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Updated: May 26, 2026

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

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

Published on: March 17, 2023

A large area tactile sensor patch based on commercial force sensors.

Fernando Vidal-Verdú¹, Maria Jose Barquero, Julián Castellanos-Ramos

¹Department of Electronics, University of Málaga, Málaga 29071, Spain. fvidal@uma.es

Sensors (Basel, Switzerland)

|December 14, 2011

Summary

This summary is machine-generated.

This study introduces a novel, large-area tactile sensor patch using commercial force sensing resistors (FSRs). This robust sensor enhances robot-human interaction safety and performance.

Keywords:

assistive robots force sensing resistors human-machine interaction tactile sensors

Related Experiment Videos

Last Updated: May 26, 2026

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

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

Published on: March 17, 2023

Area of Science:

Robotics
Sensor Technology
Materials Science

Background:

Robots and machines interacting with humans require advanced tactile sensing capabilities.
Existing large-area tactile sensors are often custom-built or lab-developed, limiting scalability and foreseeability.
There is a need for robust, easily implementable large-area tactile sensors.

Purpose of the Study:

To design and implement a novel large-area tactile sensor patch for robots and machines.
To utilize commercial force sensing resistors (FSRs) as the core sensing elements for enhanced robustness and predictable response.
To address design challenges including sensor modification, array assembly, and signal conditioning.

Main Methods:

Development of a tactile sensor patch comprising an array of 16x9 commercial polymeric force sensing resistors (FSRs).
Mounting the FSR array on a flexible printed circuit board with a spatial resolution of 18.5 mm.
Implementation of signal conditioning and testing with a force range of 6 N and sensitivity of 0.6 V/N.

Main Results:

The developed tactile sensor patch demonstrates a robust design using commercial FSRs.
The sensor array achieves a spatial resolution of 18.5 mm and operates at 78 frames per second.
Successful application examples were demonstrated with the sensor mounted on a rescue robot.

Conclusions:

The novel tactile sensor patch offers a scalable and robust solution for large-area sensing in human-robot interaction.
The use of commercial FSRs provides a predictable sensor response and simplifies implementation.
This technology has significant potential for enhancing safety and functionality in collaborative robotics.