JPWO2022176047A1 - - Google Patents
Info
- Publication number
- JPWO2022176047A1 JPWO2022176047A1 JP2023500173A JP2023500173A JPWO2022176047A1 JP WO2022176047 A1 JPWO2022176047 A1 JP WO2022176047A1 JP 2023500173 A JP2023500173 A JP 2023500173A JP 2023500173 A JP2023500173 A JP 2023500173A JP WO2022176047 A1 JPWO2022176047 A1 JP WO2022176047A1
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
- 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
- G01D5/35338—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 using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/48—Overhead installation
- G02B6/483—Installation of aerial type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/005852 WO2022176047A1 (ja) | 2021-02-17 | 2021-02-17 | 電柱位置特定方法及び架空光ファイバケーブルの状態推定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022176047A1 true JPWO2022176047A1 (https=) | 2022-08-25 |
| JP7491458B2 JP7491458B2 (ja) | 2024-05-28 |
Family
ID=82930306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023500173A Active JP7491458B2 (ja) | 2021-02-17 | 2021-02-17 | 電柱位置特定方法及び架空光ファイバケーブルの状態推定方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12553769B2 (https=) |
| EP (1) | EP4296633A4 (https=) |
| JP (1) | JP7491458B2 (https=) |
| CN (1) | CN116917703A (https=) |
| WO (1) | WO2022176047A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11881688B2 (en) * | 2021-04-12 | 2024-01-23 | Nec Corporation | Dynamic anomaly localization of utility pole wires |
| WO2024057492A1 (ja) * | 2022-09-15 | 2024-03-21 | 日本電信電話株式会社 | 振動分布波形から電柱位置を特定する方法 |
| WO2024166295A1 (ja) * | 2023-02-09 | 2024-08-15 | 日本電信電話株式会社 | 設備位置解析装置及び設備位置解析方法 |
| WO2025238718A1 (ja) * | 2024-05-14 | 2025-11-20 | Ｎｔｔ株式会社 | 信号処理装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190284931A1 (en) * | 2018-03-13 | 2019-09-19 | Helmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum GFZ | Method and system for monitoring a material and/or a device in a bore hole using a fiber optic measuring cable |
| WO2020044660A1 (ja) * | 2018-08-30 | 2020-03-05 | 日本電気株式会社 | 状態特定システム、状態特定装置、状態特定方法、及び非一時的なコンピュータ可読媒体 |
| WO2020044648A1 (ja) * | 2018-08-30 | 2020-03-05 | 日本電気株式会社 | 電柱位置特定システム、電柱位置特定装置、電柱位置特定方法、及び非一時的なコンピュータ可読媒体 |
| CN111442788A (zh) * | 2020-04-03 | 2020-07-24 | 南京晓庄学院 | 一种架空输电线路健康监测方法及系统 |
| JP2020134142A (ja) * | 2019-02-12 | 2020-08-31 | 日本電信電話株式会社 | 架空光ファイバケーブル検査方法、架空光ファイバケーブル検査装置及びプログラム |
| US20200370950A1 (en) * | 2019-05-22 | 2020-11-26 | Nec Laboratories America, Inc | Rayleigh fading mitigation via short pulse coherent distributed acoustic sensing with multi-location beating-term combination |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2956842C (en) * | 2016-02-04 | 2025-09-16 | Ampacimon S.A. | METHOD AND SYSTEM FOR MEASURING/DETECTING ATMOSPHERIC ACCRETION OF ICE OR SNOW ON OVERHEAD ELECTRICITY TRANSMISSION LINES |
| CN107727227B (zh) | 2017-09-30 | 2019-05-21 | 南京大学 | 基于φ-otdr的高压输电线路覆冰舞动监测方法 |
