伪惯导建模的极区双速度模式惯性系对准算法

U666.1; 针对极区Vb辅助的捷联惯性导航系统(strapdown inertial navigation system,SINS)行进间惯性系对准,提出了基于伪惯导建模的双速度模式惯性系对准算法,消除由惯导建模引起的极区导航误差放大以及传统惯性系对准过程存在的模型误差问题,提高极区对准性能.最后通过低纬度车载半实物仿真试验以及极区对准仿真试验对其进行验证.在75°和85°初始纬度,50次航向对准结果的平均绝对误差和标准差分别为0.507 2°、2.527 3°和0.605 2°、2.875°.试验结果表明,所提算法是可行且合理的,可以解决极区SINS行进间惯性系对准中惯导建模以及对准模型...

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Published in系统工程与电子技术 Vol. 44; no. 5; pp. 1677 - 1684
Main Authors 李杨, 刘猛, 宫京, 王永召, 邓福建
Format Journal Article
LanguageChinese
Published 中国船舶航海保障技术实验室,天津300131 01.05.2022
海军研究院,北京100161%天津航海仪器研究所,天津300131
Subjects
伪惯导建模
粗对准
极区对准
惯性系对准
Online AccessGet full text
ISSN1001-506X
DOI10.12305/j.issn.1001-506X.2022.05.30

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Abstract U666.1; 针对极区Vb辅助的捷联惯性导航系统(strapdown inertial navigation system,SINS)行进间惯性系对准,提出了基于伪惯导建模的双速度模式惯性系对准算法,消除由惯导建模引起的极区导航误差放大以及传统惯性系对准过程存在的模型误差问题,提高极区对准性能.最后通过低纬度车载半实物仿真试验以及极区对准仿真试验对其进行验证.在75°和85°初始纬度,50次航向对准结果的平均绝对误差和标准差分别为0.507 2°、2.527 3°和0.605 2°、2.875°.试验结果表明,所提算法是可行且合理的,可以解决极区SINS行进间惯性系对准中惯导建模以及对准模型所存在的问题,提高极区对准的性能.
AbstractList U666.1; 针对极区Vb辅助的捷联惯性导航系统(strapdown inertial navigation system,SINS)行进间惯性系对准,提出了基于伪惯导建模的双速度模式惯性系对准算法,消除由惯导建模引起的极区导航误差放大以及传统惯性系对准过程存在的模型误差问题,提高极区对准性能.最后通过低纬度车载半实物仿真试验以及极区对准仿真试验对其进行验证.在75°和85°初始纬度,50次航向对准结果的平均绝对误差和标准差分别为0.507 2°、2.527 3°和0.605 2°、2.875°.试验结果表明,所提算法是可行且合理的,可以解决极区SINS行进间惯性系对准中惯导建模以及对准模型所存在的问题,提高极区对准的性能.
Author 王永召
刘猛
宫京
邓福建
李杨
AuthorAffiliation 海军研究院,北京100161%天津航海仪器研究所,天津300131;中国船舶航海保障技术实验室,天津300131
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WANG Yongzhao
DENG Fujian
LI Yang
GONG Jing
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粗对准
极区对准
惯性系对准
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Publisher 中国船舶航海保障技术实验室,天津300131
海军研究院,北京100161%天津航海仪器研究所,天津300131
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Snippet U666.1; 针对极区Vb辅助的捷联惯性导航系统(strapdown inertial navigation system,SINS)行进间惯性系对准,提出了基于伪惯导建模的双速度模式惯性系对准算法,消除由惯导建...
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Title 伪惯导建模的极区双速度模式惯性系对准算法
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