CN115060186B - 基于弱反射率光栅阵列的桥梁主梁安全监测***及方法 - Google Patents
基于弱反射率光栅阵列的桥梁主梁安全监测***及方法 Download PDFInfo
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- CN115060186B CN115060186B CN202210939686.5A CN202210939686A CN115060186B CN 115060186 B CN115060186 B CN 115060186B CN 202210939686 A CN202210939686 A CN 202210939686A CN 115060186 B CN115060186 B CN 115060186B
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- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
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- G—PHYSICS
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
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- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
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- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
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CN116182730B (zh) * | 2023-04-14 | 2023-07-18 | 交通运输部公路科学研究所 | 一种基于光纤光栅阵列传感的桥梁变形监测***及方法 |
CN116625266A (zh) * | 2023-07-24 | 2023-08-22 | 交通运输部公路科学研究所 | 基于光纤光栅阵列的工程结构分布式应变监测***和方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102102998A (zh) * | 2010-12-16 | 2011-06-22 | 华中科技大学 | 基于弱布拉格反射结构光纤的分布式传感*** |
CN108519166A (zh) * | 2018-03-02 | 2018-09-11 | 武汉理工大学 | 一种光纤光栅阵列智能振动定位与温度监测*** |
US10277354B1 (en) * | 2018-02-15 | 2019-04-30 | Futurewei Technologies, Inc. | Efficient mode coupling using ladder fibers |
CN109959403A (zh) * | 2019-03-29 | 2019-07-02 | 武汉理工大学 | 一种多参量大容量传感*** |
CN110181888A (zh) * | 2019-04-02 | 2019-08-30 | 武汉理工大学 | 基于超低反射率fbg阵列传感器的智能蜂窝复合材料 |
CN114575927A (zh) * | 2022-03-16 | 2022-06-03 | 武汉理工大学 | 一种轨道交通安全监测***及方法 |
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WO2013131085A1 (en) * | 2012-03-02 | 2013-09-06 | Ofs Fitel, Llc | Tdm-and wdm-based fbg sensor array system |
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Patent Citations (6)
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CN102102998A (zh) * | 2010-12-16 | 2011-06-22 | 华中科技大学 | 基于弱布拉格反射结构光纤的分布式传感*** |
US10277354B1 (en) * | 2018-02-15 | 2019-04-30 | Futurewei Technologies, Inc. | Efficient mode coupling using ladder fibers |
CN108519166A (zh) * | 2018-03-02 | 2018-09-11 | 武汉理工大学 | 一种光纤光栅阵列智能振动定位与温度监测*** |
CN109959403A (zh) * | 2019-03-29 | 2019-07-02 | 武汉理工大学 | 一种多参量大容量传感*** |
CN110181888A (zh) * | 2019-04-02 | 2019-08-30 | 武汉理工大学 | 基于超低反射率fbg阵列传感器的智能蜂窝复合材料 |
CN114575927A (zh) * | 2022-03-16 | 2022-06-03 | 武汉理工大学 | 一种轨道交通安全监测***及方法 |
Non-Patent Citations (1)
Title |
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基于弱光栅阵列应变传感的驼峰溜放监测方法研究;甘维兵等;《半导体光电》;20200430(第04期);第115-120页 * |
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Inventor after: Yue Lina Inventor after: Nan Qiuming Inventor after: Liu Fang Inventor after: Yang Yan Inventor after: Li Sheng Inventor after: Gan Weibing Inventor after: Jiang Jinpeng Inventor before: Yue Lina Inventor before: Nan Qiuming Inventor before: Liu Fang Inventor before: Yang Yan Inventor before: Li Sheng Inventor before: Gan Weibing Inventor before: Yang Jinpeng |
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