本文選題：交通控制　切入點(diǎn)：右轉(zhuǎn)交通沖突　出處：《山東理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：在我國機(jī)動(dòng)車保有量不斷激增和混合交通特征愈發(fā)明顯的情況下,平面交叉口儼然成為事故的多發(fā)地帶。因我國交通法規(guī)針對(duì)右轉(zhuǎn)車流不予信號(hào)控制,使得右轉(zhuǎn)機(jī)動(dòng)車與直行機(jī)動(dòng)車的匯入沖突、非機(jī)動(dòng)混合交通流的交叉沖突表現(xiàn)的越來越突出。為了改善平面交叉口的運(yùn)行效率,保障多方交通行為者的行駛安全性,本文主要通過分析信號(hào)控制交叉口的右轉(zhuǎn)機(jī)動(dòng)車與直行機(jī)動(dòng)車、直行非機(jī)動(dòng)混合交通流的沖突機(jī)理,對(duì)右轉(zhuǎn)系統(tǒng)控制進(jìn)行方法研究。本文對(duì)平面交叉口右轉(zhuǎn)沖突進(jìn)行界定和過程分析。首先,基于交叉口右轉(zhuǎn)沖突調(diào)查基礎(chǔ)上運(yùn)用數(shù)據(jù)統(tǒng)計(jì),解析和驗(yàn)證了交叉口直行車的交通流特性,確定了直右匯入沖突規(guī)律,建立了直右匯流車道通行能力模型。其次,對(duì)非機(jī)動(dòng)混合交通流在交叉口的運(yùn)行特性、飽和流率、速度進(jìn)行調(diào)查分析,建立了到達(dá)流率與右轉(zhuǎn)延誤的函數(shù)關(guān)系模型,從而確定了非機(jī)動(dòng)混合交通流集聚流部分成為右轉(zhuǎn)沖突主要因素。針對(duì)直右機(jī)動(dòng)車沖突、右轉(zhuǎn)機(jī)動(dòng)車與非機(jī)動(dòng)混合交通流沖突右轉(zhuǎn)信號(hào)控制方法進(jìn)行了研究。從沖突機(jī)理出發(fā)運(yùn)用直右匯流車道通行能力模型計(jì)算分析確立了直右機(jī)動(dòng)車沖突右轉(zhuǎn)信號(hào)控制的閾值。又根據(jù)非機(jī)動(dòng)混合交通流到達(dá)流率的不同對(duì)右轉(zhuǎn)沖突影響大小不一的特點(diǎn)進(jìn)行量化分析,共分為三種控制策略,即不開啟右轉(zhuǎn)控制、半開啟右轉(zhuǎn)控制和完全開啟右轉(zhuǎn)控制。研究確定非機(jī)動(dòng)混合交通流的飽和流率值為完全開啟狀態(tài)的右轉(zhuǎn)控制閾值;非機(jī)動(dòng)混合交通流到達(dá)流率與右轉(zhuǎn)延誤關(guān)系模型切點(diǎn)為右轉(zhuǎn)控制半開啟狀態(tài)控制的閾值,并分析半開啟控制的具體信號(hào)配時(shí)方法,在函數(shù)關(guān)系模型切點(diǎn)閾值以下不予右轉(zhuǎn)控制。右轉(zhuǎn)信號(hào)精細(xì)化控制為信號(hào)控制的科學(xué)有效性提供理論基礎(chǔ)。最終,將兩種控制方法整合成針對(duì)信號(hào)交叉口系統(tǒng)性的右轉(zhuǎn)控制方法。以實(shí)際路口為例運(yùn)用微觀交通仿真軟件VISSIM建立仿真模型,驗(yàn)證右轉(zhuǎn)控制方法的可靠有效性,采取了無右轉(zhuǎn)控制、右轉(zhuǎn)定周期控制、本文研究的右轉(zhuǎn)自適應(yīng)感應(yīng)控制三種控制方案進(jìn)行仿真對(duì)比。通過對(duì)比結(jié)果發(fā)現(xiàn),運(yùn)用本文的自適應(yīng)感應(yīng)控制方法,有利于緩解右轉(zhuǎn)沖突,減少?zèng)_突車流的行車延誤,提高了通行效率,為解決平面交叉口右轉(zhuǎn)沖突矛盾提供指導(dǎo)性依據(jù)。
[Abstract]:With the increasing number of motor vehicles in our country and the increasingly obvious characteristics of mixed traffic, intersections have become an accident prone zone. Because traffic regulations in China do not control traffic signals for right-turn traffic, In order to improve the operation efficiency of intersections and to ensure the safety of multiple traffic actors, the conflict between right-turn vehicles and direct vehicles is becoming more and more prominent, and the cross-conflict of non-motorized mixed traffic flows is becoming more and more prominent. This paper mainly analyzes the conflict mechanism between right-turn vehicle and direct motor vehicle at signal-controlled intersection, and direct non-motorized mixed traffic flow. The method of right-turn system control is studied. This paper defines and analyzes the right-turn conflict at intersection. Firstly, based on the survey of right-turn conflict at intersection, we use data statistics. This paper analyzes and verifies the traffic flow characteristics of the direct vehicle at the intersection, determines the law of the straight right confluence conflict, and establishes the capacity model of the straight right concourse lane. Secondly, for the operation characteristics of the non-motorized mixed traffic flow at the intersection, the saturated flow rate is obtained. The velocity is investigated and analyzed, and the function model of arrival rate and right-turn delay is established, and it is determined that the concentrated flow of non-motorized mixed traffic flow is the main factor of right-turn conflict. The right-turn signal control method of right-turn traffic conflict between right-turn motor vehicle and non-motorized mixed traffic flow is studied. Based on the conflict mechanism, the right-turn signal control of right-hand motor vehicle conflict is established by calculating and analyzing the traffic capacity model of the right-hand confluence lane. According to the different arrival rate of non-motorized mixed traffic flow, the impact of right-turn conflict is different. There are three control strategies, namely, not turning on right turn control, half turn on right turn control and full turn on right turn control. The saturation flow rate of non-motorized mixed traffic flow is determined to be a fully open right turn control threshold. The tangent point of the model of non-motorized mixed traffic flow arrival rate and right-turn delay is the threshold of right-turn control semi-open state control, and the signal timing method of semi-open control is analyzed. There is no right turn control below the tangent threshold of the function relation model. The precision control of the right turn signal provides the theoretical basis for the scientific validity of the signal control. The two control methods are integrated into a systematic right-turn control method for signalized intersections. Taking the actual intersection as an example, the simulation model is established by using the microscopic traffic simulation software VISSIM to verify the reliability and effectiveness of the right-turn control method, and the no-right-turn control is adopted. The right turn adaptive induction control is simulated and compared with the right turn adaptive induction control. The results show that the adaptive induction control method in this paper is helpful to alleviate the right turn conflict. It can reduce the traffic delay of conflict traffic, improve the traffic efficiency, and provide the guidance basis for solving the contradiction of right-turn conflict at intersection.
【學(xué)位授予單位】：山東理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：U491.23

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本文編號(hào)：1565603