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 …

Antenna modeling using variable-fidelity EM simulations and constrained co-kriging

A Pietrenko-Dabrowska, S Koziel - IEEE Access, 2020 - ieeexplore.ieee.org
Utilization of fast surrogate models has become a viable alternative to direct handling of full-
wave electromagnetic (EM) simulations in EM-driven design. Their purpose is to alleviate …

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 …

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 …

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 …

Reliable EM-driven size reduction of antenna structures by means of adaptive penalty factors

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Miniaturization has become of paramount importance in the design of modern antenna
systems. In particular, compact size is essential for emerging application areas such as …

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) …

An early history of optimization technology for automated design of microwave circuits

JW Bandler, JE Rayas-Sánchez - IEEE Journal of Microwaves, 2022 - ieeexplore.ieee.org
This paper outlines the early history of optimization technology for the design of microwave
circuits—a personal journey filled with aspirations, academic contributions, and commercial …

Knowledge-based performance-driven modeling of antenna structures

S Koziel, A Pietrenko-Dabrowska - Knowledge-Based Systems, 2022 - Elsevier
The importance of surrogate modeling techniques in the design of modern antenna systems
has been continuously growing over the recent years. This phenomenon is a matter of …

Accelerated gradient-based optimization of antenna structures using multifidelity simulations and convergence-based model management scheme

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The importance of numerical optimization has been steadily growing in the design of
contemporary antenna structures. The primary reason is the increasing complexity of …