DE602006015499D1 - Vorrichtung zur verkehrserfassung und verkehrsüberwachung - Google Patents

Vorrichtung zur verkehrserfassung und verkehrsüberwachung

Info

Publication number
DE602006015499D1
DE602006015499D1 DE602006015499T DE602006015499T DE602006015499D1 DE 602006015499 D1 DE602006015499 D1 DE 602006015499D1 DE 602006015499 T DE602006015499 T DE 602006015499T DE 602006015499 T DE602006015499 T DE 602006015499T DE 602006015499 D1 DE602006015499 D1 DE 602006015499D1
Authority
DE
Germany
Prior art keywords
length
traffic
monitoring
input end
pulse
Prior art date
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.)
Active
Application number
DE602006015499T
Other languages
English (en)
Inventor
Roger Ian Crickmore
David John Hill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optasense Holdings Ltd
Original Assignee
Qinetiq Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qinetiq Ltd filed Critical Qinetiq Ltd
Publication of DE602006015499D1 publication Critical patent/DE602006015499D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
DE602006015499T 2005-10-25 2006-10-18 Vorrichtung zur verkehrserfassung und verkehrsüberwachung Active DE602006015499D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0521713.8A GB0521713D0 (en) 2005-10-25 2005-10-25 Traffic sensing and monitoring apparatus
PCT/GB2006/003862 WO2007049004A1 (en) 2005-10-25 2006-10-18 Traffic sensing and monitoring apparatus

Publications (1)

Publication Number Publication Date
DE602006015499D1 true DE602006015499D1 (de) 2010-08-26

Family

ID=35458650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006015499T Active DE602006015499D1 (de) 2005-10-25 2006-10-18 Vorrichtung zur verkehrserfassung und verkehrsüberwachung

Country Status (9)

Country Link
US (1) US7652245B2 (de)
EP (1) EP1941479B1 (de)
JP (1) JP5281894B2 (de)
KR (1) KR101281992B1 (de)
CN (1) CN101297336B (de)
AT (1) ATE474303T1 (de)
DE (1) DE602006015499D1 (de)
GB (1) GB0521713D0 (de)
WO (1) WO2007049004A1 (de)

