Design of New Attitude Measuring Method of Non-Spinning Projectile Based on Magnetic Sensors

Chao Xiang; Xiong Zhu Bu; Ya Ping Zhu

doi:10.4028/www.scientific.net/AMM.226-228.1825

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 226-228Design of New Attitude Measuring Method of...

Design of New Attitude Measuring Method of Non-Spinning Projectile Based on Magnetic Sensors

Abstract:

Because of the requirement of accurate measurement of projectile’s flying characteristics and limitations of the traditional attitude measuring methods, a new method based on three pairwise-orthogonal magnetic sensors only is presented for non-spinning projectiles. The characteristic ratio theory proposed in our earlier work is described in detail. In order to get the pitch angle with this theory, the mathematical relationship between magnetic sensors output and the theoretical extreme value is derived in this paper. Based on this relation, the extremum ratio method is expanded to be used in non-spinning projectiles. The measurement error of the attitude measuring method is also analyzed in theoy. At last, the simulation of the method is achieved under the given conditions to prove its effectiveness. The simulation experiment results indicate that the method is feasible and the calculating errors of the attitude angles are within ±1°.

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Periodical:

Applied Mechanics and Materials (Volumes 226-228)

Pages:

1825-1828

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.226-228.1825

Citation:

Cite this paper

Online since:

November 2012

Authors:

Chao Xiang, Xiong Zhu Bu, Ya Ping Zhu

Keywords:

Attitude Measurement, Magnetic Sensor, Non-Spinning Projectile, Simulation

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