Listar por autor "Hidalgo-López, José Antonio"
Mostrando ítems 1-20 de 25
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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 ... -
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 ... -
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 ... -
Direct interface circuits for resistive sensors affected by lead wire resistances
Hidalgo-López, José Antonio (Elsevier, 2023-08)
This article proposes two novel circuits for the digital readout of resistive sensors with parasitic series resistances caused by the lead wire needed to connect remote sensors. Both circuits are based on so-called direct ... -
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 ... -
Fast Calibration Methods for Resistive Sensor Readout Based on Direct Interface Circuits
Hidalgo-López, José Antonio; Botín-Córdoba, Jesús Alberto; Sánchez-Durán, José Antonio; Oballe-Peinado, Óscar (MDPI, 2019-09-07)
A simple method to measure the resistance of a sensor and convert it into digital information in a programmable digital device is by using a direct interface circuit. This type of circuit deduces the value of the resistor ... -
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 ... -
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 ... -
Improved calibration method for resistive sensors using direct interface circuits
Hidalgo-López, José Antonio; Botín-Córdoba, Jesús Alberto; Sánchez-Durán, José Antonio; Tejero-Calado, Juan Carlos; Oballe-Peinado, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2019-12-10)
Traditional calibration methods for measuring resistance values using a direct interface circuit, comprising a capacitor and some calibration resistors, offer a straightforward, economical option. However, such methods ... -
Influence of Errors in Tactile Sensors on Some High Level Parameters Used for Manipulation with Robotic Hands
Sánchez-Durán, José Antonio; Hidalgo-López, José Antonio; Castellanos-Ramos, Julián; Oballe-Peinado, Óscar; Vidal-Verdú, Fernando (MDPI, 2015)
Tactile sensors suffer from many types of interference and errors like crosstalk, non-linearity, drift or hysteresis, therefore calibration should be carried out to compensate for these deviations. However, this procedure ... -
Interface for tactile sensors based on direct connection to a FPGA
Oballe-Peinado, Óscar; Castellanos-Ramos, Julián; Hidalgo-López, José Antonio; Vidal-Verdú, Fernando; Macicior, Haritz; Ochoteco, Estíbalitz[et al.] (IEEE, 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 ... -
Mejora de la medida de sensores resistivos en circuitos de interfaz directa
Hidalgo-López, José Antonio; Botín-Córdoba, Jesús Alberto; Sánchez-Durán, José Antonio; Oballe-Peinado, Óscar (2019-07-08)
Los métodos tradicionales de calibración para la medida de resistencias mediante la utilización de un Circuito de Interfaz Directa, compuesto por un condensador y algunas resistencias de calibración, son una opción barata ... -
Mejora de un laboratorio remoto de Electrónica Digital mediante el uso de una Raspberry Pi 4
Oballe-Peinado, Óscar; Castellanos-Ramos, Julián; Sánchez-Durán, José Antonio; Navas-González, Rafael Jesús; Hidalgo-López, José Antonio (Asociación TAEE, 2022-07)
Tras la puesta en marcha de una primera versión de un laboratorio remoto de Electrónica Digital, surgen nuevas necesidades y mejoras, sobre todo en términos de escalabilidad y de nuevos periféricos. En este trabajo se ... -
Method to reduce quantization error in direct interface circuits for resistive sensors
Hidalgo-López, José Antonio; Sánchez-Durán, José Antonio; Oballe-Peinado, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2020-02-03)
Reading resistive sensors and converting their information to digital values is a matter of great interest in practical applications. Direct Interface Circuits (DICs) perform this task efficiently through a resistance-to ... -
Propuesta y Evaluación de Algoritmos para la Corrección de Errores en Sensores Táctiles
Sánchez-Durán, José Antonio (Servicio de Publicaciones y Divulgación Científica, 2016)
Los sensores táctiles suelen ser matrices de unidades detectoras denominadas tácteles, utilizados habitualmente en robótica para proporcionar capacidades de percepción en aplicaciones que requieren de contacto físico con ... -
Quasi single point calibration method for high-speed measurements of resistive sensors
Botín-Córdoba, Jesús Alberto; Oballe-Peinado, Óscar; Sánchez-Durán, José Antonio; Hidalgo-López, José Antonio (MDPI, 2019-09-30)
Direct interface circuits are a simple, inexpensive alternative for the digital conversion of a sensor reading, and in some of these circuits only passive calibration elements are required in order to carry out this ...