... 1) are chosen from [39] to test the SOA with comparison of PSO-w (PSO with adaptive inertia weight) [40], PSO-cf (PSO with constriction factor) [41], CLPSO (comprehensive learning particle ... speed and, on the contrary, needs less time to achieve the power loss level of SPSO-07. At the same time, SOA has better convergence rate than CLPSO and three versions of DE. Although PSO-w and ... benchmark functions expect that PSO-cf also has the same Best values for the functions 2-4, 6, 11 and 12. Compared with CLPSO, SOA has the smaller Best, Mean and std values for all the twelve...