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The Three-Dimensional Human Skin Reconstruct Model: a Tool to Study Normal Skin and Melanoma Progression
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Modeling Electronic Skin Response to Normal Distributed Force.

Lucia Seminara1

  • 1Department of Electrical, Electronics and Telecommunication Engineering and Naval Architecture, via Opera Pia 11A, University of Genoa, Genoa 16145, Italy. lucia.seminara@unige.it.

Sensors (Basel, Switzerland)
|February 7, 2018
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Summary
This summary is machine-generated.

This study models force transmission in electronic skin sensors made of polyvinylidene fluoride (PVDF) piezoelectric polymers. The research estimates the PVDF piezoelectric coefficient, crucial for sensor design and validation.

Keywords:
PVDF sensorselectronic skinskin modelingsolid mechanics

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Sensor Technology

Background:

  • Electronic skin utilizes polyvinylidene fluoride (PVDF) piezoelectric polymers for sensing.
  • Understanding force transmission through elastomer layers is critical for sensor accuracy.

Purpose of the Study:

  • To model normal force transmission in PVDF-based electronic skin.
  • To estimate the PVDF piezoelectric coefficient using experimental data and numerical simulations.
  • To provide a framework for predictive modeling in electronic skin design.

Main Methods:

  • Utilized a simplified Boussinesq half-space model for qualitative analysis.
  • Performed extensive Finite Element Method (FEM) simulations for quantitative analysis.
  • Fitted experimental data from a prototype to estimate the piezoelectric coefficient.

Main Results:

  • The elastomer layer significantly influences force transmission to the PVDF sensor.
  • The estimated PVDF piezoelectric coefficient is dependent on preload.
  • PVDF aging and fatigue lead to a decrease in the piezoelectric coefficient.

Conclusions:

  • Developed a numerical framework for predicting electronic skin sensor output.
  • The study highlights the impact of material degradation on sensor performance.
  • The findings support future advancements in electronic skin design and fabrication validation.