On low-fidelity models for variable-fidelity simulation-driven design optimization of compact wideband antennas
Abstrakt
The paper addresses simulation-driven design optimization of compact antennas involving variable-fidelity electromagnetic (EM) simulation models. Comprehensive investigations are carried out concerning selection of the coarse model discretization density. The effects of the low-fidelity model setup on the reliability and computational complexity of the optimization process are determined using a benchmark set of three ultra-wideband antennas designed for the best matching and for the minimum size. The optimization algorithm of choice is trust-region gradient search with low-fidelity model correction realized through frequency scaling and multiplicative output space mapping. The results indicate that appropriate low-fidelity model setup can be assessed using a correlation analysis based on the selected characteristic points of the antenna responses and sparsely allocated test designs, and the results are consistent across the considered benchmark set.
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- Wersja publikacji
- Accepted albo Published Version
- Licencja
- Copyright (2018 Warsaw Univ. of Technology, IEEE)
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Tytuł wydania:
- 2018 22nd International Microwave and Radar Conference (MIKON) strony 1 - 4
- Język:
- angielski
- Rok wydania:
- 2018
- Opis bibliograficzny:
- Kozieł S., Unnsteinsson S., Bekasiewicz A.: On low-fidelity models for variable-fidelity simulation-driven design optimization of compact wideband antennas// 2018 22nd International Microwave and Radar Conference (MIKON)/ : , 2018, s.1-4
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.23919/mikon.2018.8404991
- Bibliografia: test
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- Weryfikacja:
- Politechnika Gdańska
wyświetlono 71 razy
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