JP7306565B2 - テープ心線を用いた測定装置及び測定方法 - Google Patents

テープ心線を用いた測定装置及び測定方法 Download PDF

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Publication number
JP7306565B2
JP7306565B2 JP2022504896A JP2022504896A JP7306565B2 JP 7306565 B2 JP7306565 B2 JP 7306565B2 JP 2022504896 A JP2022504896 A JP 2022504896A JP 2022504896 A JP2022504896 A JP 2022504896A JP 7306565 B2 JP7306565 B2 JP 7306565B2
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Prior art keywords
strain
core wires
amount
torsion
curvature
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JP2022504896A
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Japanese (ja)
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JPWO2021176667A1 (https=
Inventor
篤志 中村
大輔 飯田
博之 押田
達也 岡本
友和 小田
佳史 脇坂
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • 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
    • G01D5/26—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028—Force sensors associated with force applying means
    • G01L5/0042—Force sensors associated with force applying means applying a torque

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP2022504896A 2020-03-05 2020-03-05 テープ心線を用いた測定装置及び測定方法 Active JP7306565B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/009515 WO2021176667A1 (ja) 2020-03-05 2020-03-05 テープ心線を用いた測定装置及び測定方法

Publications (2)

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JPWO2021176667A1 JPWO2021176667A1 (https=) 2021-09-10
JP7306565B2 true JP7306565B2 (ja) 2023-07-11

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JP2022504896A Active JP7306565B2 (ja) 2020-03-05 2020-03-05 テープ心線を用いた測定装置及び測定方法

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US (1) US11788909B2 (https=)
JP (1) JP7306565B2 (https=)
WO (1) WO2021176667A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4455617A4 (en) * 2021-12-24 2025-12-17 Ntt Inc FORM MEASURING SYSTEM AND FORM MEASURING METHOD
JP7810968B2 (ja) * 2022-09-07 2026-02-04 Ｎｔｔ株式会社 構造物に加わる応力集中を検出可能にするシステム及び方法
WO2026071175A1 (ja) * 2024-09-30 2026-04-02 古河電気工業株式会社 ケーブルの形状センシングシステムおよび電力ケーブル

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001304822A (ja) 2000-04-24 2001-10-31 Fujikura Ltd 光ファイバセンサおよび監視システム
JP2001324358A (ja) 2000-05-12 2001-11-22 Fujikura Ltd 光ファイバセンサ
JP2003028618A (ja) 2001-07-10 2003-01-29 Fujikura Ltd 歪み検知用光ケーブルおよびこれを用いた歪み検知装置
JP2004517331A (ja) 2001-01-11 2004-06-10 カナディアン・スペース・エージェンシー 位置形態及び運動測定ツール

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127672A (en) * 1997-05-23 2000-10-03 Canadian Space Agency Topological and motion measuring tool
US7781724B2 (en) * 2004-07-16 2010-08-24 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto
JP5611168B2 (ja) * 2011-10-24 2014-10-22 信越化学工業株式会社 光ファイバの曲率の測定方法
US8746076B2 (en) * 2012-08-22 2014-06-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Shape sensing using a multi-core optical fiber having an arbitrary initial shape in the presence of extrinsic forces
WO2016099976A1 (en) * 2014-12-15 2016-06-23 Intuitive Surgical Operations, Inc. Dissimilar cores in multicore optical fiber for strain and temperature separation
CN108603977B (zh) * 2016-05-11 2020-08-07 直观外科手术操作公司 具有用于安全性的冗余纤芯的多纤芯光学纤维
EP3627112A1 (en) * 2018-09-20 2020-03-25 Koninklijke Philips N.V. Optical fiber sensor
US20220364846A1 (en) * 2019-09-03 2022-11-17 Nippon Telegraph And Telephone Corporation Fiber optic cable sensing device, fiber optic cable sensing method, and program

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001304822A (ja) 2000-04-24 2001-10-31 Fujikura Ltd 光ファイバセンサおよび監視システム
JP2001324358A (ja) 2000-05-12 2001-11-22 Fujikura Ltd 光ファイバセンサ
JP2004517331A (ja) 2001-01-11 2004-06-10 カナディアン・スペース・エージェンシー 位置形態及び運動測定ツール
JP2003028618A (ja) 2001-07-10 2003-01-29 Fujikura Ltd 歪み検知用光ケーブルおよびこれを用いた歪み検知装置

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US11788909B2 (en) 2023-10-17
US20230152170A1 (en) 2023-05-18
JPWO2021176667A1 (https=) 2021-09-10
WO2021176667A1 (ja) 2021-09-10

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