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The Process Optimization of Train Operation Based on Multi-objective Memetic Algorithm using Incorporated Preference Information
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摘要
The process optimization of train operation is a sophisticated multi-objective optimization problem. Due to the fact that the multi-objective optimization model of train operation process is difficult to be solved precisely, the process optimization of train operation based on multi-objective memetic algorithm using incorporated preference information and fuzzy logic is proposed in this paper. In order to significantly drive the solution to move to the desired region, a global search algorithm is adopted by genetic particle swarm optimization algorithm using incorporated preference information. Correspondingly, the population diversity can be better maintained, and the global convergence can be improved by using the global search algorithm. To obtain accurately a better solution in the neighborhood of the solution, a local search algorithm is improved by using a simulated annealing algorithm based on the fuzzy logic of driving experience. The advantages of the proposed method are summarized as follows: Firstly, a better convergence effect can be obtained by the global search algorithm. Secondly, by combining the indication algorithm and the heuristic algorithm, the local optimization effect can be improved. Finally, simulation results are provided to show the efficacy of the proposed method.
The process optimization of train operation is a sophisticated multi-objective optimization problem. Due to the fact that the multi-objective optimization model of train operation process is difficult to be solved precisely, the process optimization of train operation based on multi-objective memetic algorithm using incorporated preference information and fuzzy logic is proposed in this paper. In order to significantly drive the solution to move to the desired region, a global search algorithm is adopted by genetic particle swarm optimization algorithm using incorporated preference information. Correspondingly, the population diversity can be better maintained, and the global convergence can be improved by using the global search algorithm. To obtain accurately a better solution in the neighborhood of the solution, a local search algorithm is improved by using a simulated annealing algorithm based on the fuzzy logic of driving experience. The advantages of the proposed method are summarized as follows: Firstly, a better convergence effect can be obtained by the global search algorithm. Secondly, by combining the indication algorithm and the heuristic algorithm, the local optimization effect can be improved. Finally, simulation results are provided to show the efficacy of the proposed method.
引文
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