Particle Swarm Optimization with Exploratory Move

  • Nanda Dulal Jana
  • Jaya Sil
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8251)


Particle Swarm Optimization (PSO) algorithm is a swarm based algorithm deliver good performance in many optimization problems. However, PSO has tendency of trapping into local optima. In the paper, an improved PSO algorithm has been proposed by employing Exploratory Move on global best particle of the swarm called as PSO with exploratory move (ExPSO) algorithm. In the proposed approach in order to preventing PSO algorithm from trapping into local optima, particles are jumped to an unknown position made by the exploratory move. The performance of the ExPSO algorithm has been investigated on a set of eight standard benchmark functions and results are compared with the simple PSO, constriction factor PSO (CFPSO) and inertia weight PSO (IWPSO). The numerical results show that the ExPSO algorithm performs better, robust and statistically significant on most of the test cases.


Particle Swarm Optimization Exploratory Move Exploration and Exploitation Local Optima 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Nanda Dulal Jana
    • 1
  • Jaya Sil
    • 2
  1. 1.Department of Information TechnologyNational Institute of TechnologyDurgapurIndia
  2. 2.Department of Computer Science & TechnologyBengal Engineering & Science UniversityShibpurIndia

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