Listar Departamento de Ingeniería Eléctrica y Automática por autor "c3735eeb-decf-416b-af9c-e73e7256b34c"
Mostrando ítems 1-20 de 28
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A Linux cluster of personal computers for the numerical simulation of natural airflows in greenhouses using a lattice model
Jiménez Hornero, Jorge; Jiménez-Hornero, Francisco José; Giráldez Cervera, Juan Vicente (Elsevier, 2006)Some numerical models need a considerable computational effort to run their simulations. This fact is translated into long execution times delaying the decisions that have to be taken by the modeller in order to obtain the ... -
A practical tuning methodology for event-based PI control
Ruiz, Ángel; Jiménez Hornero, Jorge; Sánchez, José; Dormido, Sebastián (Elsevier, 2014)This paper is focused on the tuning of an event-based PI controller for first-order plus time delay systems(FOPTD). In this work, a novel design and combination of a controller and event generator with an easy-to-use tuning ... -
A unified event-based control approach for FOPTD and IPTD processes based on the filtered Smith predictor
Ruiz, Ángel; Beschi, Manuel; Visioli, Antonio; Dormido, Sebastián; Jiménez Hornero, Jorge (Elsevier, 2017)A new unified design of an event-based PID control architecture for self-regulating and integral processes is investigated in this work. The design is based on the Symmetrical-Send-On-Delta sampling technique (SSOD) and ... -
An approach for estimating the maximum specific growth rate of Gluconobacter japonicus in strawberry purée without cell concentration data
Cañete Rodríguez, Ana María; Santos-Dueñas, Inés María; Jiménez Hornero, Jorge; Torija-Martínez, María J.; Mas, Albert; García García, Isidoro (Elsevier, 2016)The estimation of the maximum specific growth rate ( max) for non-readily culturable bacteria, growing on complex media containing suspended solids, is a difficult task considering the important problems in obtaining ... -
An educational computer tool for simulating long-term soil erosion on agricultural landscapes
Jiménez-Hornero, Francisco José; Giráldez Cervera, Juan Vicente; Laguna, Ana; Jiménez Hornero, Jorge (Wiley, 2009)Due to its economic and environmental impacts, soil erosion has been a major concern to farmers, engineers and policy makers in recent years. Water and tilling are two of the main agents responsible for this phenomenon and ... -
Control Basado en Eventos de Sistemas de Primer Orden Con Retardo
Ruiz, Ángel; Jiménez Hornero, Jorge; Sánchez, José; Dormido, Sebastián (Elsevier, 2013)La teoría de control PID en su vertiente discreta, apoyándose en una gestión periódica de los muestreos (eventos planificados en tiempo) se considera un área madura dentro del paradigma del control automático. Por el ... -
COVID-19 pandemic on coronary artery and cerebrovascular diseases in Southern Spain: interrupted time series analysis
Rodríguez-Cortés, Francisco José; Jiménez Hornero, Jorge; Alcalá Díaz, Juan Francisco; Miñarro del Moral, Rosa M.; Romero-Cabrera, Juan Luis; Manfredini, Roberto; Rodríguez Borrego, M.A.; López Soto, Pablo Jesús (Verduci, 2023)OBJECTIVE: Healthcare systems have been put under intense pressure by the COVID-19 pandemic, although some studies have shown a decline in hospital admissions for cardiovascular and cerebrovascular diseases during the first ... -
Daylight Saving Time transitions and Cardiovascular Disease in Andalusia: Time Series Modeling and Analysis Using Visibility Graphs
Rodríguez-Cortés, Francisco José; Jiménez Hornero, Jorge; Alcalá Díaz, Juan Francisco; Jiménez-Hornero, Francisco José; Romero-Cabrera, Juan Luis; Cappadona, Rosaria; Manfredini, Roberto; López Soto, Pablo Jesús (Sage, 2022)The present study aimed to determine whether transitions both to and from daylight saving time (DST) led to an increase in the incidence of hospital admissions for major acute cardiovascular events (MACE). To support the ... -
Design of event-based PI-P controllers using interactive tools
Ruiz, Ángel; Jiménez Hornero, Jorge; Sánchez, José; Dormido, Sebastián (Elsevier, 2014)In the field of event-based control, the tuning and synthesis of controllers represents a challenging task where the lack of specific computer-aided design tools makes very difficult the consolidation of emerging approaches. ... -
Design, Implementation and Validation of a Hardware-in-the-Loop Test Bench for Heating Systems in Conventional Coaches
Delgado, María Luisa; Jiménez Hornero, Jorge; Vázquez, Francisco (MDPI, 2023)Experimental work with heating systems installed in public transport vehicles, particularly for optimisation and control design, is a challenging task due to cost and space limitations, primarily imposed by the heating ... -
Educational Tool for Optimal Controller Tuning Using Evolutionary Strategies
