重力辅助导航高斯插值精化算法

doi:10.11947/j.AGCS.2015.20130741

测绘学报 ›› 2015, Vol. 44 ›› Issue (1): 13-18.doi: 10.11947/j.AGCS.2015.20130741

重力辅助导航高斯插值精化算法

文超斌^1,2, 王跃钢¹, 郭志斌¹, 田琦¹, 左朝阳¹, 蒋新磊¹

1. 第二炮兵工程大学, 陕西西安 710025;
2. 中国人民解放军96124部队, 吉林通化 134000

收稿日期:2014-01-28 修回日期:2014-10-24 出版日期:2015-01-20 发布日期:2015-01-22
作者简介:文超斌(1986-), 男, 博士生, 研究方向为导航、制导与控制. E-mail: weijing123@126.com
基金资助:
国防预研基金(103030203)

Gravity Aided Navigation Precise Algorithm with Gauss Spline Interpolation

WEN Chaobin^1,2, WANG Yuegang¹, GUO Zhibin¹, TIAN Qi¹, ZUO Zhaoyang¹, JIANG Xinlei¹

1. The Second Artillery Engineering University, Xi'an 710025, China;
2. Unit 96124, Tonghua 134000, China

Received:2014-01-28 Revised:2014-10-24 Online:2015-01-20 Published:2015-01-22
Supported by:
National Defense Pre-research(103030203)

摘要/Abstract

摘要： 为克服高精度的重力辅助导航传统模型的局限,必须考虑模型误差方程中的重力精化补偿问题.本文在研究二维高斯样条插值函数逼近局部重力异常场的基础上,提出了一种重力辅助导航精化模型构建算法.该精化模型补偿了重力扰动矢量、标准重力模型误差、厄特弗斯修正计算值对导航模型的影响.试验结果表明,利用本文的新型重力辅助导航模型构建算法可使辅助导航系统定位精度提高1倍左右,姿态、速度精度提高1～2倍,定位误差保持在100～200 m.

关键词: 重力辅助导航, 高斯样条插值, 重力误差补偿, 导航模型

Abstract: The gravity compensation of error equation thoroughly should be solved before the study on gravity aided navigation with high precision. A gravity aided navigation model construction algorithm based on research the algorithm to approximate local grid gravity anomaly filed with the 2D Gauss spline interpolation is proposed. Gravity disturbance vector, standard gravity value error and Eotvos effect are all compensated in this precision model. The experiment result shows that positioning accuracy is raised by 1 times, the attitude and velocity accuracy is raised by 1～2 times and the positional error is maintained from 100~200 m.

Key words: gravity aided navigation, Gauss spline interpolation, gravity error compensation, navigation model

中图分类号:

P229

文超斌, 王跃钢, 郭志斌, 田琦, 左朝阳, 蒋新磊. 重力辅助导航高斯插值精化算法[J]. 测绘学报, 2015, 44(1): 13-18.

WEN Chaobin, WANG Yuegang, GUO Zhibin, TIAN Qi, ZUO Zhaoyang, JIANG Xinlei. Gravity Aided Navigation Precise Algorithm with Gauss Spline Interpolation[J]. Acta Geodaetica et Cartographica Sinica, 2015, 44(1): 13-18.

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重力辅助导航高斯插值精化算法

Gravity Aided Navigation Precise Algorithm with Gauss Spline Interpolation

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