A hybrid ant colony optimization for continuous domains

  • Authors:
  • Jing Xiao;LiangPing Li

  • Affiliations:
  • School of Computer Science, South China Normal University, No. 55 Zhongshan West Road, Guangzhou 510631, China;Department of Computer Science, Sun Yat-sen University, No. 132 WaiHuan East Rd., Guangzhou Higher Education Mega Center, Guangzhou 510006, China

  • Venue:
  • Expert Systems with Applications: An International Journal
  • Year:
  • 2011

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Abstract

Research on optimization in continuous domains gains much of focus in swarm computation recently. A hybrid ant colony optimization approach which combines with the continuous population-based incremental learning and the differential evolution for continuous domains is proposed in this paper. It utilizes the ant population distribution and combines the continuous population-based incremental learning to dynamically generate the Gaussian probability density functions during evolution. To alleviate the less diversity problem in traditional population-based ant colony algorithms, differential evolution is employed to calculate Gaussian mean values for the next generation in the proposed method. Experimental results on a large set of test functions show that the new approach is promising and performs better than most of the state-of-the-art ACO algorithms do in continuous domains.