CN116740967A

CN116740967A - Traffic control method and related equipment

Info

Publication number: CN116740967A
Application number: CN202210198570.0A
Authority: CN
Inventors: 刘思杨
Original assignee: Tencent Technology Shenzhen Co Ltd
Current assignee: Tencent Technology Shenzhen Co Ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2023-09-12

Abstract

The embodiment of the disclosure provides a traffic control method and related equipment. The method comprises the following steps: acquiring global traffic information associated with a target traffic intersection or a target public transportation means; acquiring target public transportation means information of a target public transportation means at a target traffic intersection, wherein the global transportation information indicates information of a plurality of traffic intersections associated with the target traffic intersection; determining the priority traffic information of the target public transportation means at the target traffic intersection according to the global traffic information and the target public transportation means information; and the traffic signal controller is used for transmitting the priority traffic information to the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control the target traffic signal equipment of the target traffic intersection according to the priority traffic information. The embodiment of the disclosure can be applied to the traffic field, and can balance the overall traffic trip efficiency and the preferential traffic of public traffic.

Description

Traffic control method and related equipment

Technical Field

The present disclosure relates to the field of intelligent traffic technology, and in particular, to a traffic control method, a traffic control apparatus, a computer device, a computer readable storage medium, and a computer program product.

Background

With the expansion of increasingly slowed traffic systems, the continuously-increasing urban travel demands have caused many urban road networks to operate near or beyond the operation capacity of the urban road networks, and the problems of excessive delay at urban intersections, frequent congestion at peak and late periods and the like are caused. Delay and blockage of traffic further cause additional vehicle energy consumption, exhaust emission and corresponding socioeconomic loss, and meanwhile, related possible pedestrian behavior changes can trigger some traffic safety hidden dangers.

In densely populated urban areas, methods and strategies for suppressing traffic demands and capacity of dilatation systems in order to solve or mitigate traffic congestion and its subsequent effects are often difficult to implement due to their prohibitive investment and limited regional feasibility. At this time, measures to advance the integration of multi-traffic mode systems and the effective utilization of the current system traffic capacity are being taken as a viable development direction by more researchers and decision makers to reduce frequent traffic congestion and thereby alleviate the various adverse environmental and social effects mentioned above. In this context, it has become critical to find effective methods and means to drive the private car travel demand to the public transportation travel demand, and at the same time to improve the operation efficiency of public transportation.

However, the current traffic control method cannot give consideration to the overall traffic travel balance and the public travel priority.

Disclosure of Invention

The embodiment of the disclosure provides a traffic control method, a traffic control device, computer equipment, a computer readable storage medium and a computer program product, which can better balance global traffic trip efficiency and preferential traffic of public traffic.

The embodiment of the disclosure provides a traffic control method, which comprises the following steps: acquiring global traffic information associated with a target traffic intersection or a target public transportation means, wherein the global traffic information is used for indicating information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information comprises at least one of global road traffic conditions, global public transportation service information, global public transportation means information and global traffic signal information; acquiring target public transportation means information of a target public transportation means at the target traffic intersection; determining the priority traffic information of the target public transportation means at the target traffic intersection according to the global transportation information and the target public transportation means information; and transmitting the priority traffic information to a traffic signal controller of the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control target traffic signal equipment of the target traffic intersection according to the priority traffic information.

The embodiment of the disclosure provides a traffic control method, which comprises the following steps: transmitting target public transportation means information of the target public transportation means at the target traffic intersection to the vehicle communication application server; the target public transportation means information is used for indicating the vehicle communication application server to determine the prior traffic information of the target public transportation means at the target transportation intersection according to global transportation information related to the target transportation intersection or the target public transportation means and the target public transportation means information, and transmitting the prior traffic information to a transportation signal controller of the target transportation intersection, wherein the prior traffic information is used for indicating the transportation signal controller to control target transportation signal equipment of the target transportation intersection according to the prior traffic information; the global traffic information is used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information includes at least one of global road traffic conditions, global public traffic service information, global public traffic means information, and global traffic signal information.

In some exemplary embodiments of the present disclosure, transmitting target public transportation information of a target public transportation at a target traffic intersection to a vehicular communication application server includes: directionally transmitting a target signal priority request of the target public transportation means at the target traffic intersection to the vehicle communication application server, wherein the target signal priority request comprises the target public transportation means information of the target public transportation means at the target traffic intersection; receiving target request confirmation information returned by the vehicle communication application server in response to the target signal priority request; and determining that the target signal priority request is not sent to the vehicle communication application server any more according to the target request confirmation information.

