Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

362
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
362

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Miniaturizing a Chip-Scale Spectrometer Using Local Strain Engineering and Total-Variation Regularized Reconstruction.

Nano letters·2022
Same author

Ultrathin Optics-Free Spectrometer with Monolithically Integrated LED Excitation.

Micromachines·2022
Same author

Ultrathin Tactile Sensors with Directional Sensitivity and a High Spatial Resolution.

Nano letters·2021
Same author

Designing an Ultrathin Film Spectrometer Based on III-Nitride Light-Absorbing Nanostructures.

Micromachines·2021
Same author

Data-driven modeling of pharmacological systems using endpoint information fusion.

Computers in biology and medicine·2015
Same author

Quantification of wave reflection using peripheral blood pressure waveforms.

IEEE journal of biomedical and health informatics·2015

Related Experiment Video

Updated: Jul 29, 2025

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
09:38

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Published on: November 7, 2016

8.8K

Direct Shear Stress Mapping Using a Gallium Nitride LED-Based Tactile Sensor.

Nathan Dvořák1, Nima Fazeli2, Pei-Cheng Ku1

  • 1Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Ave., Ann Arbor, MI 48109-2122, USA.

Micromachines
|May 27, 2023
PubMed
Summary
This summary is machine-generated.

This study calibrated a tactile sensor using gallium nitride (GaN) nanopillars to directly measure shear force. The sensor accurately quantifies force magnitude and direction for robotic applications without post-processing.

Keywords:
piezoelectric effectroboticsslip detection

More Related Videos

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.7K
Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

12.8K

Related Experiment Videos

Last Updated: Jul 29, 2025

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
09:38

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Published on: November 7, 2016

8.8K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.7K
Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

12.8K

Area of Science:

  • Materials Science
  • Robotics
  • Sensor Technology

Background:

  • Tactile sensing is crucial for robotic manipulation.
  • Existing sensors often require complex data post-processing.
  • Gallium nitride (GaN) nanopillars offer unique piezoelectric properties for sensing.

Purpose of the Study:

  • To calibrate a novel tactile sensor based on GaN nanopillars.
  • To assess the sensor's capability for direct shear force measurement (magnitude and direction).
  • To validate the sensor's performance for robotic tasks.

Main Methods:

  • Utilized GaN nanopillars for tactile sensing.
  • Monitored light emission intensity to determine force magnitude.
  • Employed a commercial force/torque (F/T) sensor for calibration.
  • Performed numerical simulations to correlate F/T sensor readings with shear force on nanopillars.

Main Results:

  • Direct measurement of shear stress was achieved.
  • The sensor demonstrated capability in the range of 3.71 to 50 kPa.
  • Results confirmed the sensor's potential for real-time force feedback.

Conclusions:

  • The GaN nanopillar tactile sensor enables direct shear force measurement.
  • The sensor's performance is suitable for robotic grasping, pose estimation, and item discovery.
  • This technology reduces the need for complex data post-processing in tactile sensing.