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| Titel: |
Swarm algorithms for single- and multi-objective optimization problems incorporating sensitivity analysis |
| Auteur: |
Izui, K. Nishiwaki, S. Yoshimura, M. |
| Verschenen in: |
Engineering optimization |
| Paginering: | Jaargang 39 (2007) nr. 8 pagina's 981-998 |
| Jaar: |
2007-12 |
| Inhoud: |
Swarm algorithms such as particle swarm optimization (PSO) are non-gradient probabilistic optimization algorithms that have been successfully applied for global searches in complex problems such as multi-peak problems. However, application of these algorithms to structural and mechanical optimization problems still remains a complex matter since local optimization capability is still inferior to general numerical optimization methods. This article discusses new swarm metaphors that incorporate design sensitivities concerning objective and constraint functions and are applicable to structural and mechanical design optimization problems. Single- and multi-objective optimization techniques using swarm algorithms are combined with a gradient-based method. In the proposed techniques, swarm optimization algorithms and a sequential linear programming (SLP) method are conducted simultaneously. Finally, truss structure design optimization problems are solved by the proposed hybrid method to verify the optimization efficiency. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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