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Micro-Image Strain Sensing Method for Displacement and Strain Measurement in One United Sensor
Lixiao Zhang1,2, Xixian Chen1,2, Weijie Li1,2
1School of Civil Engineering, Dalian University of Technology, Dalian 116024, China.
Sensors (Basel, Switzerland)
|January 8, 2023
Summary
This study enhances micro-image strain sensing (MISS) technology to extend measurement ranges for strain and displacement. The improved method offers accurate, efficient structural health monitoring with multifunctional sensors.
Area of Science:
- Materials Science
- Mechanical Engineering
- Civil Engineering
Background:
- Micro-image strain sensing (MISS) is effective for structural health monitoring but has limited measurement ranges.
- Existing MISS technology meets current requirements but has potential for expanded applications.
Purpose of the Study:
- To propose and verify an improved method for increasing the measurement range of strain and displacement using MISS.
- To develop a unified sensor capable of measuring both strain and displacement with varying accuracy requirements.
Main Methods:
- Development of a modified micro-image strain sensing technique.
- Conducting various experimental tests to validate the enhanced measurement capabilities.
Main Results:
- The improved method successfully extends the measurement range for both strain and displacement.
- Experimental verification confirms the efficiency and accuracy of the modified MISS technique.
Conclusions:
- The enhanced MISS method is efficient, accurate, and readily applicable for extending strain and displacement measurements.
- This advancement facilitates the development of multifunctional sensors for comprehensive structural health monitoring.
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