摘要
介绍了基于GPS/DR车辆定位系统的基本框架 ,将其划分为 7个功能模块。给出了满足导航电子地图的数据结构。在分析影响地图匹配正确性因素的基础上 ,给出了基于模糊逻辑的地图匹配算法 ,显著提高了车辆定位精度。分析了车辆路线导航系统的特点 ,采用启发式搜索技术 ,提高了算法效率。最后给出了采用上述关键技术的车辆定位导航系统设计方案 。
The paper introduced the basic frame of vehicle location and navigation system, which is divided seven function modules. One kind of data structure of navigation electronic map is proposed. The truth degree for map matching calibration and its implementation algorithm are presented based on the fuzzy logic comprehensive judgment theory, which provides explicit references in evaluating the reliability of map matching results. Based on the analysis of optimal route guidance theory, a high efficient implementation method of hierarchical searching algorithm is proposed. Finally, the system design and the application of vehicle location & navigation are investigated and an original design scheme based on the above research works is presented.
出处
《全球定位系统》
2004年第4期39-43,共5页
Gnss World of China
