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Updated: Jan 15, 2026

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

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

Published on: September 1, 2016

Touch Piezoelectric Sensor for Vibration Intensity Testing.

Algimantas Rotmanas¹, Regimantas Bareikis¹, Irmantas Gedzevičius¹

¹Department of Mechanical and Material Engineering, Faculty of Mechanics, Vilnius Gediminas Technical University (VILNIUS TECH), Plytinės Str. 25, LT-10105 Vilnius, Lithuania.

Sensors (Basel, Switzerland)

|October 16, 2025

Summary

This summary is machine-generated.

This study introduces a novel piezo sensor for rapid ultrasonic vibration detection. The lightweight, ergonomic device quickly identifies vibration hotspots on various components, aiding in efficient testing and manufacturing.

Keywords:

piezo sensor piezoelectric materials ultrasonic system vibration testing

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Area of Science:

Mechanical Engineering
Materials Science
Acoustics

Background:

Ultrasonic vibration systems (UVS) are crucial in various industrial applications.
Accurate and rapid detection of ultrasonic vibrations is essential for quality control and system optimization.
Existing methods for vibration analysis can be time-consuming or require specialized equipment.

Purpose of the Study:

To develop a lightweight, ergonomic piezo sensor for rapid detection of ultrasonic vibrations.
To enable quick identification of vibration hotspots on components like ultrasonic concentrators.
To provide a preliminary testing tool for UVS, complementing precise measurement techniques.

Main Methods:

Detailed design and operating principles of the wide frequency range piezo sensor.
Modeling and calculation of vibration forms and modes.
Experimental verification and optimization of sensor design parameters.

Main Results:

The developed piezo sensor effectively detects vibrations in the 20-96 kHz range, common in UVS.
The sensor avoids amplitude peaks and lower mode resonances within its operating frequency range.
It accurately locates points of minimum and maximum vibrations on tested objects.

Conclusions:

The research successfully created a practical piezo sensor for rapid ultrasonic vibration analysis.
This sensor serves as an efficient preliminary tool for identifying critical vibration areas.
The findings will support the design and manufacturing of improved UVS testing devices.