EP2586019A1 - Procédé permettant de déterminer et de mettre en garde contre des automobilistes roulant à contresens ainsi que système d'indication et d'alerte d'automobilistes roulant à contresens - Google Patents

Procédé permettant de déterminer et de mettre en garde contre des automobilistes roulant à contresens ainsi que système d'indication et d'alerte d'automobilistes roulant à contresens

Info

Publication number
EP2586019A1
EP2586019A1 EP11745482.7A EP11745482A EP2586019A1 EP 2586019 A1 EP2586019 A1 EP 2586019A1 EP 11745482 A EP11745482 A EP 11745482A EP 2586019 A1 EP2586019 A1 EP 2586019A1
Authority
EP
European Patent Office
Prior art keywords
radio
warning
radio field
travel
wrong
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.)
Granted
Application number
EP11745482.7A
Other languages
German (de)
English (en)
Other versions
EP2586019B1 (fr
Inventor
Christian Wietfeld
Andreas Lewandowski
Kai Okulla
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.)
Technische Universitaet Dortmund
S Tec GmbH
Original Assignee
Wilhelm Schroeder GmbH
Technische Universitaet Dortmund
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 Wilhelm Schroeder GmbH, Technische Universitaet Dortmund filed Critical Wilhelm Schroeder GmbH
Publication of EP2586019A1 publication Critical patent/EP2586019A1/fr
Application granted granted Critical
Publication of EP2586019B1 publication Critical patent/EP2586019B1/fr
Not-in-force 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
    • G08G1/056—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
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • 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
    • 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
    • G08G1/096783—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 roadside individual element
    • 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 invention relates to a method for detecting and warning of wrong-way drivers according to claim 1 and a false-driver reporting and warning system according to the preamble of claim 1.
  • DE 191 26 548 A1 discloses a direction-of-travel monitoring device in which transmitters are provided on the railroad side which emit signals which are emitted by vehicle-side receivers or by a vehicle-side central unit connected thereto.
  • ral data processing device to be processed at least to warning signals.
  • a practical implementation of this concept would be extremely expensive, since all vehicles would need to be equipped with the appropriate receiving and processing units.
  • wrong-way driving in the event of intentional wrong driving can not be prevented by issuing a signal to the wrong-way driver.
  • DE 101 26 548 A1 further intervenes in the case of a wrong driving in the on-board electronics, the gasoline supply and / or the ignition coil and / or the engine control and / or the brakes of the respective vehicle ago, which would increase the investment even more.
  • 1st phase detection of wrong-way driving
  • radio modules for detecting wrong-way driving can be permanently installed on the guardrails of a roadway section to be monitored, such as, for example, a motorway entrance / exit. These radio modules use the principle of radio shading to detect the drive in the wrong direction. In this case, fluctuations in the reception field strength, due to the passage of the vehicle, detected.
  • a central beacon can in this case fuse the radio field information of all installed beacons of the detection system and thus detect the direction of the transit.
  • warning beacons After the detection of a wrong course alarming strategies for affected road users and preferably also the wrong driver in the direct danger area are provided.
  • the warning beacons can be equip with optical warning units.
  • These warning beacons can be distributed over a larger roadway section and are connected to the detection system wirelessly, preferably via a so-called "hop-to-hop network".
  • a "hop-to-hop network” means a transfer of information from one beacon to the other, so that even larger distances to the monitored road section with low transmission power can be bridged.
  • warning messages can also be sent via the established short-range radio network to local warning units in vehicles, which however is not absolutely necessary for the effectiveness of the method and the system according to the invention and to avoid at least high initial investment.
  • 3rd phase long-distance traffic warning via mobile radio and radio
