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Genetic Crossover Operator Based on Local Path Relinking for Multi-Satellite TT & C Scheduling
Author(s): 
Pages: 48-51
Year: Issue:  9
Journal: Ordnance Industry Automation

Keyword:  multi-satellite TT&C schedulinggenetic algorithmpath relinkingcrossover operator;
Abstract: For improving the genetic algorithm searching precision used in the multi-Satellite TT&C (tracking telemetry and command) scheduling problem, a directed crossover operator based on local path layering relinking is proposed. The solution space complexity and weak correlation between genes are found by analyzing the GA encoding character. Based on path relinking, use the difference between initial solution and guiding solution to construct the layering neighborhood of initial solution, and take the solution in the neighborhood that meets the constraints of model as the crossing result, which is based on the idea of path relinking, then constructing two simulation cases to verify the method. Simulation result indicates that the proposed operator combined with a crossover operator possessing randomness and can improve algorithm performance significantly.
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