Current Status and Prospect of Imaging Satellite Task Dynamic Scheduling Methods

Authors:
  • LZLi Zhiliang
    Li Zhiliang
  • LXLi Xiaojiang
    Li Xiaojiang
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Abstract
Dynamic scheduling is an important method to maintain imaging satellite system stability and obtain maximum profits under uncertainties. To understand and grasp key issues of imaging satellite scheduling, the paper makes conclusive analysis on the relevant researches home and aboard, and brings out prospects for future research. Firstly, the type and description of uncertainties in imaging satellite scheduling are analyzed. Secondly, research progress is concluded from three aspects: proactive scheduling, reactive scheduling and proactive-reactive scheduling. Thirdly, some issues existing in the research are analyzed like inexactness of uncertainties estimation methods, lack of robust evaluation indicators, and limitation of heuristic rules application, furthermore, future research should be conducted in respects like dynamic scheduling method toward uncertainties of cloud or new generation of satellite, integration optimization of proactive and reactive scheduling.

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