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《Acta Armamentarii》 2004-05
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METHOD OF INITIAL ALIGNMENTS OF A SHORT RANGE MISSILE WITH STRAPDOWN INERTIAL GUIDANCE SYSTEM

Qi Zhanyuan Zhang Jing Zhu Boli (Beijing Institute of Technology, Beijing, 100081)  
In order to solve the problem of initial alignment for a short range strapdown inertial guided missile when the launcher was supported on the shoulder of an antitank personnel, and to analyze the influenc of the inertial sensor errors to alignment, the method of initial alignment was suggested. The alignment method measures and takes the average of initial disturbance accelerations before firing the missile. Establishment of the method was based on alignment experiments. Mathematical model of initial alignments was set up by projecting the specific force vector to a stable temporary platform coordinate system in an inertial space. An error analysis model was obtained through coordinate and similarity transformations. The initial alignment model was verified and validated through digital simulation experoments. Error distribution of inertial sensors is provided based on the error analysis model.
【CateGory Index】: TJ765
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【References】
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Chinese Journal Full-text Database 10 Hits
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【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 LI Zhao,XU Wenxu(No.63961 Unit,Beijing 100012,China);A Low-cost Concept of the Training Simulator of the Man-protable Missile[J];Journal of Projectiles,Rockets,Missiles and Guidance;2010-05
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