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Dual closed-loop detection scheme for differential FOG driven by dual sources

  • Liangya Du
  • , Yuanhong Yang*
  • , Shuai Li
  • , Junyuan Zhang
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

An all digital dual closed-loop detection scheme for the differential fiber optic gyros driven by dual sources (DS-DFOG) is proposed and demonstrated experimentally. A DS-DFOG prototype is developed and the stable scale factor is achieved. The temperature experiment results show that the drift introduced by rapid temperature changes has almost been suppressed, and its bias instability is reduced by more than an order of magnitude compared to the single equivalent FOGs.

Original languageEnglish
Title of host publication29th International Conference on Optical Fiber Sensors
EditorsJose Luis Santos, Manuel Lopez-Amo Sainz, Tong Sun
PublisherSPIE
ISBN (Electronic)9781510691872
DOIs
StatePublished - 2025
Event29th International Conference on Optical Fiber Sensors - Porto, Portugal
Duration: 25 May 2025 → 30 May 2025

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13639
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference29th International Conference on Optical Fiber Sensors
Country/TerritoryPortugal
CityPorto
Period25/05/25 → 30/05/25

Keywords

  • differential FOG
  • dual closed-loop detection
  • temperature error suppression

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