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An Ensemble Learning Solution for Predictive Maintenance of Wind Turbines Main Bearing [PDF]
Sensors, 2021 A novel and innovative solution addressing wind turbines’ main bearing failure predictions using SCADA data is presented. This methodology enables to cut setup times and has more flexible requirements when compared to the current predictive algorithms ...
Mattia Beretta +4 more
doaj +2 more sources
Wind Turbine Main Bearing Fault Prognosis Based Solely on SCADA Data [PDF]
Sensors, 2021 As stated by the European Academy of Wind Energy (EAWE), the wind industry has identified main bearing failures as a critical issue in terms of increasing wind turbine reliability and availability.
Ángel Encalada-Dávila +3 more
doaj +2 more sources
Scaling Challenges for Conical Plain Bearings as Wind Turbine Main Bearings
Wind, 2023 Wind energy is an important renewable energy source. Rotor main bearings are critical components of wind turbines since a faulty main bearing leads to downtime and high repair costs. Operational expenditures amount to 32% of wind energy costs. The use of
Jan Euler +5 more
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Contact Load Measurement and Validation for Tapered Rollers in Wind Turbine Main Bearing [PDF]
SensorsAddressing the need for contact load detection in wind turbine main bearings during service, a roller contact load measurement method is proposed. An analytical model characterizes the contact load-to-inner bore strain mapping relationship.
Zhenggang Guo +3 more
doaj +2 more sources
Electrostatic discharge impacts on the main shaft bearings of wind turbines [PDF]
Wind Energy Science, 2023 This paper studies the electrostatic discharge effect in wind turbines, a possible trigger source of the main bearing current. A lab setup with a charge generator and downsized wind turbine was built to verify the impact of electrostatic discharge on the
J. Zhao, X. Xu, O. Carlson
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The main types of ore-bearing structure of Ukraine
Мінеральні ресурси України, 2016 The article is given description of the main tectonic structures in Ukraine, which control the largest allocation of ore and oil-gas regions, it is trans-through unit area of activation units suture zone and their intersection.
L. S. Galetskiy +2 more
doaj +2 more sources
Photonics, 2023 The main bearing of the shield machine has a huge structure and severe service conditions, which are prone to wear and fatigue damage. To improve the anti-wear and anti-fatigue ability of the raceway surface of the shield main bearing, laser ...
Peiyu He +5 more
doaj +1 more source
Improved Ensemble Learning for Wind Turbine Main Bearing Fault Diagnosis
Applied Sciences, 2021 The goal of this paper is to develop, implement, and validate a methodology for wind turbines’ main bearing fault prediction based on an ensemble of an artificial neural network (normality model designed at turbine level) and an isolation forest (anomaly
Mattia Beretta +4 more
doaj +1 more source
Applied Sciences, 2021 Diesel engine anti-shock performance is important for navy ships. The calculation method is a fast and economic way compared to underwater explosion trial in this field.
Liang Chen +4 more
doaj +1 more source
Early Fault Diagnosis Strategy for WT Main Bearings Based on SCADA Data and One-Class SVM
Energies, 2022 To reduce the levelized cost of wind energy, through the reduction in operation and maintenance costs, it is imperative that the wind turbine downtime is reduced through maintenance strategies based on condition monitoring.
Christian Tutivén +4 more
doaj +1 more source