In some exemplary embodiments of the present disclosure, directionally sending a target signal priority request of the target public vehicle at the target traffic intersection to the vehicular communication application server includes: acquiring position information and passenger flow information of the target public transport means at the target traffic intersection; and determining to directionally send the target signal priority request to the vehicle communication application server according to the position information and the passenger flow information of the target public transport means at the target traffic intersection.

In some exemplary embodiments of the present disclosure, determining to send the target signal priority request to the vehicular communication application server in a directed manner based on the location information and the passenger flow information of the target public transportation means at the target traffic intersection includes: acquiring platform information of the target traffic intersection; and determining to send the target signal priority request to the vehicular communication application server in a directional manner according to the position information and the passenger flow information of the target public transport means at the target traffic intersection and the platform information of the target traffic intersection.

The embodiment of the disclosure provides a traffic control method, which comprises the following steps: receiving signal state information of a plurality of traffic signal devices of a plurality of traffic intersections, wherein the signal state information is reported by a plurality of traffic signal controllers, and the traffic signal controllers are positioned at the plurality of traffic intersections associated with a target traffic intersection or a target public transportation means; transmitting the signal state information to a vehicle communication application server; the signal state information is used for indicating the vehicle communication application server to obtain global traffic signal information associated with the target traffic intersection or the target public transportation means according to the signal state information; the global traffic signal information is used for indicating the vehicle communication application server to acquire global traffic information related to the target traffic intersection or the target public transportation means, and acquiring target public transportation means information of the target public transportation means at the target traffic intersection, and determining preferential traffic information of the target public transportation means at the target traffic intersection according to the global traffic information and the target public transportation means information, wherein the global traffic information is used for indicating information of a plurality of traffic intersections related to the target traffic intersection; receiving the preferential traffic information sent by the vehicle communication application server; and sending the priority traffic information to a traffic signal controller of the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control target traffic signal equipment of the target traffic intersection according to the priority traffic information.

The embodiment of the disclosure provides a traffic control device, comprising: an acquisition unit configured to acquire global traffic information associated with a target traffic intersection or a target public transportation, the global traffic information being configured to indicate information of a plurality of traffic intersections associated with the target traffic intersection, the global traffic information including at least one of global road traffic conditions, global public transportation service information, global public transportation information, and global traffic signal information; the acquisition unit is further used for acquiring target public transportation means information of the target public transportation means at the target traffic intersection; a determining unit, configured to determine, according to the global traffic information and the target public traffic information, priority traffic information of the target public traffic at the target traffic intersection; the transmission unit is used for transmitting the priority traffic information to the traffic signal controller of the target traffic intersection, and the priority traffic information is used for indicating the traffic signal controller to control the target traffic signal equipment of the target traffic intersection according to the priority traffic information.

The disclosed embodiments provide a computer device comprising: one or more processors; and a memory configured to store one or more programs that, when executed by the one or more processors, cause the computer device to implement the traffic control method as described in the above embodiments.

The presently disclosed embodiments provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the traffic control method as described in the above embodiments.

The presently disclosed embodiments provide a computer program product comprising a computer program which, when executed by a processor, implements the traffic control method as described in the above embodiments.

The traffic control method, traffic control apparatus, computer device, computer readable storage medium, and computer program product provided in some embodiments of the present disclosure, by acquiring global traffic information associated with a target traffic intersection or a target public traffic means, and acquiring target public traffic means information of the target public traffic means at the target traffic intersection, wherein since the global traffic information can be used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, instead of considering only information of a single traffic intersection, the global traffic information can include at least one of global road traffic condition, global public traffic service information, global public traffic means information, and global traffic signal information, when the global traffic information and the target public traffic means information of the target public traffic means at the target traffic intersection are comprehensively considered to determine the priority traffic information of the target public traffic means at the target traffic intersection, the priority traffic information is transmitted to a traffic signal controller of the target traffic intersection, and the priority traffic signal controller is instructed to control the target traffic signal controller according to the priority information, so that the traffic signal controller can realize a global balance of traffic on a traffic basis.

Drawings

Fig. 1 is a system architecture diagram of an operating environment of a traffic control method in an embodiment of the present disclosure.

Fig. 2 schematically illustrates a flow chart of a traffic control method according to an embodiment of the present disclosure.

