Low-Cost Data-Driven Surrogate Modeling of Antenna Structures by Constrained Sampling - Publikacja - MOST Wiedzy

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Low-Cost Data-Driven Surrogate Modeling of Antenna Structures by Constrained Sampling

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Full-wave electromagnetic (EM) analysis has become one of the major design tools for contemporary antenna structures. Although reliable, it is computationally expensive which makes automated simulation-driven antenna design (e.g., parametric optimization) difficult. This difficulty can be alleviated by utilization of fast and accurate replacement models (surrogates). Unfortunately, conventional data-driven modeling of antennas is usually prohibitively expensive in terms of data acquisition or even infeasible (due to numerical problems with handling large training data sets). In this letter, a technique for reduced-cost antenna modeling is discussed. It exploits constrained sampling within a restricted region of the design space, defined by the reference designs optimized for selected sets of performance requirements. The proposed approach permits dramatic reduction of the sampled portion of the design space without formally reducing geometry parameter ranges. It is demonstrated using two antenna structures and favorably compared to conventional modeling using kriging interpolation.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
IEEE Antennas and Wireless Propagation Letters nr 16, strony 461 - 464,
ISSN: 1536-1225
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Kozieł S.: Low-Cost Data-Driven Surrogate Modeling of Antenna Structures by Constrained Sampling// IEEE Antennas and Wireless Propagation Letters. -Vol. 16, (2016), s.461-464
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/lawp.2016.2583474
Weryfikacja:
Politechnika Gdańska

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