9 September 2002 Large-scale hybrid monitoring system for temperature, strain, and vibration using fiber Bragg grating sensors
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Abstract
Fiber Bragg grating (FBG) sensor systems have been widely developed and the feasibility of their application to various fields has been demonstrated. However, from the viewpoint of the combination of highly multiplexed system and hybrid sensing of static parameter and dynamic parameter, investigations are not adequate yet. In this paper an interrogation technique for static and dynamic FBG sensors is developed. We demonstrated that the method could measure the temperature within 1°C and detect a frequency signal up to 300Hz. We designed a multiplexing method and evaluated that the multiplexed FBG sensor system was able to monitor a maximum of 192 FBG sensors. As a result, we confirmed the applicability of the system for large-scale monitoring of temperature, strain and vibration.
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Ryoichi Arai, Ryoichi Arai, Akio Sumita, Akio Sumita, Shunichiro Makino, Shunichiro Makino, Tatsuyuki Maekawa, Tatsuyuki Maekawa, Soichiro Morimoto, Soichiro Morimoto, } "Large-scale hybrid monitoring system for temperature, strain, and vibration using fiber Bragg grating sensors", Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); doi: 10.1117/12.482023; https://doi.org/10.1117/12.482023
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