EP2188798A1 - Système de contrôle de trafic - Google Patents

Système de contrôle de trafic

Info

Publication number
EP2188798A1
EP2188798A1 EP08803070A EP08803070A EP2188798A1 EP 2188798 A1 EP2188798 A1 EP 2188798A1 EP 08803070 A EP08803070 A EP 08803070A EP 08803070 A EP08803070 A EP 08803070A EP 2188798 A1 EP2188798 A1 EP 2188798A1
Authority
EP
European Patent Office
Prior art keywords
traffic light
light system
information
vehicle
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.)
Withdrawn
Application number
EP08803070A
Other languages
German (de)
English (en)
Inventor
Ulrich STÄHLIN
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.)
Continental Teves AG and Co OHG
Original Assignee
Continental Teves AG and Co OHG
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 Continental Teves AG and Co OHG filed Critical Continental Teves AG and Co OHG
Publication of EP2188798A1 publication Critical patent/EP2188798A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G08G1/096791—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 another vehicle
    • 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
    • G08G1/096708—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
    • G08G1/096708—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
    • G08G1/096725—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 generates 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
    • G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
    • 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
    • G08G1/096783—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
    • G08G1/09—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
    • G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle

Definitions

  • the invention relates to traffic control and assistance technology for vehicles.
  • the invention relates to a traffic light system, a security system for a vehicle, a method for generating meta-information, a program element and a computer-readable medium.
  • a traffic light system for generating meta information on the basis of input information is specified, the input information relating to the surroundings of the traffic light system.
  • the traffic light system is particularly suitable for increasing road safety and for providing a constant flow of traffic.
  • the traffic light system has a control unit for generating the meta information on the basis of the input information and a communication unit for transmitting the meta information to adjacent vehicles or adjacent traffic light installations, wherein the meta information for generating a constant traffic flow is executed.
  • the traffic light system is designed in such a way that it can use the meta information generated by it to ensure that the vehicles traveling in the area of the traffic light system always have information about the optimum speed. In this way, congestion can be avoided and it can be saved gasoline.
  • the input information to information that has been sent from a vehicle to the traffic light system.
  • neighboring vehicles can monitor the vehicle environment and send appropriate information to the traffic light system. This information is then analyzed and processed in the traffic light system. The result of the further processing is then broadcast (broadcast) to all neighboring vehicles, so that they can set their speeds accordingly optimal.
  • the input information is transmitted to the traffic light system via short-range communication.
  • the wireless transmission from the vehicles to the traffic light system via WiMax, Bluetooth or Digital Short Range Communication (DSRC), or via GSM, UMTS, LTE or WLAN (eg 802.11 p).
  • WiMax Wireless Fidelity
  • DSRC Digital Short Range Communication
  • GSM Global System for Mobile communications
  • UMTS Universal Mobile Telecommunications
  • LTE Long Term Evolution
  • WLAN eg 802.11 p
  • the vehicles are, for example, a motor vehicle, such as a car, bus or truck, or even a rail vehicle, a bicycle or a motorcycle.
  • the input information contains information that the vehicle is an emergency vehicle (such as ambulance, police car, fire engine).
  • the traffic light system for example, perform a Freiwegsclien for the emergency vehicle at a traffic light crossing.
  • the input information to monitoring data of the environment of the traffic light system, which receives the traffic light system via its own sensors.
  • the traffic light system is equipped, for example, with one or more cameras, with which the traffic light system can determine the traffic flow density and the speed of the individual vehicles. Also, other sensors may be provided, such as photocells, with the aid of the traffic flow can be measured.
  • the traffic light system performs a traffic flow control, without relying on data from neighboring vehicles. Rather, the traffic light system makes all the measurements itself.
  • the traffic light system can also evaluate both data sets and include them in their calculation (on the one hand the self-measured data set and on the other hand the data transmitted by the neighboring vehicles).
  • the meta-information contains a speed recommendation for the neighboring vehicles.
  • Speed recommendation can be individualized, for example. For example, for the vehicles on a first road, a different speed recommendation may be communicated as for vehicles that are on a different road. This is also true for different lanes.
  • the meta-information is executed for the automatic activation of a driver assistance system or for setting a speed control (ACC, Adaptive Cruise Control) of a receiving vehicle.
  • ACC Adaptive Cruise Control
  • the traffic light system is a mobile traffic light system.
  • these are traffic lights that are temporarily placed on construction sites or danger spots.
  • the traffic light system has one or more data memories for storing and collecting the input information, the control unit of the traffic light system being designed to create a digital map via the surroundings of the traffic light system on the basis of the input information.
  • the (mobile) traffic light system can create its own digital map and emulate the road train or intersection on which it is installed itself. This is particularly advantageous for mobile traffic lights that have no or obsolete digital maps.
  • the traffic light system is capable of learning by simulating the road network of its environment with the aid of its own measurements and / or with the aid of information that it receives from neighboring vehicles.
