EP4133470B1 - Procédé de régulation d'un flux de trafic sur un rond-point - Google Patents

Procédé de régulation d'un flux de trafic sur un rond-point Download PDF

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Publication number
EP4133470B1
EP4133470B1 EP21728530.3A EP21728530A EP4133470B1 EP 4133470 B1 EP4133470 B1 EP 4133470B1 EP 21728530 A EP21728530 A EP 21728530A EP 4133470 B1 EP4133470 B1 EP 4133470B1
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EP
European Patent Office
Prior art keywords
roundabout
traffic
control unit
road user
road
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Application number
EP21728530.3A
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German (de)
English (en)
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EP4133470A1 (fr
Inventor
Julia RAINER
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Audi AG
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Audi AG
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    • 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
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
    • 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
    • G08G1/01—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
    • G08G1/01—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
    • G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow 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
    • G08G1/16—Anti-collision systems
    • G08G1/164—Centralised systems, e.g. external to vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection

Definitions

  • the invention relates to a method for regulating a traffic flow in a roundabout. Furthermore, the invention relates to a roadside unit that is designed as a traffic control unit according to the invention.
  • V2X Vehicle to everything
  • applications and methods of today which are intended to cover more complex situations with several road users, only cover a part of the necessary traffic mechanisms, such as "Do Not Pass Warning DNPW” or "Emergency Vehicle Warning ".
  • DNPW Do Not Pass Warning
  • Emergency Vehicle Warning In order for networked and automated driving to be implemented safely, however, all traffic scenarios must be covered. Since networked and automated vehicles will have to drive through roundabouts just as smoothly in the future and/or be able to drive through roundabouts more efficiently, a method must be developed that covers this field.
  • V2I vehicle-to-infrastructure
  • RSUs Road Side Units
  • These RSUs play an important role in such communication and can serve, for example, as virtual traffic lights and/or information distributors. These RSUs receive information from the road users in range via the network and distribute the relevant information to the road users affected by it, such as traffic jam information to road users who are approaching a traffic jam.
  • a method for controlling the flow of traffic in a roundabout is known, with an entry time being determined by means of sensor data evaluation and communication between autonomous vehicles.
  • a system for controlling autonomous vehicles is known, vehicles in the area of a roundabout communicating with a server that calculates an order in terms of entering the roundabout and sends it to the vehicles.
  • a method for controlling the flow of traffic in a roundabout in which an entry of an ego vehicle into the roundabout is regulated on the basis of traffic information from a number of road users, so that the need to decelerate when the ego vehicle enters the roundabout is reduced can.
  • the object of the invention is to manage resources of a roundabout in order to guide a traffic flow of road users through the roundabout without disruption.
  • the traffic control unit receives messages from the road users, based on which route data of the road users can be determined for their journey through the roundabout.
  • route data can be calculated, for example, by an algorithm that is implemented in the traffic control unit and can be taken from the prior art relating to traffic flow optimization.
  • the invention provides a method for controlling traffic flow in a multi-lane roundabout.
  • the traffic flow of road users in the roundabout is regulated by a traffic control unit.
  • roundabout resources are managed by the traffic control unit.
  • the resources include a route of a vehicle in the roundabout and/or a lane of the roundabout on which road users can be guided.
  • the resources include a roundabout throughput capacity (road users per minute).
  • the road users can approach the roundabout and be connected to the traffic control unit via a network, which enables communication between the road users and the traffic control unit.
  • the communication can take place by means of messages that can be generated by the road users and/or the traffic control unit.
  • the messages can be exchanged in the network between the road users and the traffic control unit in order to control the traffic flow or the road users through the roundabout.
  • a road user sends a predetermined message with a request to the traffic control unit.
  • the message can be a request which can be sent over the network to the traffic control unit in order to have available or to request the resources of the roundabout.
  • the network can be, for example, a V2X (vehicle-to-everything) network and/or a V2I (vehicle-to-infrastructure) network and/or a general ad-hoc communication network, which represent preferred examples. It is generally a radio-based communication network.
  • the traffic control unit can be a Road Side Unit, RSU, which serves as a resource manager in the roundabout.
  • the RSU can have an overview of the roundabout e.g. by supporting cameras or generally by at least one local sensor (e.g. radar sensor or LIDAR sensor or infrared sensor), which can be provided by one of the road users and/or permanently installed in the roundabout can.
