| 一种新的捷联惯导系统初始对准方法 |
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| 引用本文： | 李东明,谈振藩,郝颖. 一种新的捷联惯导系统初始对准方法[J]. 中国惯性技术学报, 2005, 13(2): 1-4 |
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| 作者姓名： | 李东明 谈振藩 郝颖 |
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| 作者单位： | 哈尔滨工程大学自动化学院,哈尔滨,150001 |
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| 摘 要： | 提出了—种基于多天线GPS载波相位测量的捷联惯导系统静基座初始对准方法。给出了观测方程的详细推导过程，该观测方程中三个失准角均直接可观。最后给出了卡尔曼滤波仿真结果。结果表明，该方法极大地改善了捷联惯导系统静基座初始对准中方位失准角的估计收敛速度和精度。
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| 关 键 词： | 捷联惯导系统 对准方法 GPS载波相位测量 观测方程 卡尔曼滤波 方位失准角 推导过程 仿真结果 收敛速度 初始对准 静基座 多天线 |
| 文章编号： | 1005-6734(2005)02-0001-04 |
| 修稿时间： | 2005-01-13 |
A New Method for SINS Initial Alignment |
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| LI Dong-ming,TAN Zhen-fan,HAO Ying. A New Method for SINS Initial Alignment[J]. Journal of Chinese Inertial Technology, 2005, 13(2): 1-4 |
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| Authors: | LI Dong-ming TAN Zhen-fan HAO Ying |
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| Abstract: | A new initial alignment method for SINS stationary base is proposed which is aided by multi-antennas GPS carrier phase measurement. The deducing of observation model is presented. In the new observation model, the angular misalignments are directly observable. This method is evaluated by Kalman filter simulation. The simulation results indicate that the new method greatly improves the convergence speed and the precision of the azimuth misalignment estimation for SINS initial alignment on stationary base. |
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| Keywords: | SINS initial alignment Kalman filter multi-antennas GPS carrier phase |
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