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Swarm configurations of the compared PSO methods.
| Swarm parameters | Standard type PSO | Constriction-type PSO | PSO with OPSO-parameters |
| max. number of iterations | 1000 | 1000 | 1000 |
| number of particles | 20 | 20 | 20 |
| w start | 0.9 | - | optimized |
| w end | 0.4 | - | optimized |
| N1 | 2 | 2.05 | optimized |
| N2 | 2 | 2.05 | optimized |
| constriction factor k | - | 0.73 | - |
