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Analysis of quadrature phase-shift error caused by angular misalignment in moiré linear encoders

  • Xi'an Jiaotong University

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

3 Scopus citations

Abstract

The influence of quadrature phase shift caused by angular misalignment on the measurement accuracy of two moiré linear encoders is analyzed. A mathematical model of quadrature phase-shift error is derived. The model is employed to analyze the quadrature phase-shift error in lateral-moiré-fringe-based and Vernier-moiré-fringe-based linear encoders respectively, and comparisons are carried out. The results show the nonlinearity of the quadrature phase-shift error and the relative insensitivity of the Vernier-moiré-fringe-based linear encoders to the angular misalignment.

Original languageEnglish
Title of host publicationAdvances in Manufacturing Science and Engineering
Pages1863-1867
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

  • Angular misalignment
  • Linear encoders
  • Moiré fringe
  • Quadrature phase-shift error

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