Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Design Example: Resistive Touchscreen

Design Example: Resistive Touchscreen

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...

You might also read

Related Articles

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

Sort by

Same author

A Robust and Highly Integrated Laser Doppler Velocimeter for High-Precision Velocity Measurement of Hot-Rolled Bars Under Thermal Radiation.

Sensors (Basel, Switzerland)·2026

Same author

Cancer-associated adipocytes promote breast cancer progression by upregulating miR-106b-3p to target SLK.

Discover oncology·2026

Same author

Immune-driven induction of miR-501-5p by IL-17A enhances colorectal cancer progression.

Translational cancer research·2026

Same author

Self-injection locked sub-hertz Brillouin laser enabled by a Möbius-type ring resonator.

Optics express·2026

Same author

The Natural History of Human Papillomavirus (HPV) Infection in Males: Global Evidence From a Systematic Review and Meta-Analysis.

Reviews in medical virology·2026

Same author

A gas-liquid biphasic nanocleaner for breaking the self-amplified vicious cycle of barrier disruption-inflammation in inflammatory bowel disease.

Journal of nanobiotechnology·2026

Search research articles

Related Experiment Video

Updated: Oct 2, 2025

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

New Flexible Tactile Sensor Based on Electrical Impedance Tomography.

Haibin Wu¹, Bingying Zheng¹, Haomiao Wang¹

¹School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, China.

|February 25, 2022

Summary

This study introduces a novel double sensitive layer tactile sensor for secure human-robot interaction. Using Electrical Impedance Tomography (EIT), it accurately detects contact position and force, enabling advanced interaction capabilities.

Keywords:

conductivity electrical impedance tomography human–robot interaction position and force detection tactile sensor

More Related Videos

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Published on: March 17, 2023

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Published on: July 22, 2022

Related Experiment Videos

Last Updated: Oct 2, 2025

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Published on: March 17, 2023

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Published on: July 22, 2022

Area of Science:

Robotics
Sensor Technology
Human-Computer Interaction

Background:

Secure human-computer interaction requires reliable external information acquisition.
Existing tactile sensors face challenges in accurately detecting both position and force of multiple contact points.

Purpose of the Study:

To propose and evaluate a double sensitive layer structured tactile sensor.
To enable detection of one or more contact points and their associated positional and force information.
To enhance the security and capabilities of human-robot interaction.

Main Methods:

The sensor utilizes Electrical Impedance Tomography (EIT) to convert contact-induced conductivity changes into detectable signals.
Positional information processing is performed using the OpenCV toolkit.
Experimental analysis includes evaluating positional detection accuracy and force detection effectiveness, sensitivity, and contact area.

Main Results:

The developed sensor demonstrated effective detection of contact position and force.
Analysis of positional detection errors and accuracy was conducted.
Effectiveness, sensitivity, and contact area for force detection were successfully analyzed.
Multi-object pressure tests confirmed the sensor's performance.

Conclusions:

The proposed double sensitive layer tactile sensor accurately detects contact position and force.
The sensor shows significant promise for applications in human-robot interaction.
This technology enhances the safety and functionality of collaborative robots.