Fig. 3 is a schematic diagram of a target traffic intersection provided by an embodiment of the present disclosure.

Fig. 4 is a schematic illustration of a traffic intersection associated with a target traffic intersection or with a target public vehicle provided by an embodiment of the present disclosure.

Fig. 5 schematically illustrates a schematic view of a traffic control method according to an embodiment of the present disclosure applied to a bus.

Fig. 6 schematically illustrates an interactive schematic of a traffic control method according to an embodiment of the present disclosure.

Fig. 7 schematically illustrates an interactive schematic of a traffic control method according to another embodiment of the present disclosure.

Fig. 8 schematically illustrates a flow chart of a traffic control method according to yet another embodiment of the present disclosure.

Fig. 9 schematically illustrates a block diagram of a traffic control device according to an embodiment of the present disclosure.

Fig. 10 schematically shows a schematic structural diagram of a computer device according to an embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing embodiments of the present disclosure only and is not intended to be limiting of the present disclosure.

Before explaining the embodiments of the present disclosure in further detail, terms and terminology involved in the embodiments of the present disclosure are explained, and the terms and terminology involved in the embodiments of the present disclosure are applicable to the following explanation.

Traffic intersection/crossing: because the road network is distributed in a network structure, a plurality of intersecting points exist. The intersections can be of different types, such as an intersection, a T-shaped intersection, a Y-shaped intersection and the like, wherein the intersection is an intersection where two roads intersect, and the T-shaped intersection is an intersection where two roads intersect in a T-shape. The junction of a road, which is an intersection, is also called an intersection in road engineering, and is an intersection where two or more roads meet.

And (3) branch road: the turnout refers to a road extending outwards from the intersection along different directions, for example, referring to a schematic diagram of an intersection shown in fig. 3, including a turnout in four directions of southward, northward, westward and eastward, and of course, the direction of the turnout can be set according to urban planning.

Road section: in the traffic field, a road segment is a traffic line between two adjacent nodes on a traffic network.

Lanes: the vehicle running lane in the turnout road is also called a running line, a solid line or a curve is used for dividing lanes on a common road, and lanes in different running directions through the intersection are generally divided on the lanes close to the intersection, such as a left-turn lane, a straight lane, a right-turn lane, a turning lane and the like, or lanes in composite directions, such as a left-turn lane, a straight-turn lane, a right-turn lane, a left-turn lane, a turning lane and the like.

Signal lamp phase: since the intersections are connected with different roads, places for switching to other roads are provided for vehicles, traffic confusion is easy to occur at the intersections, and in order to coordinate traffic at the intersections, signal lamps (or traffic signal lamps) are usually arranged at the intersections to control the vehicles to run. For example, an intersection is generally provided with 4 groups of signal lights (one for each branch), and the state combination of the signal lights at the intersection is called a phase. A standard intersection has twelve vehicle movement patterns, namely straight (east-west, west-east, south-north, north-south), small (east-north, west-south, north-west, south-east), large (east-south, west-north, north-east, south-west), and the movement patterns of vehicles on the intersection can be controlled by a signal lamp on the intersection. The twelve motion modes can be combined to form a phase, for example, east-west motion modes and west-east motion modes are included in east-west motion phases. The movement mode of the vehicle at the whole intersection can be controlled through the signal lamp phase, so that the signal lamp working state of the intersection can be expressed as the phase of the signal lamp.

Signal lamp operating condition: the signal operating state is represented as the phase of the signal, and may also be referred to as signal state information of the traffic signal.

V2X: vehicle to everything, i.e. the exchange of information from the vehicle to the outside world, may also be referred to as vehicle wireless communication technology, including but not limited to communication between on-board units (vehicle to vehicle, V2V), communication between on-board units and road side units (vehicle to Infrastructure, V2I), communication between on-board units and pedestrian devices (vehicle to Pedestrian, V2P), communication between on-board units and the network (vehicle to network, V2N).

In the embodiment of the present disclosure, please refer to fig. 1, fig. 1 is a network interaction architecture diagram of a traffic control method provided in the embodiment of the present disclosure, and the traffic control method provided in the embodiment of the present disclosure may be implemented by any computer device such as a server 101 and/or a terminal device. The terminal device may upload data to the server 101, the server 101 may process the received data to obtain a processing result, and the obtained processing result may be returned to the terminal device for display or control.

