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Journal of Projectiles, Rockets, Missiles and Guidance >

2022 , Vol. 42 >Issue 2: 122 - 128

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2022.02.022

Calculation Method of Laser Terminal Guidance Projectile Firing Data Based on PSO

  • XU Chao 1 ,
  • WANG Zhilin 1 ,
  • WANG Wugang 2 ,
  • ZHOU Yongjia 2 ,
  • BAI Chan 2
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  • 1 School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China
  • 2 Northwest Industries Group Co., Ltd., Xi’an 710043, China

Received date: 2021-11-24

  Online published: 2025-05-29

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Abstract

In order to the problem of long time-consuming and poor accuracy of traditional firing data methods, a calculation method of laser terminal guidance projectile firing data based on PSO is proposed. The aerodynamic force and force acting on the projectile are analyzed. The 6 degrees of freedom trajectory model is established, and analyze the influence of weather on projectile parameters. Apply Runge-Kutta method for trajectory calculation, and provide aerodynamic parameter identification method, which checks the trajectory. Analyze the impact on the range when the parameters such as rearsight change are changed. using parameters as variables, the optimal solution is obtained by PSO optimization and as the corresponding data value of the firing data. The effectiveness of the training is tested, verified by mathematical simulation and target practice. The results show that the correctness of the proposed method is verified, and with the firing data obtained by PSO method, projectiles impact the targets precisely in the flight tests. This paper provides a reference for engineering application for the future.

Key words： calculate firing data; laser terminal guidance projectile; Runge-Kutta method; particle swarm optimization

Cite this article

XU Chao , WANG Zhilin , WANG Wugang , ZHOU Yongjia , BAI Chan . Calculation Method of Laser Terminal Guidance Projectile Firing Data Based on PSO[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2022 , 42(2) : 122 -128 . DOI: 10.15892/j.cnki.djzdxb.2022.02.022

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