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

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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A Study on Optimal Placement of Underwater Target Position Tracking System considering Marine Environment

해양환경을 고려한 수중기동표적 위치추적체계 최적배치에 관한 연구

  • Taehyeong Kim (Defense Test & Evaluation Research Institute, Agency for Defense Development) ;
  • Seongyong Kim (Defense Test & Evaluation Research Institute, Agency for Defense Development) ;
  • Minsu Han (Defense Test & Evaluation Research Institute, Agency for Defense Development) ;
  • Kyungjun Song (Department of Mechanical Design Engineering, Pusan National University)
  • 김태형 (국방과학연구소 국방시험연구원) ;
  • 김성용 (국방과학연구소 국방시험연구원) ;
  • 한민수 (국방과학연구소 국방시험연구원) ;
  • 송경준 (부산대학교 기계시스템설계과)
  • Received : 2023.05.12
  • Accepted : 2023.11.20
  • Published : 2023.12.05
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Abstract

The tracking accuracy of buoy-based LBL(Long Base Line) systems can be significantly influenced by sea environmental conditions. Particularly, the position of buoys that may have drifted due to sea currents. Therefore it is necessary to predict and optimize the drifted-buoy positions in the deploying step. This research introduces a free-drift simulation model using ocean data from the European CMEMS. The simulation model's predictions are validated by comparing them to actual sea buoy drift tracks, showing a substantial match in averaged drift speed and direction. Using this drift model, we optimize the initial buoy layout and compare the tracking performance between the center hexagonal layout and close track layout. Our results verify that the optimized layout achieves lower tracking errors compared to the other two layout.

Keywords

Acknowledgement

이 논문은 2023년 국방과학연구소 동해시험장 건설사업의 재원으로 수행된 연구 결과임.

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