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Multidirectional Cylindrical Piezoelectric Force Sensor: Design and Experimental Validation.

Ye Rim Lee1,2, Justin Neubauer3, Kwang Jin Kim3

  • 1Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea.

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|September 2, 2020
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Summary
This summary is machine-generated.

This study introduces a novel cylindrical piezoelectric sensor capable of detecting multidirectional forces. The new design demonstrates effective force direction detection over a 225° range, validated by simulations and experiments.

Keywords:
cylindrical sensorforce sensormultidirectionalpiezoelectricity

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Sensor Technology

Background:

  • Existing piezoelectric force sensor designs, often using bump structures or specific electrodes, have limitations.
  • Detecting multidirectional forces requires innovative sensor architectures.

Purpose of the Study:

  • To propose and investigate a new design for cylindrical piezoelectric sensors.
  • To enable the detection of multidirectional forces with enhanced capabilities.

Main Methods:

  • Finite element method (FEM) simulations were employed to analyze the sensor design.
  • Fabrication of a prototype cylindrical piezoelectric sensor.
  • Experimental validation of the sensor's performance under various force applications.

Main Results:

  • The proposed sensor, featuring a 4x4 array of row and column elements, can determine force direction.
  • The sensor successfully detected forces across a 225° area around its central axis.
  • Simulation results closely matched experimental data, confirming the sensor's efficacy.

Conclusions:

  • The novel cylindrical piezoelectric sensor design effectively detects multidirectional forces.
  • The sensor's ability to determine force direction is robust, as confirmed by both simulation and experimentation.
  • This design offers a promising advancement for force sensing applications requiring multidirectional capabilities.