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2002•Journal of Chinese Inertial TechnologyRequires access

Study on Some Questions of Attitude Algorithm for Strapdown Inertial Navigation System

Qin Yong-yuan

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Abstract

The attitude updating algorithm is an determinant factor in strapdown inertial navigation system(SINS). This paper studies the rotation vector algorithm, and their improved algorithms are discussed under the coning base motion. The simulation results show that when the sample frequency is higher, the accuracy of the rotation vector algorithm is better.

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What this paper is about

The attitude updating algorithm is an determinant factor in strapdown inertial navigation system(SINS). This paper studies the rotation vector algorithm, and their improved algorithms are discussed under the coning base motion. The simulation results show that when the sample frequency is higher, the accuracy of the rotation vector algorithm is better.

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Available abstract

The attitude updating algorithm is an determinant factor in strapdown inertial navigation system(SINS). This paper studies the rotation vector algorithm, and their improved algorithms are discussed under the coning base motion. The simulation results show that when the sample frequency is higher, the accuracy of the rotation vector algorithm is better.

Key concepts: Inertial navigation system, Rotation (mathematics), Algorithm, Inertial frame of reference, Rotation matrix, Base (topology), Sample (material), Computer science

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