Related Experiment Video
Updated: Dec 20, 2025
06:17
Production of a Strain-Measuring Device with an Improved 3D Printer
Published on: January 30, 2020
6.4K
Intelligent Technical Textiles Based on Fiber Bragg Gratings for Strain Monitoring.
1Department of Telecommunication, Brno University of Technology, Technicka 12, 616 00 Brno, Czech Republic.
Sensors (Basel, Switzerland)
|May 28, 2020
Summary
This study introduces intelligent technical textiles with fiber Bragg gratings for strain sensing. A novel connector design was developed and tested, demonstrating practical application potential for smart textiles.
Area of Science:
- Materials Science
- Optical Engineering
- Textile Engineering
Background:
- Technical textiles are increasingly integrated with sensing capabilities for advanced applications.
- Optical fibers with Fiber Bragg Gratings (FBGs) offer precise strain and temperature sensing.
- Developing robust and user-friendly integration methods for FBG sensors in textiles is crucial.
Purpose of the Study:
- To introduce the concept design of intelligent technical textile blocks using optical fibers with FBGs.
- To present the design of measurement blocks for strain sensing using integrated FBG elements.
- To develop and verify a robust, low-profile connector for optical fibers in textile applications.
Main Methods:
- Concept design of intelligent textile blocks with integrated optical fibers and FBGs.
- Design and fabrication of specialized measurement blocks for strain monitoring.
- Development and testing of a novel connector for field termination of optical fibers with GRIN lenses.
- Experimental evaluation of the textile block's deformation sensitivity under applied load.
Main Results:
- Successful concept design of intelligent technical textile blocks with FBG integration.
- Demonstrated strain sensing capability of the textile block when subjected to load.
- Development and verification of a unique, robust, low-profile optical fiber connector.
- Achieved an average insertion loss of 5.5 dB for the developed connector.
Conclusions:
- Intelligent technical textiles with integrated FBGs offer a viable platform for strain sensing.
- The novel connector design facilitates practical field implementation of optical sensing in textiles.
- The developed system shows promise for applications requiring embedded strain monitoring in technical textiles.
Related Concept Videos
01:27Measurements of Strain
2.5K
Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
2.5K
01:15Design Example: Strain Gauge Bridge or Wheatstone Bridge
845
The utilization of strain gauges as transducers for converting mechanical strain into electrical signals is a common practice in various engineering applications. These strain gauges are frequently integrated into Wheatstone bridge circuits to accurately measure parameters such as force or pressure. Within this context, each element within the circuit exhibits a resistance that undergoes subtle variations when subjected to mechanical strain. The primary objective is to convert minuscule...
845