  • control unit is designed to analyze the input information and, on the basis of this analysis, to determine whether the vehicle is moving towards the traffic light or not.
  • control unit may determine whether the vehicle will pass the traffic light in the near future or, for example, move on a parallel road.
  • the communication unit of the traffic light system is designed to interconnect a plurality of traffic light installations with one another.
  • the networking takes place for example via the Internet using the Internet Protocol.
  • a safety system for a vehicle is specified, which is designed for communication with a traffic light system described above.
  • the security system has a communication unit for automatically transmitting information to the traffic light system and for receiving metainformation from the traffic light system and a control unit for automatically evaluating the meta information sent by the traffic light system.
  • the control unit further serves to generate a control signal to assist the driver of the vehicle based on the received meta-information.
  • the security system can receive warning information from the traffic light system.
  • This warning information may also contain, for example, position information of the danger point.
  • the security system can decide whether or at what time the warning should be communicated to the driver or a driver assistance system of the vehicle.
  • the other vehicle is an emergency vehicle (such as an ambulance, a police car, or a fire truck) that does not move toward the vehicle, but moves away from it, or is on an adjacent road that does not Vehicle leads
  • the warning signal from the safety system may indeed be noted.
  • the security system decides that no further action is required.
  • the control signal which the control unit generates to assist the driver may be, for example, an acoustic signal, a visual signal for the driver's display, an entry in a digital map, general information or else a control signal for a driver assistance system (or a combination of the above options).
  • a control signal for a driver assistance system or a combination of the above options.
  • changes in the ABS or ESP settings in the vehicle can be made using the control signal.
  • the standard friction coefficients for ABS and ESP can be changed. It is also possible with the aid of the control signal to set the set cruise control speed or the minimum tolerance for the ACC (Automatic Cruise Control) to preceding vehicles.
  • the warning information sent by the traffic light system contains information that a vehicle is stationary or below a specified minimum speed.
  • the traffic light system has a corresponding sensor that u. a. measures the speed of the vehicles and compares them with an average measured speed. If the currently measured speed of the vehicle drops below a certain minimum value (which can vary from road to road), or if the vehicle is even on the road, an appropriate speed will be detected
  • Warning information issued together with the vehicle position can be received by the neighboring vehicles, whereupon the drivers (visually or acoustically) are warned and if necessary control signals are generated to the driver assistance units in order to avoid an accident.
  • the warning for the individual drivers can be made optically (via a corresponding display, acoustically and / or also haptically (for example in the form of a vibration of seat or steering wheel) or an entry in a digital map of the vehicle on which the information and the location of the danger spot are recorded.
  • digital map is also understood to mean maps for advanced driver assistance systems (ADAS) without navigation.
  • ADAS advanced driver assistance systems
  • GPS is representative of all global navigation satellite systems (GNSS) such. GPS, Galileo, GLONASS (Russia), Compass (China), IRNSS (India) ...
  • GNSS global navigation satellite systems
  • a method for generating metainformation based on input information about the surroundings of a traffic light system in which input information is generated, meta information is generated on the basis of the input information by the traffic light system and the meta information is transmitted to neighboring vehicles. This meta information serves to generate a constant traffic flow in the surroundings of the traffic light system.
  • a program element is specified which, when executed on a processor of a traffic light system, instructs the processor to perform the steps described above.
  • a computer-readable medium is specified on which a program element is stored, which, when executed on a processor of a traffic light system, instructs the processor to carry out the above-mentioned method steps.
  • the program element z. B. part of a software that is stored on a processor of the traffic light system.
  • the processor can also be the subject of the invention.
  • this embodiment of the invention comprises a program element, which already uses the invention from the beginning, as well as a program element, which causes an existing program for use of the invention by an update.
  • Fig. 1 shows a schematic representation of a security system according to an embodiment of the invention.
  • Fig. 2 shows a representation of a traffic light system and of vehicles according to an embodiment of the invention.
  • Fig. 3 shows two vehicles according to an embodiment of the invention.
  • Fig. 4 shows a traffic light system with two vehicles according to another embodiment of the invention.
  • Fig. 5 shows two vehicles according to another embodiment of the invention.
  • FIG. 6 shows a flowchart of a method according to an embodiment of the invention.
  • FIG. 7 shows a representation of components of a traffic light system according to an exemplary embodiment of the invention.
  • the security system 100 has a control unit 140, a communication unit 122 with an antenna 123 and a position determination unit 106.
  • the data to be transmitted which is transmitted to the communication unit 122 by the control unit 140, which is embodied, for example, in the form of a CPU, can be encrypted via an encryption device 121.
  • the received data transmitted from the communication unit 122 to the control unit 140 may be decrypted by the encryption unit 121. In this way, the risk of abuse can be reduced. In particular, it can be ensured in this way that only information from vehicles are used, which have actually installed a corresponding security system.
