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首页> 外文期刊>IEEE sensors journal >Design and Modeling of a High Sensitivity Fiber Bragg Grating-Based Accelerometer
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Design and Modeling of a High Sensitivity Fiber Bragg Grating-Based Accelerometer

机译：基于高灵敏度光纤布拉格光栅的加速度计的设计与建模

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摘要

Use of a detailed theoretical model has allowed the optimization of the design of a high sensitivity accelerometer, based on a fiber Bragg grating (FBG) and an accelerometer based on this design has been demonstrated experimentally. With a universal model based on double-point encapsulation established, the performance of the device in terms of its optimal sensitivity and frequency distribution has been analyzed, with an optimization 'figure of merit' using the product of the sensitivity and the resonant frequency being presented. The experimental results obtained indicate that the FBG-based accelerometer thus developed shows a broad, flat frequency band, a corresponding flat range sensitivity of similar to 152.0pm/G, a resonant frequency of 441.0Hz, and a cross-axis sensitivity of less than 3.6% of the main-axis sensitivity. An accelerometer of this type and with this performance thus has the potential for the important field of low frequency oil-gas seismic exploration.
机译：使用详细的理论模型可以优化基于光纤布拉格光栅（FBG）的高灵敏度加速度计的设计，并已通过实验证明了基于该设计的加速度计。通过建立基于双点封装的通用模型，分析了器件在最佳灵敏度和频率分布方面的性能，并使用灵敏度和谐振频率的乘积给出了优化的“品质因数” 。获得的实验结果表明，由此开发的基于FBG的加速度计显示出宽而平坦的频带，相应的平坦范围灵敏度类似于152.0pm / G，共振频率为441.0Hz，并且横轴灵敏度小于主轴灵敏度的3.6％。因此，这种类型的加速度计具有在低频油气地震勘探的重要领域中的潜力。

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  • 来源
    《IEEE sensors journal》 |2019年第14期|5439-5445|共7页
  • 作者

    Liu Qinpeng; He Xue; Qiao Xueguang; Sun Tong; Grattan Kenneth T. V;

  • 作者单位

    Xian Shiyou Univ, Sch Sci, Key Lab Photoelect Oil Gas Logging & Detecting, Minist Educ, Xian 710072, Shaanxi, Peoples R China;

    Xian Shiyou Univ, Sch Sci, Key Lab Photoelect Oil Gas Logging & Detecting, Minist Educ, Xian 710072, Shaanxi, Peoples R China;

    Xian Shiyou Univ, Sch Sci, Key Lab Photoelect Oil Gas Logging & Detecting, Minist Educ, Xian 710072, Shaanxi, Peoples R China;

    Univ London, Sch Math Comp Sci & Engn, London EC1V 0HB, England;

    Univ London, Sch Math Comp Sci & Engn, London EC1V 0HB, England|Univ London, City Grad Sch, London EC1V 0HB, England;

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  • 正文语种 eng
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  • 关键词

    Fiber Bragg grating (FBG); accelerometer; sensitivity; theoretical model;

    机译：光纤光栅;加速度计;灵敏度;理论模型;

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