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考慮交叉口優(yōu)先信號(hào)的小型路網(wǎng)交通控制與誘導(dǎo)協(xié)同優(yōu)化研究

發(fā)布時(shí)間:2018-04-04 22:36

  本文選題:優(yōu)先信號(hào) 切入點(diǎn):城市交通控制 出處:《西南交通大學(xué)》2014年碩士論文


【摘要】:隨著智能交通技術(shù)的發(fā)展,城市交通控制與城市交通誘導(dǎo)系統(tǒng)協(xié)同優(yōu)化這一新興技術(shù)已被認(rèn)為是緩解城市交通擁堵、提高城市交通運(yùn)行效率的可行手段之一。本文從現(xiàn)有的城市交通控制與城市交通誘導(dǎo)協(xié)同優(yōu)化理論出發(fā),加入交叉口優(yōu)先信號(hào)要素,研究在考慮交叉口優(yōu)先信號(hào)的條件下針對(duì)非優(yōu)先車輛的交通控制與交通誘導(dǎo)系統(tǒng)協(xié)同優(yōu)化的理論和方法,旨在確保優(yōu)先車輛按照優(yōu)先信號(hào)通過交叉口的前提下,通過對(duì)非優(yōu)先車輛采取交通控制和交通誘導(dǎo)系統(tǒng)協(xié)同優(yōu)化的手段,盡可能減少非優(yōu)先車輛在交叉口處的延誤和路網(wǎng)總行程時(shí)間,以減少優(yōu)先車輛對(duì)非優(yōu)先車輛的影響。本文的主要內(nèi)容如下: 首先,在分析車流運(yùn)動(dòng)特征和現(xiàn)有系統(tǒng)邏輯架構(gòu)的基礎(chǔ)上,研究了交叉口優(yōu)先車輛信號(hào)控制、交叉口普通車輛信號(hào)控制和城市交通誘導(dǎo)系統(tǒng)協(xié)同優(yōu)化的可行性,分析了影響協(xié)同策略的主要因素,提出優(yōu)先車輛對(duì)普通車輛在不同影響程度下的協(xié)同策略,并給出考慮交叉口優(yōu)先信號(hào)的交通控制與交通誘導(dǎo)協(xié)同體系結(jié)構(gòu); 然后,在分析現(xiàn)有的幾種常用交通控制與誘導(dǎo)系統(tǒng)協(xié)同模型在考慮交叉口優(yōu)先信號(hào)條件下的適應(yīng)性的基礎(chǔ)上,提出了考慮交叉口優(yōu)先信號(hào)的交通控制與交通誘導(dǎo)雙層規(guī)劃協(xié)同模型的具體形式,指出了該協(xié)同模型由交通控制模型、交通誘導(dǎo)模型和路徑選擇模型構(gòu)成,并給出了該模型的優(yōu)化思路和基于現(xiàn)有理論及遺傳算法的求解方法; 在此之后,以成都市某實(shí)際小型路網(wǎng)為算例,將實(shí)際數(shù)據(jù)代入該協(xié)同模型計(jì)算,并將計(jì)算結(jié)果與根據(jù)實(shí)際情況的仿真結(jié)果進(jìn)行顯著性分析比較,說明了該模型的有效性; 最后,對(duì)全文工作進(jìn)行了總結(jié),并對(duì)論文的后續(xù)研究工作提供建議。 以上研究成果對(duì)研究特定條件下的交通控制與交通誘導(dǎo)系統(tǒng)協(xié)同優(yōu)化、路網(wǎng)交通信息發(fā)布、緩解城市交通擁堵、提高城市交通運(yùn)行效率、提高城市不同交通管理系統(tǒng)間的數(shù)據(jù)共享等方面具有一定的參考價(jià)值。
[Abstract]:With the development of intelligent traffic technology, the new technology of coordinated optimization of urban traffic control and urban traffic guidance system has been considered as one of the feasible means to alleviate urban traffic congestion and improve the efficiency of urban traffic operation.Based on the existing theory of urban traffic control and urban traffic guidance coordination optimization, this paper adds the priority signal elements of intersection.This paper studies the theory and method of coordinated optimization of traffic control and traffic guidance system for non-priority vehicles under the condition of considering priority signals at intersections in order to ensure that priority vehicles pass through intersections according to priority signals.In order to reduce the impact of priority vehicles on non-priority vehicles, traffic control and traffic guidance system are used to optimize traffic control and traffic guidance system in order to reduce the delay of non-priority vehicles at intersections and the total travel time of road network as much as possible.The main contents of this paper are as follows:Firstly, on the basis of analyzing the characteristics of the traffic flow and the logic structure of the existing system, the feasibility of the traffic signal control at the intersection priority, the signal control of the common vehicle at the intersection and the coordinated optimization of the urban traffic guidance system are studied.This paper analyzes the main factors that affect the coordination strategy, puts forward the coordination strategy of priority vehicles to ordinary vehicles in different degrees, and presents the traffic control and traffic guidance coordination architecture considering the priority signals at intersections.Then, on the basis of analyzing the adaptability of several common traffic control and guidance system cooperation models under the condition of intersection priority signal,This paper puts forward the concrete form of traffic control and traffic guidance bilevel programming cooperation model considering intersection priority signal, and points out that the coordination model is composed of traffic control model, traffic guidance model and path selection model.The optimization idea of the model and the solving method based on the existing theory and genetic algorithm are also given.After that, taking a practical small road network in Chengdu as an example, the actual data is added to the collaborative model, and the results are compared with the results of simulation according to the actual situation, and the effectiveness of the model is proved.Finally, the paper summarizes the work of the paper and provides suggestions for the follow-up work.The above research results can optimize traffic control and traffic guidance system under specific conditions, release road network traffic information, alleviate urban traffic congestion and improve urban traffic operation efficiency.Improving the data sharing among different traffic management systems has certain reference value.
【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】:2014
【分類號(hào)】:U491.54;U495

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