Design for spaceborne absolute photoelectric encoder of dual numerical system

WAN Qiu-hua; SUN Ying; WANG Shu-jie; SHE Rong-hong; LU Xin-ran; LIANG Li-hui

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Design for spaceborne absolute photoelectric encoder of dual numerical system

Article | 更新时间：2020-08-12

- Design for spaceborne absolute photoelectric encoder of dual numerical system
- Optics and Precision Engineering Vol. 17, Issue 1, Pages: 52-57(2009)
- 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 130033
  2. 中国科学院研究生院,北京 100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212.12
- Received：06 August 2008，
  
  Revised：17 September 2008，
  
  Published Online：25 January 2009，
  
  Published：25 January 2009
- 稿件说明：
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万秋华, 孙莹, 王树洁, 佘容红, 卢新然, 梁立辉. 双读数系统的航天级绝对式光电编码器设计[J]. 光学精密工程, 2009,17(1): 52-57

WAN Qiu-hua, SUN Ying, WANG Shu-jie, SHE Rong-hong, LU Xin-ran, LIANG Li-hui. Design for spaceborne absolute photoelectric encoder of dual numerical system[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 52-57
万秋华, 孙莹, 王树洁, 佘容红, 卢新然, 梁立辉. 双读数系统的航天级绝对式光电编码器设计[J]. 光学精密工程, 2009,17(1): 52-57 DOI：

WAN Qiu-hua, SUN Ying, WANG Shu-jie, SHE Rong-hong, LU Xin-ran, LIANG Li-hui. Design for spaceborne absolute photoelectric encoder of dual numerical system[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 52-57 DOI：

摘要

为了有效地减小航天相机的体积

减轻其重量并满足冷备份要求

设计了双读数系统的航天级绝对式光电编码器。根据航天相机的要求

对绝对式光学码盘进行了小型化设计;根据码盘的特点

研制了双读数狭缝盘及读数系统;最后

对设计的双读数系统的航天级绝对式光电编码器进行了精度检测。实验结果表明:双读数系统的航天级绝对式光电编码器外形尺寸为50 mm32 mm、重量为150 g、分辨力为20、精度30。本编码器具有读数系统冷备份功能

且体积小、重量轻、抗干扰能力强

可满足航天相机的要求。

Abstract

In order to minimize volume

lighten the weight of a spaceflight camera effectively and satisfy the requirement of cold copy

the design for spaceborne absolute photoelectric encoder of dual numerical system is put forward in this paper. Based on the requirements of the spaceflight camera

the miniaturization design is applied to absolute optical code disc; Then

a dual numerical reading slit disc and a numerical reading system are developed according to the characteristic of code disc; finally

the precision test is implemented on the spaceborne absolute photoelectric encoder with dual numerical reading system. The experimental result shows that the photoelectric encoder in outline dimension of 50 mm32 mm

weight of 150 g can offer its resolution of 20and precision lower than 30. The encoder has the function of cold copy for numerical reading system

and shows its advantages of small volume

light weight and high resistance

which can meet the requirements of spaceflight camera.

关键词

Keywords

references

董莉莉,熊经武. 光电轴角编码器的发展动态[J]. 光学精密工程,2000,8(2): 198-202. DONG L L,XIONG J W.Development of photoelectric rotary encoder[J].Opt.Precision Eng.,2000,8(2):198-202. (in Chinese)[2] EVITON I D B ,KIRK J,LOBSINGER I .Ultra—high resolution Cartesian abosolute optical encoder[J].SPIE,2003,5190:111-121.[3] 熊文卓,孔智勇,张炜. 光电轴角编码器光电信号正交性偏差的相量校正方法[J]. 光学精密工程,2007,11: 1745-1748. XIONG W ZH,KONG ZH Y,ZHANG W. Phase correction of quartering deviation of photoelectric rotary encoder[J]. Opt. Precision Eng., 2007,11: 1745-1748.(in Chinese)[4] 曹振夫. 小型绝对式矩阵编码器[J]. 光学机械,1995,5:65-70. CAO ZH F. Micro absolute matrix encoder[J]. Optics and Fine Mechanics,1995,5:65-70.(in Chinese)[5] 佘琳,冯长有,丁林辉. 两步法测量编码器测角误差[J]. 光学精密工程,2004,12(1): 66-70. SHE L,FENG CH Y,DING L H. Measurement of encoder errors with two-step method . Opt.Precision Eng,2004,12(1): 66-70.(in Chinese)[6] 邓方,陈杰,陈文颉,等. 一种高精度的光电编码器检测方法及其装置[J]. 北京理工大学学报,2007,27(11):977-980. DENG F, CHEN J,CHEN WJ,et al.. A high precision test method and apparatus for photoelectric encoder[J]. Journal of Beijing Institute of Technology(Natural Science Edition),2007,27(11):977-980,1008.(in Chinese)[7] 洪喜,续志军,杨宁. 基于径向基函数网络的光电编码器误差补偿法[J]. 光学精密工程,2008,16(4):598-604. HONG X,XU ZH J,YANG N. Error compensation of optical encoder based on RBF network method[J].Opt.Precision Eng.,2008,16(4):598-604.(in Chinese)

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