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 …

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 …

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 …

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 …

Fast multi-objective optimization of antenna structures by means of data-driven surrogates and dimensionality reduction

S Koziel, A Pietrenko-Dabrowska - IEEE Access, 2020 - ieeexplore.ieee.org
Design of contemporary antenna structures needs to account for several and often
conflicting objectives. These are pertinent to both electrical and field properties of 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 …

Multi-material design optimization of optical properties of particulate products by discrete dipole approximation and sequential global programming

N Nees, L Pflug, B Mann, M Stingl - Structural and Multidisciplinary …, 2023 - Springer
The optimal design of nanoparticles with respect to their optical properties is one of the main
foci within nanoparticle technology. In this contribution, we suggest a new design …

Rapid antenna optimization with restricted sensitivity updates by automated dominant direction identification

A Pietrenko-Dabrowska, S Koziel - Knowledge-Based Systems, 2023 - Elsevier
Meticulous tuning of geometry parameters turns pivotal in improving performance of antenna
systems. It is more and more often realized using formal optimization methods, which is …

Fast design closure of compact microwave components by means of feature-based metamodels

A Pietrenko-Dabrowska, S Koziel - Electronics, 2020 - mdpi.com
Precise tuning of geometry parameters is an important consideration in the design of
modern microwave passive components. It is mandatory due to limitations of theoretical …

Machine learning-assisted optimization for antenna geometry design

Q Wu, W Chen, C Yu, H Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A machine-learning-assisted optimization (MLAO) method for antenna geometry design
(AGD)(MLAO-AGD) is proposed. By combining machine learning (ML) methods, including a …