For example, the server 101 may: acquiring global traffic information associated with a target traffic intersection or a target public transportation, wherein the global traffic information can be used for indicating information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information can comprise at least one of global road traffic condition, global public transportation service information, global public transportation information and global traffic signal information; acquiring target public transportation means information of a target public transportation means at the target traffic intersection; determining the priority traffic information of the target public transportation means at the target traffic intersection according to the global transportation information and the target public transportation means information; and transmitting the priority traffic information to the traffic signal controller of the target traffic intersection, wherein the priority traffic information can be used for indicating the traffic signal controller to control the target traffic signal equipment of the target traffic intersection according to the priority traffic information.

The terminal device may be any electronic device, optionally may include an in-vehicle terminal 102 in a vehicle (for example, a public vehicle and/or a non-public vehicle) 103, where the vehicle 103 may report, through the in-vehicle terminal 102, vehicle information to the server 101, and if the vehicle 103 is a public vehicle, the public vehicle may include a target public vehicle, and the reported vehicle information includes public vehicle information, where the public vehicle information includes target public vehicle information of the target public vehicle at a target intersection. Optionally, the vehicle 103 may also receive, through the vehicle-mounted terminal 102 provided thereon, the preferential traffic information of each public vehicle returned by the server 101 at the corresponding traffic intersection, and display the preferential traffic information through the vehicle-mounted terminal 102, for example, on a display screen, or through voice broadcasting. The priority traffic information may include priority traffic information of the target public transportation means at the target traffic intersection.

Alternatively, various types of mobile internet applications, such as APP (application program), applet, etc., may be installed in the in-vehicle terminal 102 in the embodiments of the present disclosure, and APP, applet, etc., installed on the in-vehicle terminal 102 (may also be referred to as a car machine) may be referred to as an in-vehicle mobile internet application.

Optionally, the terminal device may further include a traffic control and information service platform, where the traffic control and information service platform may be any one or more of a mobile phone 105, a notebook computer 104, a server 106, and so on. The traffic control and information service platform may receive signal state information of a plurality of traffic signal devices of a plurality of traffic intersections from a plurality of traffic signal controllers of the plurality of traffic intersections to the server 101, report the received signal state information of the plurality of traffic signal devices of the plurality of traffic intersections to the server 101, and the server 101 may obtain global traffic signal information according to the received signal state information of the plurality of traffic signal devices of the plurality of traffic intersections, so as to generate the global traffic information.

Optionally, the terminal device may further include a Road Side Unit (RSU) 107, where one or more RSUs 107 may be disposed at each of the multiple traffic intersections, the RSU107 disposed at each traffic intersection may report the traffic information of the corresponding traffic intersection and its associated Road segment monitored by the RSU107 to the server 101, and after the server 101 receives the traffic information of each traffic intersection and its associated Road segment, the server 101 may obtain global Road traffic conditions according to the traffic information of the multiple traffic intersections and its associated Road segment, and generate the global traffic information according to the global Road traffic conditions.

Optionally, the terminal device may further include a public transportation service system, where the public transportation service system may be any one or more of a mobile phone 105, a notebook computer 104, a server 106, and so on. The public transportation system may store the service information of each public transportation means, the public transportation system may send the service information of each public transportation means to the server 101, and the server 101 may obtain global public transportation service information according to the received service information of each public transportation means, so as to generate the global transportation information.

In some embodiments, the terminal device may be a smart phone, tablet, notebook, desktop, or smart watch, etc.; the servers (server 101 and/or server 106) may be configured as independent physical servers, may be configured as a server cluster or a distributed system formed by a plurality of physical servers, and may be configured as cloud servers for providing cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDNs (Content Delivery Network, content delivery networks), and basic cloud computing services such as big data and artificial intelligence platforms.

In the embodiment of the present disclosure, when the server 101 adopts a cloud server, it may also be referred to as a V2X cloud service platform or an automotive communication application server.

The scheme provided by the embodiment of the disclosure can be applied to an intelligent traffic system and/or an intelligent vehicle-road cooperative system.

The intelligent transportation system (Intelligent Traffic System, ITS), also called intelligent transportation system (Intelligent Transportation System), is a comprehensive transportation system which uses advanced scientific technology (information technology, computer technology, data communication technology, sensor technology, electronic control technology, automatic control theory, operation study, artificial intelligence, etc.) effectively and comprehensively for transportation, service control and vehicle manufacturing, and enhances the connection among vehicles, roads and users, thereby forming a comprehensive transportation system for guaranteeing safety, improving efficiency, improving environment and saving energy.