  • An input unit 126 is connected to the control unit 140. By means of the input unit 126, various settings of the security system 100 and possibly on a navigation unit 120 associated therewith can be made.
  • an optical output unit in the form of a monitor 128 is provided, on which, for example, route guidance information can be output.
  • the route guidance information may also be output via the acoustic output unit 127.
  • warnings can also be output to the driver.
  • the output via the acoustic output unit 127 has the advantage that the driver is less distracted from the current traffic situation.
  • the digital map data (eg as navigation map data) are stored in the form of data records and, for example, additional information about traffic restrictions in the memory element 124, Infrastructures (traffic lights, etc.) and the like stored and assigned to the records.
  • a driver assistance system 120 is provided, which is supplied with the digital map data and, for example, also with the meta information sent by the traffic light system (for example warning information and position information and a recommended directing speed) as well as sensor information measured by the own vehicle.
  • the traffic light system for example warning information and position information and a recommended directing speed
  • the security system 100 has a navigation unit 120 with a satellite navigation receiver 106, which is designed to receive positioning signals from, for example, Galileo satellites or GPS satellites.
  • the satellite navigation receiver 126 may also be implemented for other satellite navigation systems.
  • the satellite navigation receiver 106 is connected to the control unit 140. Also, the navigation unit 120 is connected to the control unit 140. Furthermore, there is a direct Connection between the navigation unit 120 and the satellite navigation receiver 106. Thus, the GPS signals can be transmitted directly to the CPU 140.
  • the senor 119 of the communication device 100 for performing a dead reckoning also a direction sensor 107, a Wegumblensensor 108, a steering wheel angle sensor 109, a spring travel sensor 102, an ESP sensor 103 and possibly an optical Detector 104, for example in the form of a camera on.
  • a beam sensor 105 radar or lidar sensor
  • the sensor system 1 19 has a speedometer 101.
  • the signals of the GPS receiver 106 and the remaining sensors are processed in the control unit 140.
  • the vehicle position determined from these signals is compared to the road maps via map matching.
  • the route guidance information thus obtained is finally output via the monitor 128.
  • FIG. 2 shows a traffic light system 700 with three traffic lights 204, 205, 206.
  • the three traffic lights each have their own transmitting and receiving device with a corresponding arithmetic unit 207, 208, 209.
  • the traffic lights or even several traffic lights can be connected to a central processing unit, which also has a central transmitting and
  • Receiving unit has. A corresponding electronics is shown in more detail in Fig. 7.
  • Each of the three illustrated vehicles 201, 202, 203 has its own safety system 100 that is integrated in the vehicle.
  • the vehicles communicate with each other and with the traffic light system via a wireless communication link 210.
  • the vehicle 203 is, for example, a stalled accident vehicle.
  • the vehicle 202 is, for example, an emergency vehicle, which is on the way to the scene of the accident.
  • the vehicle 201 is, for example, a normal road user, but can not see the accident site and also does not notice the approaching rescue vehicle.
  • the neighboring vehicles are informed by the safety system 100 of the vehicle 203 that this vehicle had a rear-end collision and has come to a halt in the middle of the roadway. This informs the driver of the vehicle 201 as well as the driver of the rescue vehicle 202. Also, the corresponding driver assistance systems of the two adjacent vehicles 201, 202 are informed accordingly so that they can intervene if the drivers do not do so.
  • the emergency vehicle 202 approaches the traffic light system 204, 205, 206 and transmits a corresponding signal to the traffic light system, whereupon the traffic light 205 is switched to green and the traffic lights 204 and 206 to red, so that the vehicle 202 can pass the intersection unhindered.
  • the traffic light circuit alerts the safety system of the vehicle 201 in time so that it can optimally set the speed of the vehicle 201 (for example, so that the driver of the vehicle 201 does not have to stop or decelerate the car because it is approaching the traffic light slowly enough) to maintain traffic flow).
  • FIG. 3 shows two vehicles 201, 203, which are each equipped with a safety system 100.
  • the stationary vehicle 203 transmits its position with a corresponding warning 302 to the vehicle 201 traveling thereon.
  • the vehicle 201 moving in the direction 301 receives the warning signal and issues a corresponding warning to the driver (for example in the form of an optical character and an entry in the digital map). Also, at the same time, the driver assistance unit is informed accordingly so that it can intervene in the driving event.
  • Fig. 4 shows two vehicles 201, 202 approaching an intersection.
  • the vehicle 202 which is an ambulance vehicle, transmits via its safety system 100 the signal that it is an emergency vehicle.
  • the vehicle 201 Since the two vehicles 201, 202 in the direction of 401 or 402 move perpendicular to each other, the vehicle 201 must reduce its speed to avoid an accident.
  • the rescue vehicle 202, the traffic light system 204, 205 controls accordingly and on the other hand, the vehicle 201 from both Emergency vehicle 202 as well as the traffic light system receives information on the basis of which it can adjust its speed optimally.
  • the vehicle 201 may then display an alarm and information about which direction the emergency vehicle is coming from and insert that information into the digital map.
  • the traffic lights transmit their status to both vehicles. The two vehicles can react accordingly to the traffic light status and display it in the digital map.
  • FIG. 5 shows two vehicles 201, 202, each with a safety system 100. Both vehicles move at different speeds in the same direction 501 or 503.
