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Task scheduling method of revisit tasks for satellite constellation towards wildfire management
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  • Zhijiang Wen,
  • Yan Liu,
  • Shengyu Zhang,
  • Haiying Hu
Zhijiang Wen
Chinese Academy of Sciences Shanghai Innovation Academy for Microsatellites
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Yan Liu
Chinese Academy of Sciences Shanghai Innovation Academy for Microsatellites
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Shengyu Zhang
Chinese Academy of Sciences Shanghai Innovation Academy for Microsatellites
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Haiying Hu
Chinese Academy of Sciences Shanghai Innovation Academy for Microsatellites

Corresponding Author:[email protected]

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Abstract

Global warming increases forest wildfire risks to the economy, environment, and human safety. Continuous satellite monitoring offers accurate wildfire predictions and data-driven decision support. Earth Observation Satellite Constellations(EOSC) enable periodic wildfire tracking through revisit observations. Efficient scheduling of these tasks is crucial for optimal constellation operation in wildfire management. However, the existing EOSC scheduling algorithms rarely concentrates on the scheduling of revisit tasks. In this paper, the revisit task scheduling problem of the EOSC is expressed as a multi-objective model. A time-driven multi-objective optimization method(TDMO) is designed to optimize the constellation scheduling process of wildfire observation tasks. TDMO has a time-driven feature and coupled with revisit time in the task, experiments on different scheduling scenarios show this method is effective in scheduling revisit tasks towards wildfire targets.
25 Jul 2024Submitted to Electronics Letters
05 Aug 2024Submission Checks Completed
05 Aug 2024Assigned to Editor
05 Aug 2024Review(s) Completed, Editorial Evaluation Pending
15 Oct 2024Reviewer(s) Assigned