半捷联惯导系统轴向角度安装误差分析与补偿

doi:10.3969/j.issn.1000-1093.2015.07.010

兵工学报 ›› 2015, Vol. 36 ›› Issue (7): 1222-1227.doi: 10.3969/j.issn.1000-1093.2015.07.010

半捷联惯导系统轴向角度安装误差分析与补偿

张樨，李杰，侯利朋，祝敬德，秦丽

（中北大学仪器与电子学院，山西太原 030051）

收稿日期:2014-06-20 修回日期:2014-06-20 上线日期:2015-09-21
通讯作者: 张樨 E-mail:zhangxi@nuc.edu.cn
作者简介:张樨（1977—），女，讲师，博士研究生
基金资助:
国防基础科研计划项目（B3320132012）

Analysis and Compensation of Installlation Axial Angle Errors of Semi-strapdown IMS

ZHANG Xi, LI Jie, HOU Li-peng, ZHU Jing-de, QIN Li

(School of Instrument and Electronics, North University of China, Taiyuan 030051, Shanxi, China)

Received:2014-06-20 Revised:2014-06-20 Online:2015-09-21
Contact: ZHANG Xi E-mail:zhangxi@nuc.edu.cn

摘要/Abstract

摘要： 针对半捷联惯性测量系统中轴向角度安装误差影响系统姿态测量精度的问题，分析了轴向角度安装误差的来源、产生机理及其对姿态测量精度的影响规律，并从理论上推导了其数学表达式。在此基础上，提出了轴向角度安装误差的分级补偿方法。该方法的核心思想是，根据轴向角度安装误差产生的原理和作用机理不同，依次对其补偿。地面实测试验表明，对轴向角度安装误差的补偿方法是正确和有效的，利用该补偿方法可以将轴向角度安装误差引起的周期性姿态测量误差由0.32°减小到0.05°以内，减小幅度达1个数量级，显著地提高了系统的解算精度。

关键词: 兵器科学与技术, 半捷联, 惯性测量系统, 角度安装误差, 分析, 补偿

Abstract: The source and gemeration mechanism of installation axial angle errors of semi-strapdown inertial measurement system (IMS ) and their effects on the attitude measuring accuracy are analyzed, and the mathematical expression of the influence is theoretically derived. A graded compensation method is proposed for error compensation. The proposed method is used to compensate the installation angle errors in turn according to their generation principle and effect mechanism. Experiment based on semi-strapdown IMS verified the validity and effectiveness of the method. Experimental results show that the method can effectively reduce the periodic attitude measuring error caused by installation axial angle errors to 0.05° compared with that of 0.32°without compensation.

Key words: ordnance science and technology, semi-strapdown, inertial measurement system, installation angle error, analysis, compensation

中图分类号:

TJ06
TJ013

张樨，李杰，侯利朋，祝敬德，秦丽. 半捷联惯导系统轴向角度安装误差分析与补偿[J]. 兵工学报, 2015, 36(7): 1222-1227.

ZHANG Xi, LI Jie, HOU Li-peng, ZHU Jing-de, QIN Li. Analysis and Compensation of Installlation Axial Angle Errors of Semi-strapdown IMS[J]. Acta Armamentarii, 2015, 36(7): 1222-1227.

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半捷联惯导系统轴向角度安装误差分析与补偿

Analysis and Compensation of Installlation Axial Angle Errors of Semi-strapdown IMS

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