| WO2019126020A1 (en) * | 2017-12-18 | 2019-06-27 | The Curators Of The University Of Missouri | Real-time overhead power line sag monitoring |
| JPWO2020044655A1 (ja) * | 2018-08-30 | 2021-09-24 | 日本電気株式会社 | 電柱劣化検出システム、電柱劣化検出装置、電柱劣化検出方法、及びプログラム |
| CN109297662B (zh) * | 2018-10-11 | 2024-04-12 | 三峡大学 | 一种架空电缆振动试验装置及试验方法 |
| US11428570B2 (en) * | 2019-04-05 | 2022-08-30 | Nec Corporation | Aerial fiber optic cable localization by distributed acoustic sensing |
| CN211234916U (zh) * | 2019-12-17 | 2020-08-11 | 国网新疆电力有限公司昌吉供电公司 | 一种基于das与otdr的光缆状态监测系统 |
| CN111238627B (zh) * | 2020-01-20 | 2022-03-15 | 南京法艾博光电科技有限公司 | 一种架空输电线路中耐张塔的地理信息标定方法 |
| US20230024381A1 (en) * | 2020-01-22 | 2023-01-26 | Nec Corporation | Utility pole degradation detection system, utility pole degradation detection method, and utility pole degradation detection device |
| US20210318166A1 (en) * | 2020-04-14 | 2021-10-14 | Nec Laboratories America, Inc. | Continuous aerial cable monitoring using distributed acoustic sensing (das) and operational modal analysis (oma) |
| US12467822B2 (en) * | 2020-08-31 | 2025-11-11 | Nec Corporation | Utility pole deterioration discrimination device and method |
| WO2022113164A1 (ja) * | 2020-11-24 | 2022-06-02 | 日本電気株式会社 | 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置 |
| JP7444289B2 (ja) * | 2020-11-27 | 2024-03-06 | 日本電気株式会社 | 位置特定システム、振動発生器、及び位置特定方法 |
| JP7491464B2 (ja) * | 2021-03-29 | 2024-05-28 | 日本電気株式会社 | 空間センシング装置、空間センシングシステム及び空間センシング方法 |
-
2021
- 2021-02-17 CN CN202180093496.XA patent/CN116917703A/zh active Pending
- 2021-02-17 EP EP21926487.6A patent/EP4296633A4/en active Pending
- 2021-02-17 JP JP2023500173A patent/JP7491458B2/ja active Active
- 2021-02-17 US US18/275,726 patent/US12553769B2/en active Active
- 2021-02-17 WO PCT/JP2021/005852 patent/WO2022176047A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190284931A1 (en) * | 2018-03-13 | 2019-09-19 | Helmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum GFZ | Method and system for monitoring a material and/or a device in a bore hole using a fiber optic measuring cable |
| WO2020044660A1 (ja) * | 2018-08-30 | 2020-03-05 | 日本電気株式会社 | 状態特定システム、状態特定装置、状態特定方法、及び非一時的なコンピュータ可読媒体 |
| WO2020044648A1 (ja) * | 2018-08-30 | 2020-03-05 | 日本電気株式会社 | 電柱位置特定システム、電柱位置特定装置、電柱位置特定方法、及び非一時的なコンピュータ可読媒体 |
| JP2020134142A (ja) * | 2019-02-12 | 2020-08-31 | 日本電信電話株式会社 | 架空光ファイバケーブル検査方法、架空光ファイバケーブル検査装置及びプログラム |
| US20200370950A1 (en) * | 2019-05-22 | 2020-11-26 | Nec Laboratories America, Inc | Rayleigh fading mitigation via short pulse coherent distributed acoustic sensing with multi-location beating-term combination |
| CN111442788A (zh) * | 2020-04-03 | 2020-07-24 | 南京晓庄学院 | 一种架空输电线路健康监测方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240118126A1 (en) | 2024-04-11 |
| US12553769B2 (en) | 2026-02-17 |
| EP4296633A1 (en) | 2023-12-27 |
| CN116917703A (zh) | 2023-10-20 |
| WO2022176047A1 (ja) | 2022-08-25 |
| EP4296633A4 (en) | 2025-01-01 |
| JP7491458B2 (ja) | 2024-05-28 |
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