  • the messages can, for example, each represent the request described and/or a current position and/or route of a vehicle. Messages with a position and/or route can also be repeatedly generated by road users while they are in the roundabout.
  • the messages can therefore summarize a current position and/or a calculated or planned route from and/or for a road user entering and/or driving in the roundabout and/or a request from an entering road user and/or a message sent by the traffic control unit contain a control signal (e.g. a wait command).
  • the roundabout is a multi-lane roundabout.
  • the traffic flow in the roundabout is therefore determined at least based on the messages.
  • the messages sent by the road users enable the traffic control unit to recognize the current flow of traffic and/or a traffic jam in the roundabout.
  • the traffic control unit on the Based on the sensor data of the sensors used in the roundabout, determine when which road user comes to the roundabout and/or where he is in the roundabout.
  • the sensors can include at least one radar sensor and/or infrared sensor and/or LIDAR sensor, for example.
  • a message with a control signal is generated for the road user currently entering.
  • the traffic control unit can send a control signal to the respective traffic user in order to determine whether and/or when the traffic user is provided with the resources of the roundabout.
  • the control signal can represent a waiting signal, for example, which instructs the road user to wait at the roundabout.
  • the control signal can represent a release signal, which means that the road user may enter the roundabout.
  • the message informs the respective road user when (in which time window) and/or along which route the road user can enter the roundabout.
  • the message sent by the traffic control unit can contain one of two possible control signals and/or outputs: 1).
  • the message may contain the wait signal when the roundabout's resources are currently not freely available and/or the roundabout is congested; 2).
  • the message represents the entry clearance signal and/or resource data that can be used by the entering traffic user to navigate the roundabout in a manner consistent with other traffic users.
  • the resources describe a lane and/or a complete route and/or a section of a lane (lane segment) on which the road user is to drive in the roundabout.
  • the second possible output (release signal) can occur if no traffic jam is detected in the roundabout by the traffic control unit.
  • the advantage resulting from the invention is that the resources of the roundabout are managed in such a way that the flow of traffic through the roundabout can be ensured and/or regulated with a low risk of congestion.
  • the invention also includes embodiments that result in additional advantages.
  • the road users in the roundabout send out messages with positioning data and/or destination data and/or route data for the respective road user.
  • the positioning data can indicate where the respective road user is currently located relative to the roundabout and/or where the road users who have entered the roundabout are located.
  • the route data may describe traffic lanes of the roundabout planned or allocated by the traffic controller for a vehicle to travel through the roundabout.
  • the traffic control unit can use the positioning data and the route data of the road users to determine when which road users can or should drive into the roundabout, so that resources can be allocated to the following road users for driving through the roundabout.
  • the road users can be motor vehicles and/or bicycles, for example.
  • Road users can represent vehicles that are in the roundabout and/or are approaching the roundabout.
  • the road users can represent those vehicles that are connected to the traffic control unit via a network and/or that can send the messages to the traffic control unit.
  • One embodiment provides that routes of all road users are determined and/or adjusted to control the roundabout, so that the traffic flow in the roundabout is accident-free.
  • the traffic control unit can determine current, actually used routes and/or future routes to be traveled by the networked road users.
  • the road users are allocated alternative routes for the roundabout if there is a traffic jam in the roundabout and/or a vehicle driving in front in the roundabout breaks down or breaks down.
  • the alternative routes provide for a lane change.
  • the traffic control unit acts as a joint route planner (path planning) or trajectory planner (path and speed planning) for the road users, which has the advantage that the behavior of the other road users is known and/or can be coordinated centrally.
  • the traffic control unit determines, at least based on the messages, whether a traffic jam is present or has occurred in the roundabout and/or the approaching road user may enter the roundabout.
  • sensor data from at least one sensor of the traffic control unit and/or the road users can also be used.
  • the traffic control unit can use sensor data to determine a current traffic situation in the roundabout in order to be able to decide whether and/or when the motorist entering or waiting at the roundabout may enter the roundabout. If a traffic jam is detected at the roundabout, the inbound motorist may be instructed to wait at the roundabout.
  • the traffic jam can be recognized or detected on the basis of the messages and/or sensor data if the positioning data of the road users in the roundabout do not change over time.
  • the traffic jam can be determined based on the travel time of at least one road user that the road user has driven in the roundabout.
