REAL-TIME MONITORING OF STRUCTURAL VIBRATIONS USING ADVANCED FBG SENSOR NETWORKS

Mouna Garai, Maha Sliti, Noureddine Boudriga

DOI Number
https://doi.org/10.2298/FUEE2504715G
First page
715
Last page
736

Abstract


This paper explores the use of Fiber Bragg Grating (FBG) sensors in structural health monitoring (SHM) systems, emphasizing their role in sustainable urban development. The proposed system integrates a network of FBG sensors to enable real-time monitoring of structural vibrations, ensuring early detection of potential failures. Compared to conventional monitoring systems, our approach provides improved accuracy, enhanced durability, and resistance to electromagnetic interference. Additionally, the system allows for precise measurements of fiber deformation and sensor displacement in response to external conditions such as strain and environmental factors. A comparative analysis, based  on literature benchmarks, demonstrates that the proposed FBG-based approach offers superior sensitivity, higher scalability, and more efficient data acquisition. Key performance metrics such as response time, strain sensitivity, and measurement precision highlight its advantages over traditional SHM techniques. These features make FBG sensors an optimal solution for monitoring infrastructure such as bridges, buildings, and railway networks, thereby contributing to the sustainability and longevity of urban structures.


Keywords

Fiber Bragg Grating, vibration detection, optical sensors, structure health monitoring

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References


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