Listar por departamento/instituto "Electrónica"
Mostrando ítems 1-20 de 105
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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 proposal to eliminate the impact of crosstalk on resistive sensor array readouts
Hidalgo-López, José Antonio; Oballe-Peinado, Óscar; Sánchez-Durán, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2020-06-26)
Completely eliminating crosstalk effect is the most important challenge when reading a resistive sensor array with M rows and N columns. It may require complex electronics, ranging from a large number of multiplexers and ... -
A Simple front-end for pulse oximeters with a direct light-to-time-to-iigital interface circuit
Hidalgo-López, José Antonio (IEEE Xplore, 2023-11-21)
Pulse oximeters are electronic devices that pro- vide the values of two physiological parameters: heart rate (HR) and functional O2 saturation, SpO2. Acquiring this infor- mation requires a photodiode and a set of red ... -
A simple interface circuit for digital readout of lossy capacitive sensors
Hidalgo-López, José Antonio (Elsevier, 2023-11)
Direct Interface Circuits (DICs) allow straightforward digital reading from a range of sensors. Their architecture consists of a few passive components that help a digital processor (DP) perform a series of charge and ... -
A simple method for a digital readout of Randles impedances
Hidalgo-López, José Antonio (IEEE, 2024-01-02)
The Randles impedance model (RIM) characterizes a wide range of physical phenomena. The model comprises three elements: a resistor in series with a combination of a capacitor and another resistor arranged in parallel. This ... -
A specific photovoltaic panel for an ultra-light electric vehicle focused on urban mobility
Nowadays, electric vehicles are considered the best alternative to achieve sustainable urban mobility. However, the extended implementation is conditional to a sufficient number of charging stations and the design of a new ... -
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 ... -
An estimation of triaxial forces from normal stress tactile sensor arrays
Pinto-Salamanca, María L.; Castellanos-Ramos, Julián; Pérez-Holguín, Wilson J.; Hidalgo-López, José Antonio (Elsevier, 2023-10-04)
This work proposes a new method to find an optimal solution of the inverse problem of the Boussinesq equation for ill-posed problems, applicable in the reconstruction of triaxial forces for processing contact data in tactile ... -
Analizar y comparar el lenguaje de alto nivel SystemC frente a los de HDL. aplicación al diseño de sistemas de computo
(2016-05-20)La complejidad de los sistemas actuales de computación ha obligado a los diseñadores de herramientas CAD/CAE a acondicionar lenguajes de alto nivel, tipo C++, para la descripción y automatización de estructuras algorítmicas ... -
Analysis of Light Grip Influence on Standing Posture.
Bellicha, Angélina; Trujillo-León, Andrés; Vérité, Fabien; Bachta, Wael (MDPI, 2021-12-08)
Upright posture control and gait are essential for achieving autonomous daily living activities. Postural control of upright posture relies, among others, on the integration of various sensory information. In this context, ... -
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 ...