  • the travel time in case of traffic jams may be longer be than a travel time without traffic jams.
  • the embodiment has the advantage that the traffic of the entering road users can be controlled based on the determination of the current traffic situation and/or a traffic jam in the roundabout.
  • the entering road user is assigned priority over another entering road user according to a chronological order of their requests.
  • the traffic control unit can instruct an entering road user to wait a certain time at the roundabout.
  • the traffic control unit can provide each entering traffic user with a time window in which the traffic user has to wait at the roundabout or in which he has to enter.
  • the waiting time and/or the time window for the first arriving traffic user at the roundabout can differ from the waiting time for the following traffic user.
  • the waiting time may depend on the traffic situation in the roundabout. This results in the advantage that the incoming traffic at the roundabout can be regulated in such a way that a balanced waiting time can be achieved for each traffic participant entering.
  • the traffic control unit assigns a rank to each road user, with the rank giving priority and/or lower priority to at least one other road user, and the flow of traffic in the roundabout is regulated based on the priority and/or lower rank of the road users .
  • the traffic control unit can distribute the resources of the roundabout to the road users, preferably based on the positioning and/or arrival time at the roundabout and/or the planned routes of the road users.
  • the positioning or position of a road user at the roundabout may represent an entrance or entrance to the roundabout where the road user is located in order to enter the roundabout. Additionally or alternatively, the incoming road user who Arrived first at the roundabout will be given priority.
  • the priority of an entering road user can depend on the fact that no traffic jams occur on the planned route of the entering road user.
  • the traffic flow of the roundabout can be regulated according to predetermined rules of the ranking between the entering road users and the driven-in road users.
  • An entering road user can, for example, have a lower priority than a road user who has already entered the roundabout.
  • the rank may additionally or alternatively depend on whether a road user is an ambulance or a private vehicle, with the former taking precedence. In general, the rank can be determined by a vehicle type (emergency vehicle or private vehicle or convoy vehicle).
  • the control signal already described can, for example, represent entry instructions, which can contain information relating to the assigned route and/or the assigned traffic lane of the roundabout and/or the rank of the road user.
  • said control signal can also instruct an entering road user to wait at the roundabout for a specific time and/or until receipt of entry instructions.
  • the waiting message can be generated if a traffic jam is detected in the roundabout. This results in the advantage that the incoming traffic flow or the entering road users at the roundabout can be controlled by the control signal.
  • the invention also includes a traffic control unit which is set up to carry out the steps of the method according to the invention which relate to the traffic control unit.
  • the traffic control unit can have a data processing device or a processor device which is set up to carry out the steps of the method.
  • the processor device can have at least one microprocessor and/or at least one microcontroller and/or at least one FPGA (Field Programmable Gate Array) and/or at least one DSP (Digital Signal Processor).
  • the processor device can have program code which is set up to carry out the embodiment of the method according to the invention when executed by the processor device.
  • the program code can be stored in a data memory of the processor device.
  • the traffic control unit may be a road-side unit.
  • the invention also includes implementations in which the features of several of the described embodiments are combined in each case, insofar as the embodiments have not been described as mutually exclusive.
  • the traffic flow can include road users 30, 60 who have entered the roundabout 10 and/or who are driving towards the roundabout 10 in order to enter it.
  • the road users 30, 60 can, for example, be motor vehicles, in particular passenger cars and/or passenger buses.
  • the road users 30, 60 can be self-driving motor vehicles and/or motor vehicles driven by people and/or they can be motorcycles and/or bicycles.
  • the traffic control unit 20 may be a roadside unit that may be deployed in and/or at the roundabout 10 .
  • Traffic control unit 20 may include a processor (not shown).
  • the traffic control unit 20 can serve as a resource manager or participant manager in order to control the resources of the roundabout 10 and/or the traffic flow of the road users 30, 60 through the roundabout 10.
  • the resources of the roundabout 10 can represent, for example, lanes and/or lane segments and/or routes of the road users 30, 60 from entering to leaving the roundabout 10.
  • the road users 30, 60 can be connected to the traffic control unit 20 via radio links in a data network or network 40 for short, via which they can communicate with one another.
  • the network 40 can, for example, be a V2X (vehicle to everything) network and/or V2I (vehicle to infrastructure) and/or V2V (vehicle to vehicle) and/or another communication network.
