中文
相关论文

相关论文: A Gray-Box Approach for Decentralized Grid-Equival…

200 篇论文

Smart meters provide relevant information for impedance identification, but they lack global phase alignment and internal network nodes are often unobserved. A few methods for this setting were developed, but they have requirements on data…

系统与控制 · 电气工程与系统科学 2026-03-25 Federico Rosato , Lorenzo Nespoli , Vasco Medici

Grid-connected inverters are required to operate stably under a wide range of grid conditions. However, conventional grid-following (GFL) control may suffer from instability under weak-grid conditions, while grid-forming (GFM) control may…

系统与控制 · 电气工程与系统科学 2026-04-07 Zirui Wang , Yitong Li , Quanchi Wu , Jinjun Liu

We introduce Kalman Gradient Descent, a stochastic optimization algorithm that uses Kalman filtering to adaptively reduce gradient variance in stochastic gradient descent by filtering the gradient estimates. We present both a theoretical…

机器学习 · 统计学 2018-10-30 James Vuckovic

Multiple types of Nyquist-like impedance-based criteria are utilized for the small-signal stability analysis of converter-based AC systems. It is usually considered that the determinant-based criterion can determine the overall stability of…

系统与控制 · 电气工程与系统科学 2023-10-11 Chongbin Zhao , Qirong Jiang , Yixin Guo

Power electronic converters for integrating renewable energy resources into power systems can be divided into grid-forming and grid-following inverters. They possess certain similarities, but several important differences, which means that…

系统与控制 · 电气工程与系统科学 2022-01-28 Yitong Li , Yunjie Gu , Timothy C. Green

The popular single-input single-output control structures and classic design methods (e.g., root locus analysis) for the power control of grid-forming converters have limitations in applying to different line characteristics and providing…

系统与控制 · 电气工程与系统科学 2023-05-02 Meng Chen , Dao Zhou , Ali Tayyebi , Eduardo Prieto-Araujo , Florian Dörfler , Frede Blaabjerg

Autonomous vehicles have gained significant attention due to technological advancements and their potential to transform transportation. A critical challenge in this domain is precise localization, particularly in LiDAR-based map matching,…

机器人学 · 计算机科学 2025-01-07 Minoo Dolatabadi , Fardin Ayar , Ehsan Javanmardi , Manabu Tsukada , Mahdi Javanmardi

Evidential occupancy grid maps (OGMs) are a popular representation of the environment of automated vehicles. Inverse sensor models (ISMs) are used to compute OGMs from sensor data such as lidar point clouds. Geometric ISMs show a limited…

机器人学 · 计算机科学 2021-11-22 Raphael van Kempen , Bastian Lampe , Timo Woopen , Lutz Eckstein

In this paper, we propose a method for estimating radial distribution grid admittance matrix using a limited number of measurement devices. Neither synchronized three-phase measurements nor phasor measurements are required. After making…

系统与控制 · 计算机科学 2019-02-21 Xia Miao , Xiaofan Wu , Ulrich Munz , Marija Ilic

Economic models produce moment inequalities, which can be used to form tests of the true parameters. Confidence sets (CS) of the true parameters are derived by inverting these tests. However, they often lack analytical expressions,…

计量经济学 · 经济学 2024-11-14 Lujie Zhou

We present a novel end-to-end deep learning-based adaptation control algorithm for frequency-domain adaptive system identification. The proposed method exploits a deep neural network to map observed signal features to corresponding…

音频与语音处理 · 电气工程与系统科学 2022-03-07 Thomas Haubner , Andreas Brendel , Walter Kellermann

The trend toward Microgrids (MGs) is significantly increasing by employing Distributed Generators (DGs) which leads to new challenges, especially in the fault detection. This paper proposes an algorithm based on the Total Harmonic…

系统与控制 · 电气工程与系统科学 2023-03-29 Wael Al Hanaineh , Jose Matas , Jorge. El mariachet , Josep. M. Guerrero

Ensuring the reliability of power electronic converters is a matter of great importance, and data-driven condition monitoring techniques are cementing themselves as an important tool for this purpose. However, translating methods that work…

机器学习 · 计算机科学 2024-02-28 Pere Izquierdo Gomez , Miguel E. Lopez Gajardo , Nenad Mijatovic , Tomislav Dragicevic

We introduce the Composable Involution Delay Model (CIDM) for fast and accurate digital simulation. It is based on the Involution Delay Model (IDM) [F\"ugger et al., IEEE TCAD 2020], which has been shown to be the only existing candidate…

其他计算机科学 · 计算机科学 2021-04-23 Jürgen Maier , Daniel Öhlinger , Ulrich Schmid , Matthias Függer , Thomas Nowak

Detecting faults in electrical power grids is of paramount importance, either from the electricity operator and consumer viewpoints. Modern electric power grids (smart grids) are equipped with smart sensors that allow to gather real-time…

人工智能 · 计算机科学 2015-07-01 Enrico De Santis , Lorenzo Livi , Alireza Sadeghian , Antonello Rizzi

This work presents a technique to estimate on-line the inertia of a power system based on ambient measurements. The proposed technique utilizes the covariance matrix of these measurements and solves an optimization problem that fits such…

系统与控制 · 电气工程与系统科学 2023-01-18 Federico Bizzarri , Davide del Giudice , Samuele Grillo , Daniele Linaro , Angelo Brambilla , Federico Milano

An inevitable consequence of the global power system transition towards nearly 100% renewable-based generation is the loss of conventional bulk generation by synchronous machines, their inertia, and accompanying frequency and voltage…

系统与控制 · 电气工程与系统科学 2020-03-11 Ali Tayyebi , Dominic Groß , Adolfo Anta , Friederich Kupzog , Florian Dörfler

For real-life nonlinear systems, the exact form of nonlinearity is often not known and the known governing equations are often based on certain assumptions and approximations. Such representation introduced model-form error into the system.…

机器学习 · 统计学 2022-04-20 Shailesh Garg , Souvik Chakraborty , Budhaditya Hazra

In this paper we propose an approach based on an Online Feedback Optimization (OFO) controller with grid input-output sensitivity estimation for real-time grid operation, e.g., at subsecond time scales. The OFO controller uses grid…

系统与控制 · 电气工程与系统科学 2022-05-17 Miguel Picallo , Lukas Ortmann , Saverio Bolognani , Florian Dörfler

A grid tied inverter converts DC voltage into AC voltage, while synchronizing it with the supply line phase and frequency. This paper presents an efficient, robust, and easy-to-implement grid tie mechanism. First, the grid tie mechanism was…

系统与控制 · 电气工程与系统科学 2019-09-16 Uzair Nadeem , Muhammad Shahzaib Atif , Rizwan Ahmed , Hassan Touqeer , Hamood Ur Rahman Khawaja