Statistically inspired passivity preserving model order reduction

N Akram, M Alam, R Hussain, Y Massoud - IEEE Access, 2023 - ieeexplore.ieee.org
The continuous scaling of the on-chip devices and interconnects increases the complexity of
the design space and becomes a crucial factor in the fabrication of modern integrated …

Mixed positive-bounded balanced truncation

Z Salehi, P Karimaghaee… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reducing the order of positive real and bounded real systems has received great interest
over the years. Several methods have been published regarding these issues which are …

Passivity-preserving, balancing-based model reduction for interconnected systems

L Poort, B Besselink, RHB Fey, N van de Wouw - IFAC-PapersOnLine, 2023 - Elsevier
This paper proposes a balancing-based model reduction approach for an interconnection of
passive dynamic subsystems. This approach preserves the passivity and stability of both the …

Time/frequency-limited positive-real truncated balanced realizations

U Zulfiqar, M Imran, A Ghafoor… - IMA Journal of …, 2020 - academic.oup.com
Many integrated electrical circuits and networks comprise of large RLC ladders. These
complex circuits are described by high-order positive-real transfer functions. To simplify the …

Model order reduction based on dynamic relative gain array for MIMO systems

W Liang, HB Chen, G He, J Chen - IEEE transactions on circuits …, 2019 - ieeexplore.ieee.org
The computational efficiency of traditional model order reduction (MOR) methods may
degrade sharply for multi-input multi-output (MIMO) systems especially when the number of …

Frequency limited model reduction techniques for discrete-time systems

HI Toor, M Imran, A Ghafoor, D Kumar… - … on Circuits and …, 2019 - ieeexplore.ieee.org
The main drawback of pioneer frequency limited Gramians-based technique by Wang and
Zilouchain for discrete time system is that it yields unstable reduced order models (ROMs) of …

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

U Zulfiqar, V Sreeram, MI Ahmad… - International Journal of …, 2022 - Taylor & Francis
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 …

Balancing-Based Reduction for Interconnected Passive Systems

L Poort, B Besselink, RHB Fey… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We propose a novel balancing-based reduction approach for the reduction of
interconnected, passive LTI subsystems. This approach retains (strict) passivity and …

Mixed Riccati–Lyapunov Balanced Truncation for Order Reduction of Electrical Circuit Systems

HD Dao, TT Nguyen, NK Vu, HS Vu, HQ Nguyen - Energies, 2024 - mdpi.com
This paper proposes a novel algorithm, termed Mixed Riccati–Lyapunov Balanced
Truncation (MRLBT), tailored for order reduction of Linear Time-Invariant Continuous-Time …

Positive-real truncated balanced realization based frequency-weighted model reduction

D Kumar, U Zulfiqar, V Sreeram, M Imran… - 2019 Australian & …, 2019 - ieeexplore.ieee.org
In this paper, a new frequency-weighted positive real balanced truncation technique is
presented by using a combination of frequency-weighted model reduction with the positive …