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We explore the use of policy gradient methods in reinforcement learning for quantum control via energy landscape shaping of XX-Heisenberg spin chains in a model agnostic fashion. Their performance is compared to finding controllers using…

量子物理 · 物理学 2022-07-19 I. Khalid , C. A. Weidner , E. A. Jonckheere , S. G. Schirmer , F. C. Langbein

In the monitoring of a complex electric grid, it is of paramount importance to provide operators with early warnings of anomalies detected on the network, along with a precise classification and diagnosis of the specific fault type. In this…

机器学习 · 计算机科学 2019-03-18 Sanjeev Raja , Ernest Fokoué

In industry 4.0, predictive maintenance(PM) is one of the most important applications pertaining to the Internet of Things(IoT). Machine learning is used to predict the possible failure of a machine before the actual event occurs. However,…

信号处理 · 电气工程与系统科学 2018-11-05 Sumon Kumar Bose , Bapi Kar , Mohendra Roy , Pradeep Kumar Gopalakrishnan , Arindam Basu

We analyze the data-dependent capacity of neural networks and assess anomalies in inputs from the perspective of networks during inference. The notion of data-dependent capacity allows for analyzing the knowledge base of a model populated…

机器学习 · 计算机科学 2023-04-13 Jinsol Lee , Charlie Lehman , Mohit Prabhushankar , Ghassan AlRegib

Anomaly detection is a key task across domains such as industry, healthcare, and cybersecurity. Many real-world anomaly detection problems involve analyzing multiple features over time, making time series analysis a natural approach for…

机器学习 · 计算机科学 2025-10-09 Iago Xabier Vázquez , Javier Sedano , Muhammad Afzal , Ángel Miguel García-Vico

A common problem in training neural networks is the vanishing and/or exploding gradient problem which is more prominently seen in training of Recurrent Neural Networks (RNNs). Thus several algorithms have been proposed for training RNNs.…

机器学习 · 计算机科学 2019-09-10 S. Indrapriyadarsini , Shahrzad Mahboubi , Hiroshi Ninomiya , Hideki Asai

Deep neural networks tend to make overconfident predictions and often require additional detectors for misclassifications, particularly for safety-critical applications. Existing detection methods usually only focus on adversarial attacks…

机器学习 · 计算机科学 2023-07-07 Julia Lust , Alexandru P. Condurache

Traditionally power distribution networks are either not observable or only partially observable. This complicates development and implementation of new smart grid technologies, such as those related to demand response, outage detection and…

最优化与控制 · 数学 2015-03-02 Deepjyoti Deka , Scott Backhaus , Michael Chertkov

Training in supervised deep learning is computationally demanding, and the convergence behavior is usually not fully understood. We introduce and study a second-order stochastic quasi-Gauss-Newton (SQGN) optimization method that combines…

机器学习 · 计算机科学 2020-07-02 Christopher Thiele , Mauricio Araya-Polo , Detlef Hohl

The aim of this paper is to propose a new approach for the pattern recognition of power quality (PQ) disturbances based on Empirical mode decomposition (EMD) and $k$ Nearest Neighbor ($k$-NN) classifier. Since EMD decomposes a signal into…

信号处理 · 电气工程与系统科学 2019-08-16 Faeza Hafiz , Celia Shahnaz

The problem of effective use of Phasor Measurement Units (PMUs) to enhance power systems awareness and security is a topic of key interest. The central question to solve is how to use this new measurements to reconstruct the state of the…

系统与控制 · 电气工程与系统科学 2020-04-16 Alexey Bobtsov , Romeo Ortega , Nikolay Nikolaev , Johannes Schiffer , M. Nicolai L. Lorenz-Meyer

Power domination is a graph theoretic model which captures how phasor measurement units (PMUs) can be used to monitor a power grid. Fragile power domination takes into account the fact that PMUs may break or otherwise fail. In this model,…

组合数学 · 数学 2025-07-22 Beth Bjorkman , Sean English , Johnathan Koch , Amanda Verga

We address the problem of quantum reinforcement learning (QRL) under model-free settings with quantum oracle access to the Markov Decision Process (MDP). This paper introduces a Quantum Natural Policy Gradient (QNPG) algorithm, which…

量子物理 · 物理学 2025-07-02 Yang Xu , Vaneet Aggarwal

Anomaly detection is a vital technique for exploring signatures of new physics Beyond the Standard Model (BSM) at the Large Hadron Collider (LHC). The vast number of collisions generated by the LHC demands sophisticated deep learning…

高能物理 - 唯象学 · 物理学 2024-11-18 A. Hammad , Mihoko M. Nojiri , Masahito Yamazaki

In an era where data underpins decision-making across science, politics, and economics, ensuring high data quality is of paramount importance. Conventional computing algorithms for enhancing data quality, including anomaly detection, demand…

量子物理 · 物理学 2025-12-02 Sven Groppe , Valter Uotila , Jinghua Groppe

This paper proposes simple moment based spectrum sensing algorithm for cognitive radio networks in a flat fading channel. It is assumed that the transmitted signal samples are binary (quadrature) phase-shift keying BPSK (QPSK), Mary…

应用统计 · 统计学 2013-11-26 Tadilo Endeshaw Bogale , Luc Vandendorpe

Analog computing hardwares, such as Processing-in-memory (PIM) accelerators, have gradually received more attention for accelerating the neural network computations. However, PIM accelerators often suffer from intrinsic noise in the…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Li-Huang Tsai , Shih-Chieh Chang , Yu-Ting Chen , Jia-Yu Pan , Wei Wei , Da-Cheng Juan

In standard generative deep learning models, such as autoencoders or GANs, the size of the parameter set is proportional to the complexity of the generated data distribution. A significant challenge is to deploy resource-hungry deep…

机器学习 · 计算机科学 2021-10-29 Shreshth Tuli , Shikhar Tuli , Giuliano Casale , Nicholas R. Jennings

In this paper, in an attempt to improve power grid resilience, a machine learning model is proposed to predictively estimate the component states in response to extreme events. The proposed model is based on a multi-dimensional Support…

系统与控制 · 计算机科学 2018-02-19 Rozhin Eskandarpour , Amin Khodaei , Ali Arab

This work examines the problem of graph learning over a diffusion network when data can be collected from a limited portion of the network (partial observability). The main question is to establish technical guarantees of consistent…

统计理论 · 数学 2020-06-08 Vincenzo Matta , Augusto Santos , Ali H. Sayed