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Implementing Decentralized Gradient Descent (DGD) in wireless systems is challenging due to noise, fading, and limited bandwidth, necessitating topology awareness, transmission scheduling, and the acquisition of channel state information…

信号处理 · 电气工程与系统科学 2024-09-13 Nicolo' Michelusi

This paper proposes a novel approach for detecting the topology of distribution networks based on the analysis of time series measurements. The time-based analysis approach draws on data from high-precision phasor measurement units (PMUs or…

系统与控制 · 计算机科学 2015-04-23 Guido Cavraro , Reza Arghandeh , Alexandra von Meier

Deep learning methods have shown promising performance in fault diagnosis for multimode process. Most existing studies assume that the collected health state categories from different operating modes are identical. However, in real…

机器学习 · 计算机科学 2025-10-30 Guangqiang Li , M. Amine Atoui , Xiangshun Li

We develop a fast phase retrieval method which can utilize a large class of local phaseless correlation-based measurements in order to recover a given signal ${\bf x} \in \mathbb{C}^d$ (up to an unknown global phase) in near-linear…

数值分析 · 数学 2016-07-12 Mark Iwen , Aditya Viswanathan , Yang Wang

The aim of this paper is to analyze a class of consensus algorithms with finite-time or fixed-time convergence for dynamic networks formed by agents with first-order dynamics. In particular, in the analyzed class a single evaluation of a…

In this paper, Decentralized Periodic Approach for Adaptive Fault Diagnosis (DP-AFD) algorithm is proposed for fault diagnosis in distributed systems with arbitrary topology. Faulty nodes may be either unresponsive, may have either software…

分布式、并行与集群计算 · 计算机科学 2018-12-20 Latika Sarna , Sumedha Shenolikar , Poorva Kulkarni , Varsha Deshpande , Supriya Kelkar

This paper presents a modification of the data-driven sensor-based fault detection and diagnosis (SFDD) algorithm for online robot monitoring. Our version of the algorithm uses a collection of generative models, in particular restricted…

机器人学 · 计算机科学 2023-11-27 Alex Mitrevski , Paul G. Plöger

Compressive Sensing has been utilized in Cognitive Radio Networks (CRNs) to exploit the sparse nature of the occupation of the primary users. Also, distributed spectrum sensing has been proposed to tackle the wireless channel problems, like…

信息论 · 计算机科学 2016-06-14 Mohamed Seif , Tamer Elbatt , Karim G. Seddik

Phase retrieval in dynamical sampling is a novel research direction, where an unknown signal has to be recovered from the phaseless measurements with respect to a dynamical frame, i.e. a sequence of sampling vectors constructed by the…

数值分析 · 数学 2021-03-19 Robert Beinert , Marzieh Hasannasab

We consider a power-constrained sensor network, consisting of multiple sensor nodes and a fusion center (FC), that is deployed for the purpose of estimating a common random parameter of interest. In contrast to the distributed framework,…

信息论 · 计算机科学 2012-05-16 Swarnendu Kar , Pramod K. Varshney

Distributed change-point detection has been a fundamental problem when performing real-time monitoring using sensor-networks. We propose a distributed detection algorithm, where each sensor only exchanges CUSUM statistic with their…

信号处理 · 电气工程与系统科学 2019-01-09 Qinghua Liu , Rui Zhang , Yao Xie

We present an improvement of the phase distance correlation (PDC) periodogram to account for uncertainties in the time-series data. The PDC periodogram introduced in our previous papers is based on the statistical concept of distance…

天体物理仪器与方法 · 物理学 2024-06-19 Avraham Binnenfeld , Sahar Shahaf , Shay Zucker

The convergence behavior of Stochastic Gradient Descent (SGD) crucially depends on the stepsize configuration. When using a constant stepsize, the SGD iterates form a Markov chain, enjoying fast convergence during the initial transient…

机器学习 · 计算机科学 2024-12-17 Xiang Li , Qiaomin Xie

Dynamic networks are interconnected dynamic systems with measured node signals and dynamic modules reflecting the links between the nodes. We address the problem of \red{identifying a dynamic network with known topology, on the basis of…

系统与控制 · 计算机科学 2018-10-02 Harm H. M. Weerts , Paul M. J. Van den Hof , Arne G. Dankers

Network-based Global Navigation Satellite Systems (GNSS) underpin critical infrastructure and autonomous systems, yet typically rely on centralized processing hubs that limit scalability, resilience, and latency. Here we report a…

信号处理 · 电气工程与系统科学 2025-12-24 Xue Xian Zheng , Xing Liu , Tareq Y. Al-Naffouri

Deep Neural Networks (DNNs) are increasingly used in control applications due to their powerful function approximation capabilities. However, many existing formulations focus primarily on tracking error convergence, often neglecting the…

系统与控制 · 电气工程与系统科学 2025-05-19 Rebecca G. Hart , Omkar Sudhir Patil , Zachary I. Bell , Warren E. Dixon

Accurate estimates of network parameters are essential for modeling, monitoring, and control in power distribution systems. In this paper, we develop a physics-informed graphical learning algorithm to estimate network parameters of…

机器学习 · 计算机科学 2021-02-19 Wenyu Wang , Nanpeng Yu

Coherent beam combination of multiple fibres can be used to overcome limitations such as the power handling capability of single fibre configurations. In such a scheme, the focal intensity profile is critically dependent upon the relative…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Ben Mills , James A. Grant-Jacob , Matthew Praeger , Robert. W. Eason , Johan Nilsson , Michalis N. Zervas

A distributed sensing protocol uses a network of local sensing nodes to estimate a global feature of the network, such as a weighted average of locally detectable parameters. In the noiseless case, continuous-variable multipartite…

量子物理 · 物理学 2020-02-28 Quntao Zhuang , John Preskill , Liang Jiang

In the presence of large sets of labeled data, Deep Learning (DL) has accomplished extraordinary triumphs in the avenue of computer vision, particularly in object classification and recognition tasks. However, DL cannot always perform well…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan