TITLE

An Improved FADS Algorithm for Spinning Projectile

AUTHOR(S)
Wu Youcheng; Han Yan; Zhang Pizhuang
PUB. DATE
February 2012
SOURCE
Journal of Convergence Information Technology;Feb2012, Vol. 7 Issue 3, p68
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this paper, an improved Flush Air Data Sensing (FADS) algorithm is proposed to the test for spinning projectile attitude. Firstly, it analyzes the process to solve the angle of attack using FADS algorithm, points out the basic conditions which cannot meet the algorithm under the spinning projectile environment, and conducts the simulation to show that the correct results cannot be obtained using this algorithm. Secondly, the novel improved FADS algorithm is designed. By redefining angle of attack for spinning projectile and taking into account the rotation angle, the improved formulas and algorithms are derived which could get angle of attack parameters correctly. Finally, the simulation results indicate that the improved algorithm can obtain the correct parameters of angle of attack under the spinning projectile environment.
ACCESSION #
76408017

 

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