本文選題：交通工程 + 右轉(zhuǎn)機(jī)動(dòng)車��； 參考：《南京理工大學(xué)》2017年碩士論文

【摘要】：隨著經(jīng)濟(jì)的發(fā)展,行人交通安全問題日趨嚴(yán)重。目前我國城市道路行人過街交通狀況較差,步行交通方式死亡人數(shù)居高不下,特別在一些信號(hào)交叉口,右轉(zhuǎn)機(jī)動(dòng)車的轉(zhuǎn)彎行為不受信號(hào)控制,容易與過街行人發(fā)生沖突,甚至發(fā)生交通事故,造成整個(gè)交叉口效率低下,進(jìn)而影響整個(gè)路網(wǎng),因此過街行人安全問題必須引起重視。本文首先分析我國信號(hào)交叉口行人過街狀況,介紹了現(xiàn)有的行人與右轉(zhuǎn)機(jī)動(dòng)車沖突國內(nèi)外研究現(xiàn)狀�；谛腥诉^街交通特性和右轉(zhuǎn)機(jī)動(dòng)車交通特性,深入剖析人車沖突特性,確定行人與右轉(zhuǎn)機(jī)動(dòng)車沖突區(qū)域,并按照行人過街類型將沖突分為A、B、C、D、E五類。采用視頻檢測法調(diào)查典型交叉口,依據(jù)行人和右轉(zhuǎn)車交通沖突數(shù)據(jù),研究沖突對(duì)二者交通特性的影響。同時(shí)建立右轉(zhuǎn)機(jī)動(dòng)車與行人沖突嚴(yán)重度模型,計(jì)算所調(diào)查交叉口沖突嚴(yán)重度。然后基于沖突特性和沖突嚴(yán)重度分析,從研究右轉(zhuǎn)機(jī)動(dòng)車輛的轉(zhuǎn)彎過程和決策過程出發(fā),提出右轉(zhuǎn)機(jī)動(dòng)車與行人沖突運(yùn)動(dòng)過程綜合仿真模型,包括右轉(zhuǎn)機(jī)動(dòng)車軌跡、速度模型和可接受間隙模型,研究人車沖突相互作用過程,并通過VISSIM仿真,驗(yàn)證模型有效性。最后對(duì)交叉口安全提升對(duì)策進(jìn)行研究。以中山門大街-勝利村路交叉口為例,運(yùn)用仿真模型對(duì)改善后交叉口進(jìn)行仿真,對(duì)仿真結(jié)果進(jìn)行分析,發(fā)現(xiàn)交叉口安全性得到了提高,驗(yàn)證了模型評(píng)價(jià)交叉口改善措施的有效性。
[Abstract]:With the development of economy, pedestrian traffic safety is becoming more and more serious. At present, the condition of pedestrian crossing traffic on urban roads in our country is poor, and the death toll of walking traffic mode is high. Especially at some signalized intersections, the turning behavior of right-turn motor vehicles is not controlled by signals, so it is easy to conflict with pedestrians crossing the street. Even traffic accidents lead to the low efficiency of the intersection, and then affect the whole road network. Therefore, the safety of pedestrians across the street must be paid more attention to. This paper first analyzes the pedestrian crossing situation at signalized intersections in China, and introduces the current research status of pedestrian and right-turn vehicle conflicts at home and abroad. Based on pedestrian traffic characteristics and right-turn vehicle traffic characteristics, the conflict area between pedestrians and right-turn motor vehicles is determined, and the conflicts are classified into five categories according to pedestrian crossing type. A video detection method was used to investigate the traffic characteristics of typical intersections, and based on the traffic conflict data of pedestrians and right-hand interchanges, the effects of conflicts on traffic characteristics were studied. At the same time, the conflict severity model of right-turn vehicle and pedestrian is established to calculate the conflict severity of intersection investigated. Then, based on the analysis of conflict characteristics and conflict severity, a comprehensive simulation model of right-turn motor vehicle and pedestrian conflict motion process, including right-turn vehicle trajectory, is proposed from the point of view of studying the turning process and decision-making process of right-turn motor vehicle. The velocity model and acceptable clearance model are used to study the interaction process of vehicle and human conflict. The simulation results of VISSIM show that the model is effective. Finally, the safety promotion countermeasures of intersection are studied. Taking the intersection of Zhongshanmen Street and Shengli Village Road as an example, the simulation model is used to simulate the improved intersection, and the simulation results are analyzed, and it is found that the security of the intersection has been improved. The effectiveness of the model to evaluate the intersection improvement measures is verified.
【學(xué)位授予單位】：南京理工大學(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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