  • the road users 30, 60 can communicate with the traffic control unit 20 via the network 40 by means of messages 50.
  • the messages 50 can be sent by the road users 30, 60 and/or the traffic control unit 20.
  • the messages 50 can contain current positioning data for the road users 30 and/or route data for the road users 30 if they are sent or guided by the road users 30 .
  • the messages 50 sent by the traffic control unit 20 can contain, for example, an instruction and/or a control signal with which the traffic flow of the roundabout can be regulated.
  • the traffic control unit 20 can use the messages 50 from the traffic participants 30 to determine when which traffic participant 30 comes to the roundabout 10 and/or where he is located in the roundabout 10 .
  • the positioning data and destination data of the road users 30, which the road users 30 send to the traffic control unit 20 via the network 40, allows the traffic control unit 20 to determine when which oncoming road users 60 can drive into the roundabout.
  • the traffic control unit 20 can use this data to determine a route or, in general, resources of the road users 60 for the subsequent journey through the roundabout 10 . There is thus an allocation of resources to the road users 60.
  • the traffic control unit 20 can determine the current traffic situation, for example a traffic jam and/or the availability of the resources of the roundabout 10, based on the messages 50 and/or sensor data from the road users 30 that have entered. Based on the current traffic situation of the roundabout 10, the traffic control unit 20 can generate a message 50, which can be sent to the entering road user 60.
  • This message 50 from the traffic control unit 20 can contain a corresponding control signal, through which the entering road user 60 is informed whether he can drive into the roundabout 10 or has to wait at the roundabout 10 .
  • This message 50 can contain route data for the route to be traveled or, in general, resource data for the resources allocated to the road user.
  • the control signal can represent an instruction to enter or an entry signal for the entering road user 60 when there is no traffic jam in the roundabout 10 and/or the resources of the roundabout 10 are freely available.
  • the control signal can represent a waiting message or a waiting signal for the traffic participant 60 entering when the resources of the roundabout 10 are fully exhausted and/or a traffic jam in the roundabout 10 is determined by the traffic control unit 20 .
  • the traffic control unit 20 can use the message 50 to select the resources of the roundabout 10 to be used and/or the route data of the road users 30 such that the flow of traffic through the roundabout 10 can be ensured without delay and/or without accidents.
  • the route data can, for example, take into account when a road user 30 breaks down in the roundabout 10 and/or an accident occurs in the roundabout 10.
  • the following road users 30 are provided with alternative routes, with the alternative routes providing for a lane change.
  • the assignment of the resources of the roundabout 10 is adjusted.
  • the adjustment of the assignment of the Resources of the roundabout 10 can also take place when a road user 30, 60 has to drive through the roundabout 10 with a predetermined priority. For example, road users dealing with emergency services may have priority over normal traffic.
  • a road user for an emergency service may be an ambulance and/or a police vehicle and/or a fire truck.
  • the traffic control unit 20 can also serve as a virtual traffic light 80 with which the flow of traffic through the roundabout 10 can be regulated in the case of high traffic densities or when several road users 60 are entering in each direction to the roundabout 10 .
  • a control signal from the traffic control unit 20 can serve as a green light or a red light to control incoming traffic.
  • the 2 shows a roundabout 10 through which the road users V1, V2, V3, V4 can be routed by the traffic control unit 20 based on a ranking with priority and/or lower priority.
  • the priority and/or subordinate can be specified by rules that can already be provided to the traffic control unit 20 .
  • the general traffic rules for guiding the road users V1, V2, V3, V4 through the roundabout 10 on the basis of priority or lower ranking can apply here (eg a roundabout with “right before left”).
  • the road user V1, who has already driven in the roundabout 10 can have priority over the entering road users 60, for example.
  • the ranks can be determined by a respective category of road users (eg emergency services or private).
  • the traffic control unit 20 can determine route data currently required by the road users V1, V2, V3, V4 and thus determine how the road users V1, V2, V3, V4 are in the roundabout 10 must behave in order to obtain coordination.
  • the route data can, for example, describe lanes and/or lane segments and/or routes of the roundabout 10 on which the road users V1, V2, V3, V4 have to drive through the roundabout 10.
  • the routes R1, R2, R3 can be assigned to the road users V1, V2, V3, V4 by the traffic control unit 20.
