本文選題：干線綠波　切入點(diǎn)：干線協(xié)調(diào)　出處：《吉林大學(xué)》2015年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：近年來(lái)，隨著社會(huì)的不斷進(jìn)步以及汽車(chē)工業(yè)的迅猛發(fā)展，城市道路出現(xiàn)的交通擁擠、阻塞等現(xiàn)象和問(wèn)題日益增多。另外，我國(guó)城市化進(jìn)程的速度逐步加快，城市人口規(guī)模和小汽車(chē)保有量突飛增加，加劇了道路交通的擁堵，隨之帶來(lái)一系列交通和環(huán)境問(wèn)題。在城市道路網(wǎng)中，主干道路對(duì)于整個(gè)城市交通起著至關(guān)重要的作用。城市的大部分交通負(fù)荷都由主干道承擔(dān)，是交通網(wǎng)絡(luò)的主要載體，所以保證城市干道車(chē)流的順暢通行，對(duì)于提高城市道路網(wǎng)的總體通行能力、緩解城市路網(wǎng)交通壓力等方面都具有重要意義。 本文基于上述認(rèn)識(shí)，對(duì)干線綠波交通信號(hào)控制方法進(jìn)行了研究。首先對(duì)干線協(xié)調(diào)控制的作用和意義進(jìn)行了分析，闡述了相關(guān)的國(guó)內(nèi)外研究現(xiàn)狀。 然后，分析了現(xiàn)有的交通信號(hào)控制存在的問(wèn)題，并對(duì)線控系統(tǒng)的公共信號(hào)周期和綠燈時(shí)長(zhǎng)分配方法進(jìn)行了優(yōu)化。綜合考慮線控系統(tǒng)實(shí)施的條件和傳統(tǒng)的公共信號(hào)周期確定方法，實(shí)現(xiàn)對(duì)公共信號(hào)周期的優(yōu)化。引入非協(xié)調(diào)相位的飽和度概念，對(duì)非關(guān)鍵交叉口的綠燈時(shí)長(zhǎng)進(jìn)行優(yōu)化分配。 對(duì)線控系統(tǒng)的相位差進(jìn)行了優(yōu)化，建立了基于最大綠波帶傳統(tǒng)模型的改進(jìn)模型。首先介紹了綠波帶基本模型、擴(kuò)展模型和MULTIBAND模型的基本思想和模型構(gòu)成，總結(jié)現(xiàn)有模型存在的不足。針對(duì)傳統(tǒng)最大綠波帶模型存在的不足，本文對(duì)傳統(tǒng)模型進(jìn)行了改進(jìn)，提出了兩種改進(jìn)模型，一種是基于綠波帶形式的改進(jìn)模型，使得綠波帶的帶寬形式得以擴(kuò)展；另一種是基于不同帶寬需求的改進(jìn)模型，，引入了帶寬分配影響因素，與帶寬需求比例相結(jié)合，對(duì)綠波帶寬進(jìn)行優(yōu)化。最后可以利用相關(guān)關(guān)系求得干線協(xié)調(diào)控制系統(tǒng)的相位差。 最后，對(duì)長(zhǎng)春市新民大街沿線多個(gè)交叉口進(jìn)行了干線協(xié)調(diào)優(yōu)化，并運(yùn)用VISSIM交通仿真軟件進(jìn)行了仿真驗(yàn)證，仿真結(jié)果表明，實(shí)行干道協(xié)調(diào)信號(hào)控制的車(chē)輛延誤明顯小于單點(diǎn)信號(hào)配時(shí)控制，證明了本文方案的有效性。
[Abstract]:In recent years, with the continuous progress of society and the rapid development of automobile industry, traffic congestion and congestion on urban roads are increasing day by day. The sudden increase in the size of the urban population and the number of cars held has exacerbated the traffic congestion on the roads and brought along a series of traffic and environmental problems. In the urban road network, The trunk road plays a vital role in the whole city traffic. Most of the traffic load of the city is borne by the trunk road, which is the main carrier of the traffic network, so it ensures the smooth passage of the traffic flow on the urban trunk road. It is of great significance to improve the overall capacity of urban road network and alleviate the traffic pressure of urban road network. In this paper, the green wave traffic signal control method is studied based on the above knowledge. Firstly, the function and significance of the trunk line coordinated control are analyzed, and the current research situation at home and abroad is expounded. Then, the existing problems in traffic signal control are analyzed. The common signal period and green time allocation method of the wire control system are optimized, and the conditions for the implementation of the wire control system and the traditional method of determining the common signal period are considered synthetically. The concept of uncoordinated phase saturation is introduced to optimize the green light time at non-key intersections. The phase difference of the linear control system is optimized, and an improved model based on the traditional model of the maximum green band is established. Firstly, the basic model of the green band, the basic idea of the extended model and the MULTIBAND model are introduced. In view of the shortcomings of the traditional maximum green wave zone model, this paper improves the traditional model and puts forward two improved models, one is an improved model based on the form of green wave band. The other is an improved model based on different bandwidth requirements, which combines the influence factors of bandwidth allocation with the ratio of bandwidth demand. The green wave bandwidth is optimized and the phase difference of the coordinated control system can be obtained by using the correlation relation. Finally, several intersections along Xinmin Avenue in Changchun are optimized for trunk line coordination, and the simulation results show that, by using VISSIM traffic simulation software, The vehicle delay of coordinated signal control is obviously less than that of single point signal timing control, which proves the effectiveness of the proposed scheme.
【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(lèi)號(hào)】：U491.54

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