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多视场星敏感器结构参数标定方法

孙利 江洁 李健 吉飞龙

孙利, 江洁, 李健, 等 . 多视场星敏感器结构参数标定方法[J]. 北京航空航天大学学报, 2015, 41(8): 1532-1538. doi: 10.13700/j.bh.1001-5965.2014.0575
引用本文: 孙利, 江洁, 李健, 等 . 多视场星敏感器结构参数标定方法[J]. 北京航空航天大学学报, 2015, 41(8): 1532-1538. doi: 10.13700/j.bh.1001-5965.2014.0575
SUN Li, JIANG Jie, LI Jian, et al. Structural parameter calibration method for multiple field of view star tracker[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1532-1538. doi: 10.13700/j.bh.1001-5965.2014.0575(in Chinese)
Citation: SUN Li, JIANG Jie, LI Jian, et al. Structural parameter calibration method for multiple field of view star tracker[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1532-1538. doi: 10.13700/j.bh.1001-5965.2014.0575(in Chinese)

多视场星敏感器结构参数标定方法

doi: 10.13700/j.bh.1001-5965.2014.0575
基金项目: 国家自然科学基金(61222304);高等学校博士学科点专项科研基金(20121102110032)
详细信息
    作者简介:

    孙利(1991-),女,甘肃庄浪人,硕士研究生,sun_li_1991@163.com

    通讯作者:

    江洁(1973-),女,福建古田人,教授,jiangjie@buaa.edu.cn,研究方向为光电测量与光电导航.

  • 中图分类号: V448.22

Structural parameter calibration method for multiple field of view star tracker

  • 摘要: 提出一种基于星间角距不变原理的多视场(FOV)星敏感器结构参数标定方法.这种方法以欧拉角表征多视场星敏感器各个子视场之间的旋转关系,利用识别得到的各个视场星点的坐标信息和赤经赤纬信息,计算出多对星光矢量来建立标定模型和目标函数,然后使用L-M算法优化目标函数并解算出各个子视场之间的结构参数.此方法不需要外部姿态测量仪器辅助,可用于在轨和地面标定.在全天球随机抽取多个姿态生成多视场的仿真星图用于标定,并采用星内角统计偏差作为结构参数标定精度的评价指标.这种方法能够准确求解多视场星敏感器的结构参数.星内角统计偏差的平均值在星点位置噪声标准差为0.1像素的仿真试验中为1.3",在外场观星的实际试验中为6.4".

     

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出版历程
  • 收稿日期:  2014-09-18
  • 网络出版日期:  2015-08-20

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