A proposal of PSO particles’ initialization for costly unconstrained optimization problems: ORTHOinit
| Autor: | Matteo Diez, Silvio Giove, Emilio F. Campana, Umberto Iemma, Daniele Peri, Andrea Serani, Giovanni Fasano, Cecilia Leotardi |
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| Přispěvatelé: | Diez, M, Serani, Andrea, Leotardi, C, Campana E., F, Peri, D, Iemma, Umberto, Fasano, G, Giove, S. |
| Předmět: |
Mathematical optimization
Optimization problem Global Optimization Initialization Derivative-free Optimization Space (mathematics) Deterministic PSO Particles' initial Position and Velocity Naval architecture Position (vector) Derivative-free optimization Particles' Initial Position and Velocity Settore MAT/09 - Ricerca Operativa Focus (optics) Global optimization Mathematics |
| Zdroj: | Scopus-Elsevier Advances in Swarm Intelligence, 5th International Conference, ICSI 2014, pp. 126–133, Hefei, China, October 17-20, 2014 info:cnr-pdr/source/autori:Matteo Diez, Andrea Serani, Cecilia Leotardi, Emilio F. Campana, Daniele Peri, Umberto Iemma, Giovanni Fasano, Silvio Giove/congresso_nome:Advances in Swarm Intelligence, 5th International Conference, ICSI 2014/congresso_luogo:Hefei, China/congresso_data:October 17-20, 2014/anno:2014/pagina_da:126/pagina_a:133/intervallo_pagine:126–133 Publons ResearcherID Advances in Swarm Intelligence: 5th International Conference, ICSI 2014, Hefei, China, October 17-20, 2014, Proceedings, Part I, edited by Ying Tan, Yuhui Shi, Carlos A. Coello Coello, pp. 126–133. Switzerland: Springer International Publishing, 2014 info:cnr-pdr/source/autori:Diez, Matteo; Serani, Andrea; Leotardi, Cecilia; Campana, Emilio F.; Peri, Daniele; Iemma, Umberto; Fasano, Giovanni; Giove, Silvio/titolo:A Proposal of PSO Particles' Initialization for Costly Unconstrained Optimization Problems: ORTHOinit/titolo_volume:Advances in Swarm Intelligence: 5th International Conference, ICSI 2014, Hefei, China, October 17-20, 2014, Proceedings, Part I/curatori_volume:Ying Tan, Yuhui Shi, Carlos A. Coello Coello/editore: /anno:2014 Lecture Notes in Computer Science ISBN: 9783319118567 ICSI (1) |
| Popis: | A proposal for particles’ initialization in PSO is presented and discussed, with focus on costly global unconstrained optimization problems. The standard PSO iteration is reformulated such that the trajectories of the particles are studied in an extended space, combining particles’ position and speed. To the aim of exploring effectively and efficiently the optimization search space since the early iterations, the particles are initialized using sets of orthogonal vectors in the extended space (orthogonal initialization, ORTHOinit). Theoretical derivation and application to a simulation-based optimization problem in ship design are presented, showing the potential benefits of the current approach. |
| Databáze: | OpenAIRE |
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