Machine-learning-powered EM-based framework for efficient and reliable design of low scattering metasurfaces

S Koziel, M Abdullah - IEEE Transactions on Microwave Theory …, 2021 - ieeexplore.ieee.org
Popularity of metasurfaces has been continuously growing due to their attractive properties
including the ability to effectively manipulate electromagnetic (EM) waves. Metasurfaces …

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 yield optimization of narrow-and multi-band antennas using performance-driven surrogates

A Pietrenko-Dabrowska, S Koziel, M Al-Hasan - IEEE Access, 2020 - ieeexplore.ieee.org
Uncertainty quantification is an important aspect of engineering design, also pertaining to
the development and performance evaluation of antenna systems. Manufacturing tolerances …

Antenna optimization using machine learning with reduced-dimensionality surrogates

S Koziel, A Pietrenko-Dabrowska, L Leifsson - Scientific Reports, 2024 - nature.com
In modern times, antenna design has become more demanding than ever. The escalating
requirements for performance and functionality drive the development of intricately …

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 …

Low-cost and highly accurate behavioral modeling of antenna structures by means of knowledge-based domain-constrained deep learning surrogates

S Koziel, N Çalık, P Mahouti… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The awareness and practical benefits of behavioral modeling methods have been steadily
growing in the antenna engineering community over the last decade or so. Undoubtedly, the …

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 …

Reliable computationally efficient behavioral modeling of microwave passives using deep learning surrogates in confined domains

S Koziel, N Çalık, P Mahouti… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The importance of surrogate modeling techniques has been steadily growing over the recent
years in high-frequency electronics, including microwave engineering. Fast metamodels are …

Two-stage variable-fidelity modeling of antennas with domain confinement

A Pietrenko-Dabrowska, S Koziel, L Golunski - Scientific Reports, 2022 - nature.com
Surrogate modeling has become the method of choice in solving an increasing number of
antenna design tasks, especially those involving expensive full-wave electromagnetic (EM) …

Recent advances in high frequency modeling by means of domain confinement and nested kriging

S Koziel, A Pietrenko-Dabrowska - IEEE Access, 2020 - ieeexplore.ieee.org
Development of modern high-frequency components and circuits is heavily based on full-
wave electromagnetic (EM) simulation tools. Some phenomena, although important from the …