EP1406227A1 - Méthode d'examen de la qualité de la méthode d'annonce des problèmes de trafic - Google Patents

Méthode d'examen de la qualité de la méthode d'annonce des problèmes de trafic Download PDF

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Publication number
EP1406227A1
EP1406227A1 EP03016768A EP03016768A EP1406227A1 EP 1406227 A1 EP1406227 A1 EP 1406227A1 EP 03016768 A EP03016768 A EP 03016768A EP 03016768 A EP03016768 A EP 03016768A EP 1406227 A1 EP1406227 A1 EP 1406227A1
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EP
European Patent Office
Prior art keywords
traffic
measurement data
quality indicator
quality
switching states
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.)
Ceased
Application number
EP03016768A
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German (de)
English (en)
Inventor
Klaus Bogenberger
Ronald Kates
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1406227A1 publication Critical patent/EP1406227A1/fr
Ceased legal-status Critical Current

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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
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions

Definitions

  • the invention relates to traffic incident reporting methods and, in particular, to evaluation and optimization of such processes.
  • Such traffic incident reporting procedures take into account through processing locally measured data the spatial and temporal development of the traffic flow and put the knowledge gained in the form of control algorithms for route influencing systems and alternating signage systems on the one hand and on the other hand for the automatic generation of traffic incident reports around.
  • These messages are e.g. distributed by radio or by mobile phone.
  • the invention relates to a method for checking the quality of traffic incident reporting methods, especially with the aim of optimizing this quality. This will make one Improvement in traffic flow achieved. This happens in several ways. A reliable, i.e. Precise spatial and temporal fault report required this leads to the fact that the fault location is avoided if possible. For the This means that road users exposed to the disruption are also relieved as the inflow of other road users into the fault area decreases with the result of being able to leave the fault area faster again.
  • the automatic generation of traffic reports is usually preceded a traffic disturbance detection method in which measurement data from one or several measuring stations, for example on induction loops, video cameras, Access infrared detectors and the like can be provided.
  • This Measurement data can be, for example, in the form of speeds averaged over time, time-averaged traffic densities, counting rates of vehicles and the like available.
  • Traffic incident detection procedures determine from this data Switching states that make up the traffic incident reports in a traffic control center for example, are derived automatically.
  • FCD vehicle-generated data
  • FCD floating car data
  • FCD is usually for messages that are obtained from vehicles and communicated to a central office by air become.
  • the vehicles function in this mode as "floating" Sensors. (see DE 10064934 A).
  • pearl necklace sent.
  • the pearl necklace usually contains Estimates obtained from GPS signals a time series of georeferenced positions (i.e. one time stamp per point and latitude and longitude).
  • the data processing chain is endeavored by the so-called data fusion blurring and error rates from several independent sources reduce and complete the incomplete information.
  • data fusion blurring and error rates from several independent sources reduce and complete the incomplete information.
  • FCD Fibre Channel
  • traffic data from stationary recording devices, which are used in route control systems, be used.
  • the spatial density and temporal frequency of the acquisition and transmission is directly related to quality the information resulting from the data processing.
  • the travel variables along a route can influence, in particular the travel time or the hazard potential, for example due to sharp declines in speed.
  • navigation services in the vehicle is not just the current traffic situation, but also the future traffic situation of interest because the trip will take place in the future.
  • traffic forecasts can be calculated using traffic flow models, for example. The Traffic forecast goes with additional uncertainties, incompleteness, and Error rates go hand in hand, usually with the degradation of information quality increases with a growing forecast horizon.
  • the object of the invention is to provide a method that an automatic Evaluation and optimization of traffic incident reporting procedures enabled.
  • the traffic disruptions that can be derived from the measurement data the so-called derivable traffic disruptions resulting from the traffic disruption reports compared. From this, a quality indicator is determined, which is a measure for how well the traffic reports are assigned to the actual ones Traffic disruption is.
  • a quality indicator is automatically generated by the method according to the invention can be determined using this quality indicator Process for generating traffic disruption reports objectively with each other compare and / or the optimal operating points of the individual procedures objectively determine. In this way it is possible to find the optimal one for each area of application Use procedure, which increases the effectiveness of the procedure for automatic Generation of traffic incident reports increased significantly and Total traffic flow can be improved.
  • FCD floating car data
  • X test vehicles levied.
  • FCD is a message which are obtained from vehicles and by air to a central office be communicated. This data is hereinafter referred to as "XFCD”.
  • the test vehicles are sent on the route with a predetermined timing.
  • the vehicles are equipped with phone cards. These are used for transmission from XFCD to a central computer.
  • the stationary traffic data are spatially and temporally for all selected Routes sorted and smoothed at 15-minute intervals.
  • FIG. 1 this is the example of the BAB A9 Kunststoff driving direction Nuremberg for the Illustrated March 11, 2002.
  • FIG. 1 shows a spatial-temporal representation of the on 15 Minutes of aggregated velocity field v (x, t).
  • This (representative) figure R1 is representative of the existing traffic jam.
  • the speeds are linearly interpolated and calculated a contour line at 50 km / h.
  • the result is a continuous one Space-time-velocity field that shows the real traffic flow.
  • Fig. 1 and Fig. 2 are the actual and the two-dimensional Traffic reports derivable traffic events over the measurement cross section and based on the respective time of day.
  • the corresponding motorway junctions AS have been added.
  • QKZ1 means the degree of coverage of the figurehead of Fig. 1 for the actual traffic (traffic jam) happening resulting from the traffic reports resulting representative figure and QKZ2 the outside of the Representative figure R1 is related to the representative figure R2 on the representative figure R2.
  • the issuance of traffic reports can in cases where due to previous Analyzes for the current case a low quality indicator QKZ1 too is expected to be blocked automatically.
  • the current case be characterized by the failure of sensors.

