activity
20192022
most citedFrequency-Limited Pseudo-Optimal Rational Krylov Algorithm for Power System Reduction

14 citations · 38 across the 10 of their papers we have counts for

collaborators

10 papers

eess.SY2022

Relative Error-based Time-limited H2 Model Order Reduction via Oblique Projection

Umair Zulfiqar, Xin Du, Qiuyan Song +2

In time-limited model order reduction, a reduced-order approximation of the original high-order model is obtained that accurately approximates the original model within the desired…

eess.SY2022

Frequency-limited H Model Order Reduction Based on Relative Error

Umair Zulfiqar, Xin Du, Qiuyan Song +2

Frequency-limited model order reduction aims to approximate a high-order model with a reduced-order model that maintains high fidelity within a specific frequency range. Beyond thi…

eess.SY2021★ 1 cited

On frequency- and time-limited H2-optimal model order reduction

Umair Zulfiqar, Victor Sreeram, Xin Du

In this paper, the problems of frequency-limited and time-limited H2-optimal model order reduction of linear time-invariant systems are considered within the oblique projection fra…

eess.SY2021★ 1 cited

Frequency-weighted H2-optimal model order reduction via oblique projection

Umair Zulfiqar, Victor Sreeram, Mian Ilyas Ahmad +1

In projection-based model order reduction, a reduced-order approximation of the original full-order system is obtained by projecting it onto a reduced subspace that contains its do…

eess.AS2020

Multi-task Learning Based Spoofing-Robust Automatic Speaker Verification System

Yuanjun Zhao, Roberto Togneri, Victor Sreeram

Spoofing attacks posed by generating artificial speech can severely degrade the performance of a speaker verification system. Recently, many anti-spoofing countermeasures have been…

eess.SY2020★ 7 cited

Time- and frequency-limited H2-optimal model order reduction of bilinear control systems

Umair Zulfiqar, Victor Sreeram, Mian Ilyas Ahmad +1

In the time- and frequency-limited model order reduction, a reduced-order approximation of the original high-order model is sought to ensure superior accuracy in some desired time…

eess.SY2019★ 1 cited

Adaptive Frequency-limited H2-Model Order Reduction

Umair Zulfiqar, Victor Sreeram, Xin Du

In this paper, we present an adaptive framework for constructing a pseudo-optimal reduced model for the frequency-limited H2-optimal model order reduction problem. We show that the…

eess.SY2019★ 14 cited

Frequency-Limited Pseudo-Optimal Rational Krylov Algorithm for Power System Reduction

Umair Zulfiqar, Victor Sreeram, Xin Du

In this paper, a computationally efficient frequency-limited model reduction algorithm is presented for large-scale interconnected power systems. The algorithm generates a reduced…

eess.SY2019★ 14 cited

Time-limited pseudo-optimal H-model order reduction

Umair Zulfiqar, Victor Sreeram, Xin Du

A model order reduction algorithm is presented that generates a reduced-order model of the original high-order model, which ensures high-fidelity within the desired time interval.…

eess.SY2019

Frequency-weighted H2-Pseudo-optimal Model Order Reduction

Umair Zulfiqar, Victor Sreeram, Mian Ilyas Ahmad +1

The frequency-weighted model order reduction techniques are used to find a lower-order approximation of the high-order system that exhibits high-fidelity within the frequency regio…