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Effects of the pre-processing algorithms in fault diagnosis of wind turbines
(Elsevier, 2018-12)
Article
Open AccessThe wind sectors pends roughly 2200M€ in repair the wind turbines failures. These failures do not contribute to the goal of reducing greenhouse gases emissions. The 25–35% of the generation costs are operation and maintenance ... -
Wind fleet generator fault detection via SCADA alarms and autoencoders
(Multidisciplinary Digital Publishing Institute, 2020-12)
Article
Open AccessA hybrid health monitoring system for wind turbine generators is introduced. The novelty of this research consists in approaching a 115-wind turbine fleet by using the fusion of multiple sources of information. Analog SCADA ... -
Mantenimiento predictivo de aerogeneradores a partir de datos de datos SCADA
(2019-06)
Article
Open AccessEl mantenimiento predictivo en aerogeneradores es un valor en alza. La extensión de vida es una tendencia clara del sector en la que ya están trabajando operadores como Acciona, Naturgy e Innogy, y ello requiere de un ... -
Feature Selection Algorithms for Wind Turbine Failure Prediction
(2019-01-31)
Article
Open AccessIt is well known that each year the wind sector has profit losses due to wind turbine failures and operation and maintenance costs. Therefore, operations related to these actions are crucial for wind farm operators and ... -
Characterization of ultrafine particles generated in charcoal street grills in the city of Armenia (Colombia). Case study
(Universidad de Ciencias Aplicadas Y Ambientales - UDCA, 2020-10-15)
Article
Open AccessIn Colombia, it is very common to find informal street grills selling charcoal-roasted foods such as “arepas” (corn tortillas), meats, bananas, corn, etc. This informal economy represents the livelihood of many families. ... -
Lithium-ion battery 2nd life used as a stationary energy storage system: Ageing and economic analysis in two real cases
(2020-11-01)
Article
Restricted access - publisher's policyElectric vehicles (EVs) are considered a viable alternative to internal combustion engine vehicles (ICEVs) and as a result of recent advances in battery technologies, sales are increasing year by year. However, recycling ... -
A review of gas-surface interaction models for orbital aerodynamics applications
(2020-11)
Article
Restricted access - publisher's policyRenewed interest in Very Low Earth Orbits (VLEO) - i.e. altitudes below 450 km - has led to an increased demand for accurate environment characterisation and aerodynamic force prediction. While the former requires knowledge ... -
In-orbit aerodynamic coefficient measurements using SOAR (Satellite for Orbital Aerodynamics Research)
(2021-03)
Article
Restricted access - publisher's policyThe Satellite for Orbital Aerodynamics Research (SOAR) is a CubeSat mission, due to be launched in 2021, to investigate the interaction between different materials and the atmospheric flow regime in very low Earth orbits ... -
Creating business models for smart cities: a practical framework
(2020-05-03)
Article
Open AccessSmart cities can use business models to evaluate what value they offer citizens byintegrating ICT into their infrastructure and services. The article introduces the concept of the ‘city business model’ and proposes a ... -
Enhancing occupants' comfort through BIM-based probabilistic approach
(2021-03)
Article
Restricted access - publisher's policyDespite the fact that buildings are designed to meet occupants’ needs, many do not perform as planned, impacting upon both building performance and occupants’ comfort. Analyzing occupants’ comfort based on questionnaire ... -
Análisis de las vibraciones y fluctuaciones de presión en una bomba turbina
(1992-03)
Article
Restricted access - publisher's policyEn este artículo se describe el análisis de las mediciones de presión no estacionaria y vibraciones en una bomba-turbina a fin de identificar el origen de las vibraciones en una estructura próxima a la central. Una excitación ... -
Characterization tests for predicting the mechanical performance of SFRC floors: design considerations
(2021-02)
Article
Open AccessThe paper presents an experimental program carried out to check the load bearing capacity of a steel fibre reinforced concrete (SFRC) floor in northern Italy. The extensive mechanical characterization focused on the ...