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采用随机变异步长的改进自组织迁移算法
Modified Self-Organizing Migrating Algorithm with Random Mutation Step
【摘要】 自组织迁移算法是一种新型的进化算法。对自组织迁移算法的原理、实现及策略参数设置进行了详细分析,在此基础上提出了一种改进算法。通过在个体迁移过程中引入随机变异步长,寻优个体的行为变得多样化,加速了群体在多峰复杂空间中的寻优进程。仿真结果显示,该算法优于原自组织迁移算法和粒子群优化算法。
【Abstract】 Self-organizing migrating algorithm is a new evolutionary algorithm.The principles,implementation and strategy parameters setting of the self-organizing migrating algorithm are analyzed in detail.A modified self-organizing migrating algorithm is proposed based on the analysis.With the introduction of random mutation step in the individual migration procedure,the individuals’ behavior becomes versatile and the population-based search process in multi-modal complex space is accelerated.Simulation results reveal that the proposed algorithm is better than the original self-organizing migrating algorithm and the particle swarm optimization algorithm.
【Key words】 optimization; evolutionary algorithm; self-organizing migrating algorithm; mutation;
- 【文献出处】 计算机工程与应用 ,Computer Engineering and Applications , 编辑部邮箱 ,2006年35期
- 【分类号】TP301.6
- 【被引频次】8
- 【下载频次】177