SINS快速传递对准建模与仿真

宫晓琳; 房建成; 郭雷

SINS快速传递对准建模与仿真

北京航空航天大学仪器科学与光电工程学院, 北京 100191

基金项目: 国家863计划资助项目(2006AA12A108)

详细信息

作者简介:
宫晓琳(1980-),女,新疆昌吉人,博士生,gongxiaolin@sina.com.

中图分类号: V 249.32⁺2
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- 被引次数: 0
出版历程
- 收稿日期: 2007-07-30
- 网络出版日期: 2008-08-31

Modeling and simulation of rapid transfer alignment for SINS

School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 针对空间武器捷联惯性导航系统SINS(Strapdown Inertial Navigation System)动基座快速、精确初始对准问题,建立了空间环境下武器SINS的动基座误差模型,并考虑武器SINS的惯性器件误差.根据姿态传递对准原理,推导了姿态匹配方式下卫星与武器SINS姿态角之差的量测方程.在此基础上,建立了空间武器SINS传递对准的数学模型,设计一种快速对准卡尔曼滤波器.计算机仿真结果验证了该模型的有效性.在10s时间内,可获得与卫星姿态测量系统姿态精度相当的对准精度,同时还能实现武器SINS惯性器件误差的准确标定.
- 捷联惯性导航系统(SINS) /
- 对准 /
- 卡尔曼滤波
Abstract: Aiming at the problem of rapid and accurate transfer alignment for the space weapon strapdown inertial navigation system (SINS), the error model of weapon SINS was established and the errors of inertial elements were considered. The attitude matching was selected, and the measurement equation of the attitude error between space weapon SINS and satellite was deduced based on the principle of attitude transfer alignment. Based on these, the filter model of space weapon SINS was established and a rapid Kalman filter was designed for the space weapon-s transfer alignment. The results of simulation show that this model is efficient on filter-s convergence and precision. The alignment accuracy is similar to the one attitude measurement system of satellite have, and furthermore, the constant errors of gyros on space weapon can be calibrated.
- strapdown inertial navigation system(SINS) /
- alignment /
- Kalman filtering

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参考文献(1)

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