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Distributed state estimation (DSE) is considered as a more robust and reliable alternative for centralized state estimation (CSE) in power system. Especially, taking into account the future power grid, so called smart grid in which…

系统与控制 · 电气工程与系统科学 2021-04-12 Sajjad Asefi , Elena Gryazina , Helder Leite

This paper introduces a theory for assessing and optimizing the multiple-input-multiple-output performance of multi-port cluster antennas in terms of efficiency, channel correlation, and power distribution. A method based on a convex…

信息论 · 计算机科学 2023-12-25 Vojtech Neuman , Miloslav Capek , Lukas Jelinek , Anu Lehtovuori , Ville Viikari

Federated learning (FL), as an emerging collaborative learning paradigm, has garnered significant attention due to its capacity to preserve privacy within distributed learning systems. In these systems, clients collaboratively train a…

机器学习 · 计算机科学 2024-05-29 Xi Zhu , Songcan Yu , Junbo Wang , Qinglin Yang

Intentional controlled islanding (ICI) is a final resort for preventing a cascading failure and catastrophic power system blackouts. This paper proposes a controlled islanding algorithm that uses spectral clustering over multi-layer graphs…

信号处理 · 电气工程与系统科学 2019-06-11 Faycal Znidi , Hamzeh Davarikia , Kamran Iqbal , Masoud Barati

In multiple federated learning schemes, a random subset of clients sends in each round their model updates to the server for aggregation. Although this client selection strategy aims to reduce communication overhead, it remains energy and…

分布式、并行与集群计算 · 计算机科学 2024-03-13 Fernanda Famá , Charalampos Kalalas , Sandra Lagen , Paolo Dini

Real-world networks often come with side information that can help to improve the performance of network analysis tasks such as clustering. Despite a large number of empirical and theoretical studies conducted on network clustering methods…

机器学习 · 统计学 2022-07-29 Guillaume Braun , Hemant Tyagi , Christophe Biernacki

Clustering in wireless sensor networks is one of the crucial methods for increasing of network lifetime. There are many algorithms for clustering. One of the important cluster based algorithm in wireless sensor networks is LEACH algorithm.…

其他计算机科学 · 计算机科学 2010-03-09 Shahram Babaie , Ahmad Khadem Zade , Ali Hosseinalipour

In the cell-free massive multiple-input multiple-output (CF mMIMO) system, the centralized transmission scheme is widely adopted to manage the inter-user interference. Unfortunately, its implementation is limited by the extensive signaling…

信号处理 · 电气工程与系统科学 2022-08-02 Hongkang Yu , Xinquan Ye , Yijian Chen

Resource allocation is a fundamental task in cell-free (CF) massive multi-input multi-output (MIMO) systems, which can effectively improve the network performance. In this paper, we study the downlink of CF MIMO networks with network…

信息论 · 计算机科学 2023-12-22 S. Mashdour , A. Schmeink , R. C. de Lamare , J. P. Sales

Federated Learning (FL) has emerged as a transformative approach for enabling distributed machine learning while preserving user privacy, yet it faces challenges like communication inefficiencies and reliance on centralized infrastructures,…

分布式、并行与集群计算 · 计算机科学 2024-07-29 Sai Puppala , Ismail Hossain , Md Jahangir Alam , Sajedul Talukder , Zahidur Talukder , Syed Bahauddin

Performing analytic of household load curves (LCs) has significant value in predicting individual electricity consumption patterns, and hence facilitate developing demand-response strategy, and finally achieve energy efficiency improvement…

数据结构与算法 · 计算机科学 2018-11-27 Yunyou Huang , Jianfeng Zhan , Nana Wang , Chunjie Luo , Lei Wang , Rui Ren

Fast and accurate optimization and simulation is widely becoming a necessity for large scale transmission resiliency and planning studies such as N-1 SCOPF, batch contingency solvers, and stochastic power flow. Current commercial tools,…

系统与控制 · 电气工程与系统科学 2021-03-30 Aayushya Agarwal , Amritanshu Pandey , Larry Pileggi

Identifying future congestion points in electricity distribution networks is an important challenge distribution system operators face. A proven approach for addressing this challenge is to assess distribution grid adequacy using…

系统与控制 · 电气工程与系统科学 2022-07-12 Julian N. Betge , Barbera Droste , Jacco Heres , Simon H. Tindemans

In this paper we present a novel iterative multiphase clustering technique for efficiently clustering high dimensional data points. For this purpose we implement clustering feature (CF) tree on a real data set and a Gaussian density…

机器学习 · 计算机科学 2014-11-13 Chandrima Sarkar , Atanu Roy

We use a power grid model with $M$ generators and $N$ consumption units to optimize the grid and its control. Each consumer demand is drawn from a predefined finite-size-support distribution, thus simulating the instantaneous load…

统计力学 · 物理学 2009-10-21 Lenka Zdeborová , Aurélien Decelle , Michael Chertkov

Given a network, allocating resources at clusters level, rather than at each node, enhances efficiency in resource allocation and usage. In this paper, we study the problem of finding fully connected disjoint clusters to minimize the…

机器学习 · 计算机科学 2024-02-16 Benedikt Schesch , Marco Caserta

Monte Carlo simulations are one of the major tools in statistical physics, complex system science, and other fields, and an increasing number of these simulations is run on distributed systems like clusters or grids. This raises the issue…

其他凝聚态物理 · 物理学 2007-07-03 Heiko Bauke , Stephan Mertens

Spectral clustering is one of the most popular clustering methods. However, the high computational cost due to the involved eigen-decomposition procedure can immediately hinder its applications in large-scale tasks. In this paper we use…

机器学习 · 计算机科学 2023-01-24 Yongyu Wang

Clustering is a powerful machine learning technique that groups "similar" data points based on their characteristics. Many clustering algorithms work by approximating the minimization of an objective function, namely the sum of…

量子物理 · 物理学 2018-01-29 Vaibhaw Kumar , Gideon Bass , Casey Tomlin , Joseph Dulny

This paper proposes a new strategy for optimal grid frequency regulation (FR) in an interconnected power system where regional ac grids and an offshore wind farm are linked via a multi-terminal high voltage direct-current (MTDC) network. In…

系统与控制 · 电气工程与系统科学 2021-12-10 Young-Jin Kim