Journal of Projectiles, Rockets, Missiles and Guidance >
Research on Adaptive Filter in SINS/GPS Integrated Navigation for Helicopter
Received date: 2014-03-13
Online published: 2025-05-26
Due to complicated working environment of helicopter, Kalman filter in integrated navigation is prone to diverge. In order to improve the system to cope with sudden change, an interactive multiple model adaptive filtering algorithm based on Sage-Husa adaptive filter and strong trackin filter was proposed. The specific implementation was that choosing corresponding adaptive algorithm by judging filter convergence condition in every dimension. Simulation results demonstrate the effectiveness and superiority of the IMM-AF algorithm, which hasimproved navigation accuracy significantly.
LI Zhimin , ZHANG Chunxi , WANG Jue , CHAO Daihong . Research on Adaptive Filter in SINS/GPS Integrated Navigation for Helicopter[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2015 , 35(2) : 41 -44,49 . DOI: 10.15892/j.cnki.djzdxb.2015.02.011
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