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A Large Range X-Y Parallel Micro-motion System with Optical Encoder Displacement Feedback

Research output: Chapter in Book/Report/Conference proceedingsConference proceedingpeer-review

Abstract

Linear optical encoders with a nano-resolution have been widely applied in various precision engineering fields for displacement feedback supporting micro/nano motions regulated by feedback control systems. However such sensing method is sensitive to assembly tolerance in the lateral motion (perpendicular to the primary direction), which limits its applications to single-axis motion systems or very small stroke multi-axis motion systems. In this paper, a large range X-Y parallel flexure-beam based micro-motion system is developed with an enhanced sensing framework employing two linear optical encoders to measure the two-axis large outputs. Meanwhile, both the open-loop and preliminary closed-loop experiments are conducted, demonstrating effectiveness of the proposed design and accurate sensing capability of the sensing framework.

Original languageEnglish
Title of host publication2018 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale, 3M-NANO 2018 - Proceedings
EditorsMiao Yu, Zhankun Weng
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages283-287
Number of pages5
ISBN (Electronic)9781538662144
DOIs
Publication statusPublished - 28 Nov 2018
Event8th IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale, 3M-NANO 2018 - Hangzhou, China
Duration: 13 Aug 201817 Aug 2018

Publication series

Name2018 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale, 3M-NANO 2018 - Proceedings

Conference

Conference8th IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale, 3M-NANO 2018
Country/TerritoryChina
CityHangzhou
Period13/08/1817/08/18

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • compliant mechanism
  • Large range micro stage
  • linear optical encoder

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