A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management

We develop an optimization model for risk management in a virtual enterprise environment based on a novel multiswarm particle swarm optimizer called PS2O. The main idea of PS2O is to extend the single population PSO to the interacting multiswarms model by constructing hierarchical interaction topolo...

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Main Authors: Yichuan Shao, Xingjia Yao, Liwei Tian, Hanning Chen
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Discrete Dynamics in Nature and Society
Online Access:http://dx.doi.org/10.1155/2012/904815
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author Yichuan Shao
Xingjia Yao
Liwei Tian
Hanning Chen
author_facet Yichuan Shao
Xingjia Yao
Liwei Tian
Hanning Chen
author_sort Yichuan Shao
collection DOAJ
description We develop an optimization model for risk management in a virtual enterprise environment based on a novel multiswarm particle swarm optimizer called PS2O. The main idea of PS2O is to extend the single population PSO to the interacting multiswarms model by constructing hierarchical interaction topology and enhanced dynamical update equations. With the hierarchical interaction topology, a suitable diversity in the whole population can be maintained. At the same time, the enhanced dynamical update rule significantly speeds up the multiswarm to converge to the global optimum. With five mathematical benchmark functions, PS2O is proved to have considerable potential for solving complex optimization problems. PS2O is then applied to risk management in a virtual enterprise environment. Simulation results demonstrate that the PS2O algorithm is more feasible and efficient than the PSO algorithm in solving this real-world problem.
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institution Kabale University
issn 1026-0226
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language English
publishDate 2012-01-01
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record_format Article
series Discrete Dynamics in Nature and Society
spelling doaj-art-0e4b685a5e63464daaedd66ea88fa5392025-08-20T03:54:24ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2012-01-01201210.1155/2012/904815904815A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk ManagementYichuan Shao0Xingjia Yao1Liwei Tian2Hanning Chen3College of Information Science and Engineering, Shenyang University, Shenyang 110044, ChinaSchool of New Energy Engineering, Shenyang University of Technology, Shenyang 110036, ChinaScience and Technology Agency, Shenyang University, Shenyang 110036, ChinaShenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, ChinaWe develop an optimization model for risk management in a virtual enterprise environment based on a novel multiswarm particle swarm optimizer called PS2O. The main idea of PS2O is to extend the single population PSO to the interacting multiswarms model by constructing hierarchical interaction topology and enhanced dynamical update equations. With the hierarchical interaction topology, a suitable diversity in the whole population can be maintained. At the same time, the enhanced dynamical update rule significantly speeds up the multiswarm to converge to the global optimum. With five mathematical benchmark functions, PS2O is proved to have considerable potential for solving complex optimization problems. PS2O is then applied to risk management in a virtual enterprise environment. Simulation results demonstrate that the PS2O algorithm is more feasible and efficient than the PSO algorithm in solving this real-world problem.http://dx.doi.org/10.1155/2012/904815
spellingShingle Yichuan Shao
Xingjia Yao
Liwei Tian
Hanning Chen
A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management
Discrete Dynamics in Nature and Society
title A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management
title_full A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management
title_fullStr A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management
title_full_unstemmed A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management
title_short A Multiswarm Optimizer for Distributed Decision Making in Virtual Enterprise Risk Management
title_sort multiswarm optimizer for distributed decision making in virtual enterprise risk management
url http://dx.doi.org/10.1155/2012/904815
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