空间稳定型捷联惯导系统静态误差分析

孙枫; 王根

空间稳定型捷联惯导系统静态误差分析

孙枫,
王根

哈尔滨工程大学自动化学院, 哈尔滨 150001

基金项目: 国家自然科学基金资助项目(60775001)

详细信息

中图分类号: U666.1
计量
- 文章访问数: 2003
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- 被引次数: 0
出版历程
- 收稿日期: 2011-06-01
- 网络出版日期: 2012-09-30

Error analysis of space stabilized strap-down inertial navigation system on stationary base

Sun Feng,
Wang Gen

Automation College, Harbin Engineering University, Harbin 150001, China

摘要

摘要: 定量分析空间稳定型捷联惯导系统的误差传播特性,以便实现惯导系统对战术技术指标及元部件对自身精度指标的设定要求.首先设计了一种用于地球表面导航的船用空间稳定型捷联惯导系统方案,然后通过求解静基座状态下的该种捷联惯导系统误差方程,分析了陀螺常值漂移以及加速度计零偏对空间稳定型捷联惯导系统的影响.理论分析以及实物试验表明陀螺常值漂移会造成经度误差随时间线性增长,其它导航信息按舒勒频率和地球频率等幅振荡传播.
- 空间稳定型惯导系统 /
- 误差分析 /
- 周期性 /
- 实物试验
Abstract: In order to satisfy the technical index of strap-down inertial navigation system and the precision of inertial components, the error propagation characteristics of the space stabilized strap-down inertial navigation system have been analyzed. The scheme of space stabilized inertial navigation system was proposed. According to the analysis of stationary base error equations, the impacts of gyro drift and accelerometer errors on space stabilized inertial navigation system were researched. Theoretical analysis and the experiment show that, the longitude error increased gradually based on the gyro constant drift, the other parameters accumulated base on the Schuler and Earth circle.
- space stabilized inertial navigation system /
- error analysis /
- periodicity /
- physical test

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参考文献(9)

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