基于模糊逻辑的GPS/DR组合导航系统地图匹配算法  

A Fuzzy Logic Based Map Matching Algorithm for GPS/DR Integrated Navigation Systems

作　　者：彭飞[1] 柳重堪[1] 张其善[1] 

机构地区：[1]北京航空航天大学电子工程系,北京100083

出　　处：《遥测遥控》2001年第1期32-36,47,共6页Journal of Telemetry,Tracking and Command

摘　　要：利用地图匹配技术能够使用高精度的电子地图位置信息改善 GPS/ DR组合导航系统的定位精度。提出一种基于模糊数学方法和统计概率准则的地图匹配算法 ,在融合定位传感器数据和路段位置信息的基础上 ,通过模糊逻辑评判完成最佳匹配路段的挑选 ,并对匹配修正结果的可信度作出评价。仿真试验的结果证明该算法的有效性。Map matching method plays an important role in vehicle location and navigation systems.It employs the information in a digital map to compensate the positioning error.This paper presents a fuzzy logic based probabilistic map matching algorithm used in GPS/INS integrated navigation systems,in which the reliability degree of map matching resolution is given explicitly as the decision basis in selecting matching road segment by utilizing the fuzzy comprehensive judgement.The results of experimental simulations have shown that the system performance gained significant enhancement by introducing this algorithm.

关 键 词：全球定位系统 航位推算 地图匹配 模糊逻辑 

分 类 号：P228.4[天文地球—大地测量学与测量工程] TN967.1[天文地球—测绘科学与技术]