An outlier rejecting and adaptive filter algorithm applied in MEMS-SINS/GPS

Jing Shi*, Ling Juan Miao, Mao Lin Ni

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

An outlier rejecting and adaptive filter is proposed against the influence of outliers in measurements and inaccurate noise statistical characteristics on Kalman filter. This algorithm computes the fading factors or performs outlier rejecting calculations by real-time monitoring the predicted residuals, such that the filter can still be optimal when there are outliers in measurements and when statistical characteristics are inaccurate. This approach is applied to the MEMS-SINS/GPS integrated navigation system, and simulation results show that the new algorithm is effective at the aspect of reducing the impact of outliers and inaccurate noise statistical characteristics.

Original languageEnglish
Pages (from-to)2711-2716
Number of pages6
JournalYuhang Xuebao/Journal of Astronautics
Volume31
Issue number12
DOIs
Publication statusPublished - Dec 2010

Keywords

  • Adaptive
  • Integrated navigation
  • Micro electro mechanical system
  • Outlier rejecting
  • Strapdown inertial navigation system

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