EP3724867B1 - Procédé et système pour avertir les usagers de la route d'une conduite en sens inverse d'un véhicule avec commande de données d'émetteur - Google Patents

Procédé et système pour avertir les usagers de la route d'une conduite en sens inverse d'un véhicule avec commande de données d'émetteur Download PDF

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Publication number
EP3724867B1
EP3724867B1 EP18826539.1A EP18826539A EP3724867B1 EP 3724867 B1 EP3724867 B1 EP 3724867B1 EP 18826539 A EP18826539 A EP 18826539A EP 3724867 B1 EP3724867 B1 EP 3724867B1
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EP
European Patent Office
Prior art keywords
vehicle
wrong
server
client
communication device
Prior art date
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Active
Application number
EP18826539.1A
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German (de)
English (en)
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EP3724867A1 (fr
Inventor
Simon GEISLER
Volker Braun
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP3724867A1 publication Critical patent/EP3724867A1/fr
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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
    • G08G1/056—Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel
    • 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
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
    • 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
    • G08G1/0125—Traffic data processing
    • G08G1/0133—Traffic data processing for classifying traffic situation
    • 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
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
    • 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
    • G08G1/096766—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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/164—Centralised systems, e.g. external to vehicles

Definitions

  • the present invention relates to a method for warning road users that a vehicle is driving the wrong way.
  • the invention also relates to a client-server system executing this method and a computer program product for carrying out the method, primarily on a server of the client -Server system.
  • the wrong-way driving of a vehicle is caused by a wrong-way driver responsible for this, also known as "wrong-way driver", who can cause traffic accidents with considerable personal injury and property damage through behavior contrary to traffic.
  • a wrong-way driver responsible for this, also known as "wrong-way driver”
  • detection of wrong-way driving solely on the basis of a navigation device in the vehicle usually occurs too late, since in most cases the wrong-way driver is already driving at high speed and is very likely to be on a collision course, for example in the wrong lane on a motorway. In order to prevent accidents, it is therefore necessary to promptly warn the wrong-way driver himself and also the road users in the danger zone about wrong-way driving.
  • the field of application of the present invention is not only limited to motor and commercial vehicles driven by people, but can also be used as a safety system for autonomous driving.
  • Video sensors determine whether a traffic sign prohibiting entry or passage has been crossed.
  • methods are also generally known which, using a digital map of the road network in conjunction with navigation data from the vehicle, attempt to identify whether the vehicle is moving on a stretch of road in the wrong direction of travel.
  • Wireless methods are also generally known, which use special technical means, for example beacons on the roadway or at the edge of the roadway, to detect wrong-way drivers.
  • the current navigation data of a vehicle are read in from a vehicle-external server via a wireless vehicle-server interface between a communication device assigned to the vehicle and the vehicle-external server.
  • the read-in navigation data is then compared in the vehicle-external server using at least one piece of server-side navigation information, as a result of which the read-in navigation data of the vehicle are evaluated with regard to wrong-way driving.
  • This comparison is preferably carried out using a so-called map-matching algorithm, which matches the position information contained in the vehicle's navigation data that has been read in with a digital map of the road network in order to find out whether the vehicle is moving in road traffic in accordance with traffic regulations. If the evaluation reveals that the navigation data of the vehicle actually indicates that the vehicle is driving the wrong way, for example by driving in the wrong direction on a freeway exit, the client-server system provides a wrong-way driver warning to at least other vehicles in the area.
  • the other vehicles are equipped with a vehicle-server interface in order to inform the driver of the wrong-way driver warning provided by the server via a communication device assigned to the vehicle.
  • this method of the prior art enables an automatic wrong-way driver warning, which is promptly based on the triggering event of wrong-way driving. At this time-critical functionality, delayed reports or even false reports about wrong-way driving are to be avoided.
  • Another problem here is that communication and power consumption for the mobile clients should be as efficient or as low as possible in order to achieve an acceptable battery life.
  • the overloading of a mobile radio cell or other wireless communication facilities must also be prevented by communication that is as data-efficient as possible.
  • the volume of data should also be limited as far as possible.
  • the efficiency of the communication is also an important factor on the server side for reasons of computing power.
  • the invention includes the procedural teaching that the step of comparing the navigation data of the vehicle in the vehicle-external server includes an analysis as to whether the vehicle is in a wrong-way risk area of the road network, with the affirmative case the vehicle-external server instructing the communication device of the vehicle that this Sends navigation data at a higher transmission rate than outside the wrong-way driving area in order to trigger data transmission that is higher in contrast.
  • the server to decide when reading in the vehicle's navigation data how at risk the client is of becoming a wrong-way driver and, based on this decision, sends a sending rate for the data transmission back to the client at which it should send. If the client comes, for example, from a country road into the area of a freeway entrance and thus into a wrong-way driving area, the server requests a higher sending rate of navigation data than in the rest of the normal area of the country road, by one to be able to carry out highly accurate wrong-way driver detection in the course of map matching. For a further reduction in data traffic, it would also be conceivable for the server to only issue an alternating signal for changing the sending rate if a change in the sending rate is necessary. Otherwise, the client can simply continue to use a preset low send rate.
