A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm

Grey wolf optimization (GWO) is one of the recently proposed heuristic algorithms imitating the leadership hierarchy and hunting mechanism of grey wolves in nature. The aim of these algorithms is to perform global optimization. This paper presents a modified GWO algorithm based on complex-valued enc...

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Main Authors:	Qifang Luo, Sen Zhang, Zhiming Li, Yongquan Zhou
Format:	Article
Language:	English
Published:	MDPI AG 2015-12-01
Series:	Algorithms
Subjects:	complex-valued encoding grey wolf optimization diploid test functions IIR model identification
Online Access:	http://www.mdpi.com/1999-4893/9/1/4

id	doaj-4d0e0020d3fa447d9ca98a8d78e26011
record_format	Article
spelling	doaj-4d0e0020d3fa447d9ca98a8d78e260112020-11-25T01:05:47ZengMDPI AGAlgorithms1999-48932015-12-0191410.3390/a9010004a9010004A Novel Complex-Valued Encoding Grey Wolf Optimization AlgorithmQifang Luo0Sen Zhang1Zhiming Li2Yongquan Zhou3College of Information Science and Engineering, Guangxi University for Nationalities, Nanning 530006, ChinaCollege of Information Science and Engineering, Guangxi University for Nationalities, Nanning 530006, ChinaCollege of Information Science and Engineering, Guangxi University for Nationalities, Nanning 530006, ChinaCollege of Information Science and Engineering, Guangxi University for Nationalities, Nanning 530006, ChinaGrey wolf optimization (GWO) is one of the recently proposed heuristic algorithms imitating the leadership hierarchy and hunting mechanism of grey wolves in nature. The aim of these algorithms is to perform global optimization. This paper presents a modified GWO algorithm based on complex-valued encoding; namely the complex-valued encoding grey wolf optimization (CGWO). We use CGWO to test 16 unconstrained benchmark functions with seven different scales and infinite impulse response (IIR) model identification. Compared to the real-valued GWO algorithm and other optimization algorithms; the CGWO performs significantly better in terms of accuracy; robustness; and convergence speed.http://www.mdpi.com/1999-4893/9/1/4complex-valued encodinggrey wolf optimizationdiploidtest functionsIIR model identification
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Qifang Luo Sen Zhang Zhiming Li Yongquan Zhou
spellingShingle	Qifang Luo Sen Zhang Zhiming Li Yongquan Zhou A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm Algorithms complex-valued encoding grey wolf optimization diploid test functions IIR model identification
author_facet	Qifang Luo Sen Zhang Zhiming Li Yongquan Zhou
author_sort	Qifang Luo
title	A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm
title_short	A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm
title_full	A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm
title_fullStr	A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm
title_full_unstemmed	A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm
title_sort	novel complex-valued encoding grey wolf optimization algorithm
publisher	MDPI AG
series	Algorithms
issn	1999-4893
publishDate	2015-12-01
description	Grey wolf optimization (GWO) is one of the recently proposed heuristic algorithms imitating the leadership hierarchy and hunting mechanism of grey wolves in nature. The aim of these algorithms is to perform global optimization. This paper presents a modified GWO algorithm based on complex-valued encoding; namely the complex-valued encoding grey wolf optimization (CGWO). We use CGWO to test 16 unconstrained benchmark functions with seven different scales and infinite impulse response (IIR) model identification. Compared to the real-valued GWO algorithm and other optimization algorithms; the CGWO performs significantly better in terms of accuracy; robustness; and convergence speed.
topic	complex-valued encoding grey wolf optimization diploid test functions IIR model identification
url	http://www.mdpi.com/1999-4893/9/1/4
work_keys_str_mv	AT qifangluo anovelcomplexvaluedencodinggreywolfoptimizationalgorithm AT senzhang anovelcomplexvaluedencodinggreywolfoptimizationalgorithm AT zhimingli anovelcomplexvaluedencodinggreywolfoptimizationalgorithm AT yongquanzhou anovelcomplexvaluedencodinggreywolfoptimizationalgorithm AT qifangluo novelcomplexvaluedencodinggreywolfoptimizationalgorithm AT senzhang novelcomplexvaluedencodinggreywolfoptimizationalgorithm AT zhimingli novelcomplexvaluedencodinggreywolfoptimizationalgorithm AT yongquanzhou novelcomplexvaluedencodinggreywolfoptimizationalgorithm
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A Novel Complex-Valued Encoding Grey Wolf Optimization Algorithm

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