Results 71 to 80 of about 63,023 (340)

Mechanotransducing Organic Electrochemical Diode for Crosstalk‐Inhibited Artificial Skin

open access: yesAdvanced Functional Materials, EarlyView.
An innovative approach is presented to a stretchable mechanotransducing diode that unifies rectification and tactile‐sensing functionality. This approach enables to fabricate the diode that maintains a large rectification ratio (5 × 102) at a high operational frequency (100 Hz).
Taeyeong Kim   +7 more
wiley   +1 more source

Validation and evaluation of a low-cost fabric-based tactile sensor in comparison with an sEMG sensor

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Tactile sensors play an increasingly crucial role in the monitoring of muscle behaviour during diverse activities. Regrettably, accessibility is restricted by the high cost of commercial Electromyography (EMG) systems.
Gasak Abdul-Hussain   +3 more
doaj   +1 more source

GelSlim: A High-Resolution, Compact, Robust, and Calibrated Tactile-sensing Finger

open access: yes, 2018
This work describes the development of a high-resolution tactile-sensing finger for robot grasping. This finger, inspired by previous GelSight sensing techniques, features an integration that is slimmer, more robust, and with more homogeneous output than
Adelson, Edward   +5 more
core   +1 more source

Selection Strategies for Flexible Pressure Sensor Electrode Materials Toward Ultrafast Response

open access: yesAdvanced Functional Materials, EarlyView.
This study reveals, for the first time, how the electrode–organic interface governs the temporal performance of flexible pressure sensors. By pairing high‐conductivity CVD PEDOT with commonly used metal electrodes, the authors demonstrate that interfacial energy alignment dictates microsecond‐scale response, providing a straightforward design strategy ...
Jinwook Baek   +11 more
wiley   +1 more source

SuperTac - tactile data super-resolution via dimensionality reduction

open access: yesFrontiers in Robotics and AI
The advancement of tactile sensing in robotics and prosthetics is constrained by the trade-off between spatial and temporal resolution in artificial tactile sensors.
Neel Patel   +3 more
doaj   +1 more source

A machine learning‐assisted multifunctional tactile sensor for smart prosthetics

open access: yesInfoMat, 2023
The absence of tactile perception limits the dexterity of a prosthetic hand and its acceptance by amputees. Recreating the sensing properties of the skin using a flexible tactile sensor could have profound implications for prosthetics, whereas existing ...
Yue Li   +9 more
doaj   +1 more source

Tactile whole-field imaging sensor on photoelasticity [PDF]

open access: yes, 2007
The paper describes a whole-field imaging sensor developed on the principles of photoelasticity. The sensor produces colored fringe patterns when load is applied on the contacting surface.
Dubey, Venketesh N.   +1 more
core  

A dynamic tactile sensor on photoelastic effect

open access: yes, 2006
Certain photoelastic materials exhibit birefringent characteristics at a very low level of strain. This property of material may be suitable for dynamic or wave propagation studies, which can be exploited for designing tactile sensors.
Crowder, Richard, Dubey, Venketesh
core   +1 more source

Dexterous manipulation of unknown objects using virtual contact points [PDF]

open access: yes, 2019
The manipulation of unknown objects is a problem of special interest in robotics since it is not always possible to have exact models of the objects with which the robot interacts. This paper presents a simple strategy to manipulate unknown objects using
Montaño Sarria, Andrés Felipe   +1 more
core   +2 more sources

Multistackable, Domino‐Overlapped CNT Scaffolds Homogeneously Hybridized with BTO‐P(VDF‐TrFE) for High‐Performance Piezoelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
A multilayer‐stackable carbon nanotuber (CNT) scaffold‐based piezoelectric nanogenerator (CPENG) with domino‐patterned CNT pillars presents high, stable output (12.3 V, size of 1 cm × 1 cm) over 2000 cycles, operates across a wide temperature range, and efficiently converts energy from real‐life stimuli through optimized CNT length, layer stacking, and
Kwangjun Kim   +3 more
wiley   +1 more source

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