Listar Producción Científica por autor "85797ce4-56b6-4bd5-9292-ea78921eb5d4"
Mostrando ítems 1-20 de 34
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A hybrid modeling approach for steady-state optimal operation of vapor compression refrigeration cycles
Ruz Ruiz, Mario L.; Garrido, J.; Vázquez Serrano, Francisco J.; Morilla, Fernando (2018)This paper presents a steady-state hybrid modeling approach for vapor compression refrigeration cycles which is intended to achieve an optimal system operation from an energy consumption point of view. The model development ... -
Adaptive active generator torque controller design using multi-objective optimization for tower lateral load reduction in monopile offshore wind turbines
Lara, Manuel; Vázquez, Francisco; Sandua-Fernández, Iñaki; Garrido, J. (IEEE Access, 2023)The study of fatigue load reduction in wind turbines has gained significant interest in recent years. In monopile offshore wind turbines, vibrations induced by misalignment between waves and wind directions can considerably ... -
Adaptive Pitch Controller of a Large-Scale Wind Turbine Using Multi-Objective Optimization
Lara, Manuel; Garrido, J.; Ruz Ruiz, Mario L.; Vázquez Serrano, Francisco J. (MDPI, 2021)This paper deals with the control problems of a wind turbine working in its nominal zone. In this region, the wind turbine speed is controlled by means of the pitch angle, which keeps the nominal power constant against ... -
An extended approach of inverted decoupling
Vázquez Serrano, Francisco J.; Morilla, Fernando; Garrido, J. (2011)This paper presents an extension of the inverted decoupling approach that allows for more flexibility in choosing the transfer functions of the decoupled apparent process. In addition, the expressions of the inverted ... -
Analysis of adaptive individual pitch control schemes for blade fatigue Load reduction on a 15 MW wind turbine
Lara, Manuel; Mulders, Sebastian Paul; Van Wingerden, Jan Willem; Vázquez, Francisco; Garrido, J. (MDPI, 2024)Individual pitch control (IPC) is a method to mitigate periodic blade loads in wind turbines, and it is typically implemented using the multi-blade coordinate (MBC) transform, which converts the blade load measurements ... -
Centralized Inverted Decoupling Control
Vázquez Serrano, Francisco J.; Morilla, Fernando; Garrido, J. (2013)This paper presents a new methodology of multivariable centralized control based on the structure of inverted decoupling. The method is presented for general n×n processes, obtaining very simple general expressions for the ... -
Centralized multivariable control by simplified decoupling
Vázquez Serrano, Francisco J.; Morilla, Fernando; Garrido, J. (2012)This paper presents a generalized formulation of simplified decoupling to n×n processes that allows for different configurations depending on the decoupler elements set to unity. To apply this decoupling method, the ... -
Comparative Analysis of Decoupling Control Methodologies and H¥ Multivariable Robust Control for Variable-Speed, Variable-PitchWind Turbines: Application to a Lab-Scale Wind Turbine
Fragoso, Sergio; Garrido, J.; Vázquez Serrano, Francisco J.; Morilla, Fernando (MDPI, 2017)This work is focused on the improvement of variable-speed variable-pitch wind turbine performance by means of its control structure. This kind of systems can be considered as multivariable nonlinear processes subjected ... -
Comparative analysis of decoupling control methodologies and H∞ multivariable robust control for VS-VP wind turbines
Fragoso, Sergio; Garrido, J.; Vázquez Serrano, Francisco J.; Morilla, Fernando (IEEE, 2015)Wind turbines systems considered multivariable processes can work in several operational modes. Each mode can be represented with a dynamic model. This fact supposes a difficulty in controlling these types of systems. In ... -
Control multivariable por desacoplo
Morilla, Fernando; Garrido, J.; Vázquez, Francisco (Elsevier, 2013)La interacción entre variables es una característica inherente de los procesos multivariables, que dificulta su operación y el diseño de sus sistemas de control. Bajo el paradigma de Control por desacoplo se agrupan un ... -
Design of multivariable PID control using iterative linear programming and decoupling
Garrido, J.; Garrido-Jurado, Sergio; Vázquez, Francisco; Arrieta, Orlando (MDPI, 2024)The design of multivariable process control systems is specially complicated when there are strong interactions between the different control loops, and even more with multiple time delays. This paper proposes an iterative ... -
Educational software tool for decoupling control in wind turbines applied to a lab‐scale system
Fragoso, Sergio; Ruz Ruiz, Mario L.; Garrido, J.; Vázquez Serrano, Francisco J.; Morilla, Fernando (2018)This paper presents an educational software tool, called wtControlGUI, whose main purpose is to show the applicability and performance of different decoupling control strategies in wind turbines. Nowadays wind turbines are ... -
Educational tool for the learning of thermal comfort control based on PMV-PPD indices
Ruz Ruiz, Mario L.; Garrido, J.; Vázquez Serrano, Francisco J. (Wiley, 2018)In this paper, an interactive educational tool designed for the learning of thermal comfort concepts is presented. Thermal comfort is one of the fundamental aspects of indoor environmental quality and energy savings in ... -
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, ... -
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, ... -
Grey-box modeling and decoupling control of a lab setup of the quadruple-tank system
Garrido, J.; Garrido-Jurado, Sergio; Vázquez, Francisco (MDPI, 2024)The quadruple-tank system (QTS) is a popular educational resource in universities for studying multivariable control systems. It enables the analysis of the interaction between variables and the limitations imposed by ... -
Improvement of small wind turbine control in the transition region
Ruz Ruiz, Mario L.; Garrido, J.; Fragoso, Sergio; Vázquez, Francisco (MDPI, 2020)Wind energy conversion systems are very challenging from the control system viewpoint. The control difficulties are even more challenging when wind turbines are able to operate at variable speed and variable pitch. The ... -
Interactive Tool for Frequency Domain Tuning of PID Controllers
Garrido, J.; Ruz Ruiz, Mario L.; Morilla, Fernando; Vázquez Serrano, Francisco J. (MDPI, 2018)This paper presents an interactive tool focused on the study of proportional-integral-derivative (PID) controllers. Nowadays, PID control loops are extensively used in industrial applications. However, it is reported ... -
Interactive Tuning Tool of Proportional-Integral Controllers for First Order Plus Time Delay Processes
Ruz Ruiz, Mario L.; Garrido, J.; Morilla, Fernando; Vázquez Serrano, Francisco J. (MDPI, 2018)Engineering education and, particularly, control engineering, has shown growth in research and development activities during last years. Currently, proportional–integral (PI) and proportional–integral–derivative (PID) ... -
Inverted decoupling internal model control for square stable multivariable time delay systems
Garrido, J.; Vázquez Serrano, Francisco J.; Morilla, Fernando (2016-09-06)This paper presents a new tuning methodology of the main controller of an internal model control structure for n×n stable multivariable processes with multiple time delays based on the centralized inverted decoupling ...