Research progress on oil-immersed transformer mechanical condition identification based on vibration signals

YT Sun, HZ Ma - Renewable and Sustainable Energy Reviews, 2024 - Elsevier
In recent years, vibration signals have been widely applied for the identification of
mechanical states in oil-immersed transformers. This paper, following the framework of …

Rotor angle stability of a microgrid generator through polynomial approximation based on RFID data collection and deep learning

W Khan, MZ Yousaf, AR Singh, S Khalid, M Bajaj… - Scientific Reports, 2024 - nature.com
The article proposes a novel approach to assess rotor angle stability in microgrids by
enhancing the Modified Galerkin Method (MGM), which is based on the Polynomial …

The Sustainability Concept: A Review Focusing on Energy

RN Muniz, CT da Costa Júnior, WG Buratto, A Nied… - Sustainability, 2023 - mdpi.com
The concept of sustainability, with a focus on energy, has emerged as a central tenet in
addressing the mounting global challenges of environmental degradation and resource …

Enhancing wind speed forecasting through synergy of machine learning, singular spectral analysis, and variational mode decomposition

SR Moreno, LO Seman, SF Stefenon… - Energy, 2024 - Elsevier
Due to technological advancements, wind energy has emerged as a prominent renewable
power source. However, the intermittent nature of wind poses challenges in accurately …

Video-based human activity recognition using deep learning approaches

GAS Surek, LO Seman, SF Stefenon, VC Mariani… - Sensors, 2023 - mdpi.com
Due to its capacity to gather vast, high-level data about human activity from wearable or
stationary sensors, human activity recognition substantially impacts people's day-to-day …

Group method of data handling using Christiano–Fitzgerald random walk filter for insulator fault prediction

SF Stefenon, LO Seman, NF Sopelsa Neto, LH Meyer… - Sensors, 2023 - mdpi.com
Disruptive failures threaten the reliability of electric supply in power branches, often
indicated by the rise of leakage current in distribution insulators. This paper presents a …

Evaluation of visible contamination on power grid insulators using convolutional neural networks

MP Corso, SF Stefenon, G Singh, MV Matsuo… - Electrical …, 2023 - Springer
The contamination of insulators increases their surface conductivity, resulting in a higher
chance of shutdowns occurring. To measure contamination, equivalent salt deposit density …

On-machine inspection and compensation for thin-walled parts with sculptured surface considering cutting vibration and probe posture

Y Hao, L Zhu, S Qin, X Pei, T Yan, Q Qin… - … Journal of Extreme …, 2024 - iopscience.iop.org
On-machine inspection has a significant impact on improving high-precision and efficient
machining of sculptured surfaces. Due to the lack of machining information and the inability …

Hypertuned wavelet convolutional neural network with long short-term memory for time series forecasting in hydroelectric power plants

SF Stefenon, LO Seman, EC da Silva, EC Finardi… - Energy, 2024 - Elsevier
Energy planning in Brazil is based on assessing the availability of hydrological resources in
the future, thus guaranteeing the supply of energy based on hydroelectric generation …

[HTML][HTML] Hypertuned temporal fusion transformer for multi-horizon time series forecasting of dam level in hydroelectric power plants

SF Stefenon, LO Seman, LSA da Silva… - International Journal of …, 2024 - Elsevier
This paper addresses the challenge of predicting dam level rise in hydroelectric power
plants during floods and proposes a solution using an automatic hyperparameters tuning …