Listar E - Artículos por título
Mostrando ítems 1-20 de 42
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A Comparative Investigation of Cutaneous Rabbit and Funneling Tactile Illusions for Implementation in Vibrotactile Displays.
(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
(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
(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
(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
(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
(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
(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
(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 ... -
Adding Proximity Sensing Capability to Tactile Array Based on Off-the-Shelf FSR and PSoC
(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
(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 ... -
Analysis of Light Grip Influence on Standing Posture.
(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, ... -
Assistive handlebar based on tactile sensors: control inputs and human factors
(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.
(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 ... -
Creep and Hysteresis Compensation in Pressure-Sensitive Mats for Improving Center-of-Pressure Measurements
(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 ... -
Direct interface circuits for resistive sensors affected by lead wire resistances
(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 ... -
Driving Interface Based on Tactile Sensors for Electric Wheelchairs or Trolleys
(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 ... -
Fast Calibration Methods for Resistive Sensor Readout Based on Direct Interface Circuits
(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
(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 ... -
Generation of Gait Events with a FSR Based Cane Handle.
(MDPI, 2021-08-21)Gait analysis has many applications, and specifically can improve the control of prosthesis, exoskeletons, or Functional Electrical Stimulation systems. The use of canes is common to complement the assistance in these ... -
High-Accuracy Readout Electronics for Piezoresistive Tactile Sensors
(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 ...