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动态分群的微粒群优化算法
引用本文:卜艳萍,俞金寿.动态分群的微粒群优化算法[J].医学教育探索,2007(6):846-849.
作者姓名:卜艳萍  俞金寿
作者单位:华东理工大学自动化研究所,华东理工大学自动化研究所 上海200237,上海交通大学技术学院,上海200231,上海200237
摘    要:在分析基本微粒群优化算法的基础上,引进分群思想,提出了一种动态分群的微粒群优化算法(DPSO)。根据适应值的大小将微粒群分成两个或多个分群,然后,每个分群采用不同的策略分别搜索,得到输出最优值。将动态分群的微粒群优化算法用于一些常用测试函数的优化问题,实例计算表明:DPSO具有较强的全局寻优能力。将DPSO用于延迟焦化装置粗汽油干点软测量,所建模型的泛化性较好,模型具有较高的精度。

关 键 词:微粒群优化算法  动态分群  全局优化  软测量
收稿时间:2006/11/21 0:00:00

Particle Swarm Optimization Algorithm with Dynamic Sub-swarms
BU Yan-ping,YU Jin-shou.Particle Swarm Optimization Algorithm with Dynamic Sub-swarms[J].Researches in Medical Education,2007(6):846-849.
Authors:BU Yan-ping  YU Jin-shou
Abstract:On the basis of analyzing the particle swarm optimization and introducing the idea of sub-swarms,a particle swarm optimization algorithm with dynamic sub-swarms(DPSO) is proposed.The particle swarm is divided into two or more sub-swarms according to the fitness value during searching.Then,the sub-swarms use different searching strategy,respectively.The best fitness output value is obtained.The DPSO algorithm is used to solve the optimization problems of several widely used test functions,and results indicate that the DPSO has powerful ability of global searching.The DPSO algorithm is also(applied) to construct a practical soft-sensor of gasoline endpoint of delayed coking plant.The model has(effective) generalization performance and higher precision.
Keywords:particle swarm optimization algorithm  dynamic sub-swarm  global optimization  soft-(sensor)
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