EP2224408B1 - Système de détection de trafic - Google Patents

Système de détection de trafic Download PDF

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Publication number
EP2224408B1
EP2224408B1 EP10150747A EP10150747A EP2224408B1 EP 2224408 B1 EP2224408 B1 EP 2224408B1 EP 10150747 A EP10150747 A EP 10150747A EP 10150747 A EP10150747 A EP 10150747A EP 2224408 B1 EP2224408 B1 EP 2224408B1
Authority
EP
European Patent Office
Prior art keywords
route information
route
travel data
data
traffic
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.)
Not-in-force
Application number
EP10150747A
Other languages
German (de)
English (en)
Other versions
EP2224408A2 (fr
EP2224408A3 (fr
Inventor
Jörg-Michael Hasemann
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.)
Deutsche Telekom AG
Original Assignee
Deutsche Telekom 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 Deutsche Telekom AG filed Critical Deutsche Telekom AG
Publication of EP2224408A2 publication Critical patent/EP2224408A2/fr
Publication of EP2224408A3 publication Critical patent/EP2224408A3/fr
Application granted granted Critical
Publication of EP2224408B1 publication Critical patent/EP2224408B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096758—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where no selection takes place on the transmitted or the received information
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station

Definitions

  • the invention relates to a method for generating and providing traffic information through the collection and processing of traffic-related additional data.
  • the invention also relates to a system for implementing the method.
  • methods for providing traffic information are known in which current traffic reports are collected centrally and distributed, for example, via radio stations.
  • systems are known which send by radio signal or SMS text messages in the form of digital data, which are then included for route planning in the navigation.
  • the US 5,173,691 shows a method for providing up-to-date traffic information, in which, in addition to traffic monitoring data, information transmitted by road users regarding their location, direction of travel and current speed is also used.
  • a disadvantage of the previously used method for the integration of traffic information is that they are based only on currently determined data and do not allow a forecast.
  • the object of the invention is therefore to provide a method for generating and providing traffic information that with simple and cost-effective implementation of an optimized route planning in particular on the basis of accurate forecasts on the traffic situation on certain sections of the route at certain times is possible.
  • the essential aspect of the invention is not to generate traffic information, as hitherto, only from collected status data on currently affected sections of the route, as is known, for example, from traffic reports in the broadcasting and Traffic Message Channel (TMC), or to derive them from purely theoretical calculations, but to use "real" trip data from a variety of road users who are currently traveling or planning a trip and then to a central location where they are collected and evaluated. Based on this trip data are then inventively drawn conclusions about the traffic on certain sections at certain times, trying to derive from when meet how many vehicles on their individually completely different trips in the specific sections.
  • TMC Traffic Message Channel
  • a multiplicity of road users are equipped with mobile transmitting devices with which individual travel data concerning the current journey of the road user are transmitted wirelessly to a central computer system (server).
  • Such trip data may be the start, the destination and the start of the journey.
  • the Road users are assigned respectively to his vehicle, thereby offer devices that communicate with the server via the existing mobile networks. If the journey data is collected by as many road users as possible in this way, it is possible to extrapolate time-related route information relating to individual route sections. Based on a sufficient amount of driving data, the system can determine, for example, that on a certain day at 16:00 clock at least 1500 vehicles in front of the construction site on the A3 at Montabaur in the direction of Frankfurt are expected, which previously were traveling on very different routes.
  • the route information can be generated by summing the number of vehicles within a specific time window in a specific route section, the number of vehicles being determined on the basis of the journey data of these vehicles. Such route information is then transmitted wirelessly to receivers of the road users, with the receivers and road users thus get the opportunity to adjust to this situation.
  • the route information can therefore contain fairly accurate predictions about the traffic volume to be expected within certain route sections at certain times.
  • a starting point, a starting time and a destination can be manually entered via a keyboard of the transmitting device as a trip data, which are then transmitted by a single command to the server.
  • a navigation system in the vehicle it is particularly convenient to take these data from a navigation system in the vehicle and to send them automatically. If such a navigation system is previously available, it is also advantageous to transmit the current position data as travel data, wherein this transmission advantageously takes place automatically and in predefinable cyclically recurring intervals.
  • alternative route recommendations can be given, wherein it is of course advantageous not to broadcast the route information via broadcasting, but in such a format, for example TMC, which can be selectively processed by the existing navigation systems in the vehicles.
  • route profiles of a plurality of vehicles are projected on the road network, taking into account the temporal factor, and it is determined when and where they are combined.
  • This may be trip data of planned journeys and / or current journeys.
  • a plurality of trip data are stored over a long period of time, so that in addition to current trip data, historical trip data are also available for generating the route information.
  • the historical trip data can then be statistically evaluated and made available to the system.
  • historical trip data can also be archived in the evaluated form as route information.
  • the system can also learn that, for example, at certain times of certain days in front of the Elbtunnel, long traffic jams occur.
  • the invention is in a sense to simulate expected traffic situations using as many actual data collected as possible. Such simulations are known, for example, from weather forecasts that use certain models and apply them to existing data. Accordingly, it is also possible to make use of known functions for the traffic forecasts.
  • the particular advantages of the invention are that it is now possible to offer significantly improved navigation assistance to motorists compared to the prior art in terms of route planning and the estimation of arrival times.
  • Another important advantage of the invention is that standardized consumer hardware, in particular conventional mobile phones, can be used, so that the invention is affordable for a large circle of end customers at cost-effective conditions. This is particularly important insofar as the procedure "lives" on the scale of dissemination insofar as widespread use produces good statistics.
  • Another advantage of The invention is that navigation systems become significantly “smarter” and more predictive. In addition, the system operators can bundle traffic information and make it commercially available.
  • the invention can be based on currently available technology, as is known in particular from mobile communications via GPRS or UMTS standard. Also the necessary for navigation digital map material is available.
  • a particular advantage of the invention is also that vehicles with navigation system with the system according to the invention can be easily upgraded by, for example, the navigation system is only supplemented by the need for communication mobile phone. Such combinations of navigation system and mobile phone are already used today as "telematics" systems in motor vehicles and need to be equipped for the implementation of the invention only with the appropriate functionality. It is particularly advantageous to use existing navigation devices, such as GPS, GLONASS or mobile network-based localization mechanisms.
