Recent advances in accelerated multi-objective design of high-frequency structures using knowledge-based constrained modeling approach

S Koziel, A Pietrenko-Dabrowska - Knowledge-Based Systems, 2021 - Elsevier
Abstract Design automation, including reliable optimization of engineering systems, is of
paramount importance for both academia and industry. This includes the design of high …

Performance-based nested surrogate modeling of antenna input characteristics

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Utilization of electromagnetic (EM) simulation tools is mandatory in the design of
contemporary antenna structures. At the same time, conducting design procedures that …

Accurate modeling of antenna structures by means of domain confinement and pyramidal deep neural networks

S Koziel, N Çalık, P Mahouti… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The importance of surrogate modeling techniques has been gradually increasing in the
design of antenna structures over the recent years. Perhaps the most important reason is a …

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 …

Constrained multi-objective optimization of compact microwave circuits by design triangulation and pareto front interpolation

S Koziel, A Pietrenko-Dabrowska - European Journal of Operational …, 2022 - Elsevier
Abstract Development of microwave components is an inherently multi-objective task. This is
especially pertinent to the design closure stage, ie, final adjustment of geometry and/or …

Low-cost modeling of microwave components by means of two-stage inverse/forward surrogates and domain confinement

S Koziel, A Pietrenko-Dabrowska… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Full-wave electromagnetic (EM) analysis is one of the most important tools in the design of
modern microwave components and systems. EM simulation permits reliable evaluation of …

On nature-inspired design optimization of antenna structures using variable-resolution EM models

S Koziel, A Pietrenko-Dabrowska - Scientific Reports, 2023 - nature.com
Numerical optimization has been ubiquitous in antenna design for over a decade or so. It is
indispensable in handling of multiple geometry/material parameters, performance goals …

Generalized formulation of response features for reliable optimization of antenna input characteristics

A Pietrenko-Dabrowska, S Koziel - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Electromagnetic (EM)-driven parameter adjustment has become imperative in the design of
modern antennas. It is necessary because the initial designs rendered through topology …

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 …

Improved-efficacy EM-driven optimization of antenna structures using adaptive design specifications and variable-resolution models

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Optimization-driven parameter tuning is an essential step in the design of antenna systems.
Although in many cases, it is still conducted through parametric studies, rigorous numerical …