Small-signal modeling of AC power electronic systems: Critical review and unified modeling

Y Liao, X Wang - IEEE Open Journal of Power Electronics, 2021 - ieeexplore.ieee.org
The harmonic state-space (HSS), the dynamic phasor (DP), and the generalized dq (GDQ)
modeling are three widely used methods for small-signal analysis of ac power electronic …

Reduced-order models for representing converters in power system studies

Y Gu, N Bottrell, TC Green - IEEE Transactions on Power …, 2017 - ieeexplore.ieee.org
A reduced-order model that preserves physical meaning is important for generating insight
in large-scale power system studies. The conventional model-order reduction for a multiple …

Selective harmonic current rejection for virtual oscillator controlled grid-forming voltage source converters

MA Awal, H Yu, I Husain, W Yu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Virtual oscillator control (VOC) is a nonlinear grid-forming controller that simultaneously
achieves the functionality of output voltage control and primary control layers in a power …

Stability assessment of power-converter-based AC systems by LTP theory: Eigenvalue analysis and harmonic impedance estimation

V Salis, A Costabeber, SM Cox… - IEEE Journal of …, 2017 - ieeexplore.ieee.org
Stability analysis of power-converter-based ac systems poses serious challenges not only
because of the nonlinear nature of power converters, but also because linearization is not …

Body stiffness and damping depend sensitively on the timing of muscle activation in lampreys

ED Tytell, JA Carr, N Danos… - Integrative and …, 2018 - academic.oup.com
Unlike most manmade machines, animals move through their world using flexible bodies
and appendages, which bend due to internal muscle and body forces, and also due to …

Linearized modeling methods of AC–DC converters for an accurate frequency response

JB Kwon, X Wang, F Blaabjerg, CL Bak… - IEEE Journal of …, 2017 - ieeexplore.ieee.org
Wideband harmonics and resonances are challenging the stability and power quality of
emerging power-electronic-based power systems, and therefore, harmonic modeling and …

Frequency-domain subspace identification of linear time-periodic (LTP) systems

İ Uyanık, U Saranlı, MM Ankaralı… - … on Automatic Control, 2018 - ieeexplore.ieee.org
This paper proposes a new methodology for subs-pace-based state-space identification for
linear time-periodic (LTP) systems. Since LTP systems can be lifted to equivalent linear time …

Review of Challenges and Research Opportunities for Control of Transmission Grids

Y Gui, S Jiang, L Bai, Y Xue, H Wang, J Reidt… - IEEE …, 2024 - ieeexplore.ieee.org
The integration of various grid-enhancing technologies is crucial for addressing the current
challenges faced in controlling transmission grids. The growing variability in energy supply …

Thévenin equivalent circuits for modeling common-mode behavior in power electronic systems

TJ Donnelly, SD Pekarek, DR Fudge… - IEEE Open Access …, 2020 - ieeexplore.ieee.org
Modeling the common-mode behavior of power electronic systems can be a challenge. This
research aims to simplify the process by developing a modeling approach based on …

Beyond performance/cost tradeoffs in motion control: A multirate feedforward design with application to a dual-stage wafer system

J van Zundert, T Oomen, J Verhaegh… - … on Control Systems …, 2018 - ieeexplore.ieee.org
Motion systems with multiple control loops often run at a single sampling rate for simplicity of
implementation and controller design. The achievable performance in terms of position …