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一种基于多簇结构的高斯动态粒子群优化算法*

, PP. 338-345

Keywords: 粒子群优化(PSO),邻域拓扑,多簇结构

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Abstract:

分析高斯动态粒子群优化算法(GDPSO)中新的种群产生方式的特点,针对传统粒子群优化算法中全局最优模型收敛速度快但易陷入局部最优、局部最优模型收敛速度较慢的缺点,提出一种新的粒子群信息共享方式——多簇结构.该算法在簇内部实现粒子间信息的高度共享,而在簇之间则通过松散的连接实现信息的传递,以协调GDPSO算法的勘探和开采能力.通过典型的Benchmark函数优化问题测试并分析经典拓扑以及多簇结构在GDPSO算法中的性能,仿真实验结果表明,采用特定多簇结构的GDPSO算法收敛速度和稳定性显著提高,同时全局搜索能力明显增强.

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