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An improved adaptive filtering algorithm with applications in integrated navigation

  • Long Zhao*
  • , Jing Liu
  • *Corresponding author for this work
  • Beihang University

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

Abstract

This paper presents an adaptive filtering algorithm based on random weighting estimation method to improve the Kalman filtering algorithm's accuracy for dynamic navigation positioning. The method involves the concept of fading filtering algorithm. Theories of random weighting estimation and windowing algorithms are proposed for estimating adaptive fading factors based on innovation vectors and estimating adaptively the covariance matrices of observation noises based on residual vectors. The proposed method in this paper provides an effective solution to resist abnormal observation error and system model error. Experimental results show that compared with traditional adaptive filtering estimation, the proposed method can significantly improve navigation positioning accuracy for dynamic navigation system.

Original languageEnglish
Title of host publicationProceedings - 2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012
Pages182-185
Number of pages4
DOIs
StatePublished - 2012
Event2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012 - Guilin, Guangxi, China
Duration: 31 Jul 20122 Aug 2012

Publication series

NameProceedings - 2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012

Conference

Conference2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012
Country/TerritoryChina
CityGuilin, Guangxi
Period31/07/122/08/12

Keywords

  • Adaptive Filtering
  • Integrated Navigation
  • Kalman filter
  • Random Weighting Estimation

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