Carmona Morales, Daniel; Jiménez Hornero, Jorge; Vázquez, Francisco; Morilla, Fernando (IEEE, 2012)In this paper, an optimal tuning tool is presented for control structures based on multivariable Proportional-Integral-Derivative (PID) control, using genetic algorithms as an alternative to traditional optimization ... -
Efectos sobre la salud humana de los campos magnéticos y eléctricos de muy baja frecuencia (ELF)
Ruz Ruiz, Mario L.; Vázquez Serrano, Francisco J.; Cubero-Atienza, Antonio J.; Salas-Morera, Lorenzo; Jiménez Hornero, Jorge; Araúzo-Azofra, Antonio; Cubero Atienza, Juan R.; García-Hernández, Laura; Redel-Macías, María Dolores; Garrido, J. (Junta de Andalucía, Consejeria de Empleo, 2010)El presente documento, promovido por la Dirección General de Seguridad y Salud Laboral de la Consejería de Empleo de la Junta de Andalucía, dentro de la Acción 77 del Plan General de Prevención de Riesgos Laborales 2003-2008, ... -
Environmental pollution in North-Eastern Italy and its influence on chronic obstructive pulmonary disease: Time series modelling and analysis using visibility graphs
Aranburu-Imatz, Alejandra; Jiménez Hornero, Jorge; Morales-Cané, Ignacio; López Soto, Pablo Jesús (Springer, 2023)The impact on human health from environmental pollution is receiving increasing attention. In the case of respiratory diseases such as chronic obstructive pulmonary disease (COPD), the relationship is now well documented. ... -
Estimating the mean acetification rate via on-line monitored changes in ethanol during a semi-continuous vinegar production cycle
García García, Isidoro; Cantero-Moreno, Domingo; Jiménez-Ot, Carlos; Baena Ruano, Silvia; Jiménez Hornero, Jorge; Santos-Dueñas, Inés María; Bonilla-Venceslada, José L.; Barja, Françoise (Elsevier, 2007)A simple, fast method for estimating the mean rate of biological oxidation in a typical semi-continuous wine vinegar production cycle was developed. The method involves on-line monitoring changes in ethanol concentration ... -
Experiencia de trabajo en equipo: diseño y control de un sistema multivariable de depósitos interconectados
Garrido, J.; Ruz Ruiz, Mario L.; Jiménez Hornero, Jorge; Vázquez Serrano, Francisco J. (UCOPress, 2019)En este trabajo se presenta una experiencia de trabajo en grupo que pretende mejorar tanto competencias generales (organización, planificación, resolución de problemas, toma de decisiones, etc.) como específicas (modelado, ... -
Gluconic acid: Properties, production methods and applications—An excellent opportunity for agro-industrial by-products and waste bio-valorization
Cañete Rodríguez, Ana María; Santos-Dueñas, Inés María; Jiménez Hornero, Jorge; Ehrenreich, Armin; Liebl, Wolfgang; García García, Isidoro (Elsevier, 2016)Agro-industrial by-products and wastes pose serious, widespread problems with considerable economic and environmental consequences in developed countries. However, many of the by-products contain large amounts of sugars ... -
Influence of the final ethanol concentration on the acetification and production rate in the wine vinegar process
Baena Ruano, Silvia; Jiménez-Ot, Carlos; Santos-Dueñas, Inés María; Jiménez Hornero, Jorge; Bonilla-Venceslada, José L.; Álvarez Cáliz, Carmen María; García García, Isidoro (Wiley, 2010)BACKGROUND: The acetification process needs an overall study of the variables influencing it in order to establish their optimum values. Based on industrial experience and available literature, including a recently proposed ... -
Modeling and optimization of acetic acid fermentation: A polynomial-based approach
Santos-Dueñas, Inés María; Jiménez Hornero, Jorge; Cañete Rodríguez, Ana María; García García, Isidoro (Elsevier, 2015)Vinegar production is a typical bioprocess in the scope of the agrifood industry. Its optimization requirescareful modeling which has so far been addressed by using mainly unstructured first principles models. Because of ... -
Modelling of the Acetification Stage in the Production of Wine Vinegar by Use of Two Serial Bioreactors
Álvarez Cáliz, Carmen María; Santos-Dueñas, Inés María; Jiménez Hornero, Jorge; García García, Isidoro (MDPI, 2020)In the scope of a broader study about modelling wine acetification, the use of polynomial black-box models seems to be the best choice. Additionally, the use of two serially arranged bioreactors was expected to result in ... -
Modelling of wine vinegar acetification bioreactor: Global sensitivity analysis and simplification of the model
Jiménez Hornero, Jorge; Santos-Dueñas, Inés María; García García, Isidoro (Elsevier, 2022)First-principles models of any process usually describe its complex underlying mechanisms using differential and algebraic equations including several unknown parameters, whose values must be normally estimated from ...