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Graph neural networks have been shown to achieve excellent performance for several crucial tasks in particle physics, such as charged particle tracking, jet tagging, and clustering. An important domain for the application of these networks…

Desirably, the world relies on the devices being compact, as they could drive to the increased functionality of integrated circuits at the provided footstep, that is becoming more reliable. To reduce the scalability over the devices,…

Materials Science · Physics 2024-01-30 Lephe S , Gifrin Fredik Raj S , Abijesh Euphrine A , Janaki S , Jamina C , Arun Jose L

Under-frequency load shedding (UFLS) prevents system collapse during large disturbances. Increased penetration of distributed energy resources (DERs) and reduced system inertia makes it challenging to design a static UFLS scheme, which…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Mazen Elsaadany , Muhammad Hamza Ali , Amritanshu Pandey , Mads R. Almassalkhi

The prompt and accurate detection of faults and abnormalities in electric transmission lines is a critical challenge in smart grid systems. Existing methods mostly rely on model-based approaches, which may not capture all the aspects of…

Machine Learning · Computer Science 2020-09-16 Peyman Tehrani , Marco Levorato

To ensure the proper functioning of the current and future electrical grid, it is necessary for Transmission System Operators (TSOs) to verify that energy providers comply with the grid code and specifications provided by TSOs. A lot of…

Systems and Control · Electrical Eng. & Systems 2024-01-23 Rabah Ouali , Jean-Yves Dieulot , Pascal Yim , Xavier Guillaud , Frédéric Colas , Yang Wu , Heng Wu

Nonlinear state estimation (SE), with the goal of estimating complex bus voltages based on all types of measurements available in the power system, is usually solved using the iterative Gauss-Newton method. The nonlinear SE presents some…

Machine Learning · Computer Science 2022-09-09 Ognjen Kundacina , Mirsad Cosovic , Dragisa Miskovic , Dejan Vukobratovic

Computational Fluid Dynamics (CFD) is a hugely important subject with applications in almost every engineering field, however, fluid simulations are extremely computationally and memory demanding. Towards this end, we present Lat-Net, a…

Machine Learning · Statistics 2017-05-26 Oliver Hennigh

Federated learning (FL) is a distributed machine learning paradigm that enables multiple clients to train a shared model collaboratively while preserving privacy. However, the scaling of real-world FL systems is often limited by two…

Machine Learning · Computer Science 2024-12-31 Xinyi Hu

Distribution system state estimation (DSSE) is an essential tool for operation of distribution networks, the results of which enables the operator to have a thorough observation of the system. Thus, most distribution management systems…

Systems and Control · Computer Science 2015-04-15 Vahid Rasouli Disfani , Mohammad Chehreghani Bozchalui , Ratnesh Sharma

As phasor measurement units (PMUs) become more widely used in transmission power systems, a fast state estimation (SE) algorithm that can take advantage of their high sample rates is needed. To accomplish this, we present a method that uses…

Machine Learning · Computer Science 2026-03-09 Ognjen Kundacina , Mirsad Cosovic , Dragisa Miskovic , Dejan Vukobratovic

The detection and classification of power quality disturbances (PQDs) carries significant importance for power systems. In response to this imperative, numerous intelligent diagnostic methods have been developed. However, existing…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Su Pan , Xingyang Nie , Xiaoyu Zhai , Biao Wang , Huilin Ge , Cheng He , Zhenping Ding

The deployment of Large Language Models (LLMs) faces a critical bottleneck when handling lengthy inputs: the prohibitive memory footprint of the Key Value (KV) cache. To address this bottleneck, the token pruning paradigm leverages…

Computation and Language · Computer Science 2026-03-03 Yifei Wang , Yueqi Wang , Zhenrui Yue , Huimin Zeng , Yong Wang , Ismini Lourentzou , Zhengzhong Tu , Xiangxiang Chu , Julian McAuley

Certain instrumental effects and data reduction anomalies introduce systematic errors in photometric time-series. Detrending algorithms such as the Trend Filtering Algorithm (TFA) (Kov\'{a}cs et al. 2004) have played a key role in…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 D. del Ser , O. Fors , J. Núñez , H. Voss , A. Rosich , V. Kouprianov

The frequency-weighted model order reduction techniques are used to find a lower-order approximation of the high-order system that exhibits high-fidelity within the frequency region emphasized by the frequency weights. In this paper, we…

Systems and Control · Electrical Eng. & Systems 2020-11-20 Umair Zulfiqar , Victor Sreeram , Mian Ilyas Ahmad , Xin Du

Frequency response functions (FRFs) are important for assessing the behavior of stochastic linear dynamic systems. For large systems, their evaluations are time-consuming even for a single simulation. In such cases, uncertainty…

Computation · Statistics 2017-03-23 V. Yaghoubi , S. Marelli , B. Sudret , T. Abrahamsson

Wide Area Measurement Systems (WAMS) can guide system operators' to increase their situational awareness by expanding observability of their supervise area and adjoining systems. Power system oscillations in the electrical grid are a matter…

Systems and Control · Electrical Eng. & Systems 2024-08-29 Makarand Sudhakar Ballal

The large-scale integration of inverter-interfaced renewable energy sources presents significant challenges to maintaining power balance and nominal frequency in modern power systems. This paper studies grid-level coordinated control of…

Systems and Control · Electrical Eng. & Systems 2026-05-05 Xiaoyang Wang , Xin Chen

In this paper, we develop a physics-informed deep operator learning framework for solving multi-term time-fractional mixed diffusion-wave equations (TFMDWEs). We begin by deriving an $L_2$ approximation, which achieves first-order accuracy…

Numerical Analysis · Mathematics 2026-05-19 Binghang Lu , Zhaopeng Hao , Christian Moya , Guang Lin

Depth super-resolution (DSR) aims to restore high-resolution (HR) depth from low-resolution (LR) one, where RGB image is often used to promote this task. Recent image guided DSR approaches mainly focus on spatial domain to rebuild depth…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Zhengxue Wang , Zhiqiang Yan , Jian Yang

Time-frequency representations are important for the analysis of time series. We have developed an online time-series analysis system and equipped it to reliably handle re-alignment in the time-frequency plane. The system can deal with…

Sound · Computer Science 2017-05-18 Coen Jonker , Arryon D. Tijsma , Ronald A. J. van Elburg
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