Simulation of Trajectory Correction for an Impulse Control Mortar Projectile with a Strapdown Laser Seeker

Xiao Bing Cao; Yi Cen Xu; Chang Ying Rui; Zheng Ya Shan

doi:10.4028/www.scientific.net/AMM.367.377

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 367Simulation of Trajectory Correction for an Impulse...

Simulation of Trajectory Correction for an Impulse Control Mortar Projectile with a Strapdown Laser Seeker

Abstract:

Aiming at improving the precision of mortar projectiles, an impulse control mechanism is proposed in this paper. The guidance uses a four-quadrant strapdown laser seeker to detect the intended target and utilizes impulse thrusters to correct the terminal trajectory. Based on the analysis of impulse forces and impulse moments, the 6-DOF equations for the trajectory under control are deduced. Also, the model of the seeker’s acquisition area is established. Numerical simulations of typical corrected trajectories are carried out with the computer programs developed in C code. The results indicate that the impulse thrusters can improve impact point performance effectively. The models and the control algorithms are applicable to the simulation and calculation for similar projectiles.

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Periodical:

Applied Mechanics and Materials (Volume 367)

Pages:

377-381

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.367.377

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Cite this paper

Online since:

August 2013

Authors:

Xiao Bing Cao, Yi Cen Xu, Chang Ying Rui, Zheng Ya Shan

Keywords:

Impulse Thruster, Mortar Projectile, Strapdown Laser Seeker, Trajectory Correction

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