中国机械工程 ›› 2013, Vol. 24 ›› Issue (07): 980-988.

• 学科发展 • 上一篇    下一篇

超声激励-光纤光栅检测技术的研究与发展

孟丽君1;谭跃刚1;周祖德1;梁宝逵2;杨文玉3   

  1. 1.武汉理工大学,武汉,430070
    2.沈阳发动机设计研究所,沈阳,110015
    3.华中科技大学,武汉,430074
  • 出版日期:2013-04-10 发布日期:2013-04-27
  • 基金资助:
    国家自然科学基金资助项目(50935005,51075313);湖北省重点实验室开放基金资助项目(BWCSN201012)
    National Natural Science Foundation of China(No. 50935005,51075313)

Research and Development of Fiber Bragg Gratings Detection Technology Based on Ultrasonic Excitation

Meng Lijun1;Tan Yuegang1;Zhou Zude1;Liang Baokui2;Yang Wenyu3   

  1. 1.Wuhan University of Technology,Wuhan,430070
    2.Shenyang Institute of Engine Design,Shenyang,110015
    3.Huazhong University of Science and Technology,Wuhan,430074
  • Online:2013-04-10 Published:2013-04-27
  • Supported by:
    National Natural Science Foundation of China(No. 50935005,51075313)

摘要:

超声激励-光纤光栅检测技术兼具光纤光栅的抗电磁干扰、分布式传感及超声波的方向性好、穿透能力强等多项优点,国外已有很多高校和研究机构对此展开研究,而国内还未见相关报道。总结了超声激励-光纤光栅检测技术的三个关键问题——超声激励下光纤光栅的高速解调技术、光纤光栅的应变传递特性和敏感特性的研究进展及该技术的应用概况,分析了存在的问题及发展方向。

关键词: 光纤光学, 光纤光栅, 超声激励, 损伤检测, 研究进展

Abstract:

The FBG detection technique has several advantages of FBG in electromagnetic interference immunity, distributed sensing and the ultrasonic features such as good directivity, high penetrating power. A review of the FBG high speed demodulation method, FBG strain transferring characteristics and sensitivity property was given as well as the application of this technique in health monitoring was analyzed. Finally, the existing problems and future directions were outlined and proposed.

Key words: fiber optics, fiber Bragg grating(FBG), ultrasonic excitation, damage detection, research and development

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