Ponencias (Tecnología Electrónica)

URI permanente para esta colecciónhttps://hdl.handle.net/11441/11419

Examinar

Mostrando 1 - 20 de 343

The Future of Digital Twins in Healthcare: Results from an Expert Survey
(Springer, 2026-06-16) Denecke, Kerstin; Rivera-Romero, Octavio; Tecnología Electrónica; TIC277: Informática de la Salud Participativa y Personalización
Introduction:. Digital twin (DT) technologies have generated grow-ing interest across healthcare stakeholders, including researchers, industry, clin-icians, patients, and the general public. While previous studies have discussed potential benefits and risks, most are based on literature reviews or focus on specific clinical areas, limiting a broader understanding of DTs in healthcare. Objectives: This study aimed to gather expert perspectives on the benefits, risks, and poten-tial clinical applications of DTs in healthcare practice. Methods: An expert panel study was conducted using an online survey. The survey included open-ended questions designed to collect qualitative insights into experts’ views on the use of DTs in clinical settings, focusing on perceived advantages, challenges, and areas of application. Results: Experts identified personalised and precision medicine as key benefits of DTs, highlighting their potential to support safer testing of thera-peutic strategies and exploration of multiple clinical scenarios. DTs were also seen as valuable tools for drug and medical device development. However, participants raised concerns regarding technical limitations, legal and ethical issues, bias, trans-parency, and accountability. Oncology, cardiology, and surgery were considered the clinical fields most likely to benefit, along with immunology, rehabilitation, and chronic inflammatory or degenerative diseases. Experts agreed that DTs are likely to be integrated into clinical practice in specific use cases but emphasized the need to improve their credibility through human involvement in design, greater explainability and transparency, and more robust validation. Conclusions: Despite increasing interest, DTs in healthcare remain at an early stage of development. Their adoption faces challenges similar to other Artificial Intelligence-based tech-nologies. Nevertheless, experts anticipate that DTs will play a significant future role in treatment optimisation, personalised care, and precision medicine.
OPALS, Open Platform Applied to Learning digital control Systems
(IEEE, 2022) Barbancho Concejero, Julio; Alarcón, Bartolomé; Domínguez-Cid, Samuel; Lora, Pedro; Luque, Joaquín; Tecnología Electrónica
La teoría del control automático tiene una importancia relevante en varios ámbitos de la ingeniería. Identificar el modelo de un sistema y diseñar un controlador son tareas fundamentales en el proceso de aprendizaje de los sistemas de control. La implementación de controladores digitales mediante el uso de ecuaciones en diferencias sobre microprocesadores constituye una forma efectiva de evaluar el comportamiento de un sistema realimentado. Este artículo propone una plataforma abierta hardware/software diseñada para ser utilizada en laboratorios de enseñanza de control automático en el ámbito de grados de ingeniería.
Ethical Compliance Audit of LLMs Used as Computing Education Tools: An Evaluation Under ACM Standards
(ACM Digital Library, 2026-07-09) Anillo Carrasco, Francisco José; Oprescu, Andreea M.; Romero Ternero, María del Carmen; Tecnología Electrónica; TIC150: Tecnología Electrónica e Informática Industrial
Computing students increasingly rely on Large Language Models (LLMs) for code generation and problem-solving. However, the ethical alignment of these tools, specifically regarding fairness and accountability, remains a blind spot in computing education. This study introduces an audit pipeline to evaluate the ethical integrity of LLMs prevalent in the European Higher Education Area. Using the 2018 ACM Code of Ethics as a framework, we conduct qualitative stress-testing to simulate real-world computer science student queries. Our findings reveal systemic failures in technical inclusivity alongside divergent safety behaviors across state-of-the-art models, highlighting the critical need to shift the computing student's role from passive user to active ethical auditor.
Positive Neuroblastoma differentiation with AC electrical-stimulation
(IEEE, 2024) Martín Fernández, Daniel; Fernandez Scagliusi, Santiago Joaquin; Pérez García, Pablo; Olmo Fernández, Alberto; Algarín Pérez, Antonio; Yúfera García, Alberto; Huertas Sánchez, Gloria; Daza Navarro, María Paula; Biología Celular; Tecnología Electrónica; Electrónica y Electromagnetismo; Agencia Estatal de Investigación. España
Electrical Stimulation (ES) is an excellent technique to promote the differentiation and proliferation of precursor cells towards new linages. We studied the effects of alternated current (AC) electrical stimulation on mouse neuroblastoma cell line N2A differentiation towards neuronal tissue. We developed an ES system with electronics, culture-ware with electrodes and encapsulation, designing a setup and protocols for stimulation. The applied ES were biphasic voltage pulses, with programmable amplitudes and frequencies. After ES, N2A cells were analyzed using microscope images. Differentiated and non-differentiated cells were counted. Results show that ES facilitates the differentiation of N2A cells in N2A. The best values for the applied electric field (pulse biphasic signals) in terms of amplitude and frequency, are around 250-500 mV/mm and 100 Hz, these conditions are proposed as the most suitable for future ES of N2A.
