本文選題：浮動(dòng)車數(shù)據(jù)　切入點(diǎn)：信號(hào)控制路口　出處：《北方工業(yè)大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：因?yàn)槌鞘薪煌▎?wèn)題日益增多,要解決存在的交通問(wèn)題首先需要了解城市路網(wǎng)的運(yùn)行狀態(tài),所以本文對(duì)路網(wǎng)的運(yùn)行狀態(tài)進(jìn)行監(jiān)測(cè)研究,為解決交通問(wèn)題提供研究方法和數(shù)據(jù)支持。路網(wǎng)運(yùn)行狀態(tài)可分為路段運(yùn)行狀態(tài)和路口運(yùn)行狀態(tài),其中路段運(yùn)行狀態(tài)的監(jiān)測(cè)研究已經(jīng)相當(dāng)成熟,通過(guò)斷面數(shù)據(jù)可以計(jì)算得到路口的旅行時(shí)間等運(yùn)行狀態(tài)指標(biāo),從而對(duì)其運(yùn)行狀態(tài)進(jìn)行監(jiān)測(cè)評(píng)價(jià)。路口由于信號(hào)配時(shí)的作用,通過(guò)路段評(píng)價(jià)方法得到的路口運(yùn)行狀態(tài)指標(biāo)并不準(zhǔn)確。路口是交通需求和信號(hào)控制共同作用下的交通樞紐,其評(píng)價(jià)方法和路段的評(píng)價(jià)方法不同�；诖�,本文提出對(duì)信號(hào)控制路口運(yùn)行狀態(tài)監(jiān)測(cè)研究,一方面是路口運(yùn)行狀態(tài)評(píng)價(jià);另一方面是路口信號(hào)配時(shí)的評(píng)價(jià),具體包含以下幾方面的研究?jī)?nèi)容:(1)數(shù)據(jù)特征分析及預(yù)處理�；跀�(shù)據(jù)特征和本文對(duì)車輛有效軌跡需求的基礎(chǔ)上提出了數(shù)據(jù)預(yù)處理的方法和具體步驟,得到車輛的有效軌跡。(2)基于浮動(dòng)車數(shù)據(jù)的信號(hào)控制路口配時(shí)反推。首先對(duì)浮動(dòng)車原始做處理,得到配時(shí)反推所需的有效數(shù)據(jù),提出了基于紅燈-延誤模型的有效紅燈時(shí)長(zhǎng)反推,以及基于通過(guò)停止線時(shí)間分布的有效綠燈時(shí)長(zhǎng)和周期反推,并結(jié)合具體案例分析其反推結(jié)果。(3)信號(hào)控制路口運(yùn)行狀態(tài)在線監(jiān)測(cè)研究。首先選取合理的評(píng)價(jià)指標(biāo),并介紹評(píng)價(jià)指標(biāo)的計(jì)算方法,其次基于已經(jīng)得到的配時(shí)方案和交叉口運(yùn)行狀態(tài)指標(biāo),提出評(píng)價(jià)方案并建立信號(hào)控制路口評(píng)價(jià)體系。
[Abstract]:Because urban traffic problems are increasing day by day, in order to solve the existing traffic problems, it is necessary to understand the running state of the urban road network, so this paper studies the operation state of the road network. In order to solve the traffic problem, the research method and data support are provided. The road network running state can be divided into road running state and intersection running state, among which, the monitoring and research of road section running state has been quite mature. The running state indexes such as travel time and so on can be calculated by cross section data to monitor and evaluate the running state of intersection because of the function of signal timing. The road intersection is a traffic hub under the joint action of traffic demand and signal control, and the evaluation method is different from that of the road section. In this paper, the study of signal control intersection running state monitoring is put forward. On the one hand, it is the evaluation of intersection running state; on the other hand, it is the evaluation of intersection signal timing. Including the following aspects of research content: 1) data feature analysis and preprocessing. Based on the data features and the requirements of the vehicle effective trajectory, the paper puts forward the method and steps of data preprocessing. The effective track of the vehicle is obtained. (2) the signal based on the data of the floating vehicle is used to control the timing backstepping at the intersection. Firstly, the original processing of the floating vehicle is done, and the effective data needed for the timing backstepping are obtained, and the effective red light time backstepping based on the red-light delay model is proposed. And based on the effective green light time and cycle backstepping through the stop line time distribution, and combined with a specific case to analyze the result of backstepping, the online monitoring study of the running state of the intersection controlled by the signal is made. Firstly, the reasonable evaluation index is selected. The calculation method of evaluation index is introduced. Secondly, based on the available timing scheme and the running state index of intersection, the evaluation scheme is put forward and the evaluation system of signal-controlled intersection is established.
【學(xué)位授予單位】：北方工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：U491;TP274

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