A Novel adaptive elite-based particle swarm optimization applied to VAR optimization in electric power systems

Ying Yi Hong, Faa Jeng Lin, Syuan Yi Chen, Yu Chun Lin, Fu Yuan Hsu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Particle swarm optimization (PSO) has been successfully applied to solve many practical engineering problems. However, more efficient strategies are needed to coordinate global and local searches in the solution space when the studied problem is extremely nonlinear and highly dimensional. This work proposes a novel adaptive elite-based PSO approach. The adaptive elite strategies involve the following two tasks: (1) appending the mean search to the original approach and (2) pruning/cloning particles. The mean search, leading to stable convergence, helps the iterative process coordinate between the global and local searches. The mean of the particles and standard deviation of the distances between pairs of particles are utilized to prune distant particles. The best particle is cloned and it replaces the pruned distant particles in the elite strategy. To evaluate the performance and generality of the proposed method, four benchmark functions were tested by traditional PSO, chaotic PSO, differential evolution, and genetic algorithm. Finally, a realistic loss minimization problem in an electric power system is studied to show the robustness of the proposed method.

Original languageEnglish
Article number761403
JournalMathematical Problems in Engineering
Volume2014
DOIs
Publication statusPublished - 2014

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Electric Power System
Electric power systems
Particle swarm optimization (PSO)
Particle Swarm Optimization
Optimization
Global Search
Local Search
Cloning
Stable Convergence
Adaptive Strategies
Genetic algorithms
Differential Evolution Algorithm
Iterative Process
Pruning
Minimization Problem
Standard deviation
Genetic Algorithm
Benchmark
Robustness
Engineering

ASJC Scopus subject areas

  • Mathematics(all)
  • Engineering(all)

Cite this

A Novel adaptive elite-based particle swarm optimization applied to VAR optimization in electric power systems. / Hong, Ying Yi; Lin, Faa Jeng; Chen, Syuan Yi; Lin, Yu Chun; Hsu, Fu Yuan.

In: Mathematical Problems in Engineering, Vol. 2014, 761403, 2014.

Research output: Contribution to journalArticle

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