A Novel Opposition-Based Particle Swarm Optimization for Noisy Problems

  • Authors:
  • Lin Han;Xingshi He

  • Affiliations:
  • Xi'an Polytechnic University, China;Xi'an Polytechnic University, China

  • Venue:
  • ICNC '07 Proceedings of the Third International Conference on Natural Computation - Volume 03
  • Year:
  • 2007

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Abstract

Particle Swarm Optimization (PSO) is a simple, reliable, and efficient optimization algorithm. However, it suffers from a weakness, losing the efficiency over optimization of noisy problems. In many real-word optimization problems we are faced with noisy environments. This paper presents a new algorithm to improve the efficiency of PSO to cope with noisy optimization problems. It employs opposition-based learning for swarm initialization, generation jumping, and also improving swarm's best member. A set of commonly used benchmark functions is employed for experimental verification, and the results show clearly the new algorithm outperforms PSO in terms of convergence speed and global search ability.