發(fā)布時間：2018-03-28 14:51

  本文選題：城市交通系統(tǒng)　切入點：信號控制　出處：《青島科技大學》2015年碩士論文

【摘要】：近年來,隨著我國經(jīng)濟的健康發(fā)展,城鎮(zhèn)化速度明顯加快,大中城市的交通擁堵問題日益嚴重,已經(jīng)引起了廣泛關(guān)注。交叉口是不同方向的道路交匯之地,也是最容易發(fā)生交通擁堵的地方。提高城市交通運行效率的措施有很多,其中最行之有效的方法是設(shè)計合理的交通信號控制策略。實際交通控制過程中,城市道路上的交通流具有很強的非線性和復雜性。利用現(xiàn)有的道路資源,如何將先進的控制方法應用到城市交叉口信號控制中已經(jīng)成為一個亟需解決的問題。本文考慮時間延誤因素,提出了基于延誤的定時信號控制算法。進一步,根據(jù)城市交通具有重復性和周期性的特點,提出了將迭代學習控制方法應用到交叉口信號控制中,取得了較好的控制效果。本文的主要內(nèi)容及創(chuàng)新點如下：1.論文深入分析了城市信號控制的特點和難點,介紹了城市信號控制領(lǐng)域的發(fā)展現(xiàn)狀與實際應用情況。著重研究了信號控制中的主要控制參數(shù)和評價指標。通過對經(jīng)典信號控制系統(tǒng)原理和配時方案研究,確定了以模型建立和信號控制設(shè)計為基礎(chǔ)的研究策略。2.為準確描述交通流變化,建立了城市信號控制的宏觀交通模型,并分析速度—流量模型在城市交叉口的信號方案設(shè)計與仿真研究中的重要性。研究了信號控制下車輛在十字路口處的運行規(guī)律,提出了基于延誤時間的定時信號控制方法,結(jié)合交通仿真工具VISSIM完成了三相位信號配時的設(shè)計工作。利用VISSIM微觀交通工具進行路網(wǎng)的建立,并實現(xiàn)了實時交通流模擬仿真,仿真結(jié)果驗證所提出方法的有效性。3.結(jié)合城市交叉口系統(tǒng)的重復性和周期性的特點,利用均衡控制的思想,以各相位排隊長度差值作為系統(tǒng)輸出,提出了基于迭代學習控制的信號控制方法。與傳統(tǒng)的定時控制不同,基于迭代學習的交通控制可以依據(jù)以前周期的實時交通運行狀況進行信號方案調(diào)整。借助交通仿真工具VISSIM完成本文提出的控制算法的仿真驗證。從仿真結(jié)果可以看出,城市信號燈配時的迭代學習控制方法在車輛排隊長度差值、車輛運行總量以及車輛平均延誤等性能指標上都要優(yōu)于定時信號控制,從而表明本文提出的方法非常適合解決城市交通擁堵問題。
[Abstract]:In recent years, with the healthy development of our country's economy, the speed of urbanization is quickening obviously, and the traffic congestion problem in large and medium-sized cities is becoming more and more serious, which has aroused widespread concern. The intersection is a place where the roads meet in different directions. There are many measures to improve the efficiency of urban traffic operation. The most effective method is to design reasonable traffic signal control strategy. In the actual traffic control process, Traffic flows on urban roads are highly nonlinear and complex. How to apply advanced control methods to the signal control of urban intersections has become a problem that needs to be solved. In this paper, a timing signal control algorithm based on delay is proposed considering the factors of time delay. According to the reproducibility and periodicity of urban traffic, the iterative learning control method is applied to the intersection signal control. The main contents and innovations of this paper are as follows: 1.The paper deeply analyzes the characteristics and difficulties of urban signal control. This paper introduces the development status and practical application of urban signal control field. The main control parameters and evaluation indexes in signal control are emphatically studied. The principle and timing scheme of classical signal control system are studied. The research strategy based on model building and signal control design is determined. 2. In order to accurately describe the change of traffic flow, the macro traffic model of urban signal control is established. The importance of velocity-flow model in the signal scheme design and simulation of urban intersections is analyzed. The running rule of vehicles at intersections under signal control is studied, and a timing signal control method based on delay time is proposed. Combined with the traffic simulation tool VISSIM, the design of the three-phase signal timing is completed. The road network is built by using the VISSIM microscopic vehicle, and the real-time traffic flow simulation is realized. The simulation results verify the effectiveness of the proposed method. 3. Combined with the repeatability and periodicity of the urban intersection system, using the idea of equalization control, the difference of the queue length of each phase is taken as the output of the system. A signal control method based on iterative learning control is proposed. The traffic control based on iterative learning can adjust the signal scheme according to the real-time traffic condition of the previous cycle. The simulation verification of the control algorithm proposed in this paper is completed with the aid of the traffic simulation tool VISSIM. The simulation results can be seen from the simulation results. The iterative learning control method of city signal lamp timing is superior to the timing signal control in terms of vehicle queue length difference, total vehicle running amount and vehicle average delay, etc. The results show that the method proposed in this paper is very suitable to solve the problem of urban traffic congestion.
【學位授予單位】：青島科技大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：U491.54;TP391.9

