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1、基于混沌局部搜索算子的人工蜂群算法摘要:在求解函数优化问题时,为了提升人工蜂群算法局部搜索能力,提出了一种新颖的混沌蜂群算法。新算法设计了一种混沌局部搜索算子,并将其嵌入蜂群算法框架中;该算子不仅能够实现在最优食物源周围局部搜索,还能够随着进化代数增加使搜索范围不断缩小。仿真实验结果表明,与人工蜂群算法相比,新算法在rosenbrock函数上,求解精度和收敛速度明显占优;此外新算法在多模函数griewank和rastrigin上,收敛速度明显占优。关键词:优化;混沌;人工蜂群算法;局部搜索artif
2、icialbeecolonyalgorithmbasedonchaoslocalsearchoperatorwangxiang1*,lizhi.yong2,xuguo.yi3,wangyan4(1.schoolofcivilengineering,zhengzhouinstituteofaeronauticalindustrymanagement,zhengzhouhenan450015,china;2.departmentofmathematicsandphysics,zhengz
3、houinstituteofaeronauticalindustrymanagement,zhengzhouhenan450015,china;3.schoolofaccounting,zhengzhouinstituteofaeronauticalindustrymanagement,zhengzhouhenan450015,china;4.departmentofcomputerscienceandapplication,zhengzhouinstituteofaeronauticali
4、ndustrymanagement,zhengzhouhenan450015,chinaabstract:inordertoimprovetheabilityofartificialbeecolonyalgotithmatexploitation,anovelchaos-artificialbeecolonyalgorithmisproposedforcontinuousfunctionoptimizationproblems.anewchaoticlocalsearchoperatorisembedd
5、edintheframeworkofthenewalgorithm.thenewoperator,whosesearchradiusshrinkswiththeevolutiongeneration,candothelocalsearcharoundthebestfoodsource.thesimulationresultsshowthat:comparedwiththoseofartificialbeecolonyalgorithm,thesolutionqualityandtheconvergenc
6、espeedofthenewalgorithmarebetterforrosenbrockandtheconvergencespeedofthenewalgorithmisbetterforgriewankandrastrigin.inordertoimprovetheabilityofartificialbeecolony(abc)algorithmatexploitation,anewchaosartificialbeecolony(ch.abc)algorithmwasproposedforcon
7、tinuousfunctionoptimizationproblems.anewchaoticlocalsearchoperatorwasembeddedintheframeworkofthenewalgorithm.thenewoperator,whosesearchradiusshrinkswiththeevolutiongeneration,candothelocalsearcharoundthebestfoodsource.thesimulationresultsshowthat:compare
8、dwiththoseofabcalgorithm,thesolutionqualityandtheconvergencespeedofthenewalgorithmarebetterforrosenbrockandtheconvergencespeedofthenewalgorithmisbetterforgriewankandrastrigin.keywords:optimization;chaos;artificialbeecolon