  • the analysis in the comparison step also includes the measure that it is monitored when the vehicle leaves the wrong-way driving area of the road network again, in order to then send an alternating signal from the vehicle-external server to the communication device of the vehicle to the effect that the communication device sends the navigation data again with a lower Send rate than within the wrong-way danger zone.
  • the high-frequency data transmission is maintained over a previously defined period of time.
  • the step of reading in the navigation data of the vehicle preferably includes only the position data of the vehicle along the route, which can be determined via a GPS module.
  • further position data of the vehicle can also be read in using on-board sensors. This achieves an improvement in the quality of the vehicle's position data. This can be done, for example, by increasing the sampling rate of the vehicle's GPS module and/or the vehicle's inertial sensor and/or the vehicle's altimeter and/or the vehicle's optical sensor and/or by activating an additional sensor of the vehicle.
  • Such an additional sensor can be used, for example, to generate an image of the surroundings of the vehicle.
  • computing time for verifying navigation data of the vehicle can be saved on the server side and thus also in the overall system.
  • a low transmission rate in the range between 0.1 and 100 Hz is used for reading in the position data of the vehicle by the server, whereas the comparatively higher transmission rate is in the range between 0.001 and 0.1 Hz.
  • the sending rate can be set dynamically within a certain range on the basis of the server decision.
  • After 1 includes a client-server system for warning road users of wrong-way driving of a vehicle 1 also includes a vehicle-external server 2 and an exemplary further vehicle 3, which is to be warned of wrong-way driving of the vehicle 1.
  • the server 2 external to the vehicle is a data processing device which is arranged remotely from the vehicles 1 and 3 and is connected to the vehicles 1 and 3 via a wireless connection, in this case a radio connection.
  • Vehicles 1 and 3 are road vehicles, such as passenger or commercial vehicles.
  • the vehicles 1 and 3 each communicate as a client with the server 2 via suitable interfaces.
  • the vehicle 1 is assigned a communication device 10 in the form of a mobile phone, which includes a position determination unit 11 in the form of a GPS module and a vehicle-server interface 12 in the form of a conventional radio data transmission unit of the mobile phone terminal.
  • the vehicle-server interface 12 reports the current position data of the vehicle 1 as navigation data 13 to the vehicle-external server 2.
  • server-side navigation information including a map-matching algorithm, is used to evaluate the read-in navigation data of the vehicle 1 with regard to wrong-way driving by the vehicle 1.
  • a wrong-way driver warning 14 about the wrong-way driving of the vehicle 1 is reported via a further wireless connection to the further vehicle 3 shown here as an example.
  • the wrong-way driver warning 14 is sent by the other vehicle 3 via a further vehicle-server interface 15 of an associated communication device 16 assigned to it.
  • the received wrong-way driver warning 14 is output optically and/or acoustically via the communication device 16 .
  • this sends to the communication device 10 of the Vehicle 1, if necessary, an alternating signal 17 to switch between a high transmission rate, and thus more detailed position information, and at least one contrast low transmission rate.
  • the communication device 10 assigned to the vehicle 1 (not shown here) in the form of a mobile radio terminal, specifically smartphones, is used as a client for wireless communication with the server 2 .
  • the communication terminal 10 moves through different radio cells 20 of a mobile network 30, which is indicated here schematically by a transmission mast.
  • a PDN gateway 40 forms the interface between the cellular network 30 on the one hand and the server 2 connected to the Internet on the other hand.
  • the control of a needs-based switching of the transmission rate by means of the transmission rate control unit 50 also takes place.
  • the 3 Illustrates with a broken line a wrong-way danger area 60 in the road network of a lane-guided entrance-exit area between a country road 70 and a highway 80 as a higher-ranking road.
  • the remaining normal area 90 around the country road 70 marked by a dotted line, is delimited from the wrong-way danger area 60, in which the method according to the invention for warning road users of wrong-way driving is carried out.
  • the map-matching algorithm recognizes that the vehicle 1 is within the wrong-way driving area 60, the navigation data of the vehicle 1 is sent at a higher sending rate than when it is in the normal area 90.
  • the procedure for warning road users of wrong-way driving includes the following steps: At the beginning there is a determination 100 of the position data of the vehicle, which are transmitted as navigation data 13 by reading 200 to the vehicle-external server. Next, the navigation data of the vehicle is compared using server-side navigation information, in particular a map-matching algorithm, in order to evaluate the read-in position data of the vehicle with regard to wrong-way driving. At the same time, the map-matching algorithm is used to determine whether the vehicle is currently in a wrong-way driving area.
  • the server instructs 310 to the client via an alternating signal 17 that the client should send at a higher transmission rate, which is arranged in step 500 of a setting on the client side. This causes high-frequency data transmission while the vehicle is in the wrong-way driving area.
  • the server instructs 320 the client via an alternating signal 17 that the data transmission in the normal area of the road network should be resumed at a low transmission rate performs to minimize data communication and client-side power consumption.
  • the client-side communication device of the vehicle not to be in the form of a mobile radio terminal, but rather as a vehicle navigation device installed in the vehicle in a stationary manner, which in this respect is therefore equipped with an additional function.

