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一种组合导航系统快速滤波方法及半物理仿真

曹娟娟 房建成 盛蔚

曹娟娟, 房建成, 盛蔚等 . 一种组合导航系统快速滤波方法及半物理仿真[J]. 北京航空航天大学学报, 2006, 32(11): 1281-1285.
引用本文: 曹娟娟, 房建成, 盛蔚等 . 一种组合导航系统快速滤波方法及半物理仿真[J]. 北京航空航天大学学报, 2006, 32(11): 1281-1285.
Cao Juanjuan, Fang Jiancheng, Sheng Weiet al. Fast data fusion method for integrated navigation system and hardware in loop simulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(11): 1281-1285. (in Chinese)
Citation: Cao Juanjuan, Fang Jiancheng, Sheng Weiet al. Fast data fusion method for integrated navigation system and hardware in loop simulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(11): 1281-1285. (in Chinese)

一种组合导航系统快速滤波方法及半物理仿真

基金项目: 国防基础科研基金资助项目(K1204060116);新世纪优秀人才支持计划资助项目(NCET-04-0162)
详细信息
    作者简介:

    曹娟娟(1978-),女,湖北随州人,博士生,caojuanjuan@aspe.buaa.edu.cn.

  • 中图分类号: V 249.32

Fast data fusion method for integrated navigation system and hardware in loop simulation

  • 摘要: 在利用卡尔曼滤波器对数据进行处理时,协方差矩阵的预报运算过程需要的计算量最大,每一步迭代的计算量与n3(n为状态矢量维数)成正比,约占整个卡尔曼滤波过程70%的CPU时间.协方差阵预报计算过程中,数据输入输出所需要的传递工作量也最大.由于微小型飞行器导航系统采用小体积、低功耗、低成本的微处理器作为导航计算机,为了保证导航实时性的要求,提出了一种降维滤波器加矩阵外积法的快速滤波方法来减少MIMU(Micro Inertial Measurement Unit)/GPS(Global Positioning System)/MMC(Micro Magnetic Compass)组合导航滤波算法的计算量,以提高算法的实时性.半物理仿真试验结果表明:此种算法不仅可以提供较为满意的导航精度,而且大大减小了计算量,提高了系统的实时性.

     

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出版历程
  • 收稿日期:  2006-04-30
  • 网络出版日期:  2006-11-30

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