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Journal of Projectiles, Rockets, Missiles and Guidance >

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

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

MISSILES AND GUIDANCE TECHNOLOGY

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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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

Cite this article

ZHU Qiju , ZHANG Yichong , WENG Jun , LI Yongcheng . Rapid In-flight Alignment Algorithm Aided by Time-delay GPS[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2014 , 34(1) : 9 -12 . DOI: 10.15892/j.cnki.djzdxb.2014.01.008

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