SINS/北斗/星敏感器组合导航系统研究

应用科学学报 ›› 2006, Vol. 24 ›› Issue (2): 120-124.

SINS/北斗/星敏感器组合导航系统研究

华冰, 刘建业, 熊智, 祝燕华

南京航空航天大学导航研究中心, 江苏南京 210016

收稿日期:2004-07-10 修回日期:2004-12-27 出版日期:2006-03-31 发布日期:2006-03-31
作者简介:华冰,博士生,研究方向:惯性技术与组合导航技术,E-mail:whose-flower@126.com;刘建业,教授,博导,研究方向:惯性技术与组合导航技术,E-mail:ljyac@nuaa.edu.cn
基金资助:
惯性技术预研基金资助项目(41309030309)

Federal Filtering Algorithm in SINS/Beidou/STAR Integrated Navigation System

HUA Bing, LIU Jian-ye, XIONG Zhi, ZHU Yan-hua

Navigation Research Center, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received:2004-07-10 Revised:2004-12-27 Online:2006-03-31 Published:2006-03-31

摘要/Abstract

摘要： 将北斗卫星导航系统和星敏感器共同运用到组合导航中,以无反馈模式的联邦滤波器为基础,构建了SINS/北斗/星敏感器组合导航系统.根据北斗和星敏感器的特点,分析了系统产生量测延时和异步的原因,并对系统的量测延时和异步问题提出了解决方案.仿真表明,该组合导航系统具有较高的精度和容错性能.为北斗定位系统在国防上的应用提供了一条新思路.

关键词: 星敏感器, 联邦滤波, 组合导航, 北斗双星, 捷联惯导

Abstract: Beidou satellite navigation location system is China's first generation satellite navigation system.The star sensor is a high precision attitude-measuring instrument.On the basis of non-feedback federal filtering, Beidou navigation lo cation system and the star sensor are used together in an integrated navigation system in order to set up the SINS/Beidou/star integrated navigation system.From the characteristics of Beidou and the star sensor, causes of delay and asynchronous problem in the instrumentation are analyzed, and a solution is proposed.Simulation shows that this integrated navigation system has high precision and good tolerance to faults.This shows application potentials for the Beidou system in defense industries.

Key words: integrated navigation, SINS, Beidou satellite navigation, federal filtering, star sensor

中图分类号:

O666.1

华冰, 刘建业, 熊智, 祝燕华. SINS/北斗/星敏感器组合导航系统研究[J]. 应用科学学报, 2006, 24(2): 120-124.

HUA Bing, LIU Jian-ye, XIONG Zhi, ZHU Yan-hua. Federal Filtering Algorithm in SINS/Beidou/STAR Integrated Navigation System[J]. Journal of Applied Sciences, 2006, 24(2): 120-124.

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