面向物联网应用的光纤传感信号实时监测与网络传输系统-电子与通信工程专业论文.docxVIP

优秀毕业论文 精品参考文献资料 面向物联网应用的光纤传感信号实时监测与网络传输系统Abstract 面向物联网应用的光纤传感信号实时监测与网络传输系统 Abstract With the depth development of Internet-related technologies，the Internet has changed from the traditional PC to the mobile Internet and Intemet of things．The Internet of things is a kind of information communication that connects objects and networks to realize the information communication between people and objects， objects and objects，and the intelligent control of objects．Internet of things Can be divided into three parts，including the perception，network and application， respectively,corresponding to the sensor,network technology,client technology,etc．． At present，the sensing level mainly uses the electric sensor,but due to the unique advantages of fiber optic sensors，fiber optic sensor,as the sensing source of the sensor network,is more and more popular．Sensing fiber sensor has high accuracy, immunity to electromagnetic environmental impact，less susceptible to corrosion，easy to transport and signal sensing signal characteristics and SO on，Particularly suitable as the coal chemical industry,oil exploration and data collection’S data acquisition sensor． These characteristics make it easy to networking and remote monitoring． Based on the need of the Internet of things，this paper came up with the real-time monitoring system for fiber optic sensing with multi sensor node，multi physical monitoring．This system uses Fiber Bragg Grating to measure the temperature， pressure and other external physical quantity；demodulates the wavelength of light into electrical signal with the optical demodulator；achieves the data processing through the connection of cable and computers；through LabVIEW software algorithms and data storage；as well as designs three display schemes：website， Android App，485 instrumentation，all based on B／S framework．The valuable feature of this system is-the multi sensor node，the multi-physical monitoring，the sensing warning and SO on,SO that the users can monitor anytime a