Integrated Electrode-Based Systems for Stem-Cell Stimulation
(IEEE, 2024-12) Algarín Pérez, Antonio; Martín, D.; Daza Navarro, María Paula; Huertas Sánchez, Gloria; Yúfera García, Alberto; Tecnología Electrónica; Biología Celular; Electrónica y Electromagnetismo; Ministerio de Ciencia e Innovación (MICIN). España; Agencia Estatal de Investigación. España
This paper is conceived as an update of integrated electrode-based systems involved on Stem Cells (SC) differentiation processes based on electric stimulation, actual and future progress. These techniques are applied in different biological and medical protocols with varied objectives: cell linage derivation, tissue engineering, cellular therapy, cancer research, cell motility, etc. The general procedure of SC electric stimulation tries to emulate the biological processes by applying an electrical signal to the cell culture, and to evaluate the cell response to it. Basically, cell metabolism is electrically sensitive, answering in some way to the applied stimuli. What is really happening at the cell is not well known actually, but it is clear that the ion density changes, positive or negative, at the cell membrane neighbourhood must excite in some way the cell metabolism (receptors) activating its “differentiation” as response to the electrical stimulus. In this review, we will try to progress towards a compilation of the proposed system setups, and specifications required, to find and know the local conditions or variables at cell environment that activate differentiation processes. Two features of stimulation (STI) will be reviewed: the setup employed for STI; and the circuits for STI. The nexus between both are the electrodes, as required interfaces to apply electric signals to cell cultures; so we will focus our interest on integrated Micro-Electrode Arrays (MEAs) realizations mainly, and the problems and specifications imposed by its use. This approach will allow to centre this review on fully integrated realization of electrodes, at the same scale of cell sizes.
Influence of Distributed Energy Resources on the performance of phase topology identification in distribution networks
(Elsevier, 2024) García Caro, Sebastián; Bracco, Stefano; Mora Merchán, Javier M.; Larios Marín, Diego Francisco; Personal Vázquez, Enrique; León de Mora, Carlos; Tecnología Electrónica; Ministerio de Ciencia e Innovación (MICIN). España; TIC150: Tecnología Electrónica e Informática Industrial
The increase of Distributed Energy Resources (DERs) in low-voltage distribution networks (LVDN) requires accurate phase topology information of single-phase users. However, this information is not always available or, when it is, is often unreliable. Although there are methods in the literature for the automatic phase topology identification in LVDN, the influence of DERs on their performance has not been widely studied. In this paper, an evaluation of the influence of DERs in phase topology identification is presented. Five DER penetration scenarios (0%, 5%, 10%, 20% and 40%) over a LVDN with 459 users were used. A total of three state-of-the-art methods from the literature were tested. All of them showed an accuracy decrease when DER penetration increases. However, the one proposed by the authors showed the smallest decrease (from 100% without DER to 95.87% with 40% DER penetration) compared to the others, which showed a greater influence (from 99.76% to 89.81% and from 97.77% to 52.67%.
Una propuesta metodológica para el laboratorio de asignaturas de Electrónica Digital
(Escuela Universitaria Politécnica de Teruel, 2022) Gómez González, Isabel María; Juan Chico, Jorge; Castro García, Juan Antonio; Merino Monge, Manuel; Molina Cantero, Alberto Jesús; Tecnología Electrónica; Plaza García, Inmaculada; Igual Catalán, Raúl; Orna Carmona, Martín; Esteban Sánchez, Ana Lucía; Antolín Cañada, Diego; Aguilar Peña, Juan D.
En este trabajo se describe una propuesta para impartición del laboratorio de electrónica digital que combina el método tradicional basado en el montaje con componentes discretos en placas de ensayo con enseñanza remota haciendo uso de la plataforma de enseñanza virtual (EV), uso de simuladores y dispositivos lógicos programables. El objetivo es potenciar la autonomía y la creatividad y permitir una mayor flexibilidad en la organización del aprendizaje.
