Outdoor navigation of a mobile robot between buildings based on DGPS and odometry data fusion

被引：59
|
作者：
Ohno, K [1 ]
Tsubouchi, T [1 ]
Shigematsu, B [1 ]
机构：
[1] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan
来源：
2003 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION, VOLS 1-3, PROCEEDINGS | 2003年
关键词：
mobile robot; DGPS odometry; navigation; likelihood; EKF;
D O I：
10.1109/ROBOT.2003.1241884
中图分类号：
TP24 [机器人技术];
学科分类号：
080202 ; 1405 ;
摘要：
The authors aim at map based outdoor navigation of a mobile robot. In navigation, robot position is fundamentally obtained by odometry. However, the position is misaligned as the robot moves because odometry has cumulative error. DGPS measurement data may cancel its position error. The framework of EKF is used for the modification and the fusion between odometry and DGPS measurement data. The DGPS measurement data, however, could have large error because of multipath near buildings. In this paper, the authors propose a method which eliminates erroneous DGPS measurement data when odometry robot position is fused, and confirm the validity of this approach.
引用
收藏
页码：1978 / 1984
页数：7
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