A new error compensation strategy on Laser Displacement Sensor in free-form surface measurement

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1 Scopus citations

Abstract

The Laser Displacement Sensor is designed according to the principle of laser triangulation. It is a precise geometric measurement sensor, and it is characterized by non-contact and high measuring efficiency. However, the measurement accuracy of the LDS is easily influenced by other factors, especially for free-form surfaces where the incidence angle has greater impact on measurement accuracy and the research is relatively less. The paper proposes a new error compensation strategy and the method of calculating incidence angle. It can effectively improve the measurement accuracy of free-form surfaces by inclination error compensation. The experiment verifies the correctness and reliability of the error model by using a Laser Interferometer. The result shows that the measurement accuracy is less than 10μm.

Original languageEnglish
Title of host publicationOptifab 2015
EditorsSebastian Stoebenau, Julie L. Bentley
PublisherSPIE
ISBN (Electronic)9781628418385
DOIs
StatePublished - 2015
EventOptifab 2015 - Rochester, United States
Duration: 12 Oct 201515 Oct 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9633
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceOptifab 2015
Country/TerritoryUnited States
CityRochester
Period12/10/1515/10/15

Keywords

  • Blade
  • Error compensation
  • Free-form surface
  • Laser Displacement Sensor
  • Triangulation measurement principle

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