【相似文獻】

相關(guān)期刊論文 前10條

1 劉麗莎;王亞;;基于VISSIM的交通微觀仿真探討[J];交通科技;2006年03期

2 秦雅琴;熊堅;;基于VISSIM仿真系統(tǒng)的城市路網(wǎng)評價——以昆明城市路網(wǎng)整治為例[J];昆明理工大學學報(理工版);2006年06期

3 孫立勇;廣曉平;馬文鈺;;VISSIM仿真系統(tǒng)在商業(yè)步行街交通影響評價中的應用[J];西部交通科技;2009年05期

4 毛順茂;查偉雄;陳志鋼;;VISSIM軟件對某市地鐵出入口交通的仿真分析與應用[J];科技廣場;2011年06期

5 孫璐;丁愛民;錢軍;李根;;基于VISSIM仿真模擬的道路改造方案評價[J];公路交通科技;2012年06期

6 李碩;高巖;張建龍;楊陽;;基于VISSIM仿真的內(nèi)側(cè)左轉(zhuǎn)車流延誤分析[J];交通運輸系統(tǒng)工程與信息;2012年04期

7 呂貞;李成兵;;VISSIM仿真軟件在“交通管理與控制”實驗教學中的應用[J];科技視界;2013年18期

8 汪瀅;張興強;胡顯文;;基于VISSIM的交叉口交通改善方案適應性研究[J];公路與汽運;2013年05期

9 許倫輝;高雅雋;;VISSIM下環(huán)交的信號控制仿真和配時優(yōu)化設(shè)計[J];廣西師范大學學報(自然科學版);2014年01期

10 柳祖鵬;許彩霞;張獻峰;;基于VISSIM仿真系統(tǒng)構(gòu)建3D交通環(huán)境[J];城市交通;2008年04期

相關(guān)會議論文 前8條

1 胡智敏;;基于VISSIM仿真技術(shù)的交通擁堵收費效果驗證[A];第八屆中國智能交通年會論文集[C];2013年

2 孫浩;鄭小燕;張衛(wèi)華;;基于VISSIM仿真的畸形交叉口延誤分析及優(yōu)化設(shè)計[A];2007第三屆中國智能交通年會論文集[C];2007年

3 周永順;朱中;楊雅鈞;馮遠宏;;基于模擬信號機和VISSIM的仿真系統(tǒng)[A];2008第四屆中國智能交通年會論文集[C];2008年

4 劉洋;羅一鳴;;VISSIM在城市道路交叉口的應用[A];構(gòu)建生態(tài)人文交通 促進經(jīng)濟跨越發(fā)展——第十九屆海峽兩岸都市交通學術(shù)研討會論文選編[C];2011年

5 韓偉;陳艷艷;;突發(fā)事件情況下失效路段與相關(guān)路段的相關(guān)性研究[A];第二屆中國智能交通年會論文集[C];2006年

6 熊娟;張輝;;VISSIM與Synchro在交叉口優(yōu)化中的結(jié)合應用[A];2008第四屆中國智能交通年會論文集[C];2008年

7 丁U，

本文編號：1676801