Abstract This paper develops a problem formulation corresponding to the long-term overall operation planning for large-scale space-station missions that need to be executed in 3–5 years. The space station overall operation planning consists of the on-orbit activity allocation and its supporting logistics design. A two-level optimization approach is proposed to solve this complicated problem hierarchically by using a multi-objective evolutionary algorithm. The first-level problem is to optimize the overall allocation scheme of on-orbit activities to achieve the activity distribution equilibrium on logistics demand, resource requirement, and activity characteristics. The second-level problem is to optimize the launch time and loading scheme of visiting vehicles under multiple constraints to meet the on-board supply demand, and a pretreatment strategy is proposed based on the space-station logistics domain knowledge to resolve constraints a priori. Numerical results indicate that the proposed formulation for space-station overall operation planning is effective, and the proposed pretreatment approach can reduce the difficulty of satisfying multiple constraints in optimization.

    Highlights The strategy that plans space-station logistics according to on-orbit activity allocation schemes is proposed. The mathematical model of space-station on-orbit activity allocation and logistics planning is formulated. The pretreatment strategy for logistics planning is proposed to resolve multiple constraints before optimization.


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    Title :

    Optimization for overall planning of space-station on-orbit activities and logistics


    Contributors:

    Published in:

    Acta Astronautica ; 186 ; 211-227


    Publication date :

    2021-05-06


    Size :

    17 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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