A PSO with ability to avoid being trapped in a local optimum Varis Limlawan and Pisut Pongchairerks How to cite this article: Varis Limlawan and Pisut Pongchairerks, A PSO with ability to avoid being trapped in a local optimum. In Proceedings of the 7 th International Joint Conference on Computer Science and Software Engineering, 12 – 14 May 2010, Bangkok, Thailand, pp. 33 – 36.