A quaternion-based method for SINS/SAR integrated navigation system

Zhong, Y, Gao, S and Li, W 2012, 'A quaternion-based method for SINS/SAR integrated navigation system', IEEE Transactions on Aerospace and Electronic Systems, vol. 48, no. 1, pp. 514-524.


Document type: Journal Article
Collection: Journal Articles

Title A quaternion-based method for SINS/SAR integrated navigation system
Author(s) Zhong, Y
Gao, S
Li, W
Year 2012
Journal name IEEE Transactions on Aerospace and Electronic Systems
Volume number 48
Issue number 1
Start page 514
End page 524
Total pages 11
Publisher Institute of Electrical and Electronics Engineers
Abstract A new quaternion-based method for the SINS/SAR (strap-down inertial navigation system/synthetic aperture radar) integrated navigation system is presented. This method overcomes the shortcomings due to the linear SINS error model used in the currently existing SINS/SAR integrated navigation systems. A quaternion-based matrix is derived for describing the attitude of SINS. Quaternion-based nonlinear error and observation models are established for the SINS/SAR integrated navigation system. An adaptive unscented particle filtering (UPF) algorithm is developed based on the quaternion-based nonlinear models for optimal data fusion in the SINS/SAR integrated navigation system. Experimental results demonstrate that the proposed quaternion based method can effectively reduce the navigation error and improve the navigational positioning precision.
Subject Aircraft Performance and Flight Control Systems
Aerospace Structures
DOI - identifier 10.1109/TAES.2012.6129652
Copyright notice © 2006 IEEE
ISSN 0018-9251
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