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International Journal of Intelligent Systems and Applications(IJISA)

ISSN: 2074-904X (Print), ISSN: 2074-9058 (Online)

Published By: MECS Press

IJISA Vol.4, No.2, Mar. 2012

Imperialist Competitive Algorithm with Adaptive Colonies Movement

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Author(s)

Helena Bahrami, Marjan Abdechiri, Mohammad Reza Meybodi

Index Terms

Imperialist Competitive Algorithm;Absorption Policy;Density Probabilistic Model;Evolutionary Algorithm.

Abstract

The novel Imperialist Competitive Algorithm (ICA) that was recently introduced has a good performance in some optimization problems. The ICA inspired by socio-political process of imperialistic competition of human being in the real world. In this paper, a new Imperialist Competitive Algorithm with Adaptive Radius of Colonies movement (ICAR) is proposed. In the proposed algorithm, for an effective search, the Absorption Policy changed dynamically to adapt the radius of colonies movement towards imperialist’s position. The ICA is easily stuck into a local optimum when solves high-dimensional multi-modal numerical optimization problems. To overcome this shortcoming, we use probabilistic model that utilize the information of colonies positions to balance the exploration and exploitation abilities of the Imperialist Competitive Algorithm. Using this mechanism, ICA exploration capability will enhance. Some famous unconstraint benchmark functions used to test the ICAR performance. Simulation results show this strategy can improve the performance of the ICA algorithm significantly.

Cite This Paper

Helena Bahrami, Marjan Abdechiri, Mohammad Reza Meybodi,"Imperialist Competitive Algorithm with Adaptive Colonies Movement", International Journal of Intelligent Systems and Applications(IJISA), vol.4, no.2, pp.49-57, 2012. DOI: 10.5815/ijisa.2012.02.06

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