Space map**

S Koziel, QS Cheng, JW Bandler - IEEE Microwave Magazine, 2008 - ieeexplore.ieee.org
Microwave CAD has its roots in the 1960s [1]. Its practice saw the enrichment of circuit-
based model libraries, advances in EM and circuit simulation accuracy, and the refinement …

Advanced RF and microwave design optimization: A journey and a vision of future trends

JE Rayas-Sánchez, S Koziel… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
In this paper, we outline the historical evolution of RF and microwave design optimization
and envisage imminent and future challenges that will be addressed by the next generation …

[BUCH][B] Antenna design by simulation-driven optimization

S Koziel, S Ogurtsov - 2014 - Springer
Design of contemporary antenna structures heavily relies on electromagnetic (EM)
simulations. Accurate reflection and radiation responses of many antenna geometries can …

Cognition-driven formulation of space map** for equal-ripple optimization of microwave filters

C Zhang, F Feng, QJ Zhang… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Space map** is a recognized method for speeding up electromagnetic (EM) optimization.
Existing space-map** approaches belong to the class of surrogate-based optimization …

Power in simplicity with ASM: Tracing the aggressive space map** algorithm over two decades of development and engineering applications

JE Rayas-Sanchez - IEEE Microwave Magazine, 2016 - ieeexplore.ieee.org
The most widely used space map** approach to efficient design optimization is the
aggressive space map** (ASM) algorithm. My purpose here is to present both a historical …

Demystifying surrogate modeling for circuits and systems

MB Yelten, T Zhu, S Koziel… - IEEE Circuits and …, 2012 - ieeexplore.ieee.org
In this article, grey-box and black-box surrogate modeling are described, with some key
findings. The important point is that surrogate modeling has a solid mathematical basis …

Surrogate modelling and optimization using shape-preserving response prediction: A review

L Leifsson, S Koziel - Engineering Optimization, 2016 - Taylor & Francis
Computer simulation models are ubiquitous in modern engineering design. In many cases,
they are the only way to evaluate a given design with sufficient fidelity. Unfortunately, an …

Multifeature-assisted neuro-transfer function surrogate-based EM optimization exploiting trust-region algorithms for microwave filter design

F Feng, W Na, W Liu, S Yan, L Zhu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This article proposes a multifeature-assisted neuro-transfer function (neuro-TF) surrogate-
based electromagnetic (EM) optimization technique exploiting trust-region algorithms for …

[BUCH][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 …

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 …