スペースプレーンのISSへの上昇軌道最適化に関する研究

概要

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Transportation missions are absolutely necessary for practical use of the ISS. The launch window of the present rockets or shuttles mission is very narrow because it is necessary to ascend on the same orbital plane of the ISS. In comparison to those spacecrafts, a spaceplane can change its orbital plane by turning in the atmosphere, and has potential of having wide take-off window. On the other hand, the minimum fuel consumption must be considered, since the payload of a spaceplane is severely limited. Therefore, this paper considers the optimal control problem of spaceplanes ascent trajectory, and evaluates its take-off window. The Block Diagonal Hessian method which transforms optimal control problem into nonlinear programming problem is applied and the superiority of a spaceplane is demonstrated in the point of launch window.
社団法人日本航空宇宙学会の論文
2001-07-05