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Rapid fine strapdown ins alignment method under marine mooring condition

  • Wei Gao*
  • , Yueyang Ben
  • , Xin Zhang
  • , Qian Li
  • , Fei Yu
  • *Corresponding author for this work
  • Harbin Engineering University

Research output: Contribution to journalArticlepeer-review

Abstract

In order to solve the strapdown inertial navigation system (INS) alignment problem under the marine mooring condition, the rapid strapdown INS fine alignment method is proposed. This method uses the gravity in the inertial frame to deal with the lineal and angular disturbances. Also the forward and backward processes for strapdown INS calculation and filter estimation are designed. Making use of the forward and backward processes to repeatedly process the saved inertial measurement unit (IMU) data sequence could quickly obtain the initial strapdown attitude matrix. Simulation and trial test validate the performance of the proposed rapid fine strapdown INS alignment.

Original languageEnglish
Article number6034671
Pages (from-to)2887-2896
Number of pages10
JournalIEEE Transactions on Aerospace and Electronic Systems
Volume47
Issue number4
DOIs
StatePublished - Oct 2011
Externally publishedYes

UN SDGs

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

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

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