Construction of EP-ACO and its application in operation optimization of chemical process
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Construction of EP-ACO and its application in operation optimization of chemical process
CIESC JournalIssue 12, Pages: 2361-2366(2005)
作者机构:
浙江大学化学工程系,浙江,杭州,310027
作者简介:
基金信息:
DOI:
CLC:
Online First:25 December 2005,
Published:25 December 2005
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CHENG Zhigang, CHEN Dezhao, WU Xiaohua, et al. Construction of EP-ACO and its application in operation optimization of chemical process[J]. CIESC Journal, 2005, (12): 2361-2366.
DOI:
CHENG Zhigang, CHEN Dezhao, WU Xiaohua, et al. Construction of EP-ACO and its application in operation optimization of chemical process[J]. CIESC Journal, 2005, (12): 2361-2366.DOI:
Construction of EP-ACO and its application in operation optimization of chemical process
Ant colony optimization(ACO) has high optimizing efficiency
but can only be applied to combinational optimization problems. For adapting ACO to continuous optimization problems
the concise evolution mechanism of evolution program(EP) was introduced to reconstruct ACO
in which the objective was to search optimal food source other than the best sequence. The ant colony was divided into global ants and local ants
which guided the individuals to perform global exploratory optimization and local excavating optimization respectively.Ants released pheromone on the individuals
and the pheromone was shared by all ants
which inherited the collective autocatalytic behaviour characterised by positive feedback mechanism of ACO.Under the support of eugenic strategy
the EP-ACO algorithm was constructed. The experimentations on optimization of complex functions showed that EP-ACO could be well fit for solving continuous optimization problems with high global optimization efficiency and showed good adaptability to high dimension problems. Finally
EP-ACO was successfully applied to the operation optimization of the equipment of xylene isomerization.The results were better than the referenced methods.