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Full AC power flow model is an accurate mathematical model for representing the physical power systems. In practice, however, the utilization of this model is limited due to the computational complexity associated with its nonlinear and…

系统与控制 · 计算机科学 2018-11-27 Xingpeng Li , Kory Hedman

The method for controlling a DC-DC converter is proposed to ensures the high quality control at large fluctuations in load currents by using differential gain control coefficients and second derivative control. Various implementations of…

系统与控制 · 电气工程与系统科学 2024-08-13 Alexander Domyshev , Elena Chistyakova , Aliona Dreglea , Denis Sidorov , Fang Liu

In this paper we propose a variation of the widely popular Interconnection-and-Damping-Assigment Passivity-Based Control (IDA-PBC) based on Poincare's Lemma to design output feedback globally stabilizing controllers for two dimensional…

系统与控制 · 电气工程与系统科学 2025-10-03 Rafael Cisneros , Leyan Fang , Wei He , Romeo Ortega

To extend the realm of application of the well known controller design technique of interconnection and damping assignment passivity-based control (IDA-PBC) of mechanical systems two modifications to the standard method are presented in…

最优化与控制 · 数学 2015-06-26 Alejandro Donaire , Romeo Ortega , Jose Guadalupe Romero

A theoretical study on the voltage response function <V> of a series array of dc SQUIDs is presented in which the elementary dc SQUID loops vary in size and, possibly, in orientation. Such series arrays of two-junction SQUIDs possess…

超导电性 · 物理学 2009-10-31 Ch. Haeussler , J. Oppenlaender , N. Schopohl

Probabilistic integral circuits (PICs) have been recently introduced as probabilistic models enjoying the key ingredient behind expressive generative models: continuous latent variables (LVs). PICs are symbolic computational graphs defining…

机器学习 · 计算机科学 2025-02-06 Gennaro Gala , Cassio de Campos , Antonio Vergari , Erik Quaeghebeur

Geomagnetically induced currents (GICs) in power systems are conventionally modelled as direct currents, based on their commonly described quasi-DC nature. For more representative power system dynamic response modelling, it is necessary to…

空间物理 · 物理学 2020-04-08 D. T. O. Oyedokun , M. J. Heyns , P. J. Cilliers , C. T. Gaunt

We employ quantum-volume random-circuit sampling to benchmark the two-QPU entanglement-assisted distributed quantum computing (DQC) and compare it with single-QPU quantum computing. We first specify a single-qubit depolarizing noise model…

量子物理 · 物理学 2024-06-12 Shao-Hua Hu , George Biswas , Jun-Yi Wu

Interconnecting power converters (IPC) are the main elements enabling the interconnection of multiple high-voltage alternating current (HVAC) and high-voltage direct current (HVDC) subgrids. These converters can be classified either as…

系统与控制 · 电气工程与系统科学 2024-12-23 Josep Arévalo-Soler , Mehrdad Nahalparvari , Dominic Gross , Eduardo Prieto-Araujo , Staffan Norrga , Oriol Gomis-Bellmunt

Period doubling bifurcation leading to subharmonic oscillations are undesired phenomena in switching converters. In past studies, their prediction has been mainly tackled by explicitly deriving a discrete time model and then linearizing it…

混沌动力学 · 物理学 2012-04-24 A. El Aroudi

Recent research on multilevel inverters shows exciting properties, including the potential to generate multiple output voltages and integrated voltage boosting. However, most presented inverter topologies have a restricted number of output…

系统与控制 · 电气工程与系统科学 2022-04-15 Farzad Iraji , Nima Tashakor , Stefan Goetz

This paper reviews Voltage-Source Converters (VSCs) EMT and Phasor models currently used to simulate converter-interfaced generation (CIG) and renewable energy resources integration to power systems. Several modelling guidelines and…

系统与控制 · 电气工程与系统科学 2021-12-03 Vinícius Albernaz Lacerda , Eduardo Prieto Araujo , Marc Cheah-Mañe , Oriol Gomis-Bellmunt

We design a dynamically-weighted state-averaged constrained CASSCF to treat \ul{e}lectrons or \ul{h}oles moving between $n$ molecular fragments (where $n$ can be larger than 2). Within such a so-called eDSCn/hDSCn approach, we consider…

计算物理 · 物理学 2025-09-01 Tian Qiu , Joseph E. Subotnik

Electrical power conversions are common in a large variety of engineering applications. With reference to AC/DC and DC/AC power conversions, a strong research interest resides in multilevel converters, thanks to the many advantages they…

系统与控制 · 电气工程与系统科学 2024-07-31 Davide Tebaldi , Roberto Zanasi

The paper considers a DC-DC buck power converter employing pulse width modulation and voltage feedback control. Global asymptotical stability of a periodical operating mode is examined. It is shown that the stability analysis can be reduced…

最优化与控制 · 数学 2007-05-23 Alexander N. Churilov

Pumping of electrons through nano-scale devices is one of the fascinating achievements in the field of nano-science with a wide range of applications. To optimize the performance of pumps, operating them at high frequencies is mandatory. We…

介观与纳米尺度物理 · 物理学 2012-08-07 Alexander Croy , Ulf Saalmann

This paper presents a passivity-based control framework for AC-DC converters supplying non-passive Information Technology rack loads in DC data centers. Unlike conventional cascaded proportional-integral controllers that ensure stability…

系统与控制 · 电气工程与系统科学 2026-05-22 Lizhi Wang , Fei Feng , Ella Chou , Yashen Lin

Model Predictive Control (MPC) method is a class of advanced control techniques most widely applied in industry. The major advantages of the MPC are its straightforward procedure which can be applied for both linear and nonlinear system.…

系统与控制 · 计算机科学 2017-04-17 Mohammad Amin , Marta Molinas

The dynamics of the {\em generalized} CEV process $dX_t = aX_t^n dt+ bX_t^m dW_t$ $(gCEV)$ is due to an interplay of two feedback mechanisms: State-to-Drift and State-to-Diffusion, whose degrees are $n$ and $m$ respectively. We particularly…

数据分析、统计与概率 · 物理学 2015-05-19 St. Reimann , V. Gontis , M. Alaburda

ZIP loads (the parallel combination of constant impedance loads, constant current loads and constant power loads) exist widely in power system. In order to stabilize buck converter based DC distributed system with ZIP load, an adaptive…

系统与控制 · 电气工程与系统科学 2024-12-13 Wei He , Yanqin Zhang , Yukai Shang , Mohammad Masoud Namazi , Wangping Zhou , Josep M. Guerrero