视频小卫星凝视姿态跟踪的仿真与实验

孙志远; 张刘; 金光; 徐开; 陈茂胜

doi:10.3788/OPE.20111911.2715

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视频小卫星凝视姿态跟踪的仿真与实验

微纳技术与精密机械 | 更新时间：2020-08-12

- 视频小卫星凝视姿态跟踪的仿真与实验
- Simulation and experiment on attitude tracking control of small TV satellite
- 光学精密工程 2011年19卷第11期页码：2715-2723
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院研究生院,北京 100039
- 作者简介：
- 基金信息：
  
  国家自然科学青年基金资助项目(No.61008046)()
- DOI：10.3788/OPE.20111911.2715
  中图分类号： V474.262
- 收稿日期：2011-03-01，
  
  修回日期：2011-04-01，
  
  网络出版日期：2011-11-25，
  
  纸质出版日期：2011-11-25
- 稿件说明：
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孙志远, 张刘, 金光, 徐开, 陈茂胜. 视频小卫星凝视姿态跟踪的仿真与实验[J]. 光学精密工程, 2011,19(11): 2715-2723

SUN Zhi-yuan, ZHANG Liu, JIN Guang, XU Kai, CHEN Mao-sheng. Simulation and experiment on attitude tracking control of small TV satellite[J]. Editorial Office of Optics and Precision Engineering, 2011,19(11): 2715-2723
孙志远, 张刘, 金光, 徐开, 陈茂胜. 视频小卫星凝视姿态跟踪的仿真与实验[J]. 光学精密工程, 2011,19(11): 2715-2723 DOI： 10.3788/OPE.20111911.2715.

SUN Zhi-yuan, ZHANG Liu, JIN Guang, XU Kai, CHEN Mao-sheng. Simulation and experiment on attitude tracking control of small TV satellite[J]. Editorial Office of Optics and Precision Engineering, 2011,19(11): 2715-2723 DOI： 10.3788/OPE.20111911.2715.

摘要

对视频卫星实现对地凝视成像时的数学模型、姿态跟踪控制器设计和全物理仿真进行了研究。首先

根据卫星轨道运动与姿态运动相关理论

推导了对地凝视时视频小卫星相对轨道坐标系的期望四元数和期望姿态角速度的变化规律。设计了基于误差四元数和误差姿态角速度的PD控制器

并采用李雅普诺夫稳定性理论证明了所设计控制器的稳定性。然后

以在曝光时间内的面阵CCD成像偏差不超过0.3 pixel为要求

给出了姿态角控制精度和姿态角速度控制精度的最小极限值。最后

在设计的基于小型三轴气浮台的小卫星姿态控制系统全物理仿真平台上对视频小卫星凝视摄像进行了仿真验证。实验结果表明

小型三轴气浮台的姿态角控制精度优于0.1

姿态角速度控制精度优于0.01()/s

基本满足视频小卫星凝视时面阵CCD高质量成像的要求。

Abstract

This paper focuses mainly on the mathematical model of ground target tracking of a video satellite and the design of an attitude tracking controller. Firstly

the desired attitude quaternion and the desired attitude angular velocity are presented respectively according to the orbit kinematic and attitude kinematic. Then

a feedback PD controller based on the error quaternion and error attitude angular velocity is designed

and the stability of the designed controller is analyzed by using the Lyapunov stability theory. By setting the deviation of area CCD in the exposal time to be smaller than 0.3 pixel

the minimum attitude pointing error and attitude velocity error are induced. Finally

physical simulation of staring-imaging by a video camera is conducted on the minitype three-axis air bearing table. Simulation results suggest that the pointing error is less than 0.1

and that the attitude velocity error is less than 0.012()/s

which meets the requirements of staring-imaging of area CCDs.

关键词

Keywords

references

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