本文選題：道路可視化仿真 + 底層路網(wǎng)　； 參考：《大連交通大學(xué)》2014年碩士論文

【摘要】：隨著城市的不斷發(fā)展和人們生活水平的提高,城市汽車保有量不斷上升,但是現(xiàn)有道路的承載力有限,城市道路的擴(kuò)展速度又遠(yuǎn)遠(yuǎn)跟不上汽車的增長速度,從而導(dǎo)致城市交通擁堵、交通混亂、環(huán)境污染等問題的產(chǎn)生。如何緩解這一矛盾成為需要迫切解決的問題。隨著計算機(jī)技術(shù)的發(fā)展和人們對城市道路交通系統(tǒng)的深入研究,應(yīng)用計算機(jī)技術(shù)對城市道路交通的管理和交通流監(jiān)測進(jìn)行仿真,不僅能對現(xiàn)有道路交通流進(jìn)行監(jiān)控和合理指引,而且能夠合理的評估未來交通規(guī)劃的方案,提出科學(xué)的規(guī)劃措施,既能夠改善交通狀況又避免了人力和財力上的浪費(fèi)。 本文是為開發(fā)城市道路交通仿真系統(tǒng)提供底層路網(wǎng)模型,在對城市道路系統(tǒng)模型進(jìn)行分析和研究的基礎(chǔ)上,為實現(xiàn)道路可視化描述提供一種新的方法,為道路可視化仿真提供理論基礎(chǔ)。 本文首先參考了國內(nèi)外道路交通仿真系統(tǒng)的發(fā)展?fàn)顩r,并且對現(xiàn)有的道路結(jié)構(gòu)和模型進(jìn)行了分析,然后從道路的幾何形態(tài)和邏輯結(jié)構(gòu)兩方面分別做出論述和研究。提出適合道路可視化仿真的幾何模型和數(shù)據(jù)結(jié)構(gòu)模型：幾何模型是應(yīng)用道路線型的理論將道路看做是多種線型的組合,定義交點(diǎn)坐標(biāo)根據(jù)線型方程指導(dǎo)道路走向；數(shù)據(jù)結(jié)構(gòu)模型包括了車道模型和復(fù)合節(jié)點(diǎn)模型,復(fù)合節(jié)點(diǎn)模型是針對道路交叉口提出的,能夠體現(xiàn)車道在交叉口的運(yùn)行軌跡。最后驗證了車道模型和復(fù)合節(jié)點(diǎn)模型的連接能共同完成對多種道路網(wǎng)絡(luò)的邏輯結(jié)構(gòu)的描述,并且利用Visual Studio2008對SQL Server2008數(shù)據(jù)庫初步實現(xiàn)了路網(wǎng)中車輛行駛路徑的查找和管理。本文提出的可視化仿真模型為現(xiàn)代城市道路仿真系統(tǒng)提供了理論參考。
[Abstract]:With the continuous development of the city and the improvement of people's living standard, the number of urban cars is increasing, but the carrying capacity of the existing roads is limited, and the expansion speed of urban roads is far from keeping up with the growth rate of cars. Thus leading to urban traffic congestion, traffic chaos, environmental pollution and other problems. How to alleviate this contradiction has become an urgent problem to be solved. With the development of computer technology and the deep research of urban road traffic system, the application of computer technology to the simulation of urban road traffic management and traffic flow monitoring can not only monitor and guide the existing road traffic flow reasonably. Furthermore, it can reasonably evaluate the future traffic planning scheme and put forward scientific planning measures, which can not only improve the traffic situation but also avoid the waste of human and financial resources. This paper provides the underlying road network model for the development of the urban road traffic simulation system. Based on the analysis and research of the urban road system model, a new method is provided for the realization of road visualization. This paper first refers to the development of road traffic simulation system at home and abroad, and analyzes the existing road structure and model. Then from the road geometry and logical structure of the two aspects of the discussion and research. The geometric model and data structure model suitable for road visual simulation are proposed. The geometric model is to use the theory of road alignment to treat the road as a combination of many kinds of lines, and define the intersection coordinates to guide the road direction according to the linear equation. The data structure model includes the driveway model and the compound node model. The compound node model is proposed for the road intersection, which can reflect the track of the lane at the intersection. Finally, it is verified that the connection of the driveway model and the composite node model can describe the logical structure of various road networks together, and the search and management of the vehicle driving path in the road network are preliminarily realized by using Visual Studio 2008 to the SQL Server 2008 database. The visual simulation model presented in this paper provides a theoretical reference for the modern urban road simulation system.
【學(xué)位授予單位】：大連交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U491

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