  • the server receives further traffic-relevant information, for example about current traffic obstructions or also about local weather conditions, from other sources.
  • the central server can also be used to monitor the access to the system, wherein the authentication of the user can be done for example via the MSISDN of the mobile terminal or user name and password.
  • the server also detects the use of the system by the customer in order to settle it according to predetermined criteria, for example the duration of use or the distance traveled.
  • the operator of the system which provides the server in particular, is required.
  • This uses hardware and software components as runtime environment for the realization of the method according to the invention. It can also be a variety of physically separate system components.
  • a mobile sending terminals are terminals with a user interface for operation, in particular for entering routes and destinations to. Such terminals are already present today in many places in motor vehicles as telematics systems, especially in connection with navigation systems.
  • the localization components can be used, for example, by the Global Positioning System (GPS). These components may be standalone or integrated into the sending terminals.
  • GPS Global Positioning System
  • the server has access to a database containing the profile information shown above and user-specific information regarding authorization to use the system and its billing, as well as the respective last or current whereabouts of the users.
  • the detection of the journey data in the simplest case can be done "manually".
  • the user can enter key data of his trip via the terminal and send it to the server.
  • key data for example, start, destination, start time and planned route can be entered.
  • the server can determine when the road user can be expected at which location.
  • these data can be used to calculate the traffic density at specific times on specific sections of the route, and on the other hand, the forecasts calculated therefrom in turn influence the route planning for the road user.
  • the vehicle's navigation system communicates continuously with the server.
  • the current location and speed information can be continuously updated recorded together with the current time and date and transmitted to the server using the possibility of mobile data communication.
  • the transmission can take place in a server-settable interval, wherein the data can be intermediately stored in the terminal.
  • the detection of location and speed information as well as their transmission can be omitted on the terminal side if no change of location is detected.
  • the transmission of the data is advantageously carried out in compressed form, wherein it is particularly advantageous because of the lower data volume, if this data in the form of "delta information", so as information only about a change, transmitted, for example, instead of the absolute location information with geographic length and width only the difference vector and the differential speed in relation to the last transmitted speed or location information is transmitted.
  • this data in the form of "delta information"
  • this data in the form of "delta information”
  • a transmission of the total information in the form of the location coordinates and the speed can take place at regular intervals or after communication disturbances.
  • profiles are created, in particular on the basis of "historical" data, which can also be used to generate the forecasts.
  • Such profiles can be time-dependent or user-specific databases that relate to routes or sections of the route.
  • the server can use the incoming data to create traffic profiles, in particular user-specific or non-user-specific motion profiles, as well as location, road, road segment, direction or time-specific traffic density profiles. Also these data can be used to generate route forecasts or to provide dynamic travel time forecasts based on the speed profiles.
  • a special kind of profiles are user-specific motion profiles.
  • user-specific recorded location information can be assigned in connection with road sections for the respective direction of the vehicle. This results in a route that the road user traveled from the starting point to the end point. This route, together with the time information, results in a database entry that can form part of the user-specific motion profile.
  • User-specific motion profiles are also conceivable. In this case, the user-specific recorded location information for road sections and for the respective direction of the vehicle are assigned. The time of the journey is also recorded. This results in a sequence of sections between start and finish with the respective traffic density at certain times. In its entirety, this collection of temporally assigned sequences of sections represents the user-unspecific movement profiles.
  • the user-specific recorded location information is assigned to the road sections for the respective direction of the drive. It also records the timing and speed of the journey. Over time, each section of the route has an extensive collection of date-time / speed pairs that can be used in the forecasts.
  • functions are advantageously implemented which support authentication, authorization and / or a possibility for billing.
  • the authentication of the user can be done by identifying himself by entering a previously agreed combination of username and password.
  • the IP address used by the terminal during the data transmission can be used for identification via which the server identifies the terminal. This IP address can be assigned by the network operator a mobile number and this in turn a user.
  • For authorization can be to those shown in the database user-specific rights of use are accessed, which may restrict the use of time, space and / or other criteria.
  • the location information currently transmitted by the terminal in each case can be used to check the spatial restriction.
  • the billing is advantageously based on user-specific billing events that are generated by the server and made available to external billing systems. In this case, billing is possible based on the distance covered by the user within a time period or on the basis of transmitted route information. A billing based on used traffic routes, such as highways, may be advantageous.
  • the vehicles 1 and 2 have a navigation system which determines the position data of the respective location, designated here as A and B, as the travel data, as well as the speed of the vehicles, which are each located on a road 4 and 5.
  • a and B the position data of the respective location
  • speed of the vehicles which are each located on a road 4 and 5.
  • individual travel data are transmitted wirelessly to a central computer system 6 that can be reached via a radio network.
  • the computer 6 a functionality is realized, the travel data and positions of a plurality of road users collects and processed to time-dependent route information concerning individual sections, in which case a section 7, which lies between two exits of the highway 4, is shown.
  • the computer 6 in turn transmits the route information to the transceivers of the road users wirelessly.
  • the computer 6 has a server 8, the access to a database 9, are stored on the profile, in particular evaluated historical trip data. In order to determine the route information, the computer system 6 can access traffic reports of other systems 10 and information regarding the current weather situation on certain route sections.
  • the computer system 6 as travel data, the current positions A and B of the vehicles 1 and 2, and their speed and the respective destination C and D are available.
  • the computer system determines that the vehicles 1 and 2 will be together on the route section 7 at the same time, even if their routes subsequently separate again. Since the computer 6 knows that also 1500 other vehicles at this time use the section 7 in that direction and since the weather forecast for this area has announced rain, they can predict that there will be traffic congestion.
  • This route information is transmitted to road users in a format that allows for inclusion in the individual navigation.
  • the route information was generated by summing the number of vehicles within a certain time window in the route section 7, the number of vehicles being determined based on the travel data of these vehicles.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Traffic Control Systems (AREA)
  • Navigation (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (12)

