Repositorio Universidad Pontificia Comillas: Envíos recientes
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A Mathematical Certification for Positivity Conditions in Neural Networks with Applications to Partial Monotonicity and Ethical AI
Artificial Neural Networks (ANNs) have become a powerful tool for modeling complex relationships in large-scale datasets. However, their black-box nature poses ethical challenges. In certain situations, ensuring ethical ... -
Multi-objective distribution network reconfiguration: application to a real large-scale distribution system
This paper proposes a multi-objective, multi-period distribution network reconfiguration (DNR) model applied to a real large-scale distribution system. This model aims to minimize the overall operation cost of the system, ... -
Assessing and improving resilience of future transport systems under climate stress: A case study for Spain
The transportation sector is pivotal to global decarbonization but faces growing risks from climate change and energy system vulnerabilities. This paper presents a framework for designing, improving, and assessing the ... -
Renewable capacity investment planning under distribution grid hosting capacity uncertainty via Conditional Value-at-Risk
Electricity distribution grids have been identified as a potential bottleneck for the rapid rollout of distributed generation. This paper assesses the impact of relaxing the hosting capacity (HC) calculation criteria on ... -
A Joint Supply Function Equilibrium Model for the Hydrogen and Electricity Markets
Hydrogen is emerging as a key energy carrier in the global transition toward decarbonization. The production of green hydrogen, derived via electrolysis powered by renewable energy, links hydrogen and electricity markets, ... -
Analysis of the New Portuguese and Spanish NECPs using CEVESA market model
The recent updates of the National Energy and Climate Plans (NECPs) for Portugal and Spain have some significant changes compared to the previous 2019 versions, especially for the Portuguese side where a greater demand and ... -
Computational fluid dynamics analysis of conventional irrigation and the combination with adjuvant suction cannulas in human molars with isthmus communication
(2024-11-28)This study evaluated CFD key irrigation parameters (flow pattern, irrigant velocity, wall shear stress and apical pressure) of conventional irrigation with positive pressure side-vented (SV) needle and the combination of ... -
ChatGPT vs state-of-the-art models: a benchmarking study in keyphrase generation task
(2024-11-29)Transformer-based language models, including ChatGPT, have demonstrated exceptional performance in various natural language generation tasks. However, there has been limited research evaluating ChatGPT’s keyphrase generation ... -
Nuevos retos en metrología de la salud
(2024-12-01)Uno de los objetivos del Centro Español de Metrología (CEM) es aumentar la concienciación sobre la importancia de las mediciones en el ámbito de la salud. Con este fin se ha creado un Laboratorio de Salud, dentro del Área ... -
Additive manufacturing Gyroid structures used as crash energy management
(2024-12-01)Gyroid-like structures are promising in terms of energy absorption levels. Due to additive manufacturing, they can now be manufactured and verified for different functions. In this article, it has been proven that a Gyroid ... -
Magnetic cork as adsorbent to remove hexavalent chromium from aqueous solution
(2024-12-01)Chromium contamination of water is a severe environmental problem due to the potential carcinogenicity of Cr(VI). In this work, magnetic cork powder was used as a porous material, and its removal efficiency for Cr(VI) was ... -
A modified and extended genetic algorithm for optimal distributed generation grid-integration solutions in direct current power grids
(2024-12-01)The integration of distributed generation into direct current power grids presents a critical challenge in modern energy systems, as it directly impacts grid reliability, efficiency, and the successful transition to renewable ... -
Cultivating spirituality in organizations: the role of spiritual discernment
(2024-12-15)Organizational spirituality addresses the complexities of the organizational landscape. It requires the embodiment of spiritual practices within organizations. As one such spiritual practice, spiritual discernment is closely ... -
A tri-level stochastic model for operational planning of microgrids with hydrogen refuelling station-integrated energy hubs
(2024-12-27)Energy hubs are efficient energy systems in which multiple energy carriers are converted, conditioned and stored to supply multiple forms of energy demands such as electricity, gas and heat. On the other hand, the penetration ... -
Emerging innovations in health metrology for diagnostic imaging
(2024-12-27)The Spanish National Metrology Center (CEM) is dedicated to advance the understanding of the essential role of measurements in the healthcare sector. CEM has created a laboratory in healthcare metrology to ensure the ... -
Efficiency monitoring of a cooling water pump based on machine learning techniques
(2024-12-30)This paper presents a method for efficiency monitoring of two circulating water pumps working in a combined cycle power plant for cooling the steam coming from a water-steam turbine. The method is based on monitoring the ... -
Assessing the business potential, price volatility and supply chain challenges of silicon metal in the European Union
(2024-12-31)The European Union (EU) is heavily reliant on raw materials, some of which pose critical supply challenges. The EU's Critical Raw Materials (CRM) policy, initiated in 2011 and recently reinforced by the 2023 Critical Raw ... -
Anomalous dynamic scaling of Ising interfaces
(2025-01-01)Until very recently, the asymptotic occurrence of intrinsic anomalous scaling has been expected to require concomitant effects for kinetically rough interfaces, like quenched disorder or morphological instabilities. However, ...