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相关论文: Power Systems Topology and State Estimation by Gra…

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The growing complexity of modern Cyber-Physical Systems (CPS) and the frequent communication between their components make them vulnerable to malicious attacks. As a result, secure state estimation is a critical requirement for the control…

最优化与控制 · 数学 2020-10-09 Xusheng Luo , Miroslav Pajic , Michael M. Zavlanos

State estimation allows to monitor power networks, exploiting field measurements to derive the most likely grid state. In the literature, measurement errors are usually assumed to follow zero-mean Gaussian distributions; however, it has…

系统与控制 · 电气工程与系统科学 2023-03-07 Marta Vanin , Tom Van Acker , Reinhilde D'hulst , Dirk Van Hertem

Reinforcement learning (RL) has shown great potential for designing voltage control policies, but their performance often degrades under changing system conditions such as topology reconfigurations and load variations. We introduce a…

系统与控制 · 电气工程与系统科学 2026-02-12 Jie Feng , Yuanyuan Shi , Deepjyoti Deka

This two-part work considers the minimum means square error (MMSE) estimation problem for a high dimensional multi-layer generalized linear model (ML-GLM), which resembles a feed-forward fully connected deep learning network in that each of…

信息论 · 计算机科学 2020-07-21 Haochuan Zhang , Qiuyun Zou , Hongwen Yang

This paper proposes a fully distributed robust state-estimation (D-RBSE) method that is applicable to multi-area power systems with nonlinear measurements. We extend the recently introduced bilinear formulation of state estimation problems…

系统与控制 · 计算机科学 2015-08-18 Weiye Zheng , Wenchuan Wu , Antonio Gomez-Exposito , Boming Zhang

Blind source separation (BSS) is a natural framework for studying how latent causes may be recovered from sensory mixtures, but deriving online and biologically plausible algorithms for structured (i.e., constrained to known domains) and…

机器学习 · 计算机科学 2026-05-22 Bariscan Bozkurt , Efe Ali Gorguner , Francesco Innocenti , Rafal Bogacz

We consider two areas of research that have been developing in parallel over the last decade: blind source separation (BSS) and electromagnetic source estimation (ESE). BSS deals with the recovery of source signals when only mixtures of…

数据分析、统计与概率 · 物理学 2015-01-22 Kevin H. Knuth , Herbert G. Vaughan

Low voltage distribution networks (LVDNs) suffer from limited visibility due to sparse or nonexistent measurement systems, leaving distribution network service providers with incomplete data. Maintenance activities, such as transformer…

系统与控制 · 电气工程与系统科学 2025-02-27 Sina Mohammadi , Van-Hai Bui , Wencong Su

Electric power grids are essential components of modern life, delivering reliable power to end-users while adhering to a multitude of engineering constraints and requirements. In grid operations, the Optimal Power Flow problem plays a key…

系统与控制 · 电气工程与系统科学 2025-07-29 Mostafa Mohammadian , Anna Van Boven , Kyri Baker

We propose techniques for optimizing transmit beamforming in a full-duplex multiple-input-multiple-output (MIMO) wireless-powered communication system, which consists of two phases. In the first phase, the wireless-powered mobile station…

信息论 · 计算机科学 2017-05-12 Batu K. Chalise , Himal A. Suraweera , Gan Zheng , George K. Karagiannidis

Corrective Transmission Switching can be used by the grid operator to relieve line overloading and voltage violations, improve system reliability, and reduce system losses. Power grid optimization by means of line switching is typically…

系统与控制 · 计算机科学 2018-03-19 Shuai Wang , John Baillieul

This letter proposes an energy efficient distributed worst case robust power allocation in massive multiple input multiple output (MIMO) system. We assume a bounded channel state information (CSI) error and all channels lie in some bounded…

信号处理 · 电气工程与系统科学 2019-01-04 Saeed Sadeghi Vilni

Graph-based representations play a key role in machine learning. The fundamental step in these representations is the association of a graph structure to a dataset. In this paper, we propose a method that aims at finding a block sparse…

信号处理 · 电气工程与系统科学 2019-03-27 Stefania Sardellitti , Sergio Barbarossa , Paolo Di Lorenzo

One of the most important problems in system identification and statistics is how to estimate the unknown parameters of a given model. Optimization methods and specialized procedures, such as Empirical Minimization (EM) can be used in case…

统计方法学 · 统计学 2024-02-09 Braghadeesh Lakshminarayanan , Cristian R. Rojas

Maximum likelihood estimation of energy-based models is a challenging problem due to the intractability of the log-likelihood gradient. In this work, we propose learning both the energy function and an amortized approximate sampling…

机器学习 · 计算机科学 2019-05-29 Rithesh Kumar , Sherjil Ozair , Anirudh Goyal , Aaron Courville , Yoshua Bengio

This work considers Maximum Likelihood Estimation (MLE) of a Toeplitz structured covariance matrix. In this regard, an equivalent reformulation of the MLE problem is introduced and two iterative algorithms are proposed for the optimization…

信号处理 · 电气工程与系统科学 2021-10-26 Augusto Aubry , Prabhu Babu , Antonio De Maio , Rikhabchand Jyothi

The operating status of power systems is influenced by growing varieties of factors, resulting from the developing sizes and complexity of power systems; in this situation, the modelbased methods need be revisited. A data-driven method, as…

统计方法学 · 统计学 2016-07-07 Xinyi Xu , Xing He , Qian Ai , Robert C. Qiu

In recent advances in solving the problem of transmission network expansion planning, the use of robust optimization techniques has been put forward, as an alternative to stochastic mathematical programming methods, to make the problem…

计算工程、金融与科学 · 计算机科学 2016-09-28 Roberto Minguez , Raquel Garcia-Bertrand

The goal of the state estimation (SE) algorithm is to estimate complex bus voltages as state variables based on the available set of measurements in the power system. Because phasor measurement units (PMUs) are increasingly being used in…

机器学习 · 计算机科学 2023-02-02 Ognjen Kundacina , Mirsad Cosovic , Dejan Vukobratovic

One of the main unsolved problems of cosmology is how to maximize the extraction of information from nonlinear data. If the data are nonlinear the usual approach is to employ a sequence of statistics (N-point statistics, counting statistics…

宇宙学与河外天体物理 · 物理学 2018-03-07 Uros Seljak , Grigor Aslanyan , Yu Feng , Chirag Modi
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