本文選題：多品種流　切入點(diǎn)：交通擁堵　出處：《西南交通大學(xué)》2015年碩士論文

【摘要】：隨著國(guó)家的發(fā)展,城市化的推進(jìn)成為如今城鎮(zhèn)發(fā)展的主要趨勢(shì),因此城市人口的劇增帶來了經(jīng)濟(jì)的迅猛發(fā)展,城市機(jī)動(dòng)車保有量也呈倍數(shù)的在增長(zhǎng),出行需求亦在增加,這便使得交通擁堵成為世界各個(gè)國(guó)家在發(fā)展過程中面臨最為普遍的交通問題,因此尋找緩解城市交通擁堵壓力已成為目前亟待解決的交通問題。但是由于城市規(guī)模發(fā)展以及城市道路建設(shè)的不可逆轉(zhuǎn)性,導(dǎo)致目前通過新建道路來滿足日益增長(zhǎng)的交通需求具有局限性,所以如何尋找有效的緩解擁堵的方法成為城市發(fā)展的關(guān)鍵所在。本文提出的基于多品種流方法對(duì)城市擁堵路段分流,主要是從理論角度出發(fā),先將擁堵路段的交通流根據(jù)起訖點(diǎn)(Original-Destination)進(jìn)行劃分成不同的品種流,在不影響其余路段運(yùn)行狀態(tài)且分流目標(biāo)流繞行距離最短的原則下,將擁堵路段的部分交通流分配到其余路段上,以此來緩解擁堵路段的交通壓力。本文首先通過對(duì)城市路段擁堵的成因、特性等進(jìn)行了分析研究,為本文奠定了理論基礎(chǔ),然后分析了較為常用的路段擁堵識(shí)別方法的優(yōu)缺點(diǎn),選擇了指標(biāo)體系法作為本文的路段擁堵識(shí)別方法；接著本文通過對(duì)比單一品種流和多品種流問題的區(qū)別以及對(duì)傳統(tǒng)多品種流問題的數(shù)學(xué)模型進(jìn)行研究,提出了何為多品種流問題,同時(shí)結(jié)合多品種流與城市路段交通流的關(guān)系,分析了二者之間的關(guān)聯(lián)性,由此得到將多品種流運(yùn)用于城市擁堵路段分流這一問題中是可行的；接著對(duì)城市擁堵路段的交通流組成進(jìn)行分析,分析得到路段交通流的起點(diǎn)和終點(diǎn),并進(jìn)一步提出了城市擁堵路段品種流的劃分方法,定義出路網(wǎng)的交通流以及路段的交通流的品種流類型；最后在確定本文的分流原則基礎(chǔ)上,基于連續(xù)最短路算法以及Ford-Fulkerson算法設(shè)計(jì)了本文的交通擁堵分流方案,并通過算例證明了方法的可行性,通過VISSIM對(duì)算例進(jìn)行仿真證明了方法的有效性。
[Abstract]:With the development of the country, urbanization has become the main trend of urban development, so the rapid growth of urban population has brought about rapid economic development, the number of urban motor vehicles is also increasing exponentially, and the demand for travel is also increasing.This makes traffic congestion become the most common traffic problem in the process of development of every country in the world, so finding to alleviate the pressure of urban traffic congestion has become a traffic problem to be solved urgently.However, due to the development of urban scale and the irreversibility of urban road construction, it is limited to meet the increasing traffic demand through newly built roads.Therefore, how to find an effective way to alleviate congestion has become the key to urban development.In this paper, based on the method of multi-variety flow, the traffic flow of congested sections is divided into different species flows according to original-Destination.Under the principle of not affecting the running state of the other sections and diverting the target flow around the shortest distance, the traffic flow of the congested section is allocated to the other sections to relieve the traffic pressure of the congested section.In this paper, firstly, the causes and characteristics of urban road congestion are analyzed, which lays a theoretical foundation for this paper, and then analyzes the advantages and disadvantages of common road congestion identification methods.The index system method is selected as the road congestion identification method in this paper. Then, by comparing the difference between the single variety flow and the multi-variety flow problem and studying the mathematical model of the traditional multi-variety flow problem,At the same time, the relationship between multi-variety flow and urban traffic flow is analyzed, and it is concluded that it is feasible to use multi-variety flow in urban congested road diversion.Then the composition of traffic flow in urban congested sections is analyzed, and the starting point and end point of traffic flow are obtained, and the method of classifying the traffic flow of urban congested sections is put forward.The traffic flow of outlet network and the type of traffic flow in road sections are defined. Finally, the traffic congestion diversion scheme is designed based on continuous shortest path algorithm and Ford-Fulkerson algorithm.The feasibility of the method is proved by an example, and the validity of the method is proved by VISSIM simulation.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U491

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本文編號(hào)：1714912