Self-Evaluation of PANDA-FBG Based Sensing System for Dynamic Distributed Strain and Temperature Measurement

A novel method is introduced in this work for effectively evaluating the performance of the PANDA type polarization-maintaining fiber Bragg grating (PANDA-FBG) distributed dynamic strain and temperature sensing system. Conventionally, the errors during the measurement are unknown or evaluated by usi...

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Bibliographic Details
Published inSensors (Basel, Switzerland) Vol. 17; no. 10; p. 2319
Main Authors Zhu, Mengshi, Murayama, Hideaki, Wada, Daichi
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 12.10.2017
MDPI
Subjects
distributed sensing
dynamic sensing
evaluation
fiber Bragg grating
fiber optic sensor
Self evaluation
strain and temperature
Temperature measurement
Thermocouples
evaluation
distributed sensing
strain and temperature
fiber Bragg grating
fiber optic sensor
dynamic sensing
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Summary:A novel method is introduced in this work for effectively evaluating the performance of the PANDA type polarization-maintaining fiber Bragg grating (PANDA-FBG) distributed dynamic strain and temperature sensing system. Conventionally, the errors during the measurement are unknown or evaluated by using other sensors such as strain gauge and thermocouples. This will make the sensing system complicated and decrease the efficiency since more than one kind of sensor is applied for the same measurand. In this study, we used the approximately constant ratio of primary errors in strain and temperature measurement and realized the self-evaluation of the sensing system, which can significantly enhance the applicability, as well as the reliability in strategy making.
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Current address: 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan.
ISSN:1424-8220
1424-8220
DOI:10.3390/s17102319