Smart Grid Stochastic Optimization with Ant Colony-based Scenario Generation
(Elsevier, 2024) Fernández Valderrama, Daniel; Ferro, Giulio; Guerrero Alonso, Juan Ignacio; León de Mora, Carlos; Parodi, Luca; Robba, Michela; Tecnología Electrónica; Ministerio de Ciencia e Innovación (MICIN). España; TIC150: Tecnología Electrónica e Informática Industrial
This paper presents a stochastic optimization approach for the operational management of sustainable energy districts and polygeneration microgrids. Stochastic operation optimization allows for an uncertain approach to deal with imprecise variables. A new approach is here presented for generating scenarios based on Ant Colony Optimization (ACO) to assess the uncertainties related to inexact data, renewable energy sources and power demand. In fact, due to the uncertainties related to forecasting loads and renewables, it is necessary to analyze the probability of occurrence of the prediction and the different scenarios that could be faced. Then, based on the generated scenarios and probabilities, a scenario-based two-stage stochastic optimization approach has been formulated to optimize the operation strategies of the various technologies and solve the unit commitment problem under uncertainty. The developed models have been applied to the Savona Campus Smart Polygeneration Microgrid, and historical data from 2018 have been used.
Characterization and Correction of Low Frequency Artifacts in Segmental Bioimpedance Measurements
(IEEE Access, 2023) Fernández Scagliusi, Santiago Joaquín; Delano, Maggie; Tecnología Electrónica; Junta de Andalucía
Bioimpedance analysis can be used for remote monitoring of volume status for various conditions such as congestive heart failure. The measurement is typically performed with four electrodes, two of them driving an alternating current through the tissue and the other two sensing the resulting voltage. Issues with the measurement setup such as stray capacitance or electrode mismatch can cause artifacts that impact Cole parameters used for volume estimation. While previous research has focused on mitigating high frequency artifacts, little research has been done to understand the cause and impact of low frequency artifacts, nor how to mitigate the impact of these artifacts. These artifacts are most prevalent in wearable segmental bioimpedance systems, especially using textile electrodes, so future research in this area is needed for these systems to be viable. The present study uses simulations to identify the potential sources of low frequency artifacts, and explores techniques to minimize the impact of these artifacts on Cole parameters. Theoretical analysis and simulations show that the mismatch of the voltage electrodes causes artifacts at low frequency. These artifacts are highly dependent on the impedance of the negative current injecting electrode. Averaging measurements of the mismatch of both voltage electrodes and limiting high frequency measurements to 200 kHz can reduce errors due to these artifacts from over 137% to less than 3%. The results of this study suggest the impact of low frequency artifacts can be significantly reduced, enabling future development of wearable bioimpedance systems.
An approach for global localization in complex indoor environments based on topological maps
(EasyChair, 2023) Delgado Mena, Diego; Lafuente Arroyo, Sergio; Maldonado Bascón, Saturnino; Castro García, Juan Antonio; Tecnología Electrónica; Ministerio de Ciencia e Innovación (MICIN). España; TIC022: Tecnologías para la Asistencia, la Integración y la Salud
One of the main problems in mobile robotics is to estimate the global position in complex symmetrical environments. Even when there are many devices or algorithms to achieve that goal, not all of them are useful in all kind of environments. GPS is typically used outdoors whereas algorithms based on Monte Carlo localization (AMCL) are used in- doors. However, they present some disadvantages. Thus, the GPS commercial devices do not work inside the buildings and the AMCL algorithms are limited in symmetrical envi- ronments for the fact that they needs to detect remarkable differences in the environment. Due to the mentioned limitations we propose a global localization approach for symmet- rical indoor environments based on the structure of topological maps. Here, geometrical and semantic information of static objects are considered, respectively, from LIDAR and RGB-D camera. Both sensors provide us, respectively, the information about occupancy areas and the scene perception. The proposed system is divided into four tasks. The first one is the classification of nodes according to their geometrical nature based on the LIDAR signature. The second stage is focused on object detection through a pretrained CNN based on YOLO (You Only Look Once) as model of convolutional neural network, which is able to work in real time. The third task corresponds to tracking and pose es- timation of objects, where is necessary the information from YOLO and the depth data from camera. Finally, the last task consists of estimating the robot’s global pose on the map from the output of object detector, their relative distance and their estimation pose. This algorithm compares the structure of detected nodes and objects with the structure defined on a reference annotated map. In order to match the degree of similarity of both structures we define a evaluation function and the highest value estimates the edge where is located the robot in the topological map. Our main contributions with respect to our previous work are the addition of depth of detected objects and the improvement of the evaluation function.