  1. Procédé de génération et de mise à disposition des informations liées à la circulation,
    dans lequel une pluralité des usagers de la route est munie avec des appareils émetteurs qui transmettent, par la voie sans fil, des données de parcours individuelles à une système ordinateur central,
    des données de parcours d'une pluralité des usagers de la route étant recueillies et converties en informations de route concernant des tronçons de route différents, les informations de route étant déterminées en fonction du temps,
    les informations de route étant transmises à des appareils récepteurs des usagers de la route,
    caractérisé en ce que les informations de route contiennent des prévisions relatives à la circulation présumée pour des heures fixes dans des tronçons de route définis.
  2. Procédé selon la revendication 1, caractérisé en ce qu'un point de départ, une heure de départ et un lieu de destination sont transmis en tant que données de parcours.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que des données de position actuelles, qui sont déterminées en particulier moyennant une système de navigation par satellite, sont transmises en tant que données de parcours.
  4. Procédé selon la revendication 3, caractérisé en ce que les données de parcours sont transmises automatiquement à des intervalles prédéterminables qui se répètent de manière cyclique.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les informations de route contiennent des rapports de situation, qui sont déterminés à base des données de parcours et comprennent les densités de circulation pour des heures fixes et dans des tronçons de route définis.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, en plus des données de parcours actuelles, des données de parcours historiques sont utilisées pour la génération des informations de route.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'information de route est générée par addition du nombre des véhicules dans un créneau horaire défini et dans un tronçon de route défini, le nombre des véhicules étant déterminé à base des données de parcours de ces véhicules.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les informations de route sont transmises dans un format qui permet l'intégration dans la navigation individuelle.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la détermination des informations de route prend en compte des informations de trafic rendues par des autres systèmes, en particulier comme celles-ci transmises par le canal TMC (Traffic Message Channel).
  10. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la transmission s'effectue après une compression des données et/ou en ce que seulement des changements sont transmis.
  11. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que des informations relatives à la situation météorologique actuelle sont transmises en tant que données de parcours.
  12. Système pour la mise en oeuvre du procédé selon l'une quelconque des revendications précédentes, présentant
    - une système ordinateur (6) centrale, accessible moyennant un réseau radio,
    - une pluralité des utilisateurs qui prennent part à la circulation routière avec leurs véhicules (1, 2), les utilisateurs étant munis des appareils émetteurs (3) mobiles et appropriés à la communication sans fil avec le système ordinateur (6), un module de navigation étant associé à chacun des appareils émetteurs pour la détermination de la position actuelle qui est transmis, avec des autres données de parcours, au système ordinateur (6) par l'appareil émetteur (3),
    - une fonctionnalité réalisée dans le système ordinateur (6) qui recueille des données de parcours et des positions d'une pluralité des usagers de la route et les convertit en informations de route concernant des tronçons de route (7) différents, le système ordinateur (6) déterminant les informations de route en fonction du temps,
    - des moyens pour transmettre les informations de route aux usagers de la route, pour un traitement ultérieur dans le module de navigation,
    caractérisé en ce que les informations de route contiennent des prévisions relatives à la circulation présumée pour des heures fixes dans des tronçons de route définis.
EP10150747A 2006-11-07 2007-10-17 Système de détection de trafic Not-in-force EP2224408B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006052319A DE102006052319A1 (de) 2006-11-07 2006-11-07 Traffic-Management-System
EP07020275A EP1921588A3 (fr) 2006-11-07 2007-10-17 Système de détection de trafic

