Zobrazeno 1 - 10 of 44 pro vyhledávání: '"Mian Ilyas Ahmad"'
1
Akademický článek
Multivariate moment-matching for model order reduction of quadratic-bilinear systems using error bounds
Autor: Muhammad Altaf Khattak, Mian Ilyas Ahmad, Lihong Feng, Peter Benner
Publikováno v: Advanced Modeling and Simulation in Engineering Sciences, Vol 9, Iss 1, Pp 1-14 (2022)
Abstract We propose an adaptive moment-matching framework for model order reduction of quadratic-bilinear systems. In this framework, an important issue is the selection of those shift frequencies where moment-matching is to be achieved. So far, the
Externí odkaz: https://doaj.org/article/bca53c90ecb94dadbe0ee2de58701e25
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2
Akademický článek
Development of Frequency Weighted Model Order Reduction Techniques for Discrete-Time One-Dimensional and Two-Dimensional Linear Systems With Error Bounds
Autor: Muhammad Imran, Mian Ilyas Ahmad
Publikováno v: IEEE Access, Vol 10, Pp 15096-15117 (2022)
Frequency weighted model reduction framework pretested by Enns yields an unstable reduced order model. Researchers demonstrated several stability preserving techniques to address this main shortcoming, ensuring the stability of one-dimensional and tw
Externí odkaz: https://doaj.org/article/7586fed8595f43118467a60cca8bff41
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3
Akademický článek
Frequency Limited & Weighted Model Reduction Algorithm With Error Bound: Application to Discrete-Time Doubly Fed Induction Generator Based Wind Turbines for Power System
Autor: Sajid Bashir, Sammana Batool, Muhammad Imran, Mian Ilyas Ahmad, Fahad Mumtaz Malik, Muhammad Salman, Abdul Wakeel, Usman Ali
Publikováno v: IEEE Access, Vol 9, Pp 9505-9534 (2021)
The state-space representations grant a convenient, compact, and elegant way to examine the physical systems, e.g., induction and synchronous generator-based wind turbines, with facts readily available for stability, controllability, and observabilit
Externí odkaz: https://doaj.org/article/7c5804ee5de8437e93f72f62ea6b70b6
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4
Akademický článek
Corrections to 'Frequency Limited & Weighted Model Reduction Algorithm With Error Bound: Application to Discrete-Time Doubly Fed Induction Generator Based Wind Turbines for Power System'
Autor: Sajid Bashir, Muhammad Imran, Sammana Batool, Mian Ilyas Ahmad, Fahad Mumtaz Malik, Muhammad Salman, Abdul Wakeel, Usman Ali
Publikováno v: IEEE Access, Vol 9, Pp 45527-45527 (2021)
In the above article [1], two relevant references [2], [3] were missing. The last sentence of Section I-C. should read “Proposed technique deals with frequency weighted and limited Gramians based MOR approach for the discrete-time systems. The freq
Externí odkaz: https://doaj.org/article/2c0b3ee9abc040c0bd340144dec8e11b
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5
Akademický článek
A New Multilevel Inverter Topology for Grid-Connected Photovoltaic Systems
Autor: Muhammad Bilal Satti, Ammar Hasan, Mian Ilyas Ahmad
Publikováno v: International Journal of Photoenergy, Vol 2018 (2018)
The demand for clean and sustainable energy has spurred research in all forms of renewable energy sources, including solar energy from photovoltaic systems. Grid-connected photovoltaic systems (GCPS) provide an effective solution to integrate solar e
Externí odkaz: https://doaj.org/article/2d22e8918737460899689264e20a81f8
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8
Development of model reduction technique for weighted and limited-intervals gramians for discrete-time systems via balanced structure with error bound
Autor: Sammana Batool, Muhammad Imran, Mian Ilyas Ahmad
Publikováno v: International Journal of Dynamics and Control. 10:1109-1118
Enns’s weighted and Gawronski and Juang’s limited-interval scheme produce unstable reduced-order models for original stable discrete-time systems. To the best of the author’s knowledge, there is no literature available to overcome these main dr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1db5a332fee805fae450ee8eb9ff45c
https://doi.org/10.1007/s40435-021-00867-4
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9
Frequency-weighted ℋ2-optimal model order reduction via oblique projection
Autor: Umair Zulfiqar, Xin Du, Mian Ilyas Ahmad, Victor Sreeram
Publikováno v: International Journal of Systems Science. 53:182-198
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 dominant characteri...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5320b44b20b2a3e245c03a37cac82313
https://doi.org/10.1080/00207721.2021.1943561
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10
Frequency-weighted ℌ2-pseudo-optimal model order reduction
Autor: Umair Zulfiqar, Xin Du, Victor Sreeram, Mian Ilyas Ahmad
Publikováno v: IMA Journal of Mathematical Control and Information. 38:622-653
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 region emphasized by the frequency weights. In this paper, we investigate t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec4c3480edd35857cd3d498a72774e7a
https://doi.org/10.1093/imamci/dnab003
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