JP7201102B2 - 位置検出装置及び位置検出方法 - Google Patents

位置検出装置及び位置検出方法 Download PDF

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Publication number
JP7201102B2
JP7201102B2 JP2021560760A JP2021560760A JP7201102B2 JP 7201102 B2 JP7201102 B2 JP 7201102B2 JP 2021560760 A JP2021560760 A JP 2021560760A JP 2021560760 A JP2021560760 A JP 2021560760A JP 7201102 B2 JP7201102 B2 JP 7201102B2
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Japan
Prior art keywords
position detection
search range
detection device
backscattered light
optical
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Japanese (ja)
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JPWO2021106025A1 (https=
JPWO2021106025A5 (https=
Inventor
侑真 松田
智之 樋野
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NEC Corp
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NEC Corp
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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
    • 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
    • G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
    • 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
    • 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
    • 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
    • G01D5/35361—Sensor working in reflection using backscattering to detect the measured quantity using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP2021560760A 2019-11-25 2019-11-25 位置検出装置及び位置検出方法 Active JP7201102B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/045896 WO2021106025A1 (ja) 2019-11-25 2019-11-25 位置検出装置及び位置検出方法

Publications (3)

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JPWO2021106025A1 JPWO2021106025A1 (https=) 2021-06-03
JPWO2021106025A5 JPWO2021106025A5 (https=) 2022-06-15
JP7201102B2 true JP7201102B2 (ja) 2023-01-10

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US (1) US12196605B2 (https=)
JP (1) JP7201102B2 (https=)
WO (1) WO2021106025A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7298693B2 (ja) * 2019-08-06 2023-06-27 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機器、及び無人機配置方法
WO2023275911A1 (en) * 2021-06-28 2023-01-05 Nec Corporation Monitoring system, method of monitoring and storage medium
CN116448113B (zh) * 2023-03-27 2026-02-10 哈尔滨工业大学 一种基于光纤振动信号的盲人定位与偏航预警的装置、系统及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007506960A (ja) 2003-09-24 2007-03-22 キネテイツク・リミテツド 光ファイバ監視システム
JP2007187578A (ja) 2006-01-13 2007-07-26 Nihon Electric Wire & Cable Co Ltd 光ファイバ型センサおよび光ファイバ型センサシステム
JP2017134681A (ja) 2016-01-28 2017-08-03 日本ドライケミカル株式会社 火災及び侵入の検知並びに報知システム
JP2017134746A (ja) 2016-01-29 2017-08-03 日本ドライケミカル株式会社 防災システム
US20170260839A1 (en) 2016-03-09 2017-09-14 Conocophillips Company Das for well ranging
JP2018194372A (ja) 2017-05-15 2018-12-06 日本電信電話株式会社 光ファイバ位置探索装置及びプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005349892A (ja) 2004-06-09 2005-12-22 Oki Electric Ind Co Ltd 侵入検知システム及び、侵入検知方法
JP2007198756A (ja) 2006-01-23 2007-08-09 Univ Nagoya 最大値記憶型光ファイバセンサ、最大値記憶型光ファイバセンサユニットおよび最大値記憶型光ファイバセンサシステム
GB201519202D0 (en) * 2015-10-30 2015-12-16 Optasense Holdings Ltd Monitoring traffic flow
GB2560522B (en) * 2017-03-13 2022-03-16 Aiq Dienstleistungen Ug Haftungsbeschraenkt Dynamic sensitivity distributed acoustic sensing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007506960A (ja) 2003-09-24 2007-03-22 キネテイツク・リミテツド 光ファイバ監視システム
JP2007187578A (ja) 2006-01-13 2007-07-26 Nihon Electric Wire & Cable Co Ltd 光ファイバ型センサおよび光ファイバ型センサシステム
JP2017134681A (ja) 2016-01-28 2017-08-03 日本ドライケミカル株式会社 火災及び侵入の検知並びに報知システム
JP2017134746A (ja) 2016-01-29 2017-08-03 日本ドライケミカル株式会社 防災システム
US20170260839A1 (en) 2016-03-09 2017-09-14 Conocophillips Company Das for well ranging
JP2018194372A (ja) 2017-05-15 2018-12-06 日本電信電話株式会社 光ファイバ位置探索装置及びプログラム

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US20230019450A1 (en) 2023-01-19
US12196605B2 (en) 2025-01-14
JPWO2021106025A1 (https=) 2021-06-03
WO2021106025A1 (ja) 2021-06-03

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