首页|Digital monitoring for heavy duty mechanical equipment based on fiber Bragg grating sensor
Digital monitoring for heavy duty mechanical equipment based on fiber Bragg grating sensor
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The digital monitoring principle and technologies for heavy duty mechanical equipment based on fiber Bragg grating (FBG) technology are introduced in this paper. The fundamentals of new-style FBG sensing technology, including the photorefracUve effect of FBG, the physical formation, and the rela-tion between optical properties and grating parameters, are investigated. The plaster, encapsulation and distribution planning of FBG sensor (FBGS), which is used to monitor heavy duty mechanical equipment under abominable environment and extreme conditions, are also studied. In addition, theo-retical and experimental researches on the strain, temperature, displacement, and stress transmission characteristics between FBGS and detection interface are presented. The principle and method for temperature compensation in non-uniformity temperature field are described in detail as well. Com-paring with the traditional sensing monitoring techniques, the application of FBGS technology on digital monitoring and diagnosis for heavy duty mechanical equipment has a number of significant technical advantages and will make a new breakthrough in this field.
School of Mechatronics Engineering, Wuhan University of Technology, Hubei 430070, China
Key Laboratory of Fiber Optic Sensing Technology and Information Processing (Wuhan University of Technology), Ministry of Education, Hubei 430070, China
NETL
NSTL
万方数据
维普
