JPWO2021176667A1 - - Google Patents
Info
- Publication number
- JPWO2021176667A1 JPWO2021176667A1 JP2022504896A JP2022504896A JPWO2021176667A1 JP WO2021176667 A1 JPWO2021176667 A1 JP WO2021176667A1 JP 2022504896 A JP2022504896 A JP 2022504896A JP 2022504896 A JP2022504896 A JP 2022504896A JP WO2021176667 A1 JPWO2021176667 A1 JP WO2021176667A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
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- 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
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
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)
| Publication Number | Publication Date |
|---|---|
| JPWO2021176667A1 true JPWO2021176667A1 (https=) | 2021-09-10 |
| JP7306565B2 JP7306565B2 (ja) | 2023-07-11 |
Family
ID=77613284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11788909B2 (https=) |
| JP (1) | JP7306565B2 (https=) |
| WO (1) | WO2021176667A1 (https=) |
Families Citing this family (3)
| 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)
| 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)
| 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 |
-
2020
- 2020-03-05 JP JP2022504896A patent/JP7306565B2/ja active Active
- 2020-03-05 US US17/798,172 patent/US11788909B2/en active Active
- 2020-03-05 WO PCT/JP2020/009515 patent/WO2021176667A1/ja not_active Ceased
Patent Citations (4)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7306565B2 (ja) | 2023-07-11 |
| US11788909B2 (en) | 2023-10-17 |
| US20230152170A1 (en) | 2023-05-18 |
| WO2021176667A1 (ja) | 2021-09-10 |
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