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Journal of Projectiles, Rockets, Missiles and Guidance >

2023 , Vol. 43 >Issue 4: 111 - 116

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.04.017

An Online Missile Trajectory Planning Method for Medium and Short Range Missiles

  • ZHANG Mengdian ,
  • GAO Dengwei ,
  • DONG Shimeng ,
  • MIAO Haochun
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  • Xi'an Modern Control Technology Research Institute, Xi'an 710065, Shaanxi, China

Received date: 2023-04-27

  Online published: 2025-02-07

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Abstract

To meet the demand of combat missions of medium and short range missiles, which are required to be applied in wide environments with high accuracy, an online trajectory planning method for missile is designed. This method girds a large number of trajectories which are designed offline, and uses tree-like structure to store trajectories, to reduce the space occupied for storage. In online application, Piecewise polynomial is used to restore gridded trajectories, the parameters of which are acquired by building and solving QP problem, to get the initial values of control instructions. Furthermore, control instructions are used for the integration calculation of the trajectory to predict the end point of the trajectory, and another QP problem is set up according to the error between the end point and the target, to solve the adjustments of control instructions. The method is simulated and tested on MATLAB, and the results indicate that the method can complete the optimization of a trajectory in a short time, while the trajectory is smooth, continuous and meets all restraint conditions.

Key words： trajectory planning; piecewise polynomial; quadratic programming; predictor-corrector method

Cite this article

ZHANG Mengdian , GAO Dengwei , DONG Shimeng , MIAO Haochun . An Online Missile Trajectory Planning Method for Medium and Short Range Missiles[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2023 , 43(4) : 111 -116 . DOI: 10.15892/j.cnki.djzdxb.2023.04.017

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