基于分布式FBG的智能家居环境测控系统研究

Research on smart home environment measurement and control system based on distributed FBG

基于分布式光纤布拉格光栅(FBG)的分布式测量以及FBG的测量精度高、体积小、不易腐蚀等优点,将其应用于智能家居环境监测进行研究。系统中采用可调谐F-P(Fabry-Perot)滤波法解调原理,利用可编程逻辑器件FPGA设计了一种结构简单、解调速度快、可实时测量的光纤光栅解调系统,实现了对家居环境的实时测量,并进行安全报警、温度自动调节等操作。仿真实验表明,系统测量精度和灵敏度高,运行稳定可靠,具有一定的实用价值和应用前景。

Distributed optical fiber grating（FBG） is applyedon smart home environment monitoring because of its advantages such as high precision, small size, easy to corrosion, which is based on distributed fiber Prague grating. The system is based on a tunable F-P filter demodulation（Fabry-Perot） principle, designed a simple structure, high speed andreal-time measurement of fiber grating demodulation systemby using the programmable logic device FPGA realized the real-time measurement of the Home Furnishing environment, safety alarm, automatic temperature control and other operations？ The simulation result shows that the system has highly accuracy and sensitivity, stable operating, certain practical value and application prospect？