队论原理的无信号控制交叉口运行状况分析[J].合肥工业大学学报,2013,3(1):45-49.
[4]夏学成.基于量子粒子群算法的多交叉口信号协调控制研究[J].广东工业大学学报,2014,10(3):78-83.
[5]付志培.邻近交叉路口信号灯的实时控制研究[J].上海理工大学学报,2012,4(2):89-93.
[6]蔡锦德.城市道路交叉口的信号配时优化研究[J].北京交通大学学报,2014,5(3):27-32.
[2]段敬琳.城市交通信号灯动态配时优化算法研究[J].沈阳大学学报,2014,8(2):12-16.
[3]章洵,杨伟.基于排队论原理的无信号控制交叉口运行状况分析[J].合肥工业大学学报,2013,3(1):45-49.
[4]夏学成.基于量子粒子群算法的多交叉口信号协调控制研究[J].广东工业大学学报,2014,10(3):78-83.
[5]付志培.邻近交叉路口信号灯的实时控制研究[J].上海理工大学学报,2012,4(2):89-93.
[6]蔡锦德.城市道路交叉口的信号配时优化研究[J].北京交通大学学报,2014,5(3):27-32.