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SHAPE RECONSTRUCTION FOR STRUCTURAL DEFORMATION

FBG sensing with Integrated Photonics can well be used for Structural Health Monitoring for various structures based on the temperature-compensated strain levels. By taking the advantage of the high sample rate of our Gator product family, with given structural information and the measured strain level, it becomes possible to capture, analysis, and reconstruct the deformed shape of the monitored structure in high-speed (52 μs/sample).

Technobis has been involved in many projects and experiments where stain measurements were used to obtain shape and vibration information:

1. Large buildings

2. Airplane wings

3. Helicopter blades

4. Vibration on composite panels

5. Etc…

Based on the measured strain level and given structure information, we can apply Frenet-Serret formulas to reconstruct the shape of the deformed structure. In addition, by arranging FBG strain sensors as a Rosette strain gage, the bending and torsional deformation of the structure can be monitored simultaneously.

SHAPE RECONSTRUCTION FOR STRUCTURAL DEFORMATION

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