  • the routes R1, R2, R3 of the roundabout 10 for the traffic participants V1, V2, V3, V4 only need to be planned by the traffic control unit 20 when the traffic participants V1, V2, V3, V4 receive a message from the traffic control unit 20 to drive in receive.
  • the incoming road users V2, V3, V4 each follow the routes R1, R2, R3.
  • the traffic participant V1 who has entered and is driving on the route R1 can have priority over the traffic participants V2, V3 and can continue to drive through the roundabout 10.
  • the driving traffic participants V2, V3 have to wait because the route R1 can be traveled by the traffic participant V1.
  • the driving traffic participants V2, V3 can receive a waiting message from the traffic control unit 20 so that the risk of an accident can be avoided. Since the route R3 is not planned for the traffic user V1 that has entered, this resource is available and the traffic control unit 20 can thus signal the traffic user V4 that is driving in to continue driving without having to wait at the roundabout 10 .
  • the traffic control unit 20 can define a time window in the waiting message in which the road users V2, V3 have to wait at the roundabout.
  • the time window can be 30 or 60, for example, in a time range of 5 to 60 seconds.
  • the time window can be determined by the traffic control unit 20 based on the current positioning and/or the speed of the road user V1 can be determined.
  • the entering road user V2 can, for example, have a small time window to wait compared to the road users V3 and V4 because the road user V2 has to follow or drive the road user V1 on the same route.
  • the time window can be increased if the traffic participant V1 that has entered the roundabout 10 is moving very slowly or at a speed that can be lower than a normal or permissible speed.
  • the slow speed can be in the range from 0 (breakdown or traffic jam) to 30 km/h, for example.
  • the time window can also depend on whether the traffic participant V1 who has entered has signaled to the traffic control unit 20 that he has arrived at the exit. In other words, the traffic control unit 20 can determine that the traffic participant V1 is leaving the roundabout 10 based on the messages 50 and/or sensor data, so that the time window can be calculated and/or adjusted for each entering traffic participant.
  • the time window for the entering road users V2, V3 can be reduced, for example, if the traffic control unit 20 already knows that the road user V1 has driven through the roundabout 10.
  • the time window for the incoming traffic participants can then be calculated depending on route data and/or destination data and/or parameters of the next traffic participant that has entered (eg V2), which can be determined in real time.
  • the real-time parameters can represent, for example, an instantaneous speed and/or current positioning of the road user that has entered.
  • the traffic control unit 20 can calculate or estimate a travel time that the traffic participant V2 needs to leave the roundabout 10 or to release the resources (e.g. use of lanes) of the roundabout 10 that entering road users V3 can be assigned.
  • the respectively entering road user can be signaled to drive into the roundabout 10 .
  • the traffic control unit can first V2 to retract signal because he can drive through roundabout 10 behind the V1.
  • the time window can be calculated in the traffic control unit 20 using an algorithm.
  • the entering road user V2 can be signaled to wait when the road user V3 has entered the roundabout 10 or has previously received a green light to enter.
  • Traffic user V3 can receive a waiting message from traffic control unit 20 to wait if traffic user V4 has entered roundabout 10 . Since the traffic control unit 20 can determine the exact positioning of the traffic participants entering based on the messages 50, the incoming traffic can be regulated in such a way that the use of resources can also be optimized.
  • the RSU serves as a subscriber manager and resource manager and has an overview of the environment, for example by supporting cameras.
  • V2X messages messages
  • an RSU receives the information from the various networked road users and can use this to calculate when which road user is coming to the roundabout or where it is in the roundabout.
  • the RSU can determine when which road user can or should enter the roundabout and uses this data to plan the route and resources for the following road users to drive through the roundabout determine. Since the RSU knows about all participants, it can distribute resources better and point road users to the right lanes and possibly give priority and lower priority to keep traffic flowing. This system works for all types of roundabouts.
  • the RSU control unit (traffic control unit) calculates the best routes for all participants and shares them with each road user. It also helps traffic flow and accident reduction.

