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Design of nonlinear integral fuzzy sliding mode control for stability loop of FOG inertial platform

  • Beihang University

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

Abstract

To improve the stability accuracy and anti-interference capability of the Fiber Optic Gyroscope (FOG) inertial platform, a Nonlinear Integral Fuzzy Sliding Mode Control (NIFSMC) method that can improve the stability accuracy and anti-interference capability of the inertial platform is proposed. Firstly, a Nonlinear Integral Sliding Mode Control (NISMC) is adopted to rapidly converge the state of the stability loop of the inertial platform to the equilibrium state. Secondly, this article combined fuzzy control and exponential approach law. By designing the fuzzy rules, the parameters of the exponential approach law are adjusted timely. The stability accuracy of the stable loop is improved. Finally, the nonlinear integral fuzzy sliding mode control is verified by simulation experiments. Results show that the NIFSMC method can enhance disturbance rejection ability and improve stability accuracy. Compared with Integral Sliding Mode Control (ISMC) and NISMC, the stability accuracy of NIFSMC is improved by 59.2% and 48.9% respectively.

Original languageEnglish
Title of host publicationSixth International Conference on Intelligent Computing, Communication, and Devices, ICCD 2023
EditorsSrikanta Patnaik
PublisherSPIE
ISBN (Electronic)9781510666252
DOIs
StatePublished - 2023
Event6th International Conference on Intelligent Computing, Communication, and Devices, ICCD 2023 - Hong Kong, China
Duration: 3 Mar 2023 → 5 Mar 2023

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12703
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference6th International Conference on Intelligent Computing, Communication, and Devices, ICCD 2023
Country/TerritoryChina
CityHong Kong
Period3/03/23 → 5/03/23

Keywords

  • Inertial platform
  • fiber optic gyro
  • nonlinear integral fuzzy sliding mode control
  • stability loop

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