资源描述：
《美国数学建模翻译》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Keywords:capacity;volume-velocitymodel;correlationfactors;trafficflowlaneoccupancyinfluencing on traffic capacity of urban roadAnalysisofFactorsInfluencingonTraffic CapacityAbstractLaneoccupancywillchangethetrafficcapacityoftheroad,haveanimpactonurban
2、traffic.Buildamathematicalmodeltoquantitativeanalyzetheinfluencefactorssuchasaccidentlocationandtrafficlanesoccupancyonurbantrafficflow.针对第一问，首先统计上下游路段通行量并换算成标准车当量，并引入实际问题修正系数，建立横截面实际通行能力动态模型，利用matlab编程计算，绘制交通事故横断面实际通行能力变化曲线，得到事故处理中事故点处通行能力为16.8pcu/mi
3、n,事故发生3min后开始出现堵塞。然后对小区路口车流量和车道宽度进一步分析，得到小区路口车流量与横断面通行能力不相关，以及横向干扰和车道宽度增加一个等级，通行能力分别平均下降5.6%和28%。Question1,thefirststatisticsontrafficvolumeandthedownstreamsegmentconvertedintoequivalentstandardcar,andtheintroductionofpracticalissuescorrectionfactor,t
4、heactualcapacitytoestablishacross-sectionofdynamicmodel,usingmatlabprogrammingcalculations,drawacrosstrafficaccident。Actualcapacitycurvesectiontoobtaintheaccidentprocessingcapacityatthepointoftheaccident16.8pcu/min,3minaftertheaccidentbegantoappearblo
5、cked.Thenthecelljunctionsandlanewidthfurthertrafficanalysis,trafficjunctionsandcross-sectionofthecellcapacityisnotrelevant,aswellaslanewidthtransverseinterferenceandincreaseonelevel,Thetrafficcapacitydecreasedby5.6%and28%respectiveThe cause of lane o
6、ccupation varies.Considering the dense traffic flow and good continuity of the urban roads,once lane occupation happens , it will reduce traffic capacity of all lanes , cause traffic jams and affect citizens' going out . A correct assessment of the d
7、egree to which the lane occupation influence the urban traffic will provide theoretical base for the decision made by the traffic administrative department . Problems needed solving according to the contents showed in the affix, investigate the two tr
8、affic accidents happened in the same part and cross section of the road and consider questions below :(1) according to video 1(affix 1), describe the changing process of the actual traffic capacity in the cross section where traffic acciden
