本文關鍵詞：交通事故下城市主干路偶發(fā)性交通擁堵狀態(tài)研究　出處：《哈爾濱工業(yè)大學》2016年碩士論文　論文類型：學位論文

  更多相關文章： 城市主干路 元胞自動機理論 偶發(fā)交通擁堵 車輛排隊

【摘要】：隨著車流量激增,城市主干路經常處于高負荷的運行狀態(tài),突發(fā)性交通事件造成的交通擁堵對城市交通影響程度和范圍越來越大。并且由于擁堵交通流的狀態(tài)十分紊亂和復雜,嚴重時擁堵會蔓延到整個城市路網,容易引發(fā)交通事故。所以在車輛事故引起交通擁堵時,如何提高道路的可靠性無疑是緩解城市交通管理所面臨的重要問題。本文以交通事故下的交通擁堵為研究對象,利用元胞自動機理論,建立城市主干路交通擁堵條件下的交通流模型,通過數值模擬的研究方法對偶發(fā)性交通擁堵下的交通流特性以及擁堵現象進行研究,主要包括以下內容:根據擁堵產生特點、傳播規(guī)律、嚴重程度對交通擁堵進行分類;偶發(fā)性交通擁堵影響因素較多,本文重來點分析來車率、車型比例、警示區(qū)長度、道路瓶頸類型等因素對交通擁堵的影響;根據不同路段車流特點,對城市主干路擁堵路段進行區(qū)域劃分,并研究駕駛員在不同擁堵區(qū)域的車輛跟馳與換道行為的特點;在此基礎上,對雙車道交通流元胞模型進行改進,建立城市主干路偶發(fā)性交通擁堵模型,研究擁堵狀態(tài)下城市主干道交通流基本特性;分析不同影響因素下的擁堵交通流參數特征,并對擁堵交通流進行分類和狀態(tài)判斷;研究道路瓶頸處車輛排隊現象,并對路段上的典型擁堵類型進行總結,并提出控制措施。
[Abstract]:With the surge in traffic, city trunk road often in high load running, unexpected traffic incident caused by traffic congestion on the city traffic impact degree and scope of more and more. And because of the congestion state of traffic flow is disordered and complex, serious congestion will spread to the entire city road network, can easily lead to accidents. So caused traffic congestion in the traffic accident, how to improve the reliability of the road is undoubtedly an important issue to ease city traffic management faced. The traffic accident under traffic congestion as the research object, using the cellular automata theory, establish the model of traffic flow in city trunk road traffic conditions, traffic congestion of the traffic flow the characteristics and congestion by duality of numerical simulation method, which mainly includes the following content: according to the characteristics of Congestion Propagation, serious The degree of classification of traffic congestion; there are many factors influence the sporadic traffic jams, again analysis to car models proportion, warning rate, length, type and other factors influence the bottlenecks of traffic congestion; according to different traffic flow characteristics, the regional division of the city trunk road congestion, and study the characteristics in different congestion the car following and lane changing behavior; on this basis, the two lane traffic flow cellular model is improved, the establishment of city trunk road sporadic traffic congestion model, the basic characteristics of city main road traffic flow of congestion; congestion of traffic flow parameters characteristics under different factors, and the traffic congestion flow classification and state estimation; queuing phenomenon research on road bottlenecks on the road vehicles, and the typical congestion types are summarized, and put forward the control measures.

【學位授予單位】：哈爾濱工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2016
【分類號】：U491.265
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本文編號：1355840