  • the preceding vehicle 202 is located in a region 502 with a low coefficient of friction. This is detected by the vehicle sensor system and a corresponding warning signal with a position indication 504 is transmitted to the vehicle 201 traveling behind it. In particular, information about the road condition is transmitted.
  • the condition of the road surface is detected, for example, by an ABS braking maneuver. If the detected information is classified as critical (ie, an analysis of the detected data can take place in the vehicle 202 traveling in front), a corresponding warning signal with position information is emitted and received by the vehicle 201 traveling behind it.
  • the vehicle 201 traveling behind reacts, for example, by triggering an alarm in the form of an optical signal or by the gas pedal being pushed up by the vehicle electronics. Additionally or alternatively, an acoustic signal can be emitted. Furthermore, the standard friction coefficients for ABS or ESP can be changed. Also, the set speed or / and the set distance for ACC can be changed. Of course, the position of the danger spot 502 can also be entered in the digital map.
  • step 601 input information from an adjacent vehicle is measured and transmitted to the traffic light system.
  • step 602 the traffic light system is still generating additional input information through own measurements.
  • step 603 the traffic light system generates meta-information based on the input information and, in step 604, sends the meta-information to neighboring vehicles, wherein the meta-information for generating a constant traffic flow is executed.
  • FIG. 7 shows a schematic representation of components 700 of a traffic light system.
  • the components shown in FIG. 7 can be installed in every single traffic light of the traffic light system or in a central traffic light or an (external) central station.
  • control unit 701 which is embodied, for example, in the form of a CPU, a memory 704, a sensor system in the form of a camera or radar 703 and a communication unit 702 with an antenna 705 and an encoder 706.
  • the coding device 706 here corresponds to the coding device 121 of FIG. 1 of the vehicle safety system 100.
  • the remaining elements may also be designed like the corresponding components in the vehicle safety system 100 (memory 124, CPU 140, communication unit 122, camera 104).
  • the control unit 701 of the traffic light system controls the signal switching of the traffic light system. On the other hand, the control unit 701 generates the meta information sent to the neighboring vehicles via the communication unit 702.
  • the encryption device 706 can ensure that the vehicles only take note of meta information from verified traffic light systems. Abusive data is identified and discarded.
  • a direction-based algorithm is used.
  • the control unit 701 of the traffic light system can also carry out a learning algorithm which generates a digital environment map by communicating with civil road users. After the learning process, the assignment is based on the learned map, which allows a correct function even with very special crossing scenarios.
  • the traffic light system monitors the traffic in its surroundings. For observation environment sensors, such as cameras or radar are used. The information can also be used by other vehicles that are sent to the traffic light system via vehicle-to-infrastructure communication (C2X).
  • C2X vehicle-to-infrastructure communication
  • the traffic light system buffers this coefficient of friction and transmits it again as soon as another vehicle approaches. Similarly, other events can be handled.
  • the traffic light system Since the traffic light system observes the traffic flow over a longer period, it can determine the average traffic density. If there are deviations in the direction of a lower speed, which are not due to a higher vehicle density, it can be concluded that there is a danger zone. This information can then be transmitted via C2X.
  • the average speed in the range considered can also be passed on as a recommendation, whereby legal regulations must be observed. This means that no speeds are recommended that are not allowed. Detected danger zones can also recommend the speed other vehicles drive in this area.
  • the recommendation can either be forwarded via C2X or displayed on an infrastructure unit via a sign. This recommendation can then z. B. directly be set in an ACC of a receiving vehicle or displayed to the driver.
  • information that z. B. be sent from parking vehicles or vehicles in a traffic jam to the traffic lights can be determined with the help of the traffic flow can be optimally controlled without the need for additional infrastructure units must be set up. This can reduce the density of the infrastructure units.
  • a vehicle is stuck in traffic, but with its camera and radar it can monitor oncoming traffic. With these sensors, the vehicle can the
  • the traffic light system can then use this data to generate and send suitable metadata for neighboring vehicles.
  • An infrastructure unit for example, a traffic light system
  • the traffic light system sends a warning in this case
  • An infrastructure unit observes the speed of the vehicles in one place. In addition, it is known how the structurally determined maximum speed can be at this point (eg a curve). If deviations of the maximum speed occur at this point, which are not due to the traffic flow and additionally persist for a longer period of time (for example several minutes), a lower coefficient of friction can be assumed and the infrastructure unit (traffic light system) sends a warning.
  • the structurally determined maximum speed can be at this point (eg a curve). If deviations of the maximum speed occur at this point, which are not due to the traffic flow and additionally persist for a longer period of time (for example several minutes), a lower coefficient of friction can be assumed and the infrastructure unit (traffic light system) sends a warning.
  • a vehicle is parked in a parking lot. However, the vehicle's C2X unit continues to be powered and receives the positions, speeds, etc. of the passing vehicles. From this, the C2X unit determines one
  • parked vehicles or traffic lights
  • a quasi-stationary determination of information can be made and thus an infrastructure unit can be replaced.
  • a mobile traffic light system can be used instead of a parked vehicle.
  • Embodiments may also be used in combination with other features or steps of other embodiments described above. Reference signs in the claims are not to be considered as limitations.