  • the radio modules can include an integrated housing solution with so-called “energy harvesting capabilities", which makes maintenance-free operation without permanent power supply possible.
  • the detection may be independent of the vehicle equipment and the environmental properties, that is, a reliable detection of intended wrong-way driving is possible, in particular because according to the invention results in a clearly defined or defined detection range.
  • both local and wide traffic alerts can be issued. Furthermore, the procedure according to the invention for evaluating shading allows an integrated system without additional sensors. In addition, the basic principle of "damping / interrupting" according to the invention has the advantage of lower transmission powers Finally, there is the advantage that the vehicles themselves are not identified by the method according to the invention, so that no data protection problems arise when using the method according to the invention and the system according to the invention.
  • the method according to the invention and the system according to the invention are based on a cost-optimized radio solution in terms of energy consumption, for which it is possible to use the IEEE 802.15.4 standard for short-range communication, since This standard, for example, compared to WLAN standards with significantly lower transmission power works and uses an optimized for battery operation Medium Access Control Layer (MAC).
  • MAC Medium Access Control Layer
  • IEEE 802.15.4 works with a maximum transmission power of 0 dBm, whereby WLAN uses ten higher transmission powers. The resulting ranges do not differ significantly. Thus, the IEEE 802.15.4 is achieved in the open field at high throughput at a distance of up to 100 m. Another advantage is the small size of the already available modules.
  • the local radio module can be used here for the detection of wrong-way drivers, for internal communication between the brands via a mesh network and also for optional communication between the beacons and a mobile warning unit in the wrong-way driver.
  • the detection system is preferably capable of performing autarkic detection of wrong-way drivers.
  • the approach is pursued to detect passive objects (ie, no active subscribers of the radio network) on the basis of the influences on the radio field.
  • beacons periodically transmit pilot signals for setting up the radio network. It can be spanned in this way a network of redundant connections.
  • the number of radio modules to be used can hereby be adapted to the respective location to be monitored, wherein preferably a plurality of bidirectional connections are continuously monitored with a defined time interval. If a vehicle moves through one of the connections, shading occurs. This shadowing causes a weakening of the RSSI (Received Signal Strength Indicator), ie the resulting reception field strength.
  • RSSI Receiveived Signal Strength Indicator
  • This burglary can be detected reliably if the pilot signals are transmitted in a meaningfully defined interval, so that a compromise between power consumption and detection speed can be found.
  • the system it is possible for the system to detect the order of connections with signal strength field fluctuations, thus determining if the vehicle is moving in the correct direction.
  • this logic ensures the correct interpretation of the wrong-way driver detection.
  • the information about the detection can be forwarded to a master module (masterbake), which is able to merge the information of all beacons to create a complete picture.
  • masterbake master module
  • the logic is also used to adjust the operating states.
  • the preferably provided long-distance communication represents a forwarding of the detected wrong-way drive to the entire traffic network, but according to the invention is a further technological aspect that is not absolutely necessary according to the method and the system according to the invention.
  • an integrated UMTS module on the master beacon can take the warning to a traffic control center, which sends a warning to the other road users via the TMC channel.
  • FIG. 3 is a schematically simplified block diagram of a master beacon with this standing in operative connection with other components of the system according to the invention
  • FIG. 4 shows a representation corresponding to FIG. 3 for explaining the design principle of an optional mobile warning unit
  • FIGS. 5-8 representations of the principle of attaching radio modules to installations of road sections to be monitored, such as crash barriers and / or cat's eyes.
