A class of coning algorithms based on a half-compressed structure

Aiming to advance the coning algorithm performance of strapdown inertial navigation systems, a new half-compressed coning correction structure is presented. The half-compressed algorithm structure is analytically proven to be equivalent to the traditional compressed structure under coning environmen...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2014-08, Vol.14 (8), p.14289-14301
Main Authors: Tang, Chuanye, Chen, Xiyuan
Format: Article
Language:English
Subjects:
Accuracy
Algorithms
Attitudes
Compressed
compressed algorithm
coning environment
Environment
Equivalence
Geographic Information Systems - instrumentation
half-compressed algorithm
Image Processing, Computer-Assisted - instrumentation
Image Processing, Computer-Assisted - methods
maneuver environment
Maneuvers
Mathematical analysis
Mathematical models
Models, Theoretical
Navigation systems
Sensors
Strapdown inertial navigation
uncompressed algorithm
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Summary:Aiming to advance the coning algorithm performance of strapdown inertial navigation systems, a new half-compressed coning correction structure is presented. The half-compressed algorithm structure is analytically proven to be equivalent to the traditional compressed structure under coning environments. The half-compressed algorithm coefficients allow direct configuration from traditional compressed algorithm coefficients. A type of algorithm error model is defined for coning algorithm performance evaluation under maneuver environment conditions. Like previous uncompressed algorithms, the half-compressed algorithm has improved maneuver accuracy and retained coning accuracy compared with its corresponding compressed algorithm. Compared with prior uncompressed algorithms, the formula for the new algorithm coefficients is simpler.
ISSN:1424-8220
1424-8220
DOI:10.3390/s140814289