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弹箭与制导学报 >

2014 , Vol. 34 >Issue 1: 9 - 12

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2014.01.008

导弹与制导技术

基于时间延迟的GPS辅助空中快速对准算法

  • 朱启举 ,
  • 张义崇 ,
  • 翁浚 ,
  • 李永成
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  • 1 西北工业大学自动化学院,西安 710072
    2 晨曦航空科技有限责任公司,西安 710072

朱启举(1978-),男,云南镇雄人,博士研究生,研究方向:组合导航及应用。

收稿日期: 2013-06-15

  网络出版日期: 2025-05-29

基金资助

海军装备预先研究基金;国家自然科学基金(61273333)

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Rapid In-flight Alignment Algorithm Aided by Time-delay GPS

  • ZHU Qiju ,
  • ZHANG Yichong ,
  • WENG Jun ,
  • LI Yongcheng
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  • 1 School of Automatic, Northwestern Polytechnical University, Xi'an 710072, China
    2 Chenxi Aviation Technology Co. Ltd, Xi'an 710072, China

Received date: 2013-06-15

  Online published: 2025-05-29

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摘要

目前动基座对准问题的解决方案大都基于惯性系,但这些方案需要存储导航期间惯性系矢量信息,且大都没有考虑时间延迟的存在。文中通过插值、外推的方法对GPS时间延迟进行补偿,然后通过机载动基座快速最优姿态矩阵(fastoptimalattitudematrix,FOAM)对准算法进行快速空中对准。最后通过仿真表明,经过时间延迟补偿的对准结果明显优于未经过补偿的。

关键词： 初始对准; FOAM算法; 时间同步; GPS 辅助

本文引用格式

朱启举 , 张义崇 , 翁浚 , 李永成 . 基于时间延迟的GPS辅助空中快速对准算法[J]. 弹箭与制导学报, 2014 , 34(1) : 9 -12 . DOI: 10.15892/j.cnki.djzdxb.2014.01.008

Abstract

At present, the schemes of in-movement alignment mostly base on inertial coordinate, but these schemes need to store inertial vectors information in navigation process, and most of them do not consider the time delay. In this paper, the GPS time delay was compensated by method of interpolation, extrapolation, and then the in-flight alignment was finished through the airborne moving base fast optimal attitude matrix (FOAM) alignment algorithm. Finally, simulation results show that, the results after time delay compensation excel those without compensation.

Key words： initial alignment; FOAM algorithm; time synchronization; GPS aided

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