During a space station operation scenario, there are complicated interaction relationships and restrictions amongdifferent types of operation missions, including on-orbit experiments and utilization arrangements, crew rotation andmanned vehicle visiting schedule, selection of flying orbit, as well as cargo vehicle resupplying strategy. The spacestation overall mission planning, focusing on the operation scenario, is devoted to obtain proper operationarrangements, improve station utilization capability, and minimize life-cycle operation costs. A hierarchical threeleveldecomposed framework is proposed to describe the overall mission planning problem, in which the first-levelproblem deals with the top-level mission scenario parameters, the second-level problem deals with the vehiclevisiting strategy, and the third-level problem deals with the flying orbital missions. In accordance with thehierarchical problem framework, the planning methods for each level problem are analyzed and proposed.Furthermore, the integrated planning procedure for the overall planning problem is studied. The significance of thespace station overall planning problem and the effectiveness of our planning methodology are demonstrated bysolving the illustrative case about a one-year operation scenario.
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