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Recent developments in simulation-driven multi-objective design of antennas

Recent developments in simulation-driven multi-objective design of antennas


Title: Recent developments in simulation-driven multi-objective design of antennas
Author: Koziel, Slawomir   orcid.org/0000-0002-0584-4427
Bekasiewicz, Adrian   orcid.org/0000-0003-0244-541X
Date: 2015-09-23
Language: English
Scope: 781-789
University/Institute: Háskólinn í Reykjavík
Reykjavik University
School: Tækni- og verkfræðideild (HR)
School of Science and Engineering (RU)
Department: Engineering Optimization& Modeling Center (EOMC) (RU)
Series: Bulletin of the Polish Academy of Sciences Technical Sciences;63(3)
ISSN: 0239-7528
2300-1917 (eISSN)
DOI: 10.1515/bpasts-2015-0089
Subject: Computer aided design; Antenna design; Multi-objective optimization; Surrogate models; Evolutionary algorithms; Particle swarm optimization; Genetic algorithm; Models; Loftnet; Tölvustudd hönnun; Bestun; Reiknirit
URI: https://hdl.handle.net/20.500.11815/1106

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Citation:

Koziel, S., & Bekasiewicz, A. (2015). Recent developments in simulation-driven multi-objective design of antennas, Bulletin of the Polish Academy of Sciences Technical Sciences, 63(3), 781-789. doi: https://doi.org/10.1515/bpasts-2015-0089

Abstract:

This paper addresses computationally feasible multi-objective optimization of antenna structures. We review two recent techniques that utilize the multi-objective evolutionary algorithm (MOEA) working with fast antenna replacement models (surrogates) constructed as Kriging interpolation of coarse-discretization electromagnetic (EM) simulation data. The initial set of Pareto-optimal designs is subsequently refined to elevate it to the high-fidelity EM simulation accuracy. In the first method, this is realized point-by-point through appropriate response correction techniques. In the second method, sparsely sampled high-fidelity simulation data is blended into the surrogate model using Co-kriging. Both methods are illustrated using two design examples: an ultra-wideband (UWB) monocone antenna and a planar Yagi-Uda antenna. Advantages and disadvantages of the methods are also discussed.

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