Modeling and Optimizing of Random Gyro Drift Based on AR and GP

Lin Lv; Wei Quan

doi:10.4028/www.scientific.net/AMM.602-605.821

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 602-605Modeling and Optimizing of Random Gyro Drift Based...

Modeling and Optimizing of Random Gyro Drift Based on AR and GP

Abstract:

Gyroscope is the key component in an Inertial Navigation System (INS). It depends on the precision of the INS. The nonlinear random drift error model based on autoregressive (AR) and genetic programming (GP) was established. The linear model is established based on AR technique. After that, the nonlinear model is built based on GP technique. The result indicates that the square error of the random gyro drift is reduced by 74.5%. The hybrid modeling method can effectively compensate the random gyro drift and improve the stability of the system.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

821-825

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.821

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Online since:

August 2014

Authors:

Lin Lv, Wei Quan*

Keywords:

Ar, Gp, Gyroscope, Modeling of Random Drift

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* - Corresponding Author

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