本文關(guān)鍵詞：快速路匝道連接段交通信號(hào)協(xié)同控制關(guān)鍵技術(shù)研究　出處：《華南理工大學(xué)》2014年博士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 快速路 輔路 匝道控制 干道協(xié)調(diào) 遞階優(yōu)化 協(xié)同控制 VISSIM仿真

【摘要】：城市快速路是城市中大運(yùn)量快速交通干道，為了保證城市快速路“快速、暢通”的特性，交通管理部門(mén)通常在快速路入口匝道采取限流控制措施，以此抑制過(guò)大的快速路交通需求。此類方法雖然在一定程度上提高了快速路的運(yùn)行效率，但卻將擁堵轉(zhuǎn)移至與快速路銜接的城市輔路干道。入口匝道處車(chē)輛排隊(duì)延伸至地面道路，會(huì)嚴(yán)重影響地面道路交通的正常通行，本文在入口匝道控制研究的基礎(chǔ)上，針對(duì)干道協(xié)調(diào)控制的三個(gè)關(guān)鍵性問(wèn)題進(jìn)行研究，繼而基于遞階優(yōu)化思想，建立快速路匝道與多交叉口群控制準(zhǔn)系統(tǒng)最優(yōu)協(xié)同優(yōu)化模型，并進(jìn)行仿真和實(shí)例驗(yàn)證。完成的主要科研工作與研究成果概括如下： 首先，在詳細(xì)分析了國(guó)內(nèi)外城市快速路匝道控制的研究現(xiàn)狀及現(xiàn)有匝道研究方法的基礎(chǔ)之上，研究了快速路與輔路路面交叉口群的協(xié)同控制需求問(wèn)題，凝練了快速路匝道與輔路交叉口群協(xié)同控制的關(guān)鍵性問(wèn)題，并提出了快速路匝道與輔路交叉口群協(xié)同控制理念。 其次，對(duì)快速路匝道連接段類型、入口匝道控制的類型及控制效果進(jìn)行分析，研究了入口匝道的主線優(yōu)先控制、入口匝道交替通行和入口匝道信號(hào)控制策略，提出了基于支持向量機(jī)的入口匝道控制改進(jìn)算法，并通過(guò)對(duì)廣州市的實(shí)例分析，證明改進(jìn)算法可滿足城市快速路上不斷變化的交通控制需求。 然后，針對(duì)輔路干道協(xié)調(diào)控制的關(guān)鍵性問(wèn)題進(jìn)行了研究，在子區(qū)劃分方面，建立了子區(qū)劃分模型，確定了子區(qū)快速劃分的流程，并提出了協(xié)調(diào)控制子區(qū)動(dòng)態(tài)劃分方法；在考慮動(dòng)態(tài)紅燈排隊(duì)消散時(shí)間模型方面，提出了考慮動(dòng)態(tài)紅燈消散時(shí)間的相位差計(jì)算方法，并對(duì)MAXBAND模型進(jìn)行了改進(jìn)；在相位相序優(yōu)化方面，建立了左轉(zhuǎn)早斷與滯后相序?qū)挼挠绊懩Ｐ�。最后通過(guò)實(shí)例驗(yàn)證了上述三個(gè)相應(yīng)關(guān)鍵性問(wèn)題的解決方案的可行性。 接著，將遞階優(yōu)化思想引入?yún)f(xié)同控制，建立了快速路匝道與輔路多交叉口群控制的準(zhǔn)系統(tǒng)最優(yōu)協(xié)同優(yōu)化模型，考慮快速路匝道控制與交叉口群控制的協(xié)同關(guān)系，并考慮路網(wǎng)交通流擁擠程度的變化引起的兩者對(duì)交通流的不同役使作用，利用序參量公式，確定快速路匝道控制與交叉口群控制性能參數(shù)的加權(quán)系數(shù)，并通過(guò)有序度函數(shù)進(jìn)行優(yōu)化。在模型求解過(guò)程中，采用相鄰兩個(gè)控制周期作為一個(gè)大周期，提出了大周期下的控制策略優(yōu)化迭代計(jì)算方法，從而保證了控制策略的連續(xù)性和繼起性，實(shí)現(xiàn)了快速路匝道與路面交叉口群的動(dòng)態(tài)協(xié)同。 最后，選取廣州市內(nèi)環(huán)路一段為研究對(duì)象，根據(jù)對(duì)研究目標(biāo)的實(shí)際調(diào)查分析，構(gòu)建了快速路匝道與路面交叉口群協(xié)同控制仿真模型，對(duì)微觀交通仿真模型的各參數(shù)進(jìn)行了標(biāo)定，仿真模擬不同的交通狀況下的出入口匝道擁堵?tīng)顩r，，并分別針對(duì)協(xié)同方法以及不采取控制策略時(shí)進(jìn)行仿真比較，通過(guò)實(shí)例仿真驗(yàn)證了本文模型方法的可行性。
[Abstract]:City expressway is a large capacity rapid transit corridors in the city, in order to ensure the city expressway "fast, characteristic of smooth, usually taken in the traffic administrative department of the expressway entrance ramp current limiting control measures, in order to suppress the expressway traffic demand. This kind of method is to a certain extent and improve the operation efficiency of the expressway, but congestion transfer to the city roads and expressways connecting roads. Line extends to the ground road entrance ramp vehicles, will seriously affect the normal traffic traffic, based on the study of the entrance ramp control, research on the three key problems of arterial road coordinate control, then based on hierarchical optimization idea, establishing expressway ramp and multi intersection control group quasi system optimum collaborative optimization model, and the simulation and verification. The main research work and achievements Summarized as follows:
