Application of pseudorandom code in absolute photoelectric angle encoder

LUO Shi-kui; WANG Guo-qiang; WANG Ji-xin; KANG Fu-ao; HAN Bai-lin; SHAN Yong-nian

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Application of pseudorandom code in absolute photoelectric angle encoder

更新时间：2020-08-12

- Application of pseudorandom code in absolute photoelectric angle encoder
- Optics and Precision Engineering Vol. 11, Issue 6, Pages: 596-601(2003)
- 作者机构：
  
  1. 吉林大学,吉林长春,130021
  2. 长春第一光学仪器厂,吉林长春,130022
  3. 中国科学院, 长春光学精密机械与物理研究所,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212.14
- Received：13 April 2003，
  
  Revised：14 October 2003，
  
  Published Online：15 December 2003，
  
  Published：15 December 2003
- 稿件说明：
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罗世魁, 王国强, 王继新, 康福鳌, 韩柏林, 单永年. 伪随机码在绝对式光电轴角编码器中的应用[J]. 光学精密工程, 2003,(6): 596-601

LUO Shi-kui, WANG Guo-qiang, WANG Ji-xin, KANG Fu-ao, HAN Bai-lin, SHAN Yong-nian. Application of pseudorandom code in absolute photoelectric angle encoder[J]. Editorial Office of Optics and Precision Engineering, 2003,(6): 596-601
罗世魁, 王国强, 王继新, 康福鳌, 韩柏林, 单永年. 伪随机码在绝对式光电轴角编码器中的应用[J]. 光学精密工程, 2003,(6): 596-601 DOI：

LUO Shi-kui, WANG Guo-qiang, WANG Ji-xin, KANG Fu-ao, HAN Bai-lin, SHAN Yong-nian. Application of pseudorandom code in absolute photoelectric angle encoder[J]. Editorial Office of Optics and Precision Engineering, 2003,(6): 596-601 DOI：

摘要

介绍了中国光电轴角编码器制造业中新出现的一种绝对式编码器

伪随机码绝对式光电轴角编码器.阐述了伪随机码绝对式光电轴角编码器的编码方法、技术要点及特点.伪随机码绝对式编码器采用M序列伪随机码作为编码方法

采用双狭缝技术进行分时位置读取

并采用ROM元件进行译码输出.伪随机码可以在一条码道上存储多位信息

多位码盘只需要一条码道

极大限度缩小了码盘直径

为国内生产小型化的多位绝对式编码器开辟了新途径.

Abstract

The encoding method

the key technology and the characteristics of pseudorandom code absolute photo electric axial angle encoder are detailed. M sequence pseudorandom code is used for encoding the pseudorandom code absolute encoder

double slit technique is used to perform time sharing reading and ROM is used as the coding device. Multi-bit information can therefore be stored on a single track

using pseudorandom code.

关键词

Keywords

references

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赵思宏,范惠林. 电机转矩转速测量方法的分析[J]. 光学精密工程,2002,10(3):290-294.ZHAO S H, FAN H L. Research on the measurement of motors, torque and rotational speed[J].Optics and Precision Engineering, 2002,10(3):290-294.(in Chinese)

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Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China

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