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07020275.9 Division 2007-10-17

Publications (3)

Publication Number Publication Date
EP2224408A2 EP2224408A2 (fr) 2010-09-01
EP2224408A3 EP2224408A3 (fr) 2010-09-22
EP2224408B1 true EP2224408B1 (fr) 2011-09-28

Family

ID=38820250

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10150747A Not-in-force EP2224408B1 (fr) 2006-11-07 2007-10-17 Système de détection de trafic
EP07020275A Ceased EP1921588A3 (fr) 2006-11-07 2007-10-17 Système de détection de trafic

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07020275A Ceased EP1921588A3 (fr) 2006-11-07 2007-10-17 Système de détection de trafic

Country Status (3)

Country Link
EP (2) EP2224408B1 (fr)
AT (1) ATE526654T1 (fr)
DE (1) DE102006052319A1 (fr)

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DE102009049382A1 (de) 2009-10-15 2011-04-21 Weisgerber, Martin, Dr. System zur Bestimmung von Verkehrsdichte und Verkehrsdynamik
DE102009053080A1 (de) 2009-11-13 2011-05-19 Valeo Schalter Und Sensoren Gmbh Verfahren und System zur Erzeugung und Bereitstellung von verkehrsrelevanten Informationen
DE102011086835A1 (de) * 2011-07-07 2013-01-10 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Anordnung für ein Kraftfahrzeug
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DE102011083677A1 (de) * 2011-09-29 2013-04-04 Bayerische Motoren Werke Aktiengesellschaft Prognose einer Verkehrssituation für ein Fahrzeug
DE102012208254A1 (de) * 2012-05-16 2013-11-21 Continental Teves Ag & Co. Ohg Verfahren und System zur Erstellung eines aktuellen Situationsabbilds

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DE4241408C2 (de) * 1992-12-09 2001-10-18 Joerg Scholz Verfahren und Vorrichtung zur Steuerung des Verkehrsaufkommens
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Also Published As

Publication number Publication date
DE102006052319A1 (de) 2008-05-08
EP1921588A2 (fr) 2008-05-14
EP1921588A3 (fr) 2008-05-28
ATE526654T1 (de) 2011-10-15
EP2224408A2 (fr) 2010-09-01
EP2224408A3 (fr) 2010-09-22

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