[1]刘锡祥,徐晓苏.大型舰船上子惯导速度的精确计算方法[J].东南大学学报(自然科学版),2009,39(5):946-950.[doi:10.3969/j.issn.1001-0505.2009.05.016]
 Liu Xixiang,Xu Xiaosu.Accurate velocity calculation for SINS on large ship[J].Journal of Southeast University (Natural Science Edition),2009,39(5):946-950.[doi:10.3969/j.issn.1001-0505.2009.05.016]
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大型舰船上子惯导速度的精确计算方法()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
39
期数:
2009年第5期
页码:
946-950
栏目:
化学化工
出版日期:
2009-09-20

文章信息/Info

Title:
Accurate velocity calculation for SINS on large ship
作者:
刘锡祥 徐晓苏
东南大学仪器科学与工程学院, 南京 210096
Author(s):
Liu Xixiang Xu Xiaosu
School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China
关键词:
大型舰船 子惯导 速度计算 杆臂效应 杆臂长度
Keywords:
large ship slaver inertial navigation system velocity calculation lever-arm effect lever-arm size
分类号:
O666.1
DOI:
10.3969/j.issn.1001-0505.2009.05.016
摘要:
针对大型舰船上,子惯导速度精确计算的需求,提出了利用杆臂长度、载体角速率构造主惯导在子惯导安装位置处伪速度观测量的算法.针对杆臂效应力学补偿法中需要已知杆臂长度的要求,并结合大型舰船挠曲变形带来的杆臂长度时变特点,提出将杆臂长度误差增列为系统状态向量,通过在线补偿的方法准确获取杆臂长度.仿真结果表明,杆臂长度在线补偿方法对杆臂长度的估计可以精确至厘米级,从而有效提高了伪速度观测量的精度,使得子惯导3个方向的速度均值可以精确至厘米级,均方差可精确至分米级.
Abstract:
A constructing algorithm for pseudo velocity of master inertial navigation system(MINS)in the install position of slaver inertial navigation system(SINS)is presented, in the algorithm the lever-arm size and the angular rate are used for lever-arm velocity constructing. The flexure deformation of large ship is analyzed, and on account of the requirement for accurate lever-arm size in lever-arm mechanical compensation method, an on-line estimation algorithm for lever-arm size is brought out in which the lever-arm size error are added as state vectors. Simulation results show that in this method the precision of lever arm size is up to centimeter grade, the mean and the mean square deviation of SINS velocity can reach to centimeter grade and decimeter grade respectively.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 刘锡祥(1976—),男,博士,讲师,scliuseu@163.com.
基金项目: 国家自然科学基金资助项目(60874092,50575042)、总装备部“十一五”预研基金资助项目(51309060402,51309020503).
引文格式: 刘锡祥,徐晓苏.大型舰船上子惯导速度的精确计算方法[J].东南大学学报:自然科学版,2009,39(5):946-950. [doi:10.3969/j.issn.1001-0505.2009.05.016]
更新日期/Last Update: 2009-09-20