Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Fitting Coefficient Setting Method for the Modified Point Mass Trajectory Model Using CMA-ES

CMA-ES를 활용한 수정질점탄도모델의 탄도수정계수 설정기법

  • An, Seil (The 5th Research and Development Institute, Agency for Defense Development) ;
  • Lee, Kyo Bok (The 5th Research and Development Institute, Agency for Defense Development) ;
  • Kang, Tae Hyung (The 5th Research and Development Institute, Agency for Defense Development)
  • 안세일 (국방과학연구소 제5기술연구본부) ;
  • 이교복 (국방과학연구소 제5기술연구본부) ;
  • 강태형 (국방과학연구소 제5기술연구본부)
  • Received : 2015.07.06
  • Accepted : 2015.12.18
  • Published : 2016.02.05
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Abstract

To make a firing table of artillery with trajectory simulation, a precise trajectory model which corresponds with real firing test is required. Recent 4-DOF modified point mass trajectory model is considered accurate as a theoretical model, but fitting coefficients are used in calculation to match with real firing test results. In this paper, modified point mass trajectory model is presented and method of setting ballistic coefficient is introduced by applying optimization algorithms. After comparing two different algorithms, Particle Swarm Optimization and Covariance Matrix Adaptation - Evolutionary Strategy, we found that using CMA-ES algorithm gives fine optimization result. This fitting coefficient setting method can be used to make trajectory simulation which is required for development of new projectiles in the future.

Keywords

References

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  1. Simulation-Based Early Prediction of Rocket, Artillery, and Mortar Trajectories and Real-Time Optimization for Counter-RAM Systems vol.2017, 2017, https://doi.org/10.1155/2017/8157319