Device for improving pointing precision of fast steering mirror with spherical gemel

XU Xin-hang; LIU Ting-xia; SHI Kui; XUE Xiang-yao; WANG Bing

doi:10.3788/OPE.20152306.1688

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Device for improving pointing precision of fast steering mirror with spherical gemel

更新时间：2020-08-13

- Device for improving pointing precision of fast steering mirror with spherical gemel
- Optics and Precision Engineering Vol. 23, Issue 6, Pages: 1688-1694(2015)
- 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. 中国科学院大学北京,中国,100049
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20152306.1688
  CLC： TH703
- Received：18 March 2014，
  
  Revised：18 May 2014，
  
  Published：25 June 2015
- 稿件说明：
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徐新行, 刘廷霞, 时魁等. 提高万向轴系式快速反射镜指向精度的装置[J]. 光学精密工程, 2015,23(6): 1688-1694

XU Xin-hang, LIU Ting-xia, SHI Kui etc. Device for improving pointing precision of fast steering mirror with spherical gemel[J]. Editorial Office of Optics and Precision Engineering, 2015,23(6): 1688-1694
徐新行, 刘廷霞, 时魁等. 提高万向轴系式快速反射镜指向精度的装置[J]. 光学精密工程, 2015,23(6): 1688-1694 DOI： 10.3788/OPE.20152306.1688.

XU Xin-hang, LIU Ting-xia, SHI Kui etc. Device for improving pointing precision of fast steering mirror with spherical gemel[J]. Editorial Office of Optics and Precision Engineering, 2015,23(6): 1688-1694 DOI： 10.3788/OPE.20152306.1688.

摘要

为了减小万向轴系式快速反射镜(FSM)的轴向间隙

改善FSM系统的指向精度

设计了一种轴系间隙消除装置.在明确万向轴系式FSM结构原理的基础上

分析了FSM系统指向误差的来源.然后

设计了轴系间隙消除装置

计算了压缩弹簧预紧力并对它的结构参数进行了设定.最后

针对是否装有轴系间隙消除装置的FSM系统的指向精度进行了对比测试.结果表明:该轴系间隙消除装置能够有效改善FSM系统的指向精度

使其在方位方向提高约4.4倍

俯仰方向提高约3.3倍.此外

在刚性支撑轴系基础上设计的弹性轴向间隙消除装置

不仅改善了万向轴系式FSM的指向精度

还为系统的运动部分提供了二次刚性支撑

从而进一步提高了FSM的承载能力.

Abstract

To reduce the axial clearance of a Fast Steering Mirror (FSM) with a spherical gemel and to improve its pointing precision

a device for removing the axial clearance was designed. The structure principle of the FSM with spherical gemel was analyzed and the error sources influencing the pointing precision of FSM were discussed. Then

the device for removing axial clearance was designed

the compress force of a spring was confirmed and its structure parameters were set. Finally

the pointing precisions of FSMs with and without the device for removing axial clearance were tested respectively. The results show that the device for removing axial clearance is very helpful to improve the pointing precision of FSM with spherical gemel

and the azimuth pointing precision has been improved about 4.4 times

the pitching pointing precision has been improved about 3.3 times. The designed flexure device for removing axial clearance not only improves the pointing precision of the FSM but also provides a rigid supporting for the FSM system

so that the carrying capacity of the FSM is increased further.

关键词

Keywords

references

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Related Institution

University of Chinese Academy of Sciences, Beijing 100049, China

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

University of Chinese Academy of Sciences, Beijing 100049, China

Graduate University of Chinese Academy of Sciences

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130021, China

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