Aydin R. Zadeh
Professor Nadimul Faisal N.H.Faisal@rgu.ac.uk
Markus G.R. Sause
This chapter provides an overview of the use of strain sensors for structural health monitoring. Compared to acceleration-based sensors, strain sensors can measure the deformation of a structure at very low frequencies (up to DC) and enable the measurement of ultrasonic responses. Many existing SHM methods make use of strain measurement data. Furthermore, strain sensors can be easily integrated in (aircraft) structures. This chapter discusses the working principle of traditional strain gauges (Sect. 8.1) and different types of optical fiber sensors (Sect. 8.2). The installation requirements of strain sensors and the required hardware for reading out sensors are provided. We will also give an overview of the advantages and the limitations of commonly used strain sensors. Finally, we will present an overview of the applications of strain sensors for structural health monitoring in the aeronautics field.
VANLANDUIT, S., SORGENTE, M., ZADEH, A.R., GÜEMES, A. and FAISAL, N. 2021. Strain monitoring. In Sause, M.G.R. and Jasiūnienė, E. (eds.) Structural health monitoring damage detection systems for aerospace. Springer aerospace technology. Cham: Springer [online], chapter 8, pages 219-241. Available from: https://doi.org/10.1007/978-3-030-72192-3_8
|Acceptance Date||Sep 23, 2021|
|Online Publication Date||Sep 23, 2021|
|Publication Date||Dec 31, 2021|
|Deposit Date||Oct 1, 2021|
|Publicly Available Date||Oct 1, 2021|
|Series Title||Springer aeorospace technology (SAT)|
|Book Title||Structural health monitoring damage detection systems for aerospace|
|Chapter Number||Chapter 8|
|Keywords||Strain gauge; Optical fibre sensor; Fibre bragg grating; Monitoring; Interferometry; Interrogator|
VANLANDUIT 2021 Strain monitoring (VOR)
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