Listar por autor "Vidal-Verdú, Fernando"
Mostrando ítems 1-20 de 48
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A Comparative Investigation of Cutaneous Rabbit and Funneling Tactile Illusions for Implementation in Vibrotactile Displays.
Remache-Vinueza, Byron; Trujillo-León, Andrés
; Vidal-Verdú, Fernando (IEEE, 2024-06-19)
We designed two psychophysical experiments to compare the cutaneous rabbit tactile illusion with a cutaneous rabbit recreated using sequential funneling tactile illusions. These illusions were rendered between a pair of ... -
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 ... -
Adaptive Filter to Remove Motion Artifacts from GSR Sensor Embedded on Handle Cane.
Villalba-Bravo, Rafael; Trujillo-León, Andrés; Vidal-Verdú, Fernando (IEEE, 2024)
Wearable devices capable of recording physiological variables such as pulse and electrodermal activity have become popular in the form of smart watches or bracelets. The measurement is affected by the relative movement of ... -
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
(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 ... -
Audio-Tactile Rendering: A Review on Technology and Methods to Convey Musical Information through the Sense of Touch.
Remache-Vinueza, Byron; Trujillo-León, Andrés; Zapata, Mireya; Sarmiento-Ortiz, Fabián; Vidal-Verdú, Fernando (MDPI, 2021-09-30)
Tactile rendering has been implemented in digital musical instruments (DMIs) to offer the musician haptic feedback that enhances his/her music playing experience. Recently, this implementation has expanded to the development ... -
Caracterización, Modelado y Diseño de Sensores Táctiles Piezorresistivos
(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 ... -
Deep Neural Network to Remove Motion Artifacts from Heart Rate Sensor Embedded on Handle Cane.
Villalba-Bravo, Rafael; Ruiz Barroso, Paula; Castro, Francisco M.; Trujillo-León, Andrés; Guil-Mata, Nicolás; Vidal-Verdú, Fernando[et al.] (IEEE, 2024)
Devices worn on the body that track physiological metrics, such as heart rate (HR) and skin conductance, have gained popularity and are typically found in items like smart-watches and bracelets. However, these measurements ... -
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 ... -
Explorando Chat-GPT para su uso en las asignaturas de Instrumentación Electrónica y Biomédica.
Navas-González, Rafael Jesús; Vidal-Verdú, Fernando (TAEE, 2024)
En este trabajo se explora el uso de la Inteligencia Artificial Generativa (Chat-GPT) en las asignaturas Instrumentación Electrónica e Instrumentación Biomédica como herramienta para introducir y afianzar conceptos teóricos, ...