一种推力轴承油膜厚度光纤传感器的网络补偿技术

Research on Compensation Network Technology of an Optical Fiber Sensor ofMeasuring Oil Film Thickness for Thrust Bearing

本文在光纤传感补偿网络基础理论的启发下 ,应用了一种基于压力油介质影响因子的三节点全光纤补偿网络结构 ,建立了一种新型油膜厚度光纤传感器网络补偿数学模型。实测应用表明 :该补偿网络结构与已有的其它网络相比 ,具有性能优良、结构简单、容易实现的特点 ,进一步提高了油膜厚度光纤传感器的测量精度。

In this paper,directed by the basis theory of compensation network with sensor,a new kind of compensation network model with optical fiber sensor of measuring oil film thickness has been set up.Based on a factor that takes effect on pressure lubrication oil,a novel all_fiber compensation network structure with three access_couples is applied.According to the actual application of operating experiment,compared with other conventional network,this structure of compensation network possesses characteristics as fine_property,simple structures and is easy to achieve.The measuring accuracy of optical fiber sensor of measuring oil film thickness is increased deeply.