1. 华北电力大学电子与通信工程系
2. 华北电力大学河北省电力物联网技术重点实验室
3. 华北电力大学保定市光纤传感与光通信技术重点实验室
纸质出版:2024
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武佳琪, 李永倩, 王健健, 等. 基于分布式应变测量的光纤形状还原算法研究[J]. 传感器与微系统, 2024,(4):157-160.
武佳琪, 李永倩, 王健健, 等. 基于分布式应变测量的光纤形状还原算法研究[J]. 传感器与微系统, 2024,(4):157-160. DOI: 10.13873/J.1000-9787(2024)04-0157-04.
为了验证并行传输标架还原光纤传感器形状的可行性和准确性,设计了基于单模光纤的形状传感器,提出了利用有限元分析方法进行形状传感器建模和分布式应变信息的提取,对比分析了并行传输标架和弗莱纳标架在形状传感器不同弯曲形状和不同应变采样点数下的还原精度。结果表明:并行传输标架进行传感器形状还原时,不仅很好地还原了传感器的形状,而且弥补了在奇点位置前后弗莱纳标架方向发生突变,造成还原结果出现较大误差的不足。并行传输标架的远端位置误差低于光纤总长度的0.003 42%
相较弗莱纳标架,降低了10倍。
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Todd Michael D.,Stull Christopher J.,Dickerson Michael.A Local Material Basis Solution Approach to Reconstructing the Three-Dimensional Displacement of Rod-Like Structures From Strain Measurements[J].Journal of Applied Mechanics,2013.
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