基于模糊理论的高速公路智能控制系统的研究

发布时间：2018-05-08 07:10

本文选题：高速公路 + 道路通行能力　；参考：《长安大学》2014年硕士论文

【摘要】：随着我国社会经济的发展，交通流量急剧上升，虽然运输业得到了很大的发展，但同时伴随着交通拥挤和交通事故的增加，国民的衣食住行受到了极大地负面作用。高速公路的建设为全球的运输业做出了重大贡献。在高速公路上车辆一般可以达到120公里/小时或者更高的速度，，路面有4个以上车道的宽度。中间设置中央隔离带，采用沥青混凝土或水泥混凝土高级路面，设有齐全的标志、标线、信号及照明装置；禁止行人和非机动车在路上行走，与其他线路采用立体交叉、行人跨线桥或地道通过。自从高速公路兴起后，我国的运输业得到了极大的提高，其通行能力大，运输效率高、能源消耗少等特点为国民生活及社会发展做出了重大贡献，在我国社会经济发展中占据重要地位，同时也承担着重要责任。但是高速公路的兴起，也使高速公路的运营出现了很多问题，例如：高速公路交通拥堵、交通事故等现象。该篇文章根据高速公路中存在的各种交通问题，发生的各种交通事故，对高速公路采取智能交通控制，以达到我们的目标——提高高速公路道路通行能力和道路服务水平。该文章先是研究了我国高速公路智能控制的研究现状，阐述了本文的研究目的、意义及主要内容，进而从高速公路交通流特征及其参数之间关系进行分析，基于交通流的基础上，提出高速公路智能交通控制方法，高速公路兴起后，在交通领域中被人们常用的交通控制方法是高速公路入口匝道控制方法。根据高速公路交通系统的随机性与动态性，我们很难去建立或者套用一个十分准确的类似数学方面的模型。基于模糊逻辑理论，通过设立参数来确定高速公路入口匝道的调节率，实现了入口匝道控制的实时性；通过两次编辑模糊规则的方法来调节主线最大限制速度，并用Matlab对其进行了仿真。对于入口匝道与主线协调控制我们选取了双输入、双输出的方法，通过输出量：匝道调节率与车辆最大限制速度，来对融合处进行调节。
[Abstract]:With the development of our country's social economy, the traffic flow is rising sharply. Although the transportation industry has got great development, but with the increase of traffic congestion and traffic accidents, the people's clothing, food, housing and transportation have been greatly negative. The construction of expressway has made great contribution to the transportation industry all over the world. On highways vehicles can generally reach 120 km / h or higher, with more than 4 lanes across the road. A central separation zone shall be provided in the middle, with asphalt concrete or cement concrete high grade pavement, with complete marks, markings, signals and lighting devices; pedestrians and non-motorized vehicles shall be prohibited from walking on the road and crossing with other lines, A pedestrian crossing a bridge or tunnel. Since the rise of freeway, the transportation industry of our country has been greatly improved. Its characteristics such as large capacity, high transportation efficiency and low energy consumption have made great contributions to the national life and social development. In China's social and economic development occupies an important position, but also bear an important responsibility. But the rise of freeway, also make the operation of freeway appeared many problems, for example: highway traffic jam, traffic accident and so on. According to all kinds of traffic problems and traffic accidents in expressway, intelligent traffic control is adopted in this paper to achieve our goal of improving highway traffic capacity and road service level. This article first studies the present situation of expressway intelligent control in China, expounds the purpose, significance and main contents of this paper, and then analyzes the relationship between the characteristics of expressway traffic flow and its parameters. Based on the traffic flow, an intelligent traffic control method for freeway is put forward. After the rise of freeway, the common traffic control method in the traffic field is the on-ramp control method of expressway. According to the randomness and dynamics of highway traffic system, it is difficult to establish or apply a very accurate mathematical model. Based on the fuzzy logic theory, the real-time control of the on-ramp is realized by setting up the parameters to determine the adjustment rate of the on-ramp, and the maximum limiting speed of the main line is adjusted by the method of twice editing fuzzy rules. It is simulated by Matlab. For the coordinated control of the on-ramp and the main line we choose the method of double input and double output to adjust the converging place through the output quantity: the ramp regulation rate and the maximum limited speed of the vehicle.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U495

【参考文献】