A Novel GPS/INS Loose Integrated Navigation Algorithm

Zhi Chao Zheng; Jin Yue

doi:10.4028/www.scientific.net/AMR.823.479

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 823A Novel GPS/INS Loose Integrated Navigation...

A Novel GPS/INS Loose Integrated Navigation Algorithm

Abstract:

This paper describes a novel GPS/INS loose integrated navigation algorithms which is intended for applications with GPS signal is obtained at intervals of an hour or even longer. Since the constant errors of IMU can be removed greatly by dual-axis modulation, stochastic error introduced by the gyros of IMU is the main systemic error source which leads the azimuth error to divergent as a function of time, the novel method called Two Point Correction (TPC) is applied to compensate the stochastic error. The psi-angle differential equations are used to estimate the azimuth error of INS. As a result, the methods implemented for the real system and the performance is significantly enhanced, while the required numerical methods are simple and efficient.

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Periodical:

Advanced Materials Research (Volume 823)

Pages:

479-484

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.823.479

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Online since:

October 2013

Authors:

Zhi Chao Zheng, Jin Yue

Keywords:

Error Compensation, GPS, Inertial Navigation System, Integration Navigation

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References

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