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

Claims (13)

  1. Procédé destiné à avertir les usagers de la route qu'un véhicule (1) roule à contre-sens, ledit procédé comprenant les étapes suivantes :
    - lire (200) des données de navigation (13) du véhicule (1) dans un serveur (2) extérieur au véhicule par le biais d'une interface véhicule-serveur (12) entre un dispositif de communication (10), en tant que client, associé au véhicule (1) et le serveur (2) extérieur au véhicule ;
    - adapter (300) les données de navigation (13) du véhicule (1) dans le serveur (2) extérieur au véhicule à l'aide d'au moins une information de navigation côté serveur afin d'évaluer les données de navigation lues du véhicule (1) en termes de conduite à contresens du véhicule (1) ;
    - fournir (400) un avertissement de conduite à contresens (14) concernant la conduite à contresens du véhicule (1) à au moins une autre interface véhicule-serveur (15) entre au moins un dispositif de communication (16) associé à un autre véhicule (3) et le serveur (2) extérieur au véhicule si, à l'étape d'adaptation (300), une conduite à contresens réelle a été déterminée sur la base des données de navigation du véhicule (1) ;
    caractérisé en ce que l'étape de comparaison (300) comprend une analyse permettant de savoir si le véhicule (1) se trouve dans une zone à risque de contre-sens (60) du réseau routier, dans l'affirmative
    - le serveur (2) extérieur au véhicule ordonnant (310) au dispositif de communication (10) du véhicule (1) que le dispositif de communication (10) envoie les données de navigation (13) à un débit d'émission plus élevé qu'à l'extérieur de la zone à risque de circulation à contre-sens (60) afin de déclencher une transmission de données à une fréquence plus élevée que dans le cas contraire.
  2. Procédé selon la revendication 1, dans lequel l'étape d'adaptation (300) comprend une analyse permettant de savoir si le véhicule (1) a de nouveau quitté la zone à risque de circulation à contre-sens (60) du réseau routier, dans l'affirmative
    - le serveur (2) extérieur au véhicule ordonnant (320) au dispositif de communication (10) du véhicule (1) que le dispositif de communication (10) envoie les données de navigation (13) à un débit d'émission plus faible qu'à l'intérieur de la zone à risque de circulation à contre-sens (60) afin de déclencher une transmission de données à fréquence plus basse.
  3. Procédé selon la revendication 1 ou 2, dans lequel à l'étape d'adaptation (300) la zone formant bretelle d'entrée/sortie entre des routes de rang inférieur et des routes de rang supérieur, en particulier entre une route de campagne (70) et une autoroute (80), est définie comme zone à risque de circulation à contresens (60) du réseau routier.
  4. Procédé selon l'une des revendications 1 et 3, dans lequel
    à l'étape d'adaptation (300), la détection de circulation à contre-sens est effectuée à l'aide d'un algorithme de correspondance avec une carte, une carte numérique du réseau routier étant utilisée comme informations de navigation côté serveur.
  5. Procédé selon l'une des revendications 1 à 4, dans lequel
    à l'étape de lecture (200), des données de navigation du véhicule (1) sont lues, lesquelles comprennent au moins des informations de position actuelle du véhicule (1) tout au long du temps de trajet.
  6. Procédé selon l'une des revendications 1 à 5, dans lequel
    à l'étape de lecture (200), le faible débit d'émission est dans la plage comprise entre 0,001 et 0,1 Hertz, tandis que le débit d'émission au contraire plus élevé est dans la plage comprise entre 0,1 et 100 Hertz.
  7. Procédé selon l'une des revendications 1 à 6, dans lequel
    l'étape de lecture (200) de données de navigation du véhicule (1) est précédée d'une étape de détermination (100) de données de position du véhicule (1) à l'aide d'un système de détection côté véhicule.
  8. Système client-serveur destiné à avertir les usagers de la route qu'un véhicule (1) roule à contresens sur un réseau routier, ledit système comprenant au moins un dispositif de communication (10), en tant que client, associé à un véhicule (1) qui comprend au moins une unité de détermination de position (11) et une interface véhicule-serveur (12) avec un serveur (2) extérieur au véhicule, sur lequel est mémorisée la carte numérique du réseau routier destinée à établir une correspondance entre la carte et les données de position du véhicule (1), le serveur (2) extérieur au véhicule étant conçu pour mettre en œuvre le procédé selon l'une des revendications précédentes.
  9. Système client-serveur selon la revendication 8, le serveur (2) extérieur au véhicule transmettant un signal alternatif (17) au dispositif de communication (10) du véhicule (1) afin de modifier le débit d'émission.
  10. Système client-serveur selon la revendication 8, le dispositif de communication côté véhicule (10) étant conçu comme une terminal radio mobile, l'interface véhicule-serveur (12) étant conçue comme une unité de transmission de données radio bidirectionnelle.
  11. Système client-serveur selon la revendication 10, l'unité de détermination de position (11) étant conçue comme un module GPS qui fait partie du terminal radio mobile ou d'un dispositif de navigation de véhicule installé de manière fixe dans le véhicule (1).
  12. Progiciel comprenant des moyens de code de programme destinés à mettre en œuvre le procédé selon l'une des revendications 1 à 7, lorsque le progiciel et exécuté sur un serveur (2) extérieur au véhicule d'un système client-serveur selon l'une des revendications 8 à 11.
  13. Support de données électronique sur lequel est mémorisé un progiciel selon la revendication 12.
EP18826539.1A 2017-12-14 2018-12-12 Procédé et système pour avertir les usagers de la route d'une conduite en sens inverse d'un véhicule avec commande de données d'émetteur Active EP3724867B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017222791.5A DE102017222791A1 (de) 2017-12-14 2017-12-14 Verfahren und System zum Warnen von Verkehrsteilnehmern vor einer Falschfahrt eines Fahrzeugs mit Senderdatensteuerung
PCT/EP2018/084507 WO2019115593A1 (fr) 2017-12-14 2018-12-12 Procédé et système pour avertir les usagers de la route d'une conduite en sens inverse d'un véhicule avec commande de données d'émetteur

