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Safety is still one of the major research challenges in reinforcement learning (RL). In this paper, we address the problem of how to avoid safety violations of RL agents during exploration in probabilistic and partially unknown…

机器学习 · 计算机科学 2022-12-06 Martin Tappler , Stefan Pranger , Bettina Könighofer , Edi Muškardin , Roderick Bloem , Kim Larsen

The recently introduced energy-saving extension of the sub-optimal sliding mode control allows for control-off phases during the convergence to second-order equilibrium. This way, it enables for a lower energy consumption compared to the…

系统与控制 · 电气工程与系统科学 2024-09-17 Michael Ruderman

Permanent Magnet Synchronous Motors (PMSMs) are widely employed in high-performance drive systems owing to their high efficiency and power density. However, nonlinear dynamics, parameter uncertainties, and load disturbances complicate their…

系统与控制 · 电气工程与系统科学 2025-12-09 Mubarak Badamasi Aremu , Abdullah Ajasa , Ali Nasir

Hybrid methods have been shown to outperform pure statistical and pure deep learning methods at both forecasting tasks, and at quantifying the uncertainty associated with those forecasts (prediction intervals). One example is Multivariate…

机器学习 · 计算机科学 2022-02-28 Thabang Mathonsi , Terence L van Zyl

Modern power grids are transitioning towards power electronics-dominated grids (PEDG) due to the increasing integration of renewable energy sources and energy storage systems. This shift introduces complexities in grid operation and…

系统与控制 · 电气工程与系统科学 2025-01-24 Ildar N. Idrisov , Divine Okeke , Abdullatif Albaseer , Mohamed Abdallah , Federico M. Ibanez

Spatial modulation (SM) is a promising multiple-input multiple-output system used to increase spectral efficiency. The maximum likelihood (ML) decoder jointly detects the transmitted SM symbol, which is of high complexity. In this paper, a…

信息论 · 计算机科学 2020-06-11 Ibrahim Al-Nahhal , Octavia A. Dobre , Salama Ikki

Modern real-time Structural Health Monitoring systems can generate a considerable amount of information that must be processed and evaluated for detecting early anomalies and generating prompt warnings and alarms about the civil…

网络与互联网体系结构 · 计算机科学 2022-03-11 Amirhossein Moallemi , Alessio Burrello , Davide Brunelli , Luca Benini

Numerical modeling of different structural materials that have highly nonlinear behaviors has always been a challenging problem in engineering disciplines. Experimental data is commonly used to characterize this behavior. This study aims to…

机器学习 · 计算机科学 2020-07-28 Elif Ecem Bas , Denis Aslangil , Mohamed A. Moustafa

The rapidly evolving cloud platforms and the escalating complexity of network traffic demand proper network traffic monitoring and anomaly detection to ensure network security and performance. This paper introduces a large language model…

网络与互联网体系结构 · 计算机科学 2025-04-28 Ze Yang , Yihong Jin , Juntian Liu , Xinhe Xu , Yihan Zhang , Shuyang Ji

Multi-Agent Reinforcement Learning (MARL) discovers policies that maximize reward but do not have safety guarantees during the learning and deployment phases. Although shielding with Linear Temporal Logic (LTL) is a promising formal method…

机器学习 · 计算机科学 2023-04-14 Wenli Xiao , Yiwei Lyu , John Dolan

This thesis addresses the use of Cooperative Intelligent Transport Systems (CITS) to improve road safety and efficiency by enabling vehicle-to-vehicle communication, highlighting the importance of secure and accurate data exchange. To…

机器学习 · 计算机科学 2024-11-12 Marco Franceschini

Wireless networks are vulnerable to jamming attacks due to the shared communication medium, which can severely degrade performance and disrupt services. Despite extensive research, current jamming detection methods often rely on simulated…

网络与互联网体系结构 · 计算机科学 2025-07-16 Ioannis Panitsas , Yagmur Yigit , Leandros Tassiulas , Leandros Maglaras , Berk Canberk

A failure detection system is the first step towards predictive maintenance strategies. A popular data-driven method to detect incipient failures and anomalies is the training of normal behaviour models by applying a machine learning…

机器学习 · 计算机科学 2021-06-21 Iñigo Martinez , Elisabeth Viles , Iñaki Cabrejas

Smart grid data can be evaluated for anomaly detection in numerous fields, including cyber-security, fault detection, electricity theft, etc. The strange anomalous behaviors may have been caused by various reasons, including peculiar…

密码学与安全 · 计算机科学 2023-06-06 Shampa Banik , Sohag Kumar Saha , Trapa Banik , S M Mostaq Hossain

Multi-layer networks arise naturally in various domains including biology, finance and sociology, among others. The multi-layer stochastic block model (multi-layer SBM) is commonly used for community detection in the multi-layer networks.…

统计理论 · 数学 2024-06-18 Wenqing Su , Xiao Guo , Ying Yang

Spectrum monitoring and interference detection are crucial for the satellite service performance and the revenue of SatCom operators. Interference is one of the major causes of service degradation and deficient operational efficiency.…

信号处理 · 电气工程与系统科学 2019-12-11 Lissy Pellaco , Nirankar Singh , Joakim Jaldén

Tunnel boring machine (TBM) is a complex engineering system widely used for tunnel construction. In view of the complicated construction environments, it is necessary to predict geology conditions prior to excavation. In recent years,…

地球物理 · 物理学 2019-10-17 Maolin Shi , Xueguan Song , Wei Sun

Sliding mode control (SMC) is a robust and computationally efficient solution for tracking control problems of highly nonlinear systems with a great deal of uncertainty. High frequency oscillations due to chattering phenomena and…

最优化与控制 · 数学 2017-06-08 Mohammad Reza Amini , Mahdi Shahbakhti , Selina Pan , J. Karl Hedrick

Wireless sensor network (WSN) based SHM systems have shown significant improvement as compared to traditional wired-SHM systems in terms of cost, accuracy, and reliability of the monitoring. However, due to the resource-constrained nature…

信号处理 · 电气工程与系统科学 2020-08-18 Rahul Kumar Verma , K. K. Pattanaik , P. B. R. Dissanayake , A. J. Dammika , H. A. D. Samith Buddika , Mosbeh R. Kaloop

Optimal MIMO detection has been one of the most challenging and computationally inefficient tasks in wireless systems. We show that the new analog computing techniques like Coherent Ising Machines (CIM) are promising candidates for…

网络与互联网体系结构 · 计算机科学 2024-09-06 Abhishek Kumar Singh , Kyle Jamieson , Davide Venturelli , Peter McMahon