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Fault diagnostics and prognostics are important topics both in practice and research. There is an intense pressure on industrial plants to continue reducing unscheduled downtime, performance degradation, and safety hazards, which requires…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Amin Khorram , Mohammad Khalooei , Mansoor Rezghi

The Monte Carlo dropout method has proved to be a scalable and easy-to-use approach for estimating the uncertainty of deep neural network predictions. This approach was recently applied to Fault Detection and Di-agnosis (FDD) applications…

Machine Learning · Computer Science 2019-09-11 Baihong Jin , Yingshui Tan , Yuxin Chen , Alberto Sangiovanni-Vincentelli

In multi-task learning (MTL) for visual scene understanding, it is crucial to transfer useful information between multiple tasks with minimal interferences. In this paper, we propose a novel architecture that effectively transfers…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Sunkyung Kim , Hyesong Choi , Dongbo Min

Fault detection and diagnosis of electrical motors are of utmost importance in ensuring the safe and reliable operation of several industrial systems. Detection and diagnosis of faults at the incipient stage allows corrective actions to be…

Systems and Control · Electrical Eng. & Systems 2023-11-28 Sriram Anbalagan , Sai Shashank GP , Deepesh Agarwal , Balasubramaniam Natarajan , Babji Srinivasan

The task of clustering unlabeled time series and sequences entails a particular set of challenges, namely to adequately model temporal relations and variable sequence lengths. If these challenges are not properly handled, the resulting…

Machine Learning · Statistics 2019-02-19 Daniel J. Trosten , Andreas S. Strauman , Michael Kampffmeyer , Robert Jenssen

To reduce operation-and-maintenance expenses (OPEX) and to ensure optical network survivability, optical network operators need to detect and diagnose faults in a timely manner and with high accuracy. With the rapid advancement of telemetry…

Networking and Internet Architecture · Computer Science 2022-04-15 Khouloud Abdelli , Helmut Griesser , Peter Ehrle , Carsten Tropschug , Stephan Pachnicke

Increased adoption and deployment of phasor measurement units (PMU) has provided valuable fine-grained data over the grid. Analysis over these data can provide insight into the health of the grid, thereby improving control over operations.…

Databases · Computer Science 2016-05-26 Ben McCamish , Rich Meier , Jordan Landford , Robert Bass , Eduardo Cotilla-Sanchez , David Chiu

High-fidelity measurements are important for the physical implementation of quantum information protocols. Current methods for classifying measurement trajectories in superconducting qubit systems produce fidelities that are systematically…

Quantum Physics · Physics 2015-05-27 Easwar Magesan , Jay M. Gambetta , A. D. Córcoles , Jerry M. Chow

Smart grids extremely rely on Information and Communications Technology (ICT) and smart meters to control and manage numerous parameters of the network. However, using these infrastructures make smart grids more vulnerable to cyber threats…

Machine Learning · Computer Science 2021-02-12 Hossein Mohammadi Rouzbahani , Hadis Karimipour , Lei Lei

In recent years, researchers pay growing attention to the few-shot learning (FSL) task to address the data-scarce problem. A standard FSL framework is composed of two components: i) Pre-train. Employ the base data to generate a CNN-based…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shuai Shao , Lei Xing , Rui Xu , Weifeng Liu , Yan-Jiang Wang , Bao-Di Liu

Electricity load forecasting enables the grid operators to optimally implement the smart grid's most essential features such as demand response and energy efficiency. Electricity demand profiles can vary drastically from one region to…

Machine Learning · Computer Science 2023-05-15 Abdul Wahab , Muhammad Anas Tahir , Naveed Iqbal , Faisal Shafait , Syed Muhammad Raza Kazmi

The recent introduction of synchrophasor technology into power distribution systems has given impetus to various monitoring, diagnostic, and control applications, such as system identification and event detection, which are crucial for…

Systems and Control · Computer Science 2020-09-17 Omid Ardakanian , Ye Yuan , Roel Dobbe , Alexandra von Meier , Steven Low , Claire Tomlin

A deep learning approach is proposed to detect data and system anomalies using high-resolution continuous point-on-wave (CPOW) or phasor measurements. Both the anomaly and anomaly-free measurement models are assumed to have unknown temporal…

Systems and Control · Electrical Eng. & Systems 2021-06-24 Kursat Rasim Mestav , Xinyi Wang , Lang Tong

This work is devoted to the development of a distributionally robust active fault diagnosis approach for a class of nonlinear systems, which takes into account any ambiguity in distribution information of the uncertain model parameters.…

Optimization and Control · Mathematics 2021-08-12 Ioannis Tzortzis , Marios M. Polycarpou

Today's evolving power system contains an increasing amount of power electronic interfaced energy sources and loads that require a paradigm shift in utility operations. Sub-synchronous oscillations at frequencies around 13-15 Hz, for…

Signal Processing · Electrical Eng. & Systems 2020-12-23 Mohammed-Ilies Ayachi , Luigi Vanfretti , Shehab Ahmed

Channel estimation is one of the key issues in practical massive multiple-input multiple-output (MIMO) systems. Compared with conventional estimation algorithms, deep learning (DL) based ones have exhibited great potential in terms of…

Information Theory · Computer Science 2021-08-24 Jiabao Gao , Mu Hu , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

The outage of a transmission line may change the system phase angle differences to the point that the system experience stress conditions. Hence, the angle differences for post-contingency condition of a transmission lines should be…

Signal Processing · Electrical Eng. & Systems 2019-10-22 Elham Foruzan , Sajjad Abedi , Jeremy Lin , Sohrab Asgarpoor , Emanuel Bernabeu

There is a need to build intelligence in operating machinery and use data analysis on monitored signals in order to quantify the health of the operating system and self-diagnose any initiations of fault. Built-in control procedures can…

Signal Processing · Electrical Eng. & Systems 2020-06-18 G. Zhang , A. R. Singer , N. Vlahopoulos

Despite the recent success in data-driven fault diagnosis of rotating machines, there are still remaining challenges in this field. Among the issues to be addressed, is the lack of information about variety of faults the system may…

Machine Learning · Computer Science 2023-09-25 Mahdi Abdollah Chalaki , Daniyal Maroufi , Mahdi Robati , Mohammad Javad Karimi , Ali Sadighi

This paper proposes an accurate fault location algorithm technique based on hybrid synchronized sparse voltage and sparse current phasor measurements. The proposed algorithm addresses the performance limitation of fault location algorithms…

Signal Processing · Electrical Eng. & Systems 2019-07-01 Adil Khan , Abdul Qayyum Khan , Muhammad Sarwar , Muhammad Abubakar , Naeem Iqbal