Related Experiment Video
Updated: Nov 7, 2025
09:38
Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
Published on: November 7, 2016
9.0K
Decoupled Monitoring Method for Strain and Cracks Based on Multilayer Patch Antenna Sensor
Zhiping Liu1,2, Qian Guo1, Yuanhao Wang1
1School of Logistic Engineering, Wuhan University of Technology, Wuhan 430063, China.
Sensors (Basel, Switzerland)
|April 30, 2021
Summary
This study introduces a novel multilayer patch antenna sensor for simultaneously monitoring structural strain and cracks. The sensor enables decoupled detection, crucial for advanced intelligent equipment safety.
Area of Science:
- Electrical Engineering
- Materials Science
- Structural Health Monitoring
Background:
- Increasing demand for sophisticated monitoring in intelligent equipment.
- Need for accurate and simultaneous measurement of strain and cracks.
Purpose of the Study:
- To develop and validate a decoupled monitoring method for strain and cracks.
- To design a multilayer patch antenna sensor for this purpose.
Main Methods:
- Analysis of strain and crack decoupling principles.
- Design of a multilayer patch antenna sensor with optimized parameters.
- Simulation and experimental verification of sensor performance.
Main Results:
- Demonstrated ability to decouple strain and crack monitoring.
- Validated the sensor's effectiveness through theoretical analysis, simulation, and experiments.
- Optimized sensor design using a quarter-wavelength impedance converter.
Conclusions:
- The proposed multilayer patch antenna sensor effectively achieves decoupled monitoring of strain and cracks.
- The sensor shows significant potential for applications in structural health monitoring of intelligent equipment.
Related Concept Videos
01:27Measurements of Strain
2.3K
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...
2.3K
01:15Design Example: Strain Gauge Bridge or Wheatstone Bridge
692
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...
692