發(fā)布時(shí)間：2018-03-09 09:17

  本文選題：提前右轉(zhuǎn)　切入點(diǎn)：行人　出處：《吉林大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：目前，我國(guó)城市交叉口采取提前右轉(zhuǎn)組織方式已較為普遍。由于提前右轉(zhuǎn)組織方式與一般右轉(zhuǎn)組織方式存在較大組織差異，右轉(zhuǎn)機(jī)動(dòng)車和行人到達(dá)規(guī)律、穿越?jīng)Q策和沖突行為等已發(fā)生變化，在一般右轉(zhuǎn)組織方式研究中的基本假設(shè)和分析方法不能適用于提前右轉(zhuǎn)組織方式，有必要對(duì)提前右轉(zhuǎn)組織方式下右轉(zhuǎn)機(jī)動(dòng)車與行人的沖突特性進(jìn)行研究。本文完成的主要工作包括： （1）根據(jù)城市交叉口提前右轉(zhuǎn)組織方式的應(yīng)用現(xiàn)狀，針對(duì)提前右轉(zhuǎn)方式下交通流的運(yùn)行特性，提出了提前右轉(zhuǎn)機(jī)動(dòng)車與行人沖突特性研究的必要性，闡述了本文的研究目的和意義，并總結(jié)國(guó)內(nèi)外對(duì)右轉(zhuǎn)機(jī)動(dòng)車與行人沖突相關(guān)的研究方法，考慮不同研究方法的適用范圍，確定了提前右轉(zhuǎn)機(jī)動(dòng)車與行人沖突特性的研究方法，制訂了論文的結(jié)構(gòu)框架。 （2）通過分析在交叉口設(shè)計(jì)中常見的提前右轉(zhuǎn)方式的組織形式，，結(jié)合右轉(zhuǎn)機(jī)動(dòng)車和行人的運(yùn)行特性，給出了提前右轉(zhuǎn)組織方式的定義，并根據(jù)渠化方式的差異，對(duì)提前右轉(zhuǎn)組織方式進(jìn)行分類，同時(shí)通過分析提前右轉(zhuǎn)入口處提前右轉(zhuǎn)機(jī)動(dòng)車的運(yùn)行狀況，考慮不同因素對(duì)提前右轉(zhuǎn)機(jī)動(dòng)車的到達(dá)產(chǎn)生的影響，分別建立了直右混行式和右轉(zhuǎn)專用式提前右轉(zhuǎn)方式下提前右轉(zhuǎn)機(jī)動(dòng)車車頭時(shí)距分布模型。 （3）對(duì)比沖突區(qū)內(nèi)提前右轉(zhuǎn)機(jī)動(dòng)車與行人的延誤，分析沖突中交通流通行的優(yōu)先等級(jí)，確定了提前右轉(zhuǎn)方式下的道路通行權(quán)，并在此通行權(quán)下，研究了沖突區(qū)內(nèi)交通流的微觀運(yùn)行過程，針對(duì)直右混行式提前右轉(zhuǎn)組織方式，基于提前右轉(zhuǎn)機(jī)動(dòng)車與行人擁有平等通行權(quán)，描述了機(jī)動(dòng)車與行人的沖突機(jī)理并計(jì)算了沖突中提前右轉(zhuǎn)機(jī)動(dòng)車與行人的通行時(shí)間，針對(duì)右轉(zhuǎn)專用式前右轉(zhuǎn)組織方式，根據(jù)不同右轉(zhuǎn)機(jī)動(dòng)車的運(yùn)行狀態(tài)基于不同的通行規(guī)則，確定了飽和釋放段內(nèi)行人的通行能力和非飽和釋放段內(nèi)提前右轉(zhuǎn)機(jī)動(dòng)車與行人的通行時(shí)間。 （4）分析沖突區(qū)提前右轉(zhuǎn)機(jī)動(dòng)車與行人排隊(duì)等待和消散過程，建立了直右混行式和右轉(zhuǎn)專用式提前右轉(zhuǎn)方式的延誤計(jì)算模型，利用交叉口實(shí)測(cè)數(shù)據(jù)標(biāo)定了相關(guān)參數(shù)，并對(duì)延誤模型進(jìn)行驗(yàn)證，證明了本文研究方法的可靠性和適用性。同時(shí)通過運(yùn)用此延誤模型為提前右轉(zhuǎn)機(jī)動(dòng)車與行人設(shè)置信號(hào)控制提供依據(jù)，以提高沖突區(qū)運(yùn)行效率和行人安全為目的，計(jì)算了設(shè)置行人信號(hào)控制的臨界流量，為沖突區(qū)信號(hào)控制設(shè)置條件提供參考。 最后，總結(jié)了本文的主要研究成果以及研究過程中存在的不足，并制訂了下一步研究計(jì)劃。
[Abstract]:At present, it is quite common for urban intersections in our country to adopt the way of organizing ahead of time to turn right. Because there is a great difference between the mode of organization of advance right turn and that of general right turn, the law of right turning motor vehicle and pedestrian arrives, The traversing decision and conflict behavior have changed, so the basic assumptions and analytical methods in the research of general right-turn organization can not be applied to the pre-rightward organization. It is necessary to study the conflict characteristics between right turning vehicle and pedestrian in the early right turn organization mode. The main work accomplished in this paper is as follows:. 1) according to the present situation of the application of the early right turn organization at the city intersection, the necessity of the study on the conflict characteristics between the motor vehicle and the pedestrian is put forward in view of the traffic flow characteristics under the ahead right turn mode. This paper expounds the purpose and significance of this research, and summarizes the research methods related to the conflict between right-turn vehicles and pedestrians at home and abroad. Considering the applicable scope of different research methods, it determines the research methods of the characteristics of conflicts between right-to-right vehicles and pedestrians in advance. The structural framework of the thesis is worked out. 2) through analyzing the organization form of early right turn in intersection design, combining with the running characteristic of right turn vehicle and pedestrian, the definition of ahead right turn organization mode is given, and according to the difference of channelization mode, This paper classifies the organization mode of advance right turn, analyzes the running condition of advance right turn motor vehicle at the entrance of advance right turn, and considers the influence of different factors on the arrival of advance right turn motor vehicle. In this paper, the time distribution models of the front distance of the motor vehicle are established respectively under the direct right mixed mode and the right turn special way advance right turn mode. (3) comparing the delay between vehicles and pedestrians in conflict area, analyzing the priority of traffic flow in conflict, determining the right of road under the mode of early right turn, and under this right of way, The microscopic operation process of traffic flow in conflict zone is studied. Aiming at the direct right mixed mode of early right turning, the traffic rights of motor vehicles and pedestrians are equal. This paper describes the conflict mechanism between motor vehicle and pedestrian and calculates the passage time of motor vehicle and pedestrian in conflict. According to the special right turn mode, according to the operation state of different right turn motor vehicle, it is based on different traffic rules. The capacity of the pedestrian in the saturated release section and the passage time of the vehicle and pedestrian in the unsaturated release section are determined. (4) analyzing the queue waiting and dissipating process of vehicle and pedestrian in conflict area, the delay calculation model of straight right mixed mode and special right turn mode is established, and the relevant parameters are calibrated with the measured data of intersection. The delay model is verified, which proves the reliability and applicability of this method. At the same time, the delay model is used to provide the basis for the signal control of the vehicle and pedestrian in advance. In order to improve the operation efficiency and pedestrian safety of conflict zone, the critical flow rate of pedestrian signal control is calculated, which provides a reference for setting conditions of signal control in conflict zone. Finally, this paper summarizes the main research results and the shortcomings in the research process, and formulates the next research plan.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U491.23

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