Artículos: Recent submissions
Now showing items 261-280 of 15846
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Application of ensemble machine learning techniques to the diagnosis of the combustion in a gas turbine
(2024-07-15)This paper describes a method based on the combination of several machine learning techniques, working together in an ensemble, with the aim of continuously monitoring the combustion of a gas turbine in a combined cycle ... -
Model-based energy planning: a methodology to choose and combine models to support policy decisions
(2024-08-01)Long-term energy planning is becoming increasingly reliant on mathematical models, which offer quantitative insight to support complex policy decisions. However, the increase in their use has meant the proliferation of ... -
Risk-averse electrolyser sizing in industrial parks: an efficient stochastic-robust approach
(2024-08-01)Hydrogen is called to be one of the most important energy vectors in future energy systems. Nowadays, its use in the industry sector is prominent, finding multiple applications in fertilizer production or oil refining. In ... -
Building and validating a large-scale combined transmission & distribution synthetic electricity system of Texas
(2024-08-01)Distributed energy resources, such as rooftop solar, have rapidly expanded in recent years, given declining costs and the desire to reduce carbon emissions. With more energy resources located in the lower-voltage distribution ... -
Measuring the digitalisation of electricity distribution systems in Europe: towards the smart grid
(2024-08-01)This paper proposes a set of digitalisation indicators focused on measuring the different digital capabilities and infrastructure of electricity distribution systems, as opposed to previous indicators which have mainly ... -
Comparative analysis of surface roughness and plastic deformation of reciprocating instruments after clinical use
(2024-08-02)This study assessed the surface topography and plastic deformation (PD) of new and used contemporary reciprocating instruments. Twenty-six WaveOne Gold (WOG) and EdgeOne Fire (EO) instruments were photographed under ... -
Unveiling the effect of social media communication on urban mobility
(2024-08-02)Conventional methods to understand urban transportation mode choice primarily revolve around assessing the relation costsbenefits among the different mobility alternatives. However, emerging research has emphasized the ... -
Energy management of a microgrid considering nonlinear losses in batteries through Deep Reinforcement Learning
(2024-08-15)The massive deployment of microgrids could play a significant role in achieving decarbonization of the electric sector amid the ongoing energy transition. The effective operation of these microgrids requires an Energy ... -
A novel optimal planning and operation of smart cities by simultaneously considering electric vehicles, photovoltaics, heat pumps, and batteries
(2024-09-01)A smart city (SC) includes different systems that are highly interconnected. Transportation and energy systems are two of the most important ones that must be operated and planned in a coordinated framework. In this paper, ... -
Analyzing the boundaries for TSO-DSO coordination when activating flexibility for DSO´s in networks with an expected significant load increase
(2024-09-01)The Transmission System Operators (TSO) and Distribution System Operators (DSO) coordination literature deals with different coordination schemes or coordination methodologies. However, consumer actions or regular DSO ... -
Analyzing the computational performance of balance constraints in the medium-term unit commitment problem: tightness, compactness, and arduousness
(2024-09-01)Since its beginning, the computational performance of numerical optimization techniques has depended on utilizing efficient mathematical formulations to deal with large-size problems successfully. This fact is manifested ... -
Explaining the solutions of the unit commitment with interpretable machine learning
(2024-09-01)The energy transition needs mathematical models to address the complexity of shifting towards sustainable energy sources. In addition to providing accurate solutions, these models must be explainable and available for ... -
Unlocking flexibility from third-party resources: decoding the interaction between mechanisms for acquiring Distribution System Operator services
(2024-09-01)Purpose of Review This review explores the interaction between mechanisms for acquiring distribution system operator (DSO) services, such as network tariffs, flexible connection agreements, and local markets, considering ... -
An optimal expansion planning of power systems considering cycle-based AC optimal power flow
(2024-09-01)This paper presents a novel mixed-integer linear optimization formulation of the AC network-constrained, cost-based, integrated expansion planning problem. The formulation is used to determine the investment needs per ... -
Enhancing the fire resistance of ablative materials: role of the polymeric matrix and silicon carbide reinforcement
(2024-09-01)The primary characteristic of ablative materials is their fire resistance. This study explored the development of cost-effective ablative materials formed into application-specific shapes by using a polymer matrix reinforced ... -
TulipaProfileFitting.jl: a Julia package for fitting renewable energy time series profiles
(2024-09-01)This paper introduces the TulipaProfileFitting.jl package, a tool developed in Julia to generate renewable energy profiles that fit a given capacity factor of full load hours. It addresses the limitations of naive methods ... -
Robust optimal design of UFLS schemes in Island Power Systems
(2024-09-01)Since settings of conventional underfrequency load shedding (UFLS) schemes cannot be adjusted in real-time, this paper proposes a novel robust optimal design method of the UFLS scheme for an island power system (IPS) that ... -
Design and manufacturing of dielectric resonators via 3D printing of composite polymerceramic filaments
(2024-09-02)Rapid technological advancements in recent years have opened the door to innovative solutions in the field of telecommunications and wireless systems; thus, new materials and manufacturing methods have been explored to ... -
Efficient automatic operation of a metro line: eco-driving design with optimized use of regenerative energy and rolling stock consideration
(2024-09-05)Metropolitan railways are major consumers of energy and are potential targets for the application of energy efficiency techniques. In this article, eco-driving, timetable design and regenerative braking are integrated to ... -
“He flattered me”. A comprehensive look into online grooming risk factors: Merging voices of victims, offenders and experts through in-depth interviews
(2024-09-18)Online grooming is the process by which an adult uses the Internet to initiate a dynamic of sexual persuasion and victimisation through online contact to obtain an encounter or sexual content from a minor. Although there ...