• 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, ...

• Texture Detection With Feature Extraction on Embedded FPGA 

  Lora Rivera, Raúl; Oballe-Peinado, Óscar; Vidal-Verdú, Fernando (Institute of Electrical and Electronics Engineers Inc., 2023-04-25)

  A feature extraction algorithm for texture detection oriented to its implementation on embedded electronics based on a field-programmable gate array (FPGA) is proposed in this article. Local preprocessing with smart tactile ...

• 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, ...

• 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 ...

• 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 ...

• 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 ...

• Tactile Sensor-Based Steering as a Substitute of the Attendant Joystick in Powered Wheelchairs 

  Trujillo-León, Andrés; Bachta, Wael; Vidal-Verdú, Fernando (IEEE Transactions on Neural Systems and Rehabilitation Engineering, IEEE, 2018)

  Attendant joysticks of powered wheelchairs are devices oriented to help caregivers. Diseases and disabilities such as dementia, spinal cord injuries or blindness make the user unable to drive the chair by his or her own. ...

• 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 ...

• 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 ...

• 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 ...

• 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 ...

• Creep and Hysteresis Compensation in Pressure-Sensitive Mats for Improving Center-of-Pressure Measurements 

  Martínez-Cesteros, Javier; Medrano-Sánchez, Carlos; Castellanos-Ramos, Julián; Sánchez-Durán, José Antonio; Plaza-García, Inmaculada; martinez cesteros[et al.] (IEEE, 2023)

  Large-area tactile sensors are used to image the pressure exerted by human body parts. More specifically, they can be used to measure plantar pressure on human stability tests. The center-of-pressure (CoP) trajectory is ...

• 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 ...

• 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 ...

• 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 ...

• Simplifying Capacitive Sensor Readout Using a New Direct Interface Circuit 

  Hidalgo-López, José Antonio; Castellanos-Ramos, Julián (IEEE, 2022)

  Direct interface circuits (DICs) are efficient for reading resistive, capacitive, or inductive sensors in a digital format. The simplest DICs consist of just a few passive elements that connect a digital processor (DP) to ...

• 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 ...

• Hysteresis correction of tactile sensor response with a generalized Prandtl–Ishlinskii model 

  Sánchez-Durán, José Antonio; Oballe-Peinado, Óscar; Castellanos-Ramos, Julián; Vidal-Verdú, Fernando (Springer-Verlag, 2012)

  Tactile sensors are basically arrays of force sensors. Most of these force sensors are made of polymers or conductive rubber to lower cost, especially in the case of large area low-medium resolution tactile sensors. The ...

• 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 ...

• Simulation Tool for Assessing Driving Strategies for Electric Racing Vehicles. 

  Rosas-Cervantes, Daniel; Fernández-Ramos, José (MDPI, 2023-07-25)

  This article deals with the development of a simulation tool for evaluating the energy consumption of an electric racing vehicle. The tool was carried out in the Matlab/Simulink environment and is based on the equations ...

Más