Abstract

AbstractParticle swarm optimization (PSO) performance has been shown to be sensitive to control parameter values. To obtain best possible results, control parameter tuning or self-adaptive PSO implementations are necessary. Theoretical stability analyses have produced stability conditions on the PSO control parameters to guarantee that an equilibrium state is reached. Should control parameter values be chosen to satisfy a stability condition, divergent and cyclic search behaviour is prevented, and particles are guaranteed to stop moving. This paper proposes that control parameter values be randomly sampled to satisfy a given stability condition, removing the need for control parameter tuning. Empirical results show that the resulting stability-guided PSO performs competitively to a PSO with tuned control parameter values.

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