Fast Compass Alignment Algorithm of FOG SINS under Sway Condition

Bin Zhou; Wei  Wang

doi:10.4028/www.scientific.net/AMM.321-324.2171

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 321-324Fast Compass Alignment Algorithm of FOG SINS under...

Fast Compass Alignment Algorithm of FOG SINS under Sway Condition

Abstract:

Through research on initial alignment problem of fiber optic gyro SINS in the sway condition, this paper proposed a rapid compass alignment scheme with variable parameters, which can accomplish rapid initial alignment. Firstly, analysted SINS compass alignment principle, and gave a concrete realization method which has the same calculation procedure with full damping navigation algorithm. This method makes the alignment and navigation to use the same set of algorithms, and can effectively reduce algorithm complexity. Simulation and repeatedly sway test results show that the alignment algorithm is effective. The alignment precision and instrument accuracy is consistent, it can meet the requirements of the initial alignment.

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Periodical:

Applied Mechanics and Materials (Volumes 321-324)

Pages:

2171-2176

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.321-324.2171

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Online since:

June 2013

Authors:

Bin Zhou, Wei Wang

Keywords:

Compass Alignment Algorithm, Compass Effect, Fiber Optic Gyro, Full Damping

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References

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