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Listar por autor "Vidal-Verdú, Fernando"
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A large area tactile sensor patch based on commercial force sensors
Barquero, María José; Castellanos-Ramos, Julián; Sánchez-Durán, José Antonio; Serón-Barba, Javier; Vidal-Verdú, Fernando; Navas-González, Rafael Jesús; García-Cerezo, Alfonso José[et al.] (MDPI, 2011)This paper reports the design of a tactile sensor patch to cover large areas of robots and machines that interact with human beings. Many devices have been proposed to meet such a demand. These realizations are mostly ... -
A Modular Programmable CMOS Analog Fuzzy Controller Chip
Rodríguez Vázquez, Angel; Navas-González, Rafael Jesús; Delgado Restituto, Manuel; Vidal-Verdú, Fernando (IEEE Circuits and Systems Society, 1999)We present a highly modular fuzzy inference analog CMOS chip architecture with on-chip digital programmability. This chip consists of the interconnection of parameterized instances of two different kind of blocks, namely ... -
A multiplexing architecture for mixed-signal CMOS fuzzy controllers
Vidal-Verdú, Fernando; Navas-González, Rafael Jesús; Rodríguez Vázquez, Angel (Institution of Engineering and Technology, 1998)Limits to precision impose limits to the complexity of analog circuits, hence fuzzy analog controllers are usually oriented to fast low-power systems with low-medium complexity. This paper presents a strategy to preserve ... -
A tactile handle for cane use monitoring
Trujillo-León, Andrés; Ady, Ragou; Vidal-Verdú, Fernando; Bachta, Wael (IEEE, 2015)Assistive ambulatory devices are used for gait rehabilitation and assistance. In both cases, their benefit is greater when they are used properly. As for canes, embedded sensors can be used for monitoring purposes. In this ... -
Adding Proximity Sensing Capability to Tactile Array Based on Off-the-Shelf FSR and PSoC
Castellanos-Ramos, Julián; Trujillo-León, Andrés; Navas-González, Rafael Jesús; Barbero-Recio, Francisco; Sánchez-Durán, José Antonio; Oballe-Peinado, Óscar; Vidal-Verdú, Fernando[et al.] (IEEE, 2020)Tactile sensors have been incorporated into robots to help in many tasks, such as preventing damage to humans in collaborative works or assistance or in dexterous manipulation. Proximity sensors are also common in robotics ... -
Aplicación de un guante instrumentado para evaluación de la movilidad de la mano
Verea Reina, Raúl (2021-09)En el presente trabajo se realiza la revisión, estudio y mejora de una aplicación previamente desarrollada de un guante instrumentado, para la evaluación de la función motora del miembro superior en rehabilitación.El guante ... -
Aportaciones al hardware para sensores táctiles inteligentes basados en FPGAs
Oballe-Peinado, Óscar (Servicio de Publicaciones y Divulgacion Científica, 2016)En esta tesis doctoral se presentan distintas soluciones para la adquisición de datos provenientes de matrices de sensores resistivos, y en concreto de sensores táctiles piezorresistivos. Los circuitos propuestos reducen ... -
Assistive Handlebar Based on Load Cells as Attendant Steering Device
Trujillo-León, Andrés; Sánchez-Sánchez, Cristina; Castellanos-Ramos, Julián; Vidal-Verdú, Fernando (IEEE, 2018)The increase in the life expectancy has pushed the interest in developing assistive technologies to extend the autonomy of the elderly. Mobility is a major concern for this population, and aids should be designed to be ... -
Assistive handlebar based on tactile sensors: control inputs and human factors
Trujillo-León, Andrés; Bachta, Wael; Castellanos-Ramos, Julián; Vidal-Verdú, Fernando (Sensors, MDPI, 2018)Tactile sensors can be used to build human-machine interfaces, for instance in isometric joysticks or handlebars. When used as input sensor device for control, questions arise related to the contact with the human, which ... -
Caracterización, Modelado y Diseño de Sensores Táctiles Piezorresistivos
Castellanos-Ramos, Julián (Servicio de Publicaciones y Divulgación Científica, 2016)Un sensor táctil es un dispositivo con el que se obtiene información del entorno mediante el contacto con él. Su implementación se basa en distribuir una serie de unidades sensoriales de fuerza, a las que denominamos ... -
Direct interfaces for smart skins based on FPGAs
Oballe-Peinado, Óscar; Castellanos-Ramos, Julián; Hidalgo-López, José Antonio; Vidal-Verdú, Fernando (SPIE digital library, 2009)Many artificial skins for robotics are based on piezoresistive films that cover an array of electrodes. Local preprocess- ing is a must in these systems to reduce errors and interferences and cope with the large amount of ... -
