Decentralized flight trajectory planning of multiple aircraft

Conference object English OPEN
Yokoyama, Nobuhiro ; 横山 信宏 (2008)
  • Publisher: 宇宙航空研究開発機構
  • Journal: Proceedings of Lectures and Workshop International: Recent Advances in Multidisciplinary Technology and Modeling=Proceedings of Lectures and Workshop International: Recent Advances in Multidisciplinary Technology and Modeling 88-97 (issn: 1349-113X)
  • Subject: flight trajectory | trajectory optimization | algorithm | nonlinear programming | flight safety | aircraft safety | collision avoidance | aircraft accident | convergence | 飛行飛跡 | 飛跡最適化 | アルゴリズム | 非線形プログラミング | 航空安全 | 航空機安全性 | 衝突回避 | 航空機事故 | 収束 | 航空輸送、安全 | 航空機の通信及び航法 | コンピュータプログラミング及びソフトウェア

Conventional decentralized algorithms for optimal trajectory planning tend to require prohibitive computational time as the number of aircraft increases. To overcome this drawback, this paper proposes a novel decentralized trajectory planning algorithm adopting a constraints decoupling approach for parallel optimization. The constraints decoupling approach is formulated as the path constraints of the real-time trajectory optimization problem based on nonlinear programming. Due to the parallelization and no-redundancy, the computational time for one cycle in the proposed algorithm is not so sensitive to the number of aircraft as the conventional algorithms. Several results of numerical simulations are presented to demonstrate the effectiveness of the proposed algorithm.
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