Autonomous integrity monitoring of tightly coupled GNSS/INS navigation system

被引：0
作者：
机构：
[1] School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing
[2] College of Surveying and Geo-informatics, Tongji University, Shanghai
来源：
Wu, Youlong | 1600年 / SinoMaps Press卷 / 43期
关键词：
FDI; GNSS/INS; Integrity; Reliability; Separability;
D O I：
10.13485/j.cnki.11-2089.2014.0136
中图分类号：
V355 [空中管制与飞行调度];
学科分类号：
摘要：
Reliability and separability are two crucial indicators to assess the performance of system integrity. In this paper, the system reliability and fault detection and Isolation (FDI) capability were analyzed upon multi-constellation GNSS navigation system and GNSS/INS integrated navigation system. Simulation results show that by fusing multi-constellation GNSS systems, the satellite geometric strength is largely enhanced so as to improve the system internal reliability and the capability of FDI. Besides, the system reliability and separability are further improved by integrating GNSS and INS. The higher the accuracy of the inertial sensors, the better the system performance in terms of reliability and ability of FDI.
引用
收藏
页码：786 / 795
页数：9
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