A Study on Equivalent Test Model of a Space Camera

WANG Jun; LU E; WANG Jia-Qi; LI Li-Qiang

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A Study on Equivalent Test Model of a Space Camera

更新时间：2020-08-12

- A Study on Equivalent Test Model of a Space Camera
- Optics and Precision Engineering Vol. 7, Issue 5, Pages: 43-48(1999)
- 作者机构：
  
  1. 中国科学院长春光学精密机械研究所, 长春130022
  2. 长春水利水电高等专科学校, 长春130012
- 作者简介：
- 基金信息：
- DOI：
  CLC： V445.8
- Received：07 May 1999，
  
  Revised：14 May 1999，
  
  Published Online：15 October 1999，
  
  Published：15 October 1999
- 稿件说明：
移动端阅览
王俊, 卢锷, 王家骐, 李力强. 航天相机等效试验模型的研制[J]. 光学精密工程, 1999,(5): 43-48

WANG Jun, LU E, WANG Jia-Qi, LI Li-Qiang . A Study on Equivalent Test Model of a Space Camera[J]. Editorial Office of Optics and Precision Engineering, 1999,(5): 43-48
王俊, 卢锷, 王家骐, 李力强. 航天相机等效试验模型的研制[J]. 光学精密工程, 1999,(5): 43-48 DOI：

WANG Jun, LU E, WANG Jia-Qi, LI Li-Qiang . A Study on Equivalent Test Model of a Space Camera[J]. Editorial Office of Optics and Precision Engineering, 1999,(5): 43-48 DOI：

摘要

为了检验空间遥感相机的动力学特性

需要对相机与飞船进行动力学耦合试验。为了确保相机的试验安全性

拟首先采用相机的试验模型进行动力学耦合试验

这就带来了相机试验模型的设计问题。通过对空间遥感相机的力学分析

提出了对相机试验模型的力学特性要求。利用UnigraphicII软件实现了模型与原型的质量等效

并通过分析相机几何参数对相机与飞船耦合模态的灵敏度

采用经典理论解析分析法和固有频率优化法

实现了对试验模型与原型的刚度等效

使得试验模型与飞船的耦合振动和相机与飞船的耦合振动相似。该试验模型的成功研制方法

将对类似的动力学耦合试验起到一定的参考作用

Abstract

In order to verify the dynamics characteristic of a space remote sensing camera

spacecraft and camera dynamics coupling test is needed. To improve the reliability of the camera

a coupling test should be carried out with a test model instead of the camera. So a test model of camera must be studied at first. Dynamics analysis of the space remote sensing camera was carried out at first

and then the demand for dynamics characteristics of the camera’s test model was put forward. The mass equivalence between test model and camera is realized with UnigraphicII software in this paper. Based on the sensitivity analysis of structural parameters of camera with respect to each mode of spacecraft and camera coupling system

stiffness equivalence was realized with classical theoretical analysis and natural frequency optimization. The dynamics coupling test between spacecraft and test model was similar to the test between spacecraft and camera. The method to develop a test model applied in this paper will be a reference to some other dynamics coupling test.

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Related Institution

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