Expedited design closure of antennas by means of trust-region-based adaptive response scaling

S Koziel, SD Unnsteinsson - IEEE Antennas and Wireless …, 2018 - ieeexplore.ieee.org
In this letter, a reliable procedure for the expedited design optimization of antenna structures
by means of trust-region adaptive response scaling (TR-ARS) is proposed. The presented …

[图书][B] Multi-objective design of antennas using surrogate models

S Koziel, A Bekasiewicz - 2016 - books.google.com
This book addresses computationally-efficient multi-objective optimization of antenna
structures using variable-fidelity electromagnetic simulations, surrogate modeling …

Reduced‐cost electromagnetic‐driven optimisation of antenna structures by means oftrust‐region gradient‐search with sparse Jacobian updates

S Koziel, A Pietrenko‐Dabrowska - IET Microwaves, Antennas …, 2019 - Wiley Online Library
Numerical optimisation plays more and more important role in the antenna design. Because
of lack of design‐ready theoretical models, electromagnetic (EM)‐simulation‐driven …

Triangulation-based constrained surrogate modeling of antennas

S Koziel, AT Sigurðsson - IEEE Transactions on Antennas and …, 2018 - ieeexplore.ieee.org
Design of contemporary antenna structures is heavily based on full-wave electromagnetic
(EM) simulation tools. They provide accuracy but are CPU intensive. Reduction of EM-driven …

Low-cost data-driven surrogate modeling of antenna structures by constrained sampling

S Koziel - IEEE Antennas and Wireless Propagation Letters, 2016 - ieeexplore.ieee.org
Full-wave electromagnetic analysis has become one of the major design tools for
contemporary antenna structures. Although reliable, it is computationally expensive, which …

Antenna shape synthesis without prior specification of the feedpoint locations

JLT Ethier, DA McNamara - IEEE Transactions on Antennas …, 2014 - ieeexplore.ieee.org
An antenna shape synthesis method is proposed that allows shaping of the antenna
geometry prior to specification of the feed location and type. This reduces the constraints …

Expedited optimization of antenna input characteristics with adaptive Broyden updates

S Koziel, A Pietrenko-Dabrowska - Engineering Computations, 2020 - emerald.com
Purpose A technique for accelerated design optimization of antenna input characteristics is
developed and comprehensively validated using real-world wideband antenna structures …

Variable-fidelity simulation models and sparse gradient updates for cost-efficient optimization of compact antenna input characteristics

S Koziel, A Pietrenko-Dabrowska - Sensors, 2019 - mdpi.com
Design of antennas for the Internet of Things (IoT) applications requires taking into account
several performance figures, both electrical (eg, impedance matching) and field (gain …

Rapid EM-driven antenna dimension scaling through inverse modeling

S Koziel, A Bekasiewicz… - IEEE Antennas and …, 2015 - ieeexplore.ieee.org
In this letter, a computationally feasible technique for dimension scaling of antenna
structures is introduced. The proposed methodology is based on inverse surrogate modeling …

[图书][B] Simulation-based optimization of antenna arrays

S Koziel, S Ogurtsov - 2019 - World Scientific
Computer-aided design (CAD) of antenna arrays is becoming a common practice these
days. In a significant part, this is due to development of computational electromagnetics …