本文關(guān)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(xué)》2016年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 城市主干路 元胞自動機(jī)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(jīng)常處于高負(fù)荷的運(yùn)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(fù)雜,嚴(yán)重時擁堵會蔓延到整個城市路網(wǎng),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(jī)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(shù)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(xiàn)象進(jìn)行研究,主要包括以下內(nèi)容:根據(jù)擁堵產(chǎn)生特點、傳播規(guī)律、嚴(yán)重程度對交通擁堵進(jìn)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(jù)不同路段車流特點,對城市主干路擁堵路段進(jìn)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(chǔ)上,對雙車道交通流元胞模型進(jìn)行改進(jìn),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(shù)特征,并對擁堵交通流進(jìn)行分類和狀態(tài)判斷;研究道路瓶頸處車輛排隊現(xiàn)象,并對路段上的典型擁堵類型進(jìn)行總結(jié),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(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：U491.265
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本文編號：1355840