  • FIG. 1 and 2A show schematically simplified schematic diagrams of a possibility of forming a Falschand reporting and warning system 1 according to the invention, wherein the representation of Fig. 1 may be a highway A-Aausfahrt.
  • the roadway section 3 to be monitored in this case is provided with a detection device 2 for the purpose of its monitoring.
  • the lane section 3 has an associated correct direction of travel 4, in the exemplary case thus represents the highway exit.
  • This exit drives for the purpose of explaining the functional principles according to the invention a wrong-way driver FF with his vehicle against the correct direction of travel 4 a.
  • the system 1 according to the invention further comprises a warning device 5, which, as will be described in more detail below, is provided depending on the measurement result of the detection device 2 for emitting at least one warning signal, which in the drawing is denoted by the reference numbers WS, WS ", WS". and WS 1 identifies ".
  • the detection device 2 comprises a plurality of radio channels, in the example, two radio transmitter 6 and 7, on a road side 8 of the monitored road section 3.
  • the radio transmitter 6 and 7, are in this case as seen in the direction of travel 4, spaced from each other
  • a larger number of radio transmitters along the roadway side 8 can be provided.
  • a plurality of radio receivers in the example, three radio receiver 9, 10 and 1 1, provided, which, seen in the direction of travel 4, are also spaced from each other and for establishing a radio field 13 with at least two seen in the direction of travel 4, spaced radio field sections 14, 15, 16, 17 are provided by receiving the radio transmitters 6, 7 emitted radio signals.
  • a larger number of radio receivers along the direction of travel 4 on the opposite side of the road 12 can be provided.
  • the system 1 according to the invention has an evaluation device 18 (see FIG. 3).
  • the radio transmitter 6 and 7 and the radio receiver 10 and 1 1 are each constructed as identical radio modules. They each comprise a transmitting unit RF which emits pilot signals PS, a reception (detection) unit DT, an optional sensor unit OS and a power supply unit E.
  • master beacon furthermore comprises a logic unit L and a further transmission unit RF for long-distance traffic.
  • the radio modules 6, 7, 10 and 1 1 can work both as a transmitter and as a receiver and accordingly be arranged alternately on the lane sides 8 and 12, depending on how it the application requires or makes sense.
  • the master module 9 is used to merge all information and the warning device 5, an external warning center 19 and, if vehicles are provided with corresponding receiving units, both wrong-drive vehicles and vehicles of other participants to inform about detected hazards or to warn them.
  • the warning center 19 can have TMC, cell broadcast, SMS or application modules for smart phones, via which, as stated, Local warning units 5A, 5B, wrong-way driver FF or other road users can be warned after detecting a wrong-way driver FF.
  • the equipping of vehicles with mobile warning units represents an option that is not absolutely necessary for the function of the method according to the invention or of the system according to the invention.
  • FIG. 4 shows a schematically greatly simplified illustration of such a mobile warning unit 20, which may have a power supply E, a display unit A, a transceiver unit RF, a logic module L and a mobile radio mobile MF and a Bluetooth module BT.
  • the mobile warning unit 20 is based on an equivalent platform as the transmitting and receiving units of the detection device 2.
  • FIG. 5 shows a guardrail 21 in which, in the exemplary case, three warning units 5A and 5B are arranged at a distance from each other.
  • FIG. 6 shows a so-called cat's eye 22, which is provided with a warning unit 5A or 5B above the reflector 23.
  • FIG. 7 again shows cat's eyes 22, which are provided with different plug-in fastening devices 24, 25 and 26, respectively, which can be inserted into corresponding plug-in receptacles 27 and 28 of a guardrail 21.
  • FIG. 8 again shows the upper part of a cat's eye 22, which in this case is provided with a radio module, which is designated by the reference numeral 6 as a representative of all radio modules described above.
  • a radio field 13 on the described transmission modules 6, 7 and receiving modules 9, 10 and 1 1 is constructed across the track section 3 to be monitored away.
  • This radio field 13 is constructed by transmitting and receiving pilot signals PS (see FIG. 3) from the mentioned modules 6, 7, 9, 10 and 11 and extends substantially transversely to the predetermined correct direction of travel 4 of the roadway section 3.