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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 des systèmes de feux de signalisation destinés à produire des méta-informations sur la base d'informations d'entrée relatives à l'environnement des systèmes de feux de signalisation. Le système de feux de signalisation constitue un groupe de données et peut, de façon indépendante, représenter, avec les informations qu'il a mesurées ou obtenues par les véhicules voisins, un tronçon routier. À partir des informations d'entrée, le système de feux de signalisation peut produire en outre des méta-informations qui sont communiquées aux autres véhicules et permettent d'assurer ainsi un flux de trafic constant.
EP08803070A 2007-08-30 2008-08-15 Système de contrôle de trafic Withdrawn EP2188798A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007041359 2007-08-30
PCT/EP2008/060779 WO2009027253A1 (fr) 2007-08-30 2008-08-15 Système de contrôle de trafic
DE102008037883A DE102008037883A1 (de) 2007-08-30 2008-08-15 Verkehrsleitsystem

Publications (1)

Publication Number Publication Date
EP2188798A1 true EP2188798A1 (fr) 2010-05-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08803070A Withdrawn EP2188798A1 (fr) 2007-08-30 2008-08-15 Système de contrôle de trafic

Country Status (4)

Country Link
US (1) US8330622B2 (fr)
EP (1) EP2188798A1 (fr)
DE (1) DE102008037883A1 (fr)
WO (1) WO2009027253A1 (fr)

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US8330622B2 (en) 2012-12-11

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