Mitigation of Commutation and Sculling Errors by Frequency Domain Development of INS Algorithmic Part

Andrey Soloviev and Frank van Graas

Abstract:	A new approach for improving Inertial Navigation System (INS) accuracy is proposed. The approach utilizes block-processing development of the INS algorithmic part in the frequency-domain. A generic routine for the frequency-domain construction of INS computations is introduced and applied to develop frequency-domain coordinate transformation and attitude computation. Test results presented demonstrate that frequency-domain procedures show a significant improvement over conventional, discrete-time methods in the ability to reconstruct the sculling and coning motion and subsequent reduction in sculling and commutation errors.
Published in:	Proceedings of the 2002 National Technical Meeting of The Institute of Navigation January 28 - 30, 2002 The Catamaran Resort Hotel San Diego, CA
Pages:	330 - 338
Cite this article:	Soloviev, Andrey, van Graas, Frank, "Mitigation of Commutation and Sculling Errors by Frequency Domain Development of INS Algorithmic Part," Proceedings of the 2002 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 2002, pp. 330-338.
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