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弹箭与制导学报 >

2014 , Vol. 34 >Issue 1: 56 - 59,65

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2014.01.010

导弹与制导技术

平流层浮空器解析式空中粗对准方法研究

  • 李安琪 ,
  • 胡文媛 ,
  • 李保国 ,
  • 吴孟
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  • 北京航空航天大学仪器科学与光电工程学院,北京 100191

李安琪(1956-),男,河北深县人,高级工程师,研究方向:光纤传感技术,光纤陀螺及其导航系统。

收稿日期: 2013-04-07

  网络出版日期: 2025-05-29

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Parsed Flight Coarse Alignment of Stratospheric Aerostat

  • LI Anqi ,
  • HU Wenyuan ,
  • LI Baoguo ,
  • WU Meng
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  • School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China

Received date: 2013-04-07

  Online published: 2025-05-29

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摘要

针对平流层浮空器捷联惯导系统空中重新对准的需求,设计了基于单天线GPS辅助的惯性凝固解析式粗对准方法。考虑浮空器平动的同时绕天向存在角运动的情况,采用惯性凝固假设,在GPS速度信息辅助下获取系统在对准时刻的姿态角,并对影响对准精度的因素进行了理论分析。仿真结果表明,在浮空器角运动速率处于-5°/s~5°/s范围内,GPS速度测量误差不大于0.15m/s的条件下,该方法得到的水平失准角小于8′,可有效实现平流层浮空器惯导系统的空中粗对准。

关键词： 平流层浮空器; 空中粗对准; 凝固解析式; GPS; 角运动

本文引用格式

李安琪 , 胡文媛 , 李保国 , 吴孟 . 平流层浮空器解析式空中粗对准方法研究[J]. 弹箭与制导学报, 2014 , 34(1) : 56 -59,65 . DOI: 10.15892/j.cnki.djzdxb.2014.01.010

Abstract

The freezing parsed alignment was proposed with the single-antenna GPS to fulfill the flight coarse alignment of stratospheric aerostat SINS. Considering aerostat's angular motion around vertical channel when moving, the formulas of freezing parsed alignment which can solve the attitude of the aerostat with the velocity measured by GPS were derived. The factors affecting the alignment performance were analyzed. Simulation results show that algorithm is efficiency for the flight coarse alignment of aerostat SINS with the result of horizontal misalignment angle below 8' when the aerostat angular rate within the scope of-5°/s ~5°/s and the velocity measured error of GPS under 0. 15 m/s.

Key words： stratospheric aerostat; flight coarse alignment; freezing parsed; GPS; angular motion

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