Reliable low-cost surrogate modeling and design optimisation of antennas using implicit space mapping with substrate segmentation - Publikacja - MOST Wiedzy

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Reliable low-cost surrogate modeling and design optimisation of antennas using implicit space mapping with substrate segmentation

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Abstract: In this work, a reliable methodology for fast simulation-driven design optimisation of antenna structures is proposed. The authors’ approach exploits implicit space mapping (ISM) technology. To adopt it for handling antenna structures, they introduce substrate segmentation with separate dielectric permittivity value assigned for each segment as ISM preassigned parameters. At the same time, the coarse model for space mapping is established by reducing discretisation level of the EM analysis of the antenna structure at hand. Further, the proposed approach is generalised to permit execution of ISM in case of dielectric resonator antennas (DRAs), which is realised by segmentation of the DR and appropriate assignment of permittivity values. The discussed methodology is demonstrated through optimisation of a bandwidth-enhanced patch antenna and a triangular DRA. Comparison with state-of-the-art surrogate-assisted design methods, here, frequency and output space mapping, as well as conventional optimisation using pattern search, is also provided.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
IET Microwaves Antennas & Propagation nr 11, wydanie 14, strony 2066 - 2070,
ISSN: 1751-8725
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Kozieł S., Bekasiewicz A.: Reliable low-cost surrogate modeling and design optimisation of antennas using implicit space mapping with substrate segmentation// IET Microwaves Antennas & Propagation. -Vol. 11, iss. 14 (2017), s.2066-2070
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1049/iet-map.2017.0382
Weryfikacja:
Politechnika Gdańska

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