快速路合流區(qū)設(shè)計與交通控制關(guān)鍵指標研究
發(fā)布時間：2019-05-29 02:53
【摘要】：近年來,很多城市修建了大量的城市快速路來緩解城市內(nèi)的交通擁堵問題。在車量飽和度相對較低的情況下的確對城市道路擁堵等問題起到了很大的改良效果,但由于我國經(jīng)濟水平的普遍提升,私家車已逐步走進了家家戶戶,使得汽車保有量以井噴的狀況迅速增長。很多快速路在高峰時段也發(fā)生了十分嚴峻的交通擁堵問題,而這些擁堵主要集中在快速路的合流區(qū)部分。本論文以“城市快速路合流區(qū)設(shè)計與交通控制關(guān)鍵指標研究”為題目。首先通過采集交通監(jiān)控錄像和無人機航拍收集得到了合流區(qū)車輛運行視頻;利用AutoScope2004設(shè)備對合流區(qū)交通視頻進行處理統(tǒng)計,得到合流區(qū)交通運行數(shù)據(jù);通過對視頻資料進行人工觀測分析,得到快速路合流區(qū)交通行為特征;通過交通數(shù)據(jù)和交通行為特征分析總結(jié)出間隙接受理論的不足,并對合流區(qū)交通流Breakdown現(xiàn)象及其理論進行了簡要分析。其次利用交通流Breakdown理論的相關(guān)知識提出了快速路合流區(qū)設(shè)計與交通控制的研究方法,運用交通流Breakdown理論提出了快速路合流區(qū)設(shè)計與交通控制方法。就合流區(qū)設(shè)計而言,提出了合流區(qū)加速車道長度設(shè)計的計算方法:就合流區(qū)交通控制而言,研究了合流區(qū)匝道控制方法;針對流量控制提出了合流區(qū)匝道交通量閾值指標確定的計算方法;針對匯入控制建立了一種城市快速路升降式隔離樁匯入控制系統(tǒng);通過算例分析驗證了論文研究結(jié)論的可行性。最后本文依托元胞自動機理論借助MATLAB軟件對上述結(jié)果進行仿真驗證分析,仿真結(jié)果表明本文得出的結(jié)果科學(xué)合理。說明本文研究成果能為快速路合流區(qū)設(shè)計與交通控制方法提供一定的參考價值。
[Abstract]:In recent years, many cities have built a large number of urban express roads to alleviate the traffic congestion problem in the city. In the case of relatively low traffic saturation, it has indeed played a great role in improving urban road congestion and other problems, but due to the general improvement of the economic level of our country, private cars have gradually entered every household. As a result of the car ownership to blowout condition rapid growth. Many express roads also have serious traffic congestion problems during peak hours, which are mainly concentrated in the confluence area of the expressway. In this paper, the research on the key indexes of urban expressway confluence area design and traffic control is taken as the title. Firstly, the vehicle operation video in the confluence area is collected by collecting traffic monitoring video and drone aerial photography, and the traffic video in the confluence area is processed and counted by using AutoScope2004 equipment, and the traffic operation data in the confluence area is obtained. Through the manual observation and analysis of the video data, the traffic behavior characteristics of the confluence area of expressway are obtained. Based on the analysis of traffic data and traffic behavior characteristics, the shortcomings of gap acceptance theory are summarized, and the Breakdown phenomenon and theory of traffic flow in confluence area are briefly analyzed. Secondly, based on the relevant knowledge of traffic flow Breakdown theory, the research methods of expressway confluence zone design and traffic control are put forward, and the traffic flow Breakdown theory is used to put forward the design and traffic control method of expressway confluence zone. As far as the design of confluence zone is concerned, the calculation method of acceleration lane length design in confluence zone is put forward: as far as the traffic control in confluence zone is concerned, the ramp control method in confluence zone is studied. Aiming at the flow control, the calculation method of determining the threshold index of ramp traffic volume in confluence area is put forward, and a control system of lifting isolated pile in urban expressway is established for the import control. The feasibility of the research conclusion is verified by an example. Finally, based on the theory of cellular automata and MATLAB software, the above results are verified and analyzed, and the simulation results show that the results obtained in this paper are scientific and reasonable. It is shown that the research results in this paper can provide certain reference value for the design of confluence zone and traffic control method of expressway.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：U491
[Abstract]:In recent years, many cities have built a large number of urban express roads to alleviate the traffic congestion problem in the city. In the case of relatively low traffic saturation, it has indeed played a great role in improving urban road congestion and other problems, but due to the general improvement of the economic level of our country, private cars have gradually entered every household. As a result of the car ownership to blowout condition rapid growth. Many express roads also have serious traffic congestion problems during peak hours, which are mainly concentrated in the confluence area of the expressway. In this paper, the research on the key indexes of urban expressway confluence area design and traffic control is taken as the title. Firstly, the vehicle operation video in the confluence area is collected by collecting traffic monitoring video and drone aerial photography, and the traffic video in the confluence area is processed and counted by using AutoScope2004 equipment, and the traffic operation data in the confluence area is obtained. Through the manual observation and analysis of the video data, the traffic behavior characteristics of the confluence area of expressway are obtained. Based on the analysis of traffic data and traffic behavior characteristics, the shortcomings of gap acceptance theory are summarized, and the Breakdown phenomenon and theory of traffic flow in confluence area are briefly analyzed. Secondly, based on the relevant knowledge of traffic flow Breakdown theory, the research methods of expressway confluence zone design and traffic control are put forward, and the traffic flow Breakdown theory is used to put forward the design and traffic control method of expressway confluence zone. As far as the design of confluence zone is concerned, the calculation method of acceleration lane length design in confluence zone is put forward: as far as the traffic control in confluence zone is concerned, the ramp control method in confluence zone is studied. Aiming at the flow control, the calculation method of determining the threshold index of ramp traffic volume in confluence area is put forward, and a control system of lifting isolated pile in urban expressway is established for the import control. The feasibility of the research conclusion is verified by an example. Finally, based on the theory of cellular automata and MATLAB software, the above results are verified and analyzed, and the simulation results show that the results obtained in this paper are scientific and reasonable. It is shown that the research results in this paper can provide certain reference value for the design of confluence zone and traffic control method of expressway.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：U491
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