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Real Time Airborne Terrain Aided Inertial Navigation System in Multi-resolution Terrain

  • Rui Chen
  • , Qieqie Zhang
  • , Long Zhao*
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In view of the problem that the terrain aided navigation solution needs to set the filtering parameters according to the resolution of terrain elevation database, this paper proposes a real-time airborne terrain aided inertial navigation system in multi-resolution terrain. The system obtains the terrain elevation data with the highest resolution under the carrier flight in real time through configuration file. The fast adaptability analysis of the planning area is carried out for different resolution terrain data, and the corresponding filtering and divergence parameters are adjusted to improve the applicability of terrain aided navigation system. The simulation test and comparative analysis are carried out by using the actual digital map elevation data and the simulated flight trajectory. The test results show that the system can effectively reduce the time consumption of the adaptability analysis and improve the applicability of terrain aided navigation system.

Original languageEnglish
Title of host publicationProceedings of 2021 Chinese Intelligent Systems Conference - Volume II
EditorsYingmin Jia, Weicun Zhang, Yongling Fu, Zhiyuan Yu, Song Zheng
PublisherSpringer Science and Business Media Deutschland GmbH
Pages423-433
Number of pages11
ISBN (Print)9789811663239
DOIs
StatePublished - 2022
Event17th Chinese Intelligent Systems Conference, CISC 2021 - Fuzhou, China
Duration: 16 Oct 202117 Oct 2021

Publication series

NameLecture Notes in Electrical Engineering
Volume804 LNEE
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

Conference17th Chinese Intelligent Systems Conference, CISC 2021
Country/TerritoryChina
CityFuzhou
Period16/10/2117/10/21

Keywords

  • Adaptability analysis
  • Filter divergence detection
  • Multi-resolution terrain
  • Terrain aided navigation

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