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相关论文: Robust Matrix Completion State Estimation in Distr…

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Accurately monitoring the system's operating point is central to the reliable and economic operation of an electric power grid. Power system state estimation (PSSE) aims to obtain complete voltage magnitude and angle information at each bus…

系统与控制 · 计算机科学 2018-03-14 Gang Wang , Ahmed S. Zamzam , Georgios B. Giannakis , Nicholas D. Sidiropoulos

The recursive least-squares (RLS) algorithm has well-documented merits for reducing complexity and storage requirements, when it comes to online estimation of stationary signals as well as for tracking slowly-varying nonstationary…

网络与互联网体系结构 · 计算机科学 2013-10-01 Gonzalo Mateos , Georgios B. Giannakis

We consider the problem of robust matrix completion, which aims to recover a low rank matrix $L_*$ and a sparse matrix $S_*$ from incomplete observations of their sum $M=L_*+S_*\in\mathbb{R}^{m\times n}$. Algorithmically, the robust matrix…

机器学习 · 统计学 2020-03-25 Yunfeng Cai , Ping Li

Distance estimation is vital for localization and many other applications in wireless sensor networks (WSNs). Particularly, it is desirable to implement distance estimation as well as localization without using specific hardware in low-cost…

信号处理 · 电气工程与系统科学 2018-01-30 Qing Miao , Baoqi Huang , Bing Jia

This paper addresses the joint transceiver design for downlink multiuser multiple-input multiple-output (MIMO) systems, with imperfect channel state information (CSI) at the base station (BS) and mobile stations (MSs). By incorporating…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw Bogale , Batu Krishna Chalise , Luc Vandendorpe

Measurement-rich power distribution networks may enable distribution system operators (DSOs) to adopt model-less and measurement-based monitoring and control of distributed energy resources (DERs) for mitigating grid issues such as…

系统与控制 · 电气工程与系统科学 2022-08-03 Rahul Gupta , Fabrizio Sossan , Mario Paolone

Minimum mean square error (MMSE) signal detection algorithm is near- optimal for uplink multi-user large-scale multiple input multiple output (MIMO) systems, but involves matrix inversion with high complexity. In this letter, we firstly…

信息论 · 计算机科学 2015-07-17 Xinyu Gao , Linglong Dai , Yongkui Ma , Zhaocheng Wang

Distributed vertical power delivery has emerged as a promising approach to meet aggressive current-density, efficiency, and transient response requirements in high-performance computing systems. Tight integration of voltage regulators…

系统与控制 · 电气工程与系统科学 2026-05-26 Sriharini Krishnakumar , Inna Partin-Vaisband

State estimation in power distribution systems is a key component for increased reliability and optimal system performance. Well understood in transmission systems, state estimation is now an area of active research in distribution…

信号处理 · 电气工程与系统科学 2017-12-06 C. Carquex , C. Rosenberg , K. Bhattacharya

In power system steady-state estimation (PSSE), one needs to consider (1) the need for robust statistics, (2) the nonconvex transmission constraints, (3) the fast-varying nature of the inputs, and the corresponding need to track optimal…

Fast and accurate estimation of sensitivity matrices is significant for the enhancement of distribution system modeling and automation. Analytical estimations have mainly focused on voltage magnitude sensitivity to active/reactive power…

系统与控制 · 电气工程与系统科学 2023-04-20 Salish Maharjan , Rui Cheng , Zhaoyu Wang

Precoding design for maximizing weighted sum-rate (WSR) is a fundamental problem for downlink of massive multi-user multiple-input multiple-output (MU-MIMO) systems. It is well-known that this problem is generally NP-hard due to the…

信号处理 · 电气工程与系统科学 2023-03-22 Xiaotong Zhao , Siyuan Lu , Qingjiang Shi , Zhi-Quan Luo

A robust observer for performing power system dynamic state estimation (DSE) of a synchronous generator is proposed. The observer is developed using the concept of $\mathcal{L}_{\infty}$ stability for uncertain, nonlinear dynamic generator…

系统与控制 · 电气工程与系统科学 2020-02-19 Sebastian Nugroho , Ahmad F. Taha , Junjian Qi

In this paper, we present an efficient computational framework with the purpose of generating weighted pseudo-measurements to improve the quality of Distribution System State Estimation (DSSE) and provide observability with Advanced…

系统与控制 · 计算机科学 2019-01-23 Kaveh Dehghanpour , Yuxuan Yuan , Zhaoyu Wang , Fankun Bu

This work presents a distributed method for control centers to monitor the operating condition of a power network, i.e., to estimate the network state, and to ultimately determine the occurrence of threatening situations. State estimation…

最优化与控制 · 数学 2011-07-13 Fabio Pasqualetti , Ruggero Carli , Francesco Bullo

There is a great need for robust techniques in data mining and machine learning contexts where many standard techniques such as principal component analysis and linear discriminant analysis are inherently susceptible to outliers.…

统计方法学 · 统计学 2015-09-28 Garth Tarr , Samuel Müller , Neville C. Weber

Robust matrix completion aims to recover a low-rank matrix from a subset of noisy entries perturbed by complex noises, where traditional methods for matrix completion may perform poorly due to utilizing $l_2$ error norm in optimization. In…

信息论 · 计算机科学 2020-02-19 Yicong He , Fei Wang , Yingsong Li , Jing Qin , Badong Chen

Low-power and cost-effective IoT sensing nodes enable scalable monitoring of different environments. Some of these environments impose rough and extreme operating conditions, requiring continuous adaptation and reconfiguration of physical…

网络与互联网体系结构 · 计算机科学 2025-02-24 Waltenegus Dargie , Christian Poellabauer , Abiy Tasissa

Radio maps enrich radio propagation and spectrum occupancy information, which provides fundamental support for the operation and optimization of wireless communication systems. Traditional radio maps are mainly achieved by extensive manual…

信号处理 · 电气工程与系统科学 2025-02-10 Yao Wang , Xin Wu , Lianming Xu , Na Liu , Li Wang

With the increasing complexity of power systems,accurately identifying critical states (the states corresponding to minimal cut sets) and assessing system reliability have become crucial tasks. In this paper, a mathematical lattice…

系统与控制 · 电气工程与系统科学 2025-10-13 Han Hu , Wenjie Wan , Feiyu Chen , Xiaoyu Liu , Bo Yu , Kequan Zhao