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2010•Aerospace ControlRequires access

Study on Attitude Algorithms for Strapdown Inertial Navigation System

Hao Fujian

Open publisher page 5 citations

Abstract

Attitude matrix is represented by quaternion and rotation vector in strapdown inertial navigation system.The quaternion algorithm and the improved rotation vector algorithm are discussed under the condition of conical motion.Simulation results show that when the sample frequency is higher,the accuracy of the rotation vector algorithm is better than that of quaternion algorithm.

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What this paper is about

Attitude matrix is represented by quaternion and rotation vector in strapdown inertial navigation system.The quaternion algorithm and the improved rotation vector algorithm are discussed under the condition of conical motion.Simulation results show that when the sample frequency is higher,the accuracy of the rotation vector algorithm is better than that of quaternion algorithm.

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Available abstract

Attitude matrix is represented by quaternion and rotation vector in strapdown inertial navigation system.The quaternion algorithm and the improved rotation vector algorithm are discussed under the condition of conical motion.Simulation results show that when the sample frequency is higher,the accuracy of the rotation vector algorithm is better than that of quaternion algorithm.

Key concepts: Quaternion, Rotation matrix, Inertial navigation system, Rotation (mathematics), Algorithm, Inertial frame of reference, Matrix (chemical analysis), Computer science

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