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A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

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Published on: September 30, 2019

Multi-Dimensional Mechanical Mapping Sensor Based on Flexoelectric-Like and Optical Signals.

Peng Zhang¹, Zhaowei Teng^2,3, Lei Zhao^4,5

¹Faculty of Materials Science and Engineering, Key Laboratory of Advanced Materials of Yunnan Province, Kunming University of Science and Technology, Kunming, 650093, P. R. China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|April 20, 2023

Summary

This summary is machine-generated.

This study introduces a novel composite sensor for mechanical stimuli, simultaneously using optical and electronic signals. This innovation enables detailed mechanical action analysis for advanced human-machine interfaces and wearable devices.

Keywords:

flexoelectric-like effect intelligent perception mechano-luminescence optical signals

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Area of Science:

Materials Science
Nanotechnology
Sensor Technology

Background:

Mechanical sensors are crucial for human-machine interactions and wearables.
Integrated sensing of mechanical variables like velocity and direction remains challenging.

Purpose of the Study:

To develop an integrated sensor capable of simultaneously detecting and describing mechanical actions using optical and electronic signals.
To explore the potential of a Nafion@Ag@ZnS/polydimethylsiloxanes (PDMS) composite for multi-modal mechanical sensing.

Main Methods:

Fabrication of a Nafion@Ag@ZnS/PDMS composite sensor.
Utilizing mechano-luminescence (ML) from ZnS/PDMS and flexoelectric-like effects from Nafion@Ag.
Simultaneous optical and electronic signal transduction for mechanical action analysis.

Main Results:

The sensor successfully detected mechanical stimulation magnitude, direction, velocity, and mode.
Visualization of stress distribution was achieved.
Demonstrated excellent cyclic stability, linearity, and rapid response times.

Conclusions:

The developed composite sensor offers simultaneous optical and electronic readouts for comprehensive mechanical sensing.
This technology paves the way for smarter human-machine interfaces in wearable devices and robotic applications.