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Claims (10)

  1. Procédé de régulation d'un flux de circulation dans un rond-point (10) à plusieurs voies,
    le flux de circulation étant régulé par une unité de contrôle de circulation (20) au moyen de laquelle des usagers de la route (30, 60) s'étant engagés dans le rond-point (10) et/ou se dirigeant vers le rond-point (10) afin de s'y engager, sont interconnectés dans un réseau (40) et communiquent par des messages (50), et pour s'engager, un usager de la route (30, 60) envoie une demande à l'unité de contrôle de circulation (20) sous la forme d'un message (50),
    avant l'entrée de l'usager de la route (60) respectif, le flux de circulation du rond-point (10) étant déterminé sur la base des messages (50) émis jusqu'ici, un signal de commande étant généré sous la forme d'un message (50) pour chacun des usagers de la route (60) entrants respectifs, afin d'indiquer à l'usager de la route (60) l'instant et/ou la voie que l'usager de la route (60) doit emprunter pour s'engager dans le rond-point (10) et/ou traverser celui-ci,
    des ressources du rond-point (10) étant gérées par l'unité de contrôle de circulation (20), les ressources décrivant une voie de circulation ou une portion de la voie de circulation que l'usager de la route (60) doit emprunter, et les messages (50) représentant les données des ressources qui doivent être utilisées par l'usager de la route (60) entrant afin de franchir le rond-point, de telle sorte qu'il est adapté aux autres usagers de la route, des trajets alternatifs pour le rond-point étant attribués aux usagers de la route en ajustant l'affectation des ressources du rond-point dès qu'un bouchon se forme dans le rond-point et/ou qu'un véhicule précédant tombe en panne ou est immobilisé dans le rond-point, les trajets alternatifs prévoyant un changement de file de telle sorte que le flux de circulation du rond-point peut s'écouler sans accident et de façon ininterrompue.
  2. Procédé selon la revendication 1, dans lequel les usagers de la route (30) dans le rond-point (10) émettent des messages (50) avec des données de positionnement et/ou des données de destination et/ou des données de trajet de l'usager de la route (30) respectif.
  3. Procédé selon l'une des revendications précédentes, dans lequel des trajets de tous les usagers de la route (30) sont déterminés et/ou adaptés par l'unité de contrôle de circulation (20) pour réguler le rond-point (10) afin que le flux de circulation soit guidé dans le rond-point (10) sans accident.
  4. Procédé selon l'une des revendications précédentes, dans lequel l'unité de contrôle de circulation (20) détermine, sur la base des messages (50), si un bouchon est présent dans le rond-point (10) et/ou si le véhicule (60) entrant doit s'engager dans le rond-point (10).
  5. Procédé selon l'une des revendications précédentes, dans lequel une priorité plus élevée est attribuée à l'usager de la route (60) entrant respectif avant un autre usager de la route (60) entrant, en fonction d'un ordre chronologique de leurs demandes.
  6. Procédé selon l'une des revendications précédentes, dans lequel l'unité de contrôle de circulation (20) affecte un rang à chaque usager de la route (30, 60), une priorité plus élevée et/ou moins élevée par rapport à au moins un autre usager de la route (30, 60) résultant du rang et le flux de circulation étant régulé dans le rond-point (10) sur la base des priorités plus élevées et/ou moins élevées des usagers de la route (30, 60).
  7. Procédé selon l'une des revendications précédentes, dans lequel le signal de commande contient au moins une instruction pour un usager de la route (60) qui permet à l'usager de la route (60) entrant de s'engager dans le rond-point (10).
  8. Procédé selon l'une des revendications précédentes, dans lequel le signal de commande affiche un message d'attente pour au moins un usager de la route (60) qui demande à l'usager de la route (60) entrant d'attendre.
  9. Unité de contrôle de circulation (20), l'unité de contrôle de circulation (20) étant configurée pour réaliser les étapes concernant l'unité de contrôle de circulation (20) d'un procédé selon l'une des revendications précédentes.
  10. Unité de contrôle de circulation (20) selon la revendication 9, l'unité de contrôle de circulation étant une unité de bord de route (RSU).
EP21728530.3A 2020-06-10 2021-05-25 Procédé de régulation d'un flux de trafic sur un rond-point Active EP4133470B1 (fr)

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DE102020115431.3A DE102020115431A1 (de) 2020-06-10 2020-06-10 Verfahren zum Regeln eines Verkehrsflusses in einem Kreisverkehr
PCT/EP2021/063811 WO2021249755A1 (fr) 2020-06-10 2021-05-25 Procédé de régulation d'un flux de trafic sur un rond-point

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US20230222910A1 (en) 2023-07-13
DE102020115431A1 (de) 2021-12-16
ES2964419T3 (es) 2024-04-05

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