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Dirt and Mud Detection and Diagnosis on a Wind Turbine Blade employing Guided Waves and Supervised Learning Classifiers
(Elsevier, 2018)
Dirt and mud on wind turbine blades (WTB) reduce productivity and can generate stops and downtimes. A condition monitoring system based on non-destructive tests by ultrasonic waves was used to analyse it. This paper employs ...
A New Fault Location Approach for Acoustic Emission Techniques in Wind Turbines
(2016-01-12)
The renewable energy industry is undergoing continuous improvement and development worldwide, wind energy being one of the most relevant renewable energies. This industry requires high levels of reliability, availability, ...
Linear and Nonlinear Features and Machine Learning for Wind Turbine Blade Ice Detection and Diagnosis
(Elsevier, 2018-08)
The mass of ice on wind turbines blades is one of the main problems that energy companies have in cold climates. This paper presents a novel approach to detect and classify ice thickness based on pattern recognition through ...
A New Approach for Fault Detection, Location and Diagnosis by Ultrasonic Testing
(MDPI, 2020-03)
Wind turbine blades are constantly submitted to different types of particles such as dirt, ice, etc., as well as all the different environmental parameters that affect the behaviour and efficiency of the energy generation ...
Structural Health Monitoring for Delamination Detection and 1 Location in Wind Turbine Blades employing Guided Waves
(Wiley Online Library, 2019-02-20)
Wind power is becoming one of the most important renewable energies in the world. The reduction in operating and maintenance costs of the wind turbines has been identified as one of the biggest challenges to establish ...
Analysis and Comparison of Macro Fiber Composites and Lead Zirconate Titanate (PZT) Discs for an Energy Harvesting Floor
(MDPI, 2020-08)
The main drawback in many electronic devices is the duration of their batteries. Energy harvesting provides a solution for these low-consumption devices. Piezoelectric energy harvesting use is growing because it collects ...
Inspection and structural health monitoring techniques for concentrated solar power plants
(2016)
Parabolic trough concentrators are the most widely deployed type of solar thermal power plant. The majority of parabolic trough plants operate up to 400 °C. However, recent technological advances involving molten salts ...
Online Fault Detection in Solar Plants Using a Wireless Radiometer in Unmanned Aerial Vehicles
(Springer, 2017-06-29)
A novel Non-Destructive Test (NDT) is presented in this paper. It employs a radiometric sensor that measures the infrared emissivity of the solar panel surface embedded in an unmanned aerial vehicle. The measurements ...
Acoustic emission and signal processing for fault detection and location in composite materials
(Elsevier, 2015-11-01)
The renewable energy industry is in a constant improvement in order to compete and cover any evolving opportunity presented. Nowadays one of those remarkable competitive advantages is focused on maintenance management and ...
Machine Learning and Neural Network for Maintenance Management
(Springer, 2017-06-29)
The paper presents a novel approach that allows to optimize the ultrasonic wave sensors for a condition monitoring system employing. It can detect and diagnosis different faults with a signal, such as delamination, mud or ...