Publications (2)

Publication Number Publication Date
EP3724867A1 EP3724867A1 (fr) 2020-10-21
EP3724867B1 true EP3724867B1 (fr) 2023-08-30

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EP18826539.1A Active EP3724867B1 (fr) 2017-12-14 2018-12-12 Procédé et système pour avertir les usagers de la route d'une conduite en sens inverse d'un véhicule avec commande de données d'émetteur

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EP (1) EP3724867B1 (fr)
DE (1) DE102017222791A1 (fr)
WO (1) WO2019115593A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020212037A1 (de) 2020-09-24 2022-03-24 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zum Erzeugen einer Relevanzkarte für ein Fahrzeug und Verfahren und Vorrichtung zum Bereitstellen eines Positionssignals für eine Falschfahrerkennung

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Publication number Priority date Publication date Assignee Title
DE19513640C2 (de) * 1994-11-28 1997-08-07 Mannesmann Ag Verfahren zur Reduzierung einer aus den Fahrzeugen einer Fahrzeugflotte zu übertragenden Datenmenge
JP5015849B2 (ja) * 2008-04-11 2012-08-29 トヨタ自動車株式会社 逆走警告装置、逆走警告方法
US9578455B2 (en) * 2015-02-20 2017-02-21 Ford Global Technologies, Llc Method and apparatus for dynamic position reporting rate determination
DE102015213538A1 (de) 2015-07-17 2017-01-19 Robert Bosch Gmbh Verfahren und System zum Warnen vor einer Falschfahrt eines Fahrzeugs
DE102015213521A1 (de) * 2015-07-17 2017-01-19 Robert Bosch Gmbh Verfahren und Vorrichtung zum Warnen vor einem falsch fahrenden Fahrzeug

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WO2019115593A1 (fr) 2019-06-20
EP3724867A1 (fr) 2020-10-21

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