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首页> 中文期刊> 《航天器工程》 >基于集成建模的空间光学望远镜稳像验证方法

基于集成建模的空间光学望远镜稳像验证方法

         
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摘要

For validation of line of sight stabilization of space telescope,a structure﹣optics﹣disturbance﹣attitude control﹣image stabilization control﹣optics integrated modeling method is adopted.Accord﹣ing to the physical relationship,the disturbance model,the structure model of the satellite,the attitude control system model,the image stabilization control system model and the optical sys﹣tem model are integrated.As a result,the in﹣orbit line of sight jitter as well as the transfer char﹣acteristics from the disturbance to LOS (Line of Sight)jitter can be predicted.With an example of a space telescope,the LOS jitter under different LOS stabilization method and the transfer characteristics of the disturbance and noise are analyzed.It is demonstrated that with the integrat﹣ed modeling and analysis method the full frequency band LOS jitter can be got,and the LOS sta﹣bilization method of the space telescope is validated.%针对空间望远镜稳像方案验证问题,研究了一种结构、光学、扰动、姿态控制、稳像控制一体化集成建模方法.将干扰源模型、整星结构模型、姿态控制模型、稳像控制模型和光学系统模型按照实际的物理联系连接为一个整体,得到扰动和噪声到光轴抖动的传递特性和光轴抖动响应.以某光学望远镜为例,比较了各种稳像方案下扰振到光轴抖动的传递特性,定量分析了各影响因素对光轴抖动的影响.分析结果表明,提出的方法能够得到全频带的光轴抖动响应,可以系统地验证空间光学望远镜的稳像方案.

著录项

  • 来源
    《航天器工程》 |2019年第3期|39-45|共7页
  • 作者

    XU Guangde; ZHANG Bainan; WANG Jie; SUN Guotong; GOU Zhongqiu;

  • 作者单位

    Institute of Manned Space System Engineering;

    China Academy of Space Technology;

    Beijing 100094;

    China;

    Institute of Manned Space System Engineering;

    China Academy of Space Technology;

    Beijing 100094;

    China;

    Institute of Manned Space System Engineering;

    China Academy of Space Technology;

    Beijing 100094;

    China;

    Institute of Manned Space System Engineering;

    China Academy of Space Technology;

    Beijing 100094;

    China;

    Institute of Manned Space System Engineering;

    China Academy of Space Technology;

    Beijing 100094;

    China;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 航天器及其运载工具;
  • 关键词

    集成建模; 空间光学望远镜; 稳像;

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