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Shape monitoring of morphing wing using micro optical sensors with different embedded depth

机译：使用不同嵌入深度的微光学传感器形状监测变形翼

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摘要

Considering the complex and variability of flight environment of the morphing aircraft, usually it is difficult to solve the real-time wing shape monitoring problem when the aircraft changes its motion state or suffering the wind and waves. In this paper, with the goal of supporting real-time wing shape monitoring of morphing aircraft, three-dimensional (3D) shape monitoring of polyimide film skin for morphing wing based on the embedded Fiber Bragg Grating (FBG) sensor is designed and analyzed. Firstly, the sensitively of FBG sensors with different embedded depth in the polyimide film was analyzed, and the finding is that when the ratio value of upper/lower embedded depth is larger, the sensitively of FBG sensor is higher. Secondly, the wavelength of FBG sensors at different states were obtained, and the center wavelength shift of FBG sensors can be used to measure the bending curvatures of the wing, besides, according to the obtained bending curvatures, the 3D shape of polyimide skin of the morphing wing at different deformation states are reconstructed through interpolation and curve fitting functions. Moreover, several shape reconstruction experiments of the morphing wing were carried out with precise visual measurement, and the maximum error between FBG sensing and visual measurement is 5%. Consequently, the effectiveness of FBG sensing method for wing shape monitoring of morphing aircraft is demonstrated, as well as more potentiality and applicability for the shape monitoring in the field of soft robotics and flexible biosensor monitoring.
机译：考虑到变形飞机的飞行环境复杂和变异，通常难以解决飞机改变其运动状态或遭受风和波浪时的实时翼形监测问题。在本文中，设计并分析了基于嵌入式光纤布拉格光栅（FBG）传感器的用于变形飞机的实时翼形状监测的实时翼形状监测，基于嵌入式光纤布拉格光栅（FBG）传感器的多酰亚胺膜皮肤的形状监测。首先，分析了聚酰亚胺膜中具有不同嵌入深度的FBG传感器的敏感性，并且发现是当上/下嵌入深度的比率较大时，FBG传感器的敏感性更高。其次，获得了不同状态的FBG传感器的波长，并且FBG传感器的中心波长偏移可用于测量机翼的弯曲曲率，并根据所获得的弯曲曲率，基础的三种形状的聚酰亚胺皮肤通过插值和曲线拟合功能重建不同变形状态的变形翼。此外，通过精确的视觉测量进行了变形机翼的多个形状重建实验，FBG感测和视觉测量之间的最大误差为5％。因此，证实了传感器机翼形状监测的FBG传感方法的有效性，以及对软机器人领域和柔性生物传感器监测的形状监测的潜力和适用性。

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  • 来源
    《Optical fiber technology》 |2019年第3期|179-185|共7页
  • 作者

    He Yanlin; Dong Mingli; Sun Guangkai; Meng Fanyong; Song Yanming; Zhu Lianqing;

  • 作者单位

    Beijing Informat Sci & Technol Univ Key Lab Minist Educ Optoelect Measurement Technol & Instr Beijing Peoples R China|Beijing Informat Sci & Technol Univ Beijing Lab Opt Fiber Sensing & Syst Beijing Peoples R China|Beijing Informat Sci & Technol Univ Overseas Expertise Intro Ctr Discipline Innovat 1 Beijing Peoples R China|Beijing Informat Sci & Technol Univ Bion & Intelligent Equipment Lab Beijing Peoples R China;

    Beijing Informat Sci & Technol Univ Key Lab Minist Educ Optoelect Measurement Technol & Instr Beijing Peoples R China|Beijing Informat Sci & Technol Univ Beijing Lab Opt Fiber Sensing & Syst Beijing Peoples R China|Beijing Informat Sci & Technol Univ Overseas Expertise Intro Ctr Discipline Innovat 1 Beijing Peoples R China|Beijing Informat Sci & Technol Univ Bion & Intelligent Equipment Lab Beijing Peoples R China;

    Beijing Informat Sci & Technol Univ Key Lab Minist Educ Optoelect Measurement Technol & Instr Beijing Peoples R China|Beijing Informat Sci & Technol Univ Beijing Lab Opt Fiber Sensing & Syst Beijing Peoples R China|Beijing Informat Sci & Technol Univ Overseas Expertise Intro Ctr Discipline Innovat 1 Beijing Peoples R China|Beijing Informat Sci & Technol Univ Bion & Intelligent Equipment Lab Beijing Peoples R China;

    Beijing Informat Sci & Technol Univ Key Lab Minist Educ Optoelect Measurement Technol & Instr Beijing Peoples R China|Beijing Informat Sci & Technol Univ Beijing Lab Opt Fiber Sensing & Syst Beijing Peoples R China|Beijing Informat Sci & Technol Univ Overseas Expertise Intro Ctr Discipline Innovat 1 Beijing Peoples R China|Beijing Informat Sci & Technol Univ Bion & Intelligent Equipment Lab Beijing Peoples R China;

    Beijing Informat Sci & Technol Univ Key Lab Minist Educ Optoelect Measurement Technol & Instr Beijing Peoples R China|Beijing Informat Sci & Technol Univ Beijing Lab Opt Fiber Sensing & Syst Beijing Peoples R China|Beijing Informat Sci & Technol Univ Overseas Expertise Intro Ctr Discipline Innovat 1 Beijing Peoples R China|Beijing Informat Sci & Technol Univ Bion & Intelligent Equipment Lab Beijing Peoples R China;

    Beijing Informat Sci & Technol Univ Key Lab Minist Educ Optoelect Measurement Technol & Instr Beijing Peoples R China|Beijing Informat Sci & Technol Univ Beijing Lab Opt Fiber Sensing & Syst Beijing Peoples R China|Beijing Informat Sci & Technol Univ Overseas Expertise Intro Ctr Discipline Innovat 1 Beijing Peoples R China|Beijing Informat Sci & Technol Univ Bion & Intelligent Equipment Lab Beijing Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Soft robotic sensor; Shape reconstruction; Fiber Bragg Gratings; Sensitivity; Micro optical sensor;

    机译：软机械传感器;形状重建;光纤布拉格光栅;灵敏度;微光学传感器;

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