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基于QCKF的大失准角快速传递对准

陈雨 赵剡 李群生

陈雨, 赵剡, 李群生等 . 基于QCKF的大失准角快速传递对准[J]. 北京航空航天大学学报, 2013, 39(12): 1624-1628.
引用本文: 陈雨, 赵剡, 李群生等 . 基于QCKF的大失准角快速传递对准[J]. 北京航空航天大学学报, 2013, 39(12): 1624-1628.
Chen Yu, Zhao Yan, Li Qunshenget al. QCKF based rapid transfer alignment for large misalignment angles[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(12): 1624-1628. (in Chinese)
Citation: Chen Yu, Zhao Yan, Li Qunshenget al. QCKF based rapid transfer alignment for large misalignment angles[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(12): 1624-1628. (in Chinese)

基于QCKF的大失准角快速传递对准

基金项目: 国家自然科学基金资助项目(61233005)
详细信息
  • 中图分类号: U666.1

QCKF based rapid transfer alignment for large misalignment angles

  • 摘要: 提出了一种机载武器捷联惯导系统大失准角情况下快速传递对准QCKF(Quaternion Cubature Kalman Filter)算法.采用乘性四元数表示失准角,建立了基于四元数的速度加姿态匹配传递对准模型.将噪声扩维为状态思想应用到CKF(Cubature Kalman Filter)中以解决非线性过程噪声和量测噪声问题.考虑到表示旋转的四元数具有规范化以及符号相反的四元数表示相同旋转的性质,对CKF算法中关于四元数部分加权求均值转变为约束条件下基于投影长度的加权求均值,对CKF算法中关于四元数部分求方差进行符号预处理.仿真结果表明算法能在大失准角情况下提高对准精度.

     

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出版历程
  • 收稿日期:  2012-02-04
  • 网络出版日期:  2013-12-30

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