Entorno de virtualización para la realización y evaluación de prácticas de laboratorio TIC
(Escuela Universitaria Politécnica de Teruel, 2022) Viejo Cortés, Julián; Ruiz de Clavijo Vázquez, Paulino; Ostúa Arangüena, Enrique; Cano Quiveu, Germán; Juan Chico, Jorge; Tecnología Electrónica; TIC204: Investigación y Desarrollo Digital
En este demostrador se presenta una plataforma de virtualización basada en software de código abierto que permite la realización de un conjunto de prácticas de laboratorio relacionadas con las tecnologías de la información. Esta plataforma presenta mejoras significativas frente a otras soluciones de virtualización empleadas anteriormente, ya que ha facilitado la autogestión de las máquinas virtuales por parte de los alumnos y, en especial, ha permitido mejorar la evaluación de las prácticas de laboratorio propuestas mediante el desarrollo de una plataforma web que asiste y posibilita su evaluación automática. Index Terms—Virtualización, autoevaluación, evaluación automática, TIC, software de código abierto.
Electrical stimulation induces IL-6 secretion in N2a cells
(2026) Yúfera García, Alberto; Martín, D.; Algarín Pérez, Antonio; Pastor Carrillo, Nuria María; Ruano Caballero, Diego; Orta Vázquez, Manuel Luis; Dorronsoro, Akaitz; Daza Navarro, María Paula; Tecnología Electrónica; Biología Celular
Electrical stimulation (ES) is a technique that consists of applying an electric field (voltage, current or charge) to living tissue, biological entities, or cell cultures. ES has been shown to promote specific cell responses, including adhesion, proliferation, differentiation, directional migration, and cell division.
Digital Design Flow Based on Open Tools for Programmable Logic Devices
(IEEE, 2024-06) Navarro-Torrero, Pablo; Rojas-Muñoz, Luis Felipe; Martinez Rodriguez, Macarena Cristina; Barriga Barros, Ángel; Jiménez Fernández, Carlos Jesús; Brox, María; Brox Jiménez, Piedad; Electrónica y Electromagnetismo; Tecnología Electrónica
In this demonstrator, a design flow based on a set of open-source tools is showcased, enabling the simulation, synthesis, implementation, and programming of digital systems on programmable logic devices. Three academic examples, increasing in complexity, are shown running on open hardware development boards to demonstrate the validity of the digital design flow based on the APIO environment.
Análisis de distintas metodologías de evaluación en prácticas de laboratorio en asignaturas de Redes de Computadores
(Universidad de Sevilla, 2011) Benjumea Mondéjar, Jaime; Médina Rodríguez, Ana Verónica; Rivera-Romero, Octavio; Dorronzoro Zubiete, Enrique; Tecnología Electrónica
En este artículo se presenta una comparativa entre distintos esquemas de evaluación del alumnado en las prácticas de laboratorio de Redes de Computadores utilizados en los últimos años. Se analizan tres esquemas distintos: 1) Evaluación basada en memorias teóricas y cuestionarios experimentales, 2) Evaluación práctica a práctica basada en WebCT, 3) Evaluación final basada en WebCT. Estos distintos sistemas persiguen como objetivos aplicar técnicas de evaluación continua, lograr un sistema de calificación individualizado y, finalmente, homogeneizar las calificaciones prácticas y teóricas. Se presenta un análisis de cada uno de estos sistemas, en base al cumplimiento o no de estos objetivos usándose, para ello, los datos estadísticos de los seis últimos cursos.
Power Dynamics Analysis of Participatory Design in Digital Health Research: Case Study
(IOS Press, 2025) Giunti, Guido; Mylonopoulou, Vasiliki; Rivera-Romero, Octavio; Isomursu, Minna; Tecnología Electrónica; TIC277: Informática de la Salud Participativa y Personalización
Digital health adoption remains a challenge requiring engagement from patients, healthcare professionals, and family members. Participatory design (PD) enables stakeholders to co-create tools but the relationship among stakeholders influences power dynamics. We explored power dynamics in a series of PD workshops with patients, healthcare professionals and family members taking place in 4 different countries. Data was collected through participant observation, recordings, and facilitator interviews, then analyzed using French and Raven’s Bases of Power framework. Findings indicate that each stakeholder group holds distinct types of power that impact the design process. Patients brought referent and informational power derived from lived experiences. Healthcare professionals often wielded expert and legitimate power, while family members sometimes exerted coercive or reward power.
