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Rapid multi-objective antenna design using point-by-point Pareto set identification and local surrogate models

Abstrakt

Antenna design is inherently a multicriterial problem.Determination of the best possible tradeoffs between conflicting objectives (a so-called Pareto front), such as reflection response, gain, and antenna size, is indispensable from the designer’s point of view, yet challenging when high-fidelity electromagnetic (EM) simulations are utilized for performance evaluation. Here, a novel and computationally efficient methodology for multiobjective optimization of antenna structures is presented. In our approach, the trade off designs are obtained by moving along the Pareto front and identifying the subsequent Pareto-optimal solutions using surrogate-based optimization techniques. Computational efficiency of the process is achieved by employing coarse-discretization EM simulations and local response surface approximation (RSA) models. The pro-posed approach is demonstrated using a compact ultrawideband (UWB) monopole antenna with a representation of the Pareto front obtained at the cost corresponding to just a few dozen of evaluations of the high-fidelity EM antenna model. Experimental validation is also provided.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION nr 64, wydanie 6, strony 2551 - 2556,
ISSN: 0018-926X
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Kozieł S., Bekasiewicz A.: Rapid multi-objective antenna design using point-by-point Pareto set identification and local surrogate models// IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION. -Vol. 64, iss. 6 (2016), s.2551-2556
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tap.2016.2550034
Weryfikacja:
Politechnika Gdańska

wyświetlono 135 razy

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