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Analysis of signal distortion caused by opening ratio variation of main scale and index scale in linear encoder

  • Xuan Li
  • , Lei Yin
  • , Yong Sheng Shi
  • , Guo Yong Ye
  • , Hao Yu Yu
  • , Hong Zhong Liu
  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

Linear encoder as an important displacement measurement device has been widely used in manufacturing industry. The accuracy of linear encoder is based on the precision of its scales. In this article, the manufacturing process of the scales based on photolithography process and etching process was discussed in order to explain the opening ratio variation. A mathematical model was derived to analyze the effects of opening ratio variation on the waveform of output signal. The result shows that the waveform of the signal is cut off in comparison with the ideal waveform, and the magnitude of the output signal is changed.

Original languageEnglish
Title of host publicationAdvances in Manufacturing Science and Engineering
Pages1833-1837
Number of pages5
DOIs
StatePublished - 2013
Event4th International Conference on Manufacturing Science and Engineering, ICMSE 2013 - Dalian, China
Duration: 30 Mar 201331 Mar 2013

Publication series

NameAdvanced Materials Research
Volume712-715
ISSN (Print)1022-6680

Conference

Conference4th International Conference on Manufacturing Science and Engineering, ICMSE 2013
Country/TerritoryChina
CityDalian
Period30/03/1331/03/13

Keywords

  • Fringe
  • Linear encoder
  • Moiré
  • Opening ratio
  • Signal distortion

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