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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WO2011077400A2 (en) 2009-12-22 2011-06-30 Leddartech Inc. Active 3d monitoring system for traffic detection
AU2010334866B2 (en) * 2009-12-23 2014-09-04 Shell Internationale Research Maatschappij B.V. Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly
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
WO2011163286A1 (en) 2010-06-25 2011-12-29 Shell Oil Company Signal stacking in fiber optic distributed acoustic sensing
US9170149B2 (en) 2010-09-01 2015-10-27 Schlumberger Technology Corporation Distributed fiber optic sensor system with improved linearity
GB2489749B (en) * 2011-04-08 2016-01-20 Optasense Holdings Ltd Fibre optic distributed sensing
US8908159B2 (en) 2011-05-11 2014-12-09 Leddartech Inc. Multiple-field-of-view scannerless optical rangefinder in high ambient background light
CA2839194C (en) 2011-06-17 2017-04-18 Leddartech Inc. System and method for traffic side detection and characterization
CA3112113A1 (en) 2012-03-02 2013-09-06 Leddartech Inc. System and method for multipurpose traffic detection and characterization
US9002150B2 (en) * 2012-05-08 2015-04-07 General Dynamics Advanced Information Systems, Inc. Optical sensing system and method
GB2513399B (en) 2013-04-26 2017-07-26 Optasense Holdings Ltd Traffic Monitoring
US10808521B2 (en) 2013-05-31 2020-10-20 Conocophillips Company Hydraulic fracture analysis
PL2816323T3 (pl) 2013-06-18 2020-04-30 Siemens Aktiengesellschaft Sposób i urządzenie do pomiaru akustycznego otoczenia włókna szklanego
JP6938371B2 (ja) 2014-09-09 2021-09-22 レッダーテック インコーポレイテッド 検出ゾーンの離散化
US10359302B2 (en) 2015-12-18 2019-07-23 Schlumberger Technology Corporation Non-linear interactions with backscattered light
US10458228B2 (en) 2016-03-09 2019-10-29 Conocophillips Company Low frequency distributed acoustic sensing
US10890058B2 (en) 2016-03-09 2021-01-12 Conocophillips Company Low-frequency DAS SNR improvement
BR112018070565A2 (pt) 2016-04-07 2019-02-12 Bp Exploration Operating Company Limited detecção de eventos de fundo de poço usando características de domínio da frequência acústicas
CA3020007C (en) 2016-04-07 2023-01-31 Bp Exploration Operating Company Limited Detecting downhole events using acoustic frequency domain features
WO2018067135A1 (en) * 2016-10-05 2018-04-12 Halliburton Energy Services, Inc. Distributed sensing systems and methods with spatial location correlation
JP6928306B2 (ja) * 2017-03-28 2021-09-01 愛知製鋼株式会社 磁気マーカの施工方法及び作業システム
CA3058256C (en) 2017-03-31 2023-09-12 Bp Exploration Operating Company Limited Well and overburden monitoring using distributed acoustic sensors
US11255997B2 (en) 2017-06-14 2022-02-22 Conocophillips Company Stimulated rock volume analysis
EP3619560B1 (de) 2017-05-05 2022-06-29 ConocoPhillips Company Stimulierte gesteinsvolumenanalyse
EA202090528A1 (ru) 2017-08-23 2020-07-10 Бп Эксплорейшн Оперейтинг Компани Лимитед Обнаружение мест скважинных пескопроявлений
CN111771042A (zh) 2017-10-11 2020-10-13 英国石油勘探运作有限公司 使用声学频域特征来检测事件
AU2018352983B2 (en) 2017-10-17 2024-02-22 Conocophillips Company Low frequency distributed acoustic sensing hydraulic fracture geometry
EP3477266B1 (de) * 2017-10-26 2022-03-30 AiQ Dienstleistungen UG (haftungsbeschränkt) Verteilte akustische sensorvorrichtung mit unterschiedlichen kohärenten abfragenden lichtmustern und entsprechendes abtastverfahren
US11193367B2 (en) 2018-03-28 2021-12-07 Conocophillips Company Low frequency DAS well interference evaluation
EP3788515A4 (de) 2018-05-02 2022-01-26 ConocoPhillips Company Produktionsprotokollierungsinversion auf basis von das/dts
FI128164B (en) * 2018-05-22 2019-11-29 Andritz Oy A process for the production of cellulose carbamate
US20210389486A1 (en) 2018-11-29 2021-12-16 Bp Exploration Operating Company Limited DAS Data Processing to Identify Fluid Inflow Locations and Fluid Type
US20220032943A1 (en) * 2018-12-03 2022-02-03 Nec Corporation Road monitoring system, road monitoring device, road monitoring method, and non-transitory computer-readable 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
WO2021001889A1 (en) * 2019-07-01 2021-01-07 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
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EP4168647A1 (de) 2020-06-18 2023-04-26 Lytt Limited Ereignismodelltraining unter verwendung von in-situ-daten
CA3225345A1 (en) 2021-07-16 2023-01-19 Conocophillips Company Passive production logging instrument using heat and distributed acoustic sensing
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Also Published As

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

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