Rapid multi-objective design optimisation of compact microwave couplers by means of physics-based surrogates - Publikacja - MOST Wiedzy

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Rapid multi-objective design optimisation of compact microwave couplers by means of physics-based surrogates

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The authors introduce a methodology for fast multi-objective design optimisation of miniaturised microwave couplers. The approach exploits the surrogate-based optimisation paradigm with an underlying low-fidelity model constructed from an equivalent circuit of the structure under consideration, corrected through implicit and frequency space mapping. A fast prediction tool obtained this way is subsequently optimised by a multi-objective evolutionary algorithm to identify an initial approximation of the Pareto front, that is, a set of designs representing the best possible trade-offs between conflicting objectives. The correction/optimisation of the surrogate is then iterated by design space confinement and segmentation based on a Pareto set representation obtained thus far in the process. This aims at improving the surrogate model accuracy in the vicinity of the Pareto-optimal solutions. The technique is demonstrated by two design examples of compact rat-race couplers. Experimental validation is also provided.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
IET Microwaves Antennas & Propagation nr 10, strony 479 - 486,
ISSN: 1751-8725
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Koziel S., Bekasiewicz A., Kurgan P., Bandler J.: Rapid multi-objective design optimisation of compact microwave couplers by means of physics-based surrogates// IET Microwaves Antennas & Propagation. -Vol. 10, nr. 5 (2016), s.479-486
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1049/iet-map.2015.0279
Weryfikacja:
Politechnika Gdańska

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