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

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Behavioral Decentralized Optimum Controller Design for UAV Formation Flight

무인기 군집비행을 위한 행위기반 분산형 최적제어기 설계

  • 김승균 (서울대학교 기계항공공학부) ;
  • 김유단 (서울대학교 기계항공공학부)
  • Published : 2008.06.01
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Abstract

The behavior-based decentralized approach is considered for multi-UAV formation flight. It is assumed that each UAV has its own mission of flying to a specified region, while the distances between UAVs should be maintained. These two requirements may conflict with each other. To design the controller, coupled dynamics approach is applied to multi-UAVs with an assumption that each UAV can communicate with each other to share the state-information. Control gain matrices are optimized to acquire better performances of formation flying. To validate the proposed control approach, numerical simulation is performed for the waypoint-passing mission of multi-UAVs.

본 연구에서는 다수 무인기의 군집비행을 위한 행위기반 분산형 제어기법을 제안한다. 각 무인기는 특정한 영역으로 비행해야하는 고유의 임무와 동시에 무인기 간의 거리를 유지해야하는 요구조건도 가지고 있다. 이러한 두 가지 요구조건은 서로 상충된다. 제어기를 설계하기 위하여 각 무인기가 통신채널을 통하여 상태변수를 교환할 수 있다는 가정 하에 결합형 동역학을 적용하였다. 군집비행의 성능을 개선하기 위하여 제어이득 행렬의 최적화를 수행하였다. 제어기의 성능을 평가하기 위하여 다수 무인기의 경로점 통과 임무를 위한 수치 시뮬레이션을 수행하였다.

Keywords

References

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