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
EP03016768A 2002-10-02 2003-07-23 Méthode d'examen de la qualité de la méthode d'annonce des problèmes de trafic Ceased EP1406227A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002146185 DE10246185A1 (de) 2002-10-02 2002-10-02 Verfahren zur Güteprüfung von Verkehrsstörungsmeldeverfahren
DE10246185 2002-10-02

Publications (1)

Publication Number Publication Date
EP1406227A1 true EP1406227A1 (fr) 2004-04-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03016768A Ceased EP1406227A1 (fr) 2002-10-02 2003-07-23 Méthode d'examen de la qualité de la méthode d'annonce des problèmes de trafic

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Country Link
EP (1) EP1406227A1 (fr)
DE (1) DE10246185A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007023019A1 (fr) * 2005-07-14 2007-03-01 Siemens Aktiengesellschaft Procede et calculateur de trafic destine a calculer un etat de trafic actuel ou futur
WO2012010005A1 (fr) * 2010-07-19 2012-01-26 北京世纪高通科技有限公司 Procédé et dispositif permettant de traiter des informations sur un événement de circulation routière

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021260A1 (de) 2008-04-29 2009-11-05 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Güteprüfung von Verkehrsstörungsmeldeverfahren
DE102010041583A1 (de) 2010-09-29 2012-03-29 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Ermittlung eines Qualitätsdatenwerts von Verkehrsstörungsmeldeverfahren
DE102011109726A1 (de) * 2011-08-06 2013-02-07 Daimler Ag Verfahren zur Qualitätsbestimmung eines Verkehrsserviceanbieters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604084A1 (de) * 1995-03-23 1996-10-02 Deutsche Telekom Mobil Verfahren und Einrichtung zur Ermittlung von Dynamischen Verkehrsinformationen
DE19833614A1 (de) * 1998-07-25 2000-01-27 Bayerische Motoren Werke Ag Verfahren zur Verkehrsqualitätserkennung und Fahrzeug als Mittel dazu
DE19954971A1 (de) * 1999-11-16 2001-06-07 Daimler Chrysler Ag System zur Beeinflussung des Verkehrsflusses von Fahrzeugen
EP1174842A1 (fr) * 2000-07-18 2002-01-23 DDG Gesellschaft für Verkehrsdaten mbH Méthode pour créer les données de trafic pronostic pour des informations sur la circulation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604084A1 (de) * 1995-03-23 1996-10-02 Deutsche Telekom Mobil Verfahren und Einrichtung zur Ermittlung von Dynamischen Verkehrsinformationen
DE19833614A1 (de) * 1998-07-25 2000-01-27 Bayerische Motoren Werke Ag Verfahren zur Verkehrsqualitätserkennung und Fahrzeug als Mittel dazu
DE19954971A1 (de) * 1999-11-16 2001-06-07 Daimler Chrysler Ag System zur Beeinflussung des Verkehrsflusses von Fahrzeugen
EP1174842A1 (fr) * 2000-07-18 2002-01-23 DDG Gesellschaft für Verkehrsdaten mbH Méthode pour créer les données de trafic pronostic pour des informations sur la circulation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007023019A1 (fr) * 2005-07-14 2007-03-01 Siemens Aktiengesellschaft Procede et calculateur de trafic destine a calculer un etat de trafic actuel ou futur
WO2012010005A1 (fr) * 2010-07-19 2012-01-26 北京世纪高通科技有限公司 Procédé et dispositif permettant de traiter des informations sur un événement de circulation routière

Also Published As

Publication number Publication date
DE10246185A1 (de) 2004-04-15

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