Parametric modeling of EM behavior of microwave components using combined neural networks and pole-residue-based transfer functions

F Feng, C Zhang, J Ma, QJ Zhang - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper proposes an advanced technique to develop combined neural network and pole-
residue-based transfer function models for parametric modeling of electromagnetic (EM) …

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

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

Global optimization of microwave filters based on a surrogate model-assisted evolutionary algorithm

B Liu, H Yang, MJ Lancaster - IEEE Transactions on Microwave …, 2017 - ieeexplore.ieee.org
Local optimization is a routine approach for full-wave optimization of microwave filters. For
filter optimization problems with numerous local optima or where the initial design is not …

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 …

Parametric modeling of microwave components using adjoint neural networks and pole-residue transfer functions with EM sensitivity analysis

F Feng, C Zhang, J Ma, QJ Zhang - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper proposes a pole-residue-based adjoint neuro-transfer function (neuro-TF)
technique with electromagnetic (EM) sensitivity analysis for parametric modeling of EM …

Advanced parallel space-mapping-based multiphysics optimization for high-power microwave filters

W Zhang, F Feng, W Liu, S Yan, J Zhang… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Space mapping is a recognized surrogate-based optimization method to accelerate the
electromagnetic (EM) design. In this article, for the first time, space mapping is elevated from …

Parallel gradient-based EM optimization for microwave components using adjoint-sensitivity-based neuro-transfer function surrogate

F Feng, W Na, W Liu, S Yan, L Zhu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article proposes a novel parallel gradient-based electromagnetic (EM) optimization
approach to microwave components using adjoint-sensitivity-based neuro-transfer function …

Space mapping approach to electromagnetic centric multiphysics parametric modeling of microwave components

W Zhang, F Feng, J Zhang, S Yan, J Ma… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper proposes a novel technique to develop a low-cost electromagnetic (EM) centric
multiphysics parametric model for microwave components. In the proposed method, we use …

Parallel space-mapping approach to EM optimization

F Feng, C Zhang, QJ Zhang, J Ma - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Space mapping (SM) is a recognized method for speeding up electromagnetic (EM)
optimization. Existing SM approaches are mostly based on sequential computation …

Space mapping technique using decomposed mappings for GaN HEMT modeling

Z Zhao, L Zhang, F Feng, W Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A novel space mapping (SM) modeling approach for gallium nitride (GaN) high-electron-
mobility transistors (HEMTs) with trapping effects is presented in this article, advancing the …