Participatory Design Framework – Validation in the Field of Mental Health
(IOS Press, 2025) Denecke, Kerstin; Rivera-Romero, Octavio; Gabarrón, Elia; Tecnología Electrónica; TIC277: Informática de la Salud Participativa y Personalización
Participatory design (PD), i.e. the systematic involvement of stakeholders into the design process, is increasingly used for the design of digital health interventions. In this work, we assess to what extent research is reporting aspects relevant for understanding the PD process with examples from mental health.
Monitoring Adherence to Growth Hormone Treatments Using Digital Health Solutions in Hong Kong: An Expert Panel Discussion
(IOS Press, 2025-08-07) Fu, Antony; Wong, Wai Chun; Koledova, Ekaterina; Rivera-Romero, Octavio; Syed-Abdul, Shabbir; Tecnología Electrónica; TIC277: Informática de la Salud Participativa y Personalización
Digital health solutions have evolved for managing long-term treatment with recombinant human growth hormone, making it essential to understand their features and functionalities for adoption and acceptance by healthcare professionals (HCPs), patients and caregivers. Findings from a participatory workshop in Hong Kong explored HCPs’ perspectives on monitoring adherence to growth hormone (GH) therapies using digital health solutions incorporating Aluetta® with SmartdotTM and GrowzenTM ecosystem (Merck Healthcare KGaA, Darmstadt, Germany). These insights can empower HCPs to effectively integrate and recommend digital health solutions during GH treatment, fostering successful treatment strategies for patients with growth hormone deficiency.
Endocrinologists’ Perceived Benefits and Risks of Digital Transformation for Growth Disorders Care in Taiwan: An Expert Panel Discussion
(IOS Press, 2025) Koledova, Ekaterina; Lin, Chien Ming; Huang, Ying Hua; Rivera-Romero, Octavio; Syed-Abdul, Shabbir; Tecnología Electrónica; TIC277: Informática de la Salud Participativa y Personalización
Digital health technologies have gained acceptance in paediatric growth hormone (GH) therapy, supporting patients and caregivers in their treatment journey with healthcare professionals (HCPs) playing a pivotal role. Understanding HCPs’ perspectives regarding the adoption and recommendation of digital health devices with a connected ecosystem for remote monitoring of real-time adherence is essential for aiding clinical decisions and timely interventions. The results from a participatory workshop in Taiwan involving nine paediatric endocrinologists, exploring the risks and benefits of integrating digital health solutions such as Aluetta® with Smartdot™ and Growzen™ ecosystem (Merck Healthcare KGaA, Darmstadt, Germany) for GH therapy are presented. These findings emphasise the importance of novelty in digitalisation and evidence-based treatment strategies to motivate patients achieve growth improvement.
Exploring the Relevance of Patient Selection Criteria for Hospital at Home Care: Results from an Expert Survey
(IOS Press, 2025-10-02) Denecke, Kerstin; Rivera-Romero, Octavio; Tecnología Electrónica; TIC277: Informática de la Salud Participativa y Personalización
Hospital at home (HaH) models involve treating patients at home for conditions that typically require hospitalisation. This paper reports on an expert survey to validate patient selection criteria from the literature. Feedback from 20 experts led to consensus on four criteria: medical condition, clinical suitability, living conditions and social support. No consensus was reached on the criteria demographics, technological readiness and literacy. Five other characteristics were identified. These criteria emphasise the importance of selecting patients on the basis of clinical need, safety, and ability to receive care at home, while taking into account potential inequalities. Future efforts should focus on improving digital readiness, integrating multidisciplinary perspectives, and ensuring equitable access to HaH services.
DPA vulnerability analysis on Trivium stream cipher using an optimized power model
(Institute of Electrical and Electronics Engineers, 2015-07-30) Tena Sánchez, Erica; Acosta Jiménez, Antonio José; Tecnología Electrónica; Electrónica y Electromagnetismo; Consejo Superior de Investigaciones Científicas (CSIC); Gobierno de España; TIC180: Diseño de Circuitos Integrados Digitales y Mixtos
In this paper, a Differential Power Analysis (DPA) vulnerability analysis on Trivium stream cipher is presented. Compared to the two previously presented DPA attacks on Trivium, we retrieve the whole key without making any hypothesis during the attack. An optimized power model is proposed allowing the power trace acquisition without making any algorithmic-noise removement thus simplifying the attack strategy considerably. The theoretical vulnerability analysis is presented and then checked developing a simulation-based DPA attack on a standard CMOS Trivium implementation in a 90nm TSMC technology. The results show that our attack is successful for random keys, saving in computer resources and time respecting to previously-reported attacks. The attack is independent on technology used for the implementation of Trivium and can be used to measure the security of novel Trivium implementations.

Examinar

Envíos recientes