Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
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Genetic algorithm based multi-UAV mission planning method considering temporal constraints

시간 제한 조건을 고려한 유전 알고리즘 기반 다수 무인기 임무계획기법

  • Received : 2023.01.10
  • Accepted : 2023.03.02
  • Published : 2023.04.30
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Abstract

For Multi-UAV systems, a task allocation could be a key factor to determine the capability to perform a task. In this paper, we proposed a task allocation method based on genetic algorithm for minimizing makespan and satisfying various constraints. To obtain the optimal solution of the task allocation problem, a huge calculation effort is necessary. Therefore, a genetic algorithm-based method could be an alternative to get the answer. Many types of UAVs, tasks, and constraints in real worlds are introduced and considered when tasks are assigned. The proposed method can build the task sequence of each UAV and calculate waiting time before beginning tasks related to constraints. After initial task allocation with a genetic algorithm, waiting time is added to satisfy constraints. Multiple numerical simulation results validated the performance of this mission planning method with minimized makespan.

다수 무인기 체계에서 임무할당은 임무 수행 능력을 결정하는 중요한 요인이다. 본 논문은 유전 알고리즘에 기반한 임무계획기법을 제안한다. 본 기법을 통해 제한 조건을 만족하면서, 임무 완료 시간을 최소화하는 해를 구할 수 있다. 임무 할당 문제의 최적해를 구하기 위해서는 계산량이 많이 필요하므로 본 기법이 해를 구하는 대안이 될 수 있다. 본 기법은 현실 세계의 다양한 종류의 무인기, 임무, 제한 조건을 고려하였다. 제안된 기법은 각 무인기의 임무 시퀀스와 제한 조건 만족을 위한 임무 별 대기 시간을 도출한다. 다양한 수치적 시뮬레이션 결과를 통해 임무 종료 시간을 최소화하는 임무계획 기법의 성능을 확인하였다.

Keywords

Acknowledgement

이 논문은 2022년도 정부(방위사업청)의 재원으로 국방기술진흥연구소의 지원을 받아 수행된 연구임 (No. KRIT-CT-21-009), 전장정보 기반 실시간 자동임무실행/수정기술 개발)

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