ATE474303T1 - Vorrichtung zur verkehrserfassung und verkehrsüberwachung - Google Patents

Vorrichtung zur verkehrserfassung und verkehrsüberwachung

Info

Publication number
ATE474303T1
ATE474303T1 AT06794805T AT06794805T ATE474303T1 AT E474303 T1 ATE474303 T1 AT E474303T1 AT 06794805 T AT06794805 T AT 06794805T AT 06794805 T AT06794805 T AT 06794805T AT E474303 T1 ATE474303 T1 AT E474303T1
Authority
AT
Austria
Prior art keywords
length
monitoring
traffic
input end
pulse
Prior art date
Application number
AT06794805T
Other languages
English (en)
Inventor
Roger Crickmore
David Hill
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
Application granted granted Critical
Publication of ATE474303T1 publication Critical patent/ATE474303T1/de

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)
AT06794805T 2005-10-25 2006-10-18 Vorrichtung zur verkehrserfassung und verkehrsüberwachung ATE474303T1 (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
ATE474303T1 true ATE474303T1 (de) 2010-07-15

Family

ID=35458650

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06794805T ATE474303T1 (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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GB0917150D0 (en) * 2009-09-30 2009-11-11 Qinetiq Ltd Phase based sensing
GB0919906D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Improvements to distributed fibre optic sensing
GB0919904D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Determining lateral offset in distributed fibre optic acoustic sensing
EP2517189B1 (de) 2009-12-22 2014-03-19 Leddartech Inc. Aktives 3d-überwachungssystem für verkehrsdetektion
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
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
US9140815B2 (en) 2010-06-25 2015-09-22 Shell Oil Company Signal stacking in fiber optic distributed acoustic sensing
CA2809660C (en) 2010-09-01 2016-11-15 Schlumberger Canada Limited 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
CA2998175C (en) 2012-03-02 2020-11-10 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
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US10808521B2 (en) 2013-05-31 2020-10-20 Conocophillips Company Hydraulic fracture analysis
EP2816323B1 (de) 2013-06-18 2019-10-16 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Messung der akustischen Umgebung einer Glasfaser
US10488492B2 (en) 2014-09-09 2019-11-26 Leddarttech Inc. Discretization of detection zone
US10359302B2 (en) 2015-12-18 2019-07-23 Schlumberger Technology Corporation Non-linear interactions with backscattered light
US10890058B2 (en) 2016-03-09 2021-01-12 Conocophillips Company Low-frequency DAS SNR improvement
US10465501B2 (en) 2016-03-09 2019-11-05 Conocophillips Company DAS method of estimating fluid distribution
US11530606B2 (en) 2016-04-07 2022-12-20 Bp Exploration Operating Company Limited Detecting downhole sand ingress locations
EP3670830B1 (de) 2016-04-07 2021-08-11 BP Exploration Operating Company Limited Erkennung von bohrlochereignissen mit akustischen frequenzbereichsmerkmalen
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
WO2019038401A1 (en) 2017-08-23 2019-02-28 Bp Exploration Operating Company Limited DETECTION OF SAND INPUT LOCATIONS AT THE BOTTOM OF A HOLE
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
CA3078414A1 (en) 2017-10-17 2019-04-25 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
US11021934B2 (en) 2018-05-02 2021-06-01 Conocophillips Company Production logging inversion based on 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
JPWO2020116030A1 (ja) * 2018-12-03 2021-10-07 日本電気株式会社 道路監視システム、道路監視装置、道路監視方法、及びプログラム
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
WO2021073740A1 (en) 2019-10-17 2021-04-22 Lytt Limited Inflow detection using dts features
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WO2021093974A1 (en) 2019-11-15 2021-05-20 Lytt Limited Systems and methods for draw down improvements across wellbores
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Also Published As

Publication number Publication date
EP1941479B1 (de) 2010-07-14
WO2007049004A1 (en) 2007-05-03
GB0521713D0 (en) 2005-11-30
EP1941479A1 (de) 2008-07-09
KR101281992B1 (ko) 2013-07-04
DE602006015499D1 (de) 2010-08-26
CN101297336B (zh) 2010-06-09
US7652245B2 (en) 2010-01-26
JP5281894B2 (ja) 2013-09-04
US20080277568A1 (en) 2008-11-13
CN101297336A (zh) 2008-10-29
JP2009514081A (ja) 2009-04-02
WO2007049004A8 (en) 2008-06-05
KR20080059328A (ko) 2008-06-26

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