  • a wrong-way driver FF drives into the lane section 3 to be monitored, which according to the illustration selected in FIG. 1 is the left lane section of a motorway entrance or exit
  • the vehicle of the wrong-way driver FF is identified by a radio shading FASC (see FIGS ) which gives attenuations AS of the reception field strengths EFF of the radio field sections 14 to 17 (see Fig. 2B).
  • the order of the radio field sections is determined in which a weakening AS of the respectively assigned reception field strength EFS was detected.
  • the order of the radio field sections is that of the associated reference numerals 17, 16, 15, 14, which results in a weakening sequence in the subsequent comparison method step counter to the correct direction of travel 4.
  • warning signals are initiated, which are identified in FIG. 2A by the reference numbers WS, WS ', WS "and WS'".
  • the warning signal WS is a signal to a local, ie the lane section 3 nearby warning unit 5A.
  • the warning signal WS ' is a signal to a further warning unit 5B.
  • the warning signal WS '" is a signal forwarded from the nearby warning unit 5A to the more distant warning unit 5B according to the hop-to-hop principle.
  • the warning units 5A and 5B issue visual and / or audible warnings of the road users in traffic alongside the wrong-way driver FF.
  • the warning center 19 in principle also the radio module 9 as a master module or master beacon warn signals WSFF to the wrong-way driver FF.
  • the warning center 19 can also actuate the further located warning units WB by the warning signal WS "".
  • the warning center 19 of principle also operate the locally nearby warning units 5A.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé permettant de déterminer et de mettre en garde contre des automobilistes roulant à contresens (FF), ledit procédé consistant à : a) établir un champ radio (13) au-delà d'une section de chaussée à contrôler (3) et au moins de façon sensiblement transversale à un sens de circulation correct prédéfini (4) de la section de chaussée (3), le champ radio (13) comportant au moins deux sections de champ radio espacées (14, 15, 16, 17), dans le sens de circulation (4), avec des intensités de champs de réception attribuées (EFS); b) enregistrer les diminutions (AS) des intensités de champ de réception (EFS) des sections de champs radio (14-17) survenant lors de la traversée de la section de chaussée (3) par projection d'ombre radio (FASC); c) déterminer l'ordre des sections de champ radio (14-17 ou 17-14), dans lesquelles une diminution (AS) des intensités de champs de réception attribuées (EFS) a été enregistrée; d) comparer l'ordre de diminution déterminé (14-17 ou 17-14) au sens de circulation correct (4); et e) déclencher au moins un signal d'avertissement (WS; WS'; WS"; WS'"; WS""), si l'ordre de diminution (17-14) évolue contrairement au sens de circulation correct (4).
EP11745482.7A 2010-06-28 2011-06-28 Procédé permettant de déterminer et de mettre en garde contre des automobilistes roulant à contresens ainsi que système d'indication et d'alerte d'automobilistes roulant à contresens Not-in-force EP2586019B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010025379A DE102010025379A1 (de) 2010-06-28 2010-06-28 Verfahren zur Ermittlung von und Warnung vor Falschfahrern sowie Falschfahrer-Melde- und Warnsystem
PCT/EP2011/003178 WO2012000651A1 (fr) 2010-06-28 2011-06-28 Procédé permettant de déterminer et de mettre en garde contre des automobilistes roulant à contresens ainsi que système d'indication et d'alerte d'automobilistes roulant à contresens

Publications (2)

Publication Number Publication Date
EP2586019A1 true EP2586019A1 (fr) 2013-05-01
EP2586019B1 EP2586019B1 (fr) 2018-04-25

Family

ID=44630442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11745482.7A Not-in-force EP2586019B1 (fr) 2010-06-28 2011-06-28 Procédé permettant de déterminer et de mettre en garde contre des automobilistes roulant à contresens ainsi que système d'indication et d'alerte d'automobilistes roulant à contresens

Country Status (4)

Country Link
US (1) US8917188B2 (fr)
EP (1) EP2586019B1 (fr)
DE (1) DE102010025379A1 (fr)
WO (1) WO2012000651A1 (fr)

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Also Published As

Publication number Publication date
US20130147639A1 (en) 2013-06-13
WO2012000651A1 (fr) 2012-01-05
EP2586019B1 (fr) 2018-04-25
US8917188B2 (en) 2014-12-23
DE102010025379A1 (de) 2011-12-29

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