Diseño y aplicación de controladores neurodifusos integrados en modo mixto de alta complejidad
Navas-González, Rafael Jesús (Universidad de Málaga, Servicio de Publicaciones, 2000)Las principales aportaciones de esta Tesis Doctoral se centran en el campo del diseño y aplicación de circuitos integrados analógicos y mixtos de sistemas de inferencia neuro-difusos con tecnologias CMOS estándar, y ... -
Driving Interface Based on Tactile Sensors for Electric Wheelchairs or Trolleys
Trujillo-León, Andrés; Vidal-Verdú, Fernando (MDPI, 2014)This paper introduces a novel device based on a tactile interface to replace the attendant joystick in electric wheelchairs. It can also be used in other vehicles such as shopping trolleys. Its use allows intuitive driving ... -
Equilibration device for tactile sensors on curved surfaces
Castellanos-Ramos, Julián; Carrasco-García, Álvaro; Navas-González, Rafael Jesús; Trujillo-León, Andrés; Vidal-Verdú, Fernando (IEEE, 2017)Tactile sensors are arrays of force sensing units called taxels and equilibration is necessary to normalize their response. This is commonly done by applying uniform pressure while the sensor lies on a flat surface. However, ... -
Evaluation of tactile sensors as an alternative to force sensors in an assistive haptic handlebar
Trujillo-León, Andrés; Bachta, Wael; Vidal-Verdú, Fernando (IEEE, 2017)This paper shows experimental results that confirm that tactile sensors are appropriate to provide information about the caregiver intention in an assistive haptic handlebar. Preliminary tests have been performed to identify ... -
Finite element analysis of tactile sensors made with screen printing technology.
Castellanos-Ramos, Julián; Navas-González, Rafael Jesús; Ochoteco, Estíbalitz; Vidal-Verdú, Fernando (SPIE digital library, 2011)Tactile sensors have increasing presence in different applications, especially in assistive robotics or medicine and rehabilitation. They are basically an array of force sensors (tactels) and they are intended to emulate ... -
FPGA-Based Tactile Sensor Suite Electronics for Real-Time Embedded Processing
Oballe-Peinado, Óscar; Hidalgo-López, José Antonio; Castellanos-Ramos, Julián; Sánchez-Durán, José Antonio; Navas-González, Rafael Jesús; Herrán, Jaime; Vidal-Verdú, Fernando[et al.] (IEEE, 2017)Dexterity in robotic hands is not enough to cover the demands for more flexibility in the manufacturing process. Specifically, processes that involve cooperation or learning from humans, slippage detection and tactile ... -
Guía docente común de las titulaciones de Ingeniero en Electrónica en las universidades andaluzas
Jiménez Tejada, Juan Antonio; Colodro Ruiz, Francisco; Torralba Silgado, Antonio; Parrilla Roure, Luis; Pérez Fernández, José María; Díaz García, Antonio; Rodríguez Bolívar, Salvador; Gámiz Pérez, Francisco; López Villanueva, Juan Antonio; Palma López, Alberto José; López Soler, Juan Manuel; Godoy Medina, Andrés; Palomo Pinto, Rogelio; Hormigo-Aguilar, Javier; Fernández-Ramos, José; Gutiérrez-Carrasco, Eladio Damián; García Ortega, Juan; Peinado-Domínguez, Alberto; Carceller Beltrán, Juan E.; Ramírez Pérez de Inestrosa, Javier; Hidalgo-López, José Antonio; Heredia-Larrubia, Juan Ramón; Vidal-Verdú, Fernando; Romero-Gómez, Luis Felipe; Trenas-Castro, María Antonia; Ríos-Gómez, Francisco Javier; García-Corrales, Celia[et al.] (2006)El presente documento constituye el resultado del trabajo elaborado de acuerdo con la Convocatoria de Elaboración de Guías Docentes de Titulaciones Andaluzas conforme al Sistema de Créditos Europeos (años 2005/2006) de la ... -
Haptic interface based on tactile sensors for assistive devices
Trujillo-León, Andrés (UMA Editorial, 2018-02)Los países desarrollados deben hacer frente al creciente envejecimiento de su población. Un proceso de envejecimiento adecuado requiere capacidad funcional en las actividades del día a día. Así, las tecnologías de asistencia ... -
High-Accuracy Readout Electronics for Piezoresistive Tactile Sensors
Hidalgo-López, José Antonio; Oballe-Peinado, Óscar; Castellanos-Ramos, Julián; Sánchez-Durán, José Antonio; Fernández-Ramos, Raquel Natividad; Vidal-Verdú, Fernando[et al.] (MDPI, 2017)The typical layout in a piezoresistive tactile sensor arranges individual sensors to form an array with M rows and N columns. While this layout reduces the wiring involved, it does not allow the values of the sensor resistors ...