Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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High-Altitude Terminal Guidance and Control Loop Design Using Thrust Vector Control

추력벡터제어를 이용한 고고도 종말 유도조종 루프 설계

  • Jeon, Ha-Min (Department of Aerospace Engineering, Inha University) ;
  • Park, Jongho (Department of Military Digital Convergence, Ajou University) ;
  • Ryoo, Chang-Kyung (Department of Aerospace Engineering, Inha University)
  • Received : 2022.03.07
  • Accepted : 2022.05.09
  • Published : 2022.06.01
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Abstract

The Divert and Attitude Control System(DACS) used in high-altitude engagements is expensive and complex. In this paper, we design a high-altitude terminal guidance and control loop of guided-missile equipped with a Thrust Vector Control(TVC) that is less expensive and simpler than DACS. The proposed system utilizes a quaternion feedback control technique to track the thrust attitude command converted from the acceleration command of true proportional navigation guidance. The performance analysis of the proposed terminal guidance and control loop is conducted through engagement simulations against ballistic targets at a high altitude.

고고도 교전 시 사용되는 궤도수정 및 자세제어 시스템(Divert and Attitude Control System, DACS)은 고가이며 복잡하다. 본 논문에서는 비교적 단순하고 저가인 추력벡터제어(Thrust Vector Control, TVC)를 탑재한 유도탄의 고고도 종말 유도조종 루프를 제안한다. 본 유도조종 루프는 쿼터니언 피드백 제어기법을 이용하여 진 비례항법유도로 산출된 가속도 명령으로부터 변환된 추력 자세각 명령을 추종하며 유도를 수행한다. 고고도에서 탄도탄에 대한 교전 시뮬레이션을 통하여 제안한 유도조종 루프의 성능을 분석한다.

Keywords

Acknowledgement

본 연구는 광역방어 특화연구센터 프로그램의 일환으로 국방과학연구소와 방위사업청의 지원으로 수행되었음(계약번호 : UD200043CD).

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