First of all, on the base of detailed analysis on domestic and foreign research status of city expressway on ramp control and the ramp of existing research methods, the research of collaborative control demand of Expressway and crossing the road intersection group, concise expressway ramp and auxiliary road intersection group cooperative control problem, and puts forward the expressway ramp and auxiliary road intersection group cooperative control concept.
Secondly, on the expressway ramp connection type, analysis type entrance ramp control and the control effect, the main line of the first entrance ramp control, entrance ramp and entrance ramp alternating traffic signal control strategy, put forward the entrance ramp support vector machine control based on improved algorithm, and through examples of analysis of Guangzhou certificate the improved algorithm can meet the demand of city expressway traffic control on changing.
Then, aiming at the key problems of auxiliary road coordination control are studied in the sub area division, established a sub area division model, the sub area division of the rapid process, and put forward the coordinated control sub area dynamic division method; considering the dynamic queue dissipation model, considering the phase dynamic light dispersing time difference calculation method, and the MAXBAND model was improved; in phase optimization, set up the left early break and lag phase on bandwidth model. Finally, the example verifies the feasibility of the solution of the three corresponding key problems.
Then, the hierarchical optimization theory into cooperative control, collaborative optimization model is established for the expressway ramp and auxiliary road intersection group control quasi system optimum, considering the expressway ramp control and intersection group synergy control, different slaving part considering the change of traffic flow in the road network congestion caused by the traffic flow, the use of the order parameter formula, determine the expressway ramp control and intersection group weighted coefficient of control parameters, and through the order function optimization. In the process of solving the model, the two adjacent control cycle as a cycle, is proposed to optimize the iterative control strategy and calculating method of large cycle, so as to ensure the continuity and following control strategy, to achieve the dynamic pavement of expressway ramp and intersection Group Co.
Finally, select a ring road in Guangzhou city as the research object, according to the practical investigation and Analysis on the research target, the construction of expressway ramp and road intersection group collaborative control simulation model, the parameters of microscopic traffic simulation model was calibrated, simulation of different traffic conditions under the ramp congestion, respectively. According to the collaborative method and do not take control strategies are simulated, the simulation proved the feasibility of this method.

【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級(jí)別】：博士
【學(xué)位授予年份】：2014
【分類號(hào)】：U491.54

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