Artículos: Envíos recientes
Mostrando ítems 2161-2180 de 17739
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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
(2025-08-03)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 ... -
¿Quién comparte fake news? Consumo y distribución de información entre adolescentes y su relación con el discurso de odio
(2024-09-30)Los jóvenes son especialmente vulnerables a las fake news, ya que tienden a informarse principalmente a través de las redes sociales. Además, gran parte del contenido de estas noticias falsas incluye mensajes de odio y, ... -
A hybrid particle swarm optimization approach for explicit flexibility procurement in distribution network planning
(2024-10-01)Flexibility services enable distribution system operators to actively manage the grid for accommodating demand and generation growth while potentially reducing or delaying investments in grid reinforcements. This paper ... -
A security-aware dynamic hosting capacity approach to enhance the integration of renewable generation in distribution networks
(2024-10-01)Hosting capacity (HC) describes the electricity network’s ability to accommodate distributed generation (DG) without deteriorating electrical performance indicators. Distribution system operators typically express their ... -
TSO-DSO interface flow pricing: a bilevel study on efficiency and cost allocation
(2024-10-01)In the context of increasing distributed flexibility, enhanced TSO-DSO coordination is needed when procuring and activating flexibility. The literature shows that pricing the changes in the power flow over the TSO-DSO ... -
Impact of current limiters and fast voltage boosters in grid-forming VSC-based generators on transient stability
(2024-10-01)Transient stability is a complex phenomenon presented in multi-machine and multi-converter systems, and it is still considered a key limiting factor for stressed power systems. The increasing integration of non-synchronous ...