Model order reduction of time-domain vibro-acoustic finite element simulations with admittance boundary conditions for virtual sensing applications

Y Cai, S van Ophem, W Desmet, E Deckers - Mechanical Systems and …, 2023 - Elsevier
Virtual sensing employs an estimator that combines a numerical model and a limited set of
measurements to estimate the full field pressure of a vibro-acoustic system in the time …

An indirect approach for online identification of continuous time‐delay systems

S Sharma, PK Padhy - International Journal of Numerical …, 2022 - Wiley Online Library
This article proposed an online identification technique, also known as a real‐time recursive
identification technique for continuous time‐delay systems. The proposed approach is …

Application of the matrix pencil method to rational fitting of frequency-domain responses

K Sheshyekani, HR Karami… - … on Power Delivery, 2012 - ieeexplore.ieee.org
This paper presents a general methodology based on the matrix pencil method (MPM) for
the fitting of frequency-domain responses in order to be properly represented in time-domain …

Aaa algorithm for rational transfer function approximation with stable poles

A Valera-Rivera, AE Engin - IEEE Letters on Electromagnetic …, 2021 - ieeexplore.ieee.org
Signal and power integrity analysis in time-domain requires suitable models for
interconnects and power distribution networks, which are often available only in terms of …

Advancements in the identification of passive RC networks for compact modeling of thermal effects in electronic devices and systems

L De Tommasi, A Magnani… - International Journal of …, 2018 - Wiley Online Library
We deal with the problem of identifying the parameters of an equivalent lumped RC multiport
network from time domain tabulated data of a corresponding distributed real eigenvalues …

A data passivity-enforcement preprocessing approach to multiport system modeling

LPRK Ihlenfeld, GHC Oliveira… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The passivity enforcement problem is always a key issue when estimating passive black-box
models. Passivity has been broadly scrutinized in the literature and is known to yield stable …

Passive scalar function approximation using sos polynomials

AE Engin - IEEE Transactions on Electromagnetic Compatibility, 2022 - ieeexplore.ieee.org
Signal and power integrity design in the time domain requires equivalent circuit models for
interconnects and packages, whose descriptions may only be available as tabulated …

LMI-based method for estimating passive blackbox models in power systems transient analysis

GHC Oliveira, C Rodier… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Power system transient analysis relies on the deployment of models with ever-increasing
accuracy that represents the system's frequency-dependent components with respect to the …

A faster passivity enforcement method via chordal sparsity

LPRK Ihlenfeld, GHC Oliveira - Electric Power Systems Research, 2022 - Elsevier
Passivity enforcement methods entail the solution of optimization problems characterized by
significant computational complexity. Optimal solutions require the use of positive-real …

Passive modeling of one-port networks through sos orthogonal rational functions

F Coronado, AE Engin - 2022 IEEE 26th Workshop on Signal …, 2022 - ieeexplore.ieee.org
Signal and power integrity design in the time domain requires equivalent circuit models for
interconnects and packages, whose descriptions may only be available as tabulated …