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US20100200743A1 (en) * 2009-02-09 2010-08-12 Larry Dale Forster Well collision avoidance using distributed acoustic sensing
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EP2517189B1 (de) 2009-12-22 2014-03-19 Leddartech Inc. Aktives 3d-überwachungssystem für verkehrsdetektion
US9109944B2 (en) 2009-12-23 2015-08-18 Shell Oil Company Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly
CA2782773C (en) * 2009-12-23 2017-04-11 Shell Internationale Research Maatschappij B.V. Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly
US9140815B2 (en) 2010-06-25 2015-09-22 Shell Oil Company Signal stacking in fiber optic distributed acoustic sensing
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US8908159B2 (en) 2011-05-11 2014-12-09 Leddartech Inc. Multiple-field-of-view scannerless optical rangefinder in high ambient background light
WO2012172526A1 (en) 2011-06-17 2012-12-20 Leddartech Inc. System and method for traffic side detection and characterization
CA2998166C (en) 2012-03-02 2019-04-09 Leddartech Inc. System and method for vehicle detection
US9002150B2 (en) * 2012-05-08 2015-04-07 General Dynamics Advanced Information Systems, Inc. Optical sensing system and method
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PL2816323T3 (pl) 2013-06-18 2020-04-30 Siemens Aktiengesellschaft Sposób i urządzenie do pomiaru akustycznego otoczenia włókna szklanego
CN107003406B (zh) 2014-09-09 2019-11-05 莱达科技股份有限公司 检测区的离散化
US10359302B2 (en) 2015-12-18 2019-07-23 Schlumberger Technology Corporation Non-linear interactions with backscattered light
US20170260839A1 (en) 2016-03-09 2017-09-14 Conocophillips Company Das for well ranging
US10890058B2 (en) 2016-03-09 2021-01-12 Conocophillips Company Low-frequency DAS SNR improvement
US11530606B2 (en) 2016-04-07 2022-12-20 Bp Exploration Operating Company Limited Detecting downhole sand ingress locations
US11199084B2 (en) 2016-04-07 2021-12-14 Bp Exploration Operating Company Limited Detecting downhole events using acoustic frequency domain features
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EP3583296B1 (de) 2017-03-31 2021-07-21 BP Exploration Operating Company Limited Bohrloch- und abraumüberwachung mithilfe verteilter akustiksensoren
CA3062569A1 (en) 2017-05-05 2018-11-08 Conocophillips Company Stimulated rock volume analysis
US11255997B2 (en) 2017-06-14 2022-02-22 Conocophillips Company Stimulated rock volume analysis
AU2018321150A1 (en) 2017-08-23 2020-03-12 Bp Exploration Operating Company Limited Detecting downhole sand ingress locations
EA202090867A1 (ru) 2017-10-11 2020-09-04 Бп Эксплорейшн Оперейтинг Компани Лимитед Обнаружение событий с использованием признаков в области акустических частот
US11352878B2 (en) 2017-10-17 2022-06-07 Conocophillips Company Low frequency distributed acoustic sensing hydraulic fracture geometry
US10935417B2 (en) * 2017-10-26 2021-03-02 Aiq Dienstleistungen Ug (Haftungsbeschränkt) Distributed acoustic sensing system using different coherent interrogating light patterns and corresponding sensing method
EP3775486A4 (de) 2018-03-28 2021-12-29 Conocophillips Company Beurteilung von niederfrequenz-das-bohrlochinterferenz
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US11859488B2 (en) 2018-11-29 2024-01-02 Bp Exploration Operating Company Limited DAS data processing to identify fluid inflow locations and fluid type
EP3892963A4 (de) 2018-12-03 2022-01-26 NEC Corporation Strassenüberwachungssystem, strassenüberwachungsvorrichtung, strassenüberwachungsverfahren und nichttransitorisches computerlesbares medium
GB201820331D0 (en) 2018-12-13 2019-01-30 Bp Exploration Operating Co Ltd Distributed acoustic sensing autocalibration
US11468667B2 (en) * 2019-06-19 2022-10-11 Nec Corporation Distributed intelligent traffic informatics using fiber sensing
US12094330B2 (en) 2019-07-01 2024-09-17 Nec Corporation Traffic prediction apparatus, system, method, and non-transitory computer readable medium
WO2021073741A1 (en) 2019-10-17 2021-04-22 Lytt Limited Fluid inflow characterization using hybrid das/dts measurements
CA3154435C (en) 2019-10-17 2023-03-28 Lytt Limited Inflow detection using dts features
WO2021093974A1 (en) 2019-11-15 2021-05-20 Lytt Limited Systems and methods for draw down improvements across wellbores
WO2021152824A1 (ja) * 2020-01-31 2021-08-05 日本電気株式会社 車両監視システム、車両監視方法、及び車両監視装置
WO2021249643A1 (en) 2020-06-11 2021-12-16 Lytt Limited Systems and methods for subterranean fluid flow characterization
EP4168647A1 (de) 2020-06-18 2023-04-26 Lytt Limited Ereignismodelltraining unter verwendung von in-situ-daten
EP4370780A1 (de) 2021-07-16 2024-05-22 ConocoPhillips Company Passives produktionsprotokollierungsinstrument mit wärme- und verteilter akustischer erfassung
IT202200004667A1 (it) 2022-03-11 2022-06-11 Sestosensor S R L Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso
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Also Published As

Publication number Publication date
KR101281992B1 (ko) 2013-07-04
US7652245B2 (en) 2010-01-26
KR20080059328A (ko) 2008-06-26
WO2007049004A8 (en) 2008-06-05
JP2009514081A (ja) 2009-04-02
US20080277568A1 (en) 2008-11-13
EP1941479A1 (de) 2008-07-09
JP5281894B2 (ja) 2013-09-04
CN101297336A (zh) 2008-10-29
GB0521713D0 (en) 2005-11-30
WO2007049004A1 (en) 2007-05-03
EP1941479B1 (de) 2010-07-14
CN101297336B (zh) 2010-06-09
ATE474303T1 (de) 2010-07-15

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