导航电子地图标准化及基于GIS的交通流仿真

【作者】 吴淑琴；

【导师】 向南平； 童小华；

【作者基本信息】 中南大学 ， 大地测量学与测量工程， 2003， 硕士

【摘要】 导航电子地图是智能运输系统ITS(Intelligent Transportation System)的重要内容，而导航电子地图的标准化是导航电子地图应用的基础。本文首先分析综述了国内外相关电子地图的标准研究，在此基础上系统探讨了导航电子地图的标准、设计和制作，从要素分类与定义、要素属性、要素表达规则和要素关系深入研究了导航电子地图的设计，并从空间数据建库、要素关系表和属性数据库的构建等方面论述了导航电子地图库，随后介绍导航电子地图系统的制作流程，通过实验区的导航电子地图的应用验证了标准和设计的可行性。另外还论述了导航电子地图标准中的一些相关内容和制作过程中的一些要求。 交通流参数如行车速度、行程时间等是智能交通分析系统中的重要要素。本文后半部分论述了基于GPS和GIS开发交通流仿真系统的关键技术，包括模块设计、基于GIS控件MapX的系统功能开发，探讨了交通流轨迹仿真算法模型以及轨迹的路线和时间的取整、大规模矩阵解算等功能，最后给出了系统主要功能的实现。将通过该仿真系统仿真模拟获得的解算结果数据与最初给每条路段预设的等级而确定的每条路段上行驶的时间相比较，实验表明达到预期效果，证明本系统可以对交通流进行有效仿真模拟。更多还原

【Abstract】 Map standardization is the base of navigation digital map application which is important for Intelligent Transportation System. In this paper, the current researches and implementation of geographic information standardization around the world are firstly reviewed, and the standardization, development and application of navigation digital map are then thoroughly studied. The design of navigation digital map in china is presented, including feature catalogue, attribute catalogue, representation rules, and relation between feature catalogue and representation rules. Based on this, the development of navigation digital map is therefore discussed, including the construction of geo-spatial databases, feature relation tables and attribute databases. The produce flow of navigation digital map database is further introduced. Through case studies of navigation system in experimental region, the feasibility of the standard and the design of navigation digital map application are tested. In addition, other correlative contents are mentioned.Traffic flow is the important feature of the traffic system. In this paper, key techniques on development of traffic flow simulation system based on GPS and GIS is discussed, including system design and function development, arithmetic model simulating the traffic flow track is derived, the realization of the prototype system is introduced in the end. After error analysis of result data got by simulation, availability of system is proved.更多还原