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Hyper-heuristic algorithm-based multi-satellite earth observation task planning and scheduling method

A heuristic algorithm, earth observation technology, applied in the field of satellite earth observation application

Active Publication Date: 2017-03-22
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the present invention provides a multi-satellite earth observation task planning and scheduling method based on a super-heuristic algorithm, in order to be able to adapt to solving examples of different scales of multi-satellite task planning problems, in a calculable time Provide a satisfactory solution within, solve the problem of robustness and reliability of multi-satellite cooperative earth observation mission planning, improve the allocation efficiency and execution efficiency of multi-satellite cooperative earth observation mission, thus bringing better problem solving efficiency and Effect

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  • Hyper-heuristic algorithm-based multi-satellite earth observation task planning and scheduling method

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Embodiment

[0135] Consider two earth observation and imaging satellites operating in sun-synchronous orbits, and the satellite information is shown in Table 1. Two ground stations are set up to receive data from two earth observation imaging satellites. The information of the ground stations is shown in Table 2. The number of observation tasks is 50 ground targets, 100 ground targets, 150 ground targets, and 200 ground targets in 4 groups. The observation time of each group is 24 hours, 48 ​​hours, 60 hours, and 72 hours. In this example, all observation targets are point targets. The framework of the hyperheuristic algorithm in this example is as follows image 3 As shown, the underlying algorithm set consists of genetic algorithm, ant colony algorithm, simulated annealing algorithm, and tabu search algorithm. Genetic algorithm includes crossover and mutation operations. Ant colony algorithm, simulated annealing algorithm, and tabu search algorithm include perturbation and neighbor d...

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Abstract

The present invention discloses a hyper-heuristic algorithm-based multi-satellite earth observation task planning and scheduling method. The method comprises the steps of 1, conducting the initialization setting; 2, generating the initial solution of a problem and adopting the initial solution as a current solution; 3, calculating the evaluation value of each algorithm in an underlying algorithm set; 4, selecting one algorithm maximum in evaluation value out of all algorithms in the underlying algorithm set as an elite algorithm; 5, applying the elite algorithm to optimize the current solution of the multi-satellite cooperative earth observation task planning problem so as to obtain a novel solution and the running time of the elite algorithm; 6, calculating the fitness value of an optimized target and adopting the new solution as a current solution; 7, modifying the e1(h1), e2 (hk, hi) function; 8, modifying an algorithm running efficacy evaluation factor and an algorithm selection evaluation factor; 9, judging whether the running time of the hyper-heuristic algorithm reaches a preset maximum running time or not; if not, jumping to the step 3; otherwise, adopting the current solution as the planning optimum solution of the multi-satellite synergistic earth observation task. The method is applied to examples of different scales for solving the multi-satellite task planning and scheduling problem. Based on the method, the better problem solving efficiency and the better problem solving effect are realized.

Description

technical field [0001] The invention relates to a multi-satellite mission planning method for earth observation, in particular to a multi-satellite earth observation mission planning method based on a super-heuristic algorithm, which belongs to the application field of satellite earth observation. Background technique [0002] Imaging satellites can carry out ground detection through payloads, and provide important information services for various tasks such as reconnaissance and surveillance, emergency search, etc., and are one of the country's major basic strategic facilities. Imaging satellites can carry out ground detection through payloads, and provide important information services for various tasks such as reconnaissance and surveillance, emergency search, etc., and are one of the country's major basic strategic facilities. At present, my country's satellite technology (including platform, payload and networking technology) continues to develop, but the overall number...

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Application Information

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IPC IPC(8): G06Q10/06
CPCG06Q10/0631
Inventor 张学庆马万权靳鹏胡笑旋罗贺马华伟夏维余堃
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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