Exact and Heuristic Scheduling Algorithms for Multiple Earth Observation Satellites Under Uncertainties of Clouds
Exact and Heuristic Scheduling Algorithms for Multiple Earth Observation Satellites Under Uncertainties of Clouds
复制标题
云不确定性下多颗对地观测卫星精确启发式调度算法
DOI:
10.1109/jsyst.2018.2874223
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发表时间:
2015-07
影响因子:
4.4
通讯作者:
Liu Jin
中科院分区:
文献类型:
--
作者:
Wang Jianjiang;Demeulemeester Erik;Hu Xuejun;Qiu Dishan;Liu Jin
Most earth observation satellites are equipped with optical sensors, which cannot see through clouds. Hence, many observations will be useless due to the presence of clouds. In this paper, we study the scheduling problem of multiple EOSs under uncertainties of clouds. In order to improve the possibility of completing tasks, we take the scheduling of each task to multiple resources (orbits) into account and establish a novel nonlinear mathematical model. To solve the problem efficiently, an exact algorithm based on enumeration is proposed, in which each subproblem is solved by path programming, and all the feasible solutions of subproblems are combined to solve the master problem. Furthermore, three heuristics are designed to solve the large-scale problems. From the experimental results on random samples, it is observed that the solutions of our model perform better than those of the previous studies. Besides, both our exact algorithm and a mixed-integer nonlinear programming solver-Couenne can solve our model optimally for small problems, but our algorithm is more efficient than Couenne. For large-scale problems, we reveal the strengths and weaknesses of the proposed heuristic algorithms while solving different instances of various sizes.
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DOI:
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发表时间:
2002
期刊:
--
影响因子:
--
作者:
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期刊:
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影响因子:
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DOI:
10.1007/s10288-004-0044-8
发表时间:
2004-10
期刊:
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影响因子:
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通讯作者:
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发表时间:
2006
期刊:
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影响因子:
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作者:
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通讯作者:
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