Reduced-order aggregate model for large-scale converters with inhomogeneous initial conditions in DC microgrids

R Wang, Q Sun, P Tu, J Xiao, Y Gui… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In practical microgrids, the inhomogeneous initial values are widely appeared due to soft-
starting operation. If traditional model order reduction approaches are applied, the input …

Reduced-order transfer function model of the droop-controlled inverter via Jordan continued-fraction expansion

W Rui, S Qiuye, Z Pinjia, G Yonghao… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
This article proposes a reduced-order small-signal closed-loop transfer function model
based on Jordan continued-fraction expansion to assess the dynamic characteristics of the …

Dynamic output-feedback control for singular interval-valued fuzzy systems: Linear matrix inequality approach

IS Park, C Park, NK Kwon, PG Park - Information Sciences, 2021 - Elsevier
This paper introduces an admissibilization condition for singular interval-valued fuzzy
systems with a dynamic output-feedback controller using a linear matrix inequality approach …

Model order reduction for PMU-based state estimation in distribution grids

D Carta, A Benigni, C Muscas - IEEE Systems Journal, 2017 - ieeexplore.ieee.org
In this paper, an approach to perform model reduction of distribution grids for phasor
measurement unit (PMU)-based state estimation (SE) purposes is presented. The method is …

Adaptive neural security control for networked singular systems under deception attacks

W Ao, H Zhang, N Zhao, LI Minchala - IEEE Access, 2022 - ieeexplore.ieee.org
This paper studies the issue of the adaptive neural security controller design for uncertain
networked singular systems in the presence of deception attacks. Considering that the attack …

Circuit synthesis techniques of rational models of electromagnetic systems: A tutorial paper

D Romano, G Antonini, U Grossner… - … Journal of Numerical …, 2019 - Wiley Online Library
This work aims to review the state of the art of the most important circuit synthesis techniques
of rational approximation of electromagnetic multiport systems in order to incorporate them …

Computation of dominant poles and residue matrices for multivariable transfer functions of infinite power system models

SL Varricchio, FD Freitas, N Martins… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper describes the first reliable Newton algorithm for the sequential computation of the
set of dominant poles of scalar and multivariable transfer functions of infinite systems. This …

Negative imaginary lemmas for descriptor systems

J Xiong, A Lanzon, IR Petersen - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This technical note studies the negative imaginary properties of descriptor linear systems
based on state-space realizations. Under the assumption of a minimal realization, necessary …

Factorized squared Smith method for large-scale Stein equations with high-rank terms

B Yu, N Dong, Q Tang - Automatica, 2023 - Elsevier
Solving large-scale Stein equations with high-ranked coefficient and constant terms is
relatively difficult since the solution is no longer numerically low-ranked and its storage and …

[PDF][PDF] Numerical study on continuous-time algebraic Riccati equations arising from large-scale sparse descriptor systems

M Uddin - Master's thesis, Bangladesh University of Engineering …, 2020 - academia.edu
The mathematical models derived from the physical models are the pivot ingredient in
science and engineering, especially, in the control theory. Most of the physical models have …