复合基底柔性光纤曲率传感器

何彦霖; 张旭; 孙广开; 宋言明; 祝连庆

doi:10.3788/OPE.20192706.1263

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复合基底柔性光纤曲率传感器

生命科学仪器 | 更新时间：2020-08-13

- 复合基底柔性光纤曲率传感器
- Flexible curvature sensor based on composite substrate
- 光学精密工程 2019年27卷第6期页码：1263-1269
- 作者机构：
  
  北京信息科技大学仪器科学与光电工程学院，北京 100016
- 作者简介：
  
  [ "何彦霖 (1988-)，女，甘肃人，讲师，2011年于兰州交通大学获得工学学士和文学学士双学位，2018年于北京理工大学获得博士学位，主要从事光纤传感及其应用、智能材料微型机器人、软体机器人等方面的研究。E-mail：heyanlin@bit.edu.cn" ]
  祝连庆 (1963-)，男，浙江人，教授，北京学者，1982年、1989年于合肥工业大学分别获得学士、硕士学位，2013年于哈尔滨工业大学获得博士学位，主要从事软体机器人、光纤传感及光电精密测试技术等方面的研究。E-mail：zlq_2018@sina.com ZHU Lian-qing. E-mail:zlq_2018@sina.com
- 基金信息：
  
  北京市教育委员会科技计划一般项目(KM201911232005);(原)总装备部预研项目(6140414030101)
- DOI：10.3788/OPE.20192706.1263
  中图分类号： TN253; TH73
- 收稿日期：2018-12-24，
  
  录用日期：2019-1-21，
  
  纸质出版日期：2019-06-15
- 稿件说明：
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何彦霖, 张旭, 孙广开, 等. 复合基底柔性光纤曲率传感器[J]. 光学精密工程, 2019,27(6):1263-1269.

Yan-lin HE, Xu ZHANG, Guang-kai SUN, et al. Flexible curvature sensor based on composite substrate[J]. Optics and precision engineering, 2019, 27(6): 1263-1269.
何彦霖, 张旭, 孙广开, 等. 复合基底柔性光纤曲率传感器[J]. 光学精密工程, 2019,27(6):1263-1269. DOI： 10.3788/OPE.20192706.1263.

Yan-lin HE, Xu ZHANG, Guang-kai SUN, et al. Flexible curvature sensor based on composite substrate[J]. Optics and precision engineering, 2019, 27(6): 1263-1269. DOI： 10.3788/OPE.20192706.1263.

摘要

为了实现生物医疗领域软体手术机器人等柔性机构的曲率测量，本文提出并设计了基于PVC(Polyvinyl Chloride，聚氯乙烯)和硅胶复合基底的光纤布拉格光栅柔性曲率传感器。将光纤光栅植入到硅胶片中，并将硅胶片粘贴在PVC基底的表面，形成基于PVC和硅胶复合基底的曲率传感器。使用标准曲率校准块对传感器进行了校准实验，测试不同曲率下传感器的反射光谱、波长漂移量等参数。为了证明PVC基底对植入在硅胶中FBG传感器的性能影响，对基于PVC和硅胶复合基底和基于硅胶基底的传感器进行了灵敏度和重复性的实验测试。实验结果表明：PVC基底可以提高植入硅胶中FBG曲率传感器的灵敏度和重复性，且基于PVC-硅胶复合基底的传感器灵敏度最高可达245.5 pm/m

-1

，偏差指数不足3%。该传感器在生物医学等软体机器人和柔性机构的曲率测量中具有广阔的应用前景。

Abstract

To meet the demand for curvature measurements in the fields of intelligent biomedical equipment and soft robotics

among others

a flexible curvature sensor based on a polyvinyl chloride (PVC) and silicone composite substrate was proposed and has been designed. Firstly

a fiber Bragg grating (FBG) sensor was embedded into a silicone film

which was pasted onto the surface of a PVC substrate. Then

calibration experiments were carried out to evaluate the reflection spectrum and wavelength shift of the sensor. Finally

the sensitivity and repeatability of the sensor based on the composite and silicone substrates were tested experimentally. The experimental results show that the sensitivity and repeatability of the FBG curvature sensor can be improved by using a PVC-reinforced substrate. The maximum sensitivity of the FBG sensor with the composite substrate is 245.5 pm/m

-1

and its deviation index is less than 3%. The sensor has wide application prospects in the fields of soft robotics and biomedical curvature measurements.

关键词

Keywords

references

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