The intelligent vehicle-road cooperative system (Intelligent Vehicle Infrastructure Cooperative Systems, IVICS), which is simply called a vehicle-road cooperative system, is one development direction of an Intelligent Transportation System (ITS). The vehicle-road cooperative system adopts advanced wireless communication, new generation internet and other technologies, carries out vehicle-vehicle and vehicle-road dynamic real-time information interaction in all directions, develops vehicle active safety control and road cooperative management on the basis of full-time idle dynamic traffic information acquisition and fusion, fully realizes effective cooperation of people and vehicles and roads, ensures traffic safety, improves traffic efficiency, and forms a safe, efficient and environment-friendly road traffic system.

The method provided in the embodiment of fig. 2 may be performed by any computer device, such as the server 101 in the embodiment of fig. 1 described above, but the disclosure is not limited thereto, and may be performed by a terminal device, for example.

As shown in fig. 2, a method provided by an embodiment of the present disclosure may include:

in S210, global traffic information associated with a target traffic intersection or a target public transportation is acquired. The global traffic information may be used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information may include at least one of global road traffic conditions, global public transportation service information, global public transportation means information, global traffic signal information, and the like.

In the embodiments of the present disclosure, public transportation means refers to transportation means for realizing public travel and/or transportation means for traveling in public interest, and may include, but is not limited to, buses, taxis, vehicles for transporting public materials, ambulances, sprinkler, and the like, and in the following examples, buses are taken as examples, but the present disclosure is not limited thereto. The target public transportation means may be any public transportation means of the public transportation means, for example, the public transportation means is taken as a public transportation vehicle, and the target public transportation means may include a target public transportation vehicle.

In the embodiment of the disclosure, the target traffic intersection may be a traffic intersection closest to the target public traffic tool at the current moment and about to pass by the target public traffic tool.

For example, as shown in fig. 3, fig. 3 shows an intersection and its branches. The intersection of the south-north turnout and the east-west turnout is the intersection center of the target traffic intersection; the position of the east direction turnout is determined by the angle (90 degrees) of the central axis of the east direction turnout deviating from the right north; the distance from the center of the intersection to the lane stop line in the west direction is the length of the central axis of the lane in the west direction. The turning of multiple lanes and lanes may be provided on the bifurcation, for example, lane S1 in fig. 3 represents a left-turn lane, lane S2 represents a straight lane, lane S3 represents a straight and right-turn lane, and some embodiments further include a turning lane, however, a general left-turn lane may also turn around, so in the embodiments of the present disclosure, no distinction is made, and a turning-around vehicle is considered to belong to a left-turn vehicle.

Referring to fig. 3, there are shown vehicles k1, k3, k4, k5, k6, k8 and k9 to be driven into the target traffic intersection, and vehicles k2 and k7 that have been driven out of the target traffic intersection, assuming that the vehicle k1 is a target bus, the first traffic intersection to be passed through in its traveling direction (from the south to the north) is the target traffic intersection, and assuming that the target bus has a traveling speed v1.

In the embodiment of the disclosure, global traffic information associated with a target traffic intersection or a target public transportation means traffic information associated with the target traffic intersection, traffic information associated with the target public transportation means, or traffic information associated with the target traffic intersection and the target public transportation means at the same time. The global traffic information associated with the target traffic intersection or the target public transportation means may further include traffic information of the target traffic intersection and/or an associated road section of the target traffic intersection, and/or traffic information of the target public transportation means, and when judging whether to give priority to the target public transportation at the target traffic intersection, the disclosed embodiment not only considers traffic information of the target traffic intersection and/or an associated road section of the target traffic intersection, and/or traffic information of the target public transportation means, but also comprehensively considers traffic information associated with the target traffic intersection, or traffic information associated with the target public transportation means, or traffic information associated with the target traffic intersection and the target public transportation means, that is, traffic information of a plurality of traffic intersections and/or a plurality of road sections is comprehensively considered at the same time, so as to comprehensively decide whether to give priority to the target public transportation at the target traffic intersection, thereby giving priority to the public transportation on the basis of global traffic balance.

The traffic information in the embodiments of the present disclosure may be any information related to a traffic trip, such as any one or more of lane information (e.g., an intersection where a lane is located, the number of lanes, a driving direction indicated by a lane, etc.), vehicle information (e.g., a driving speed of a vehicle, position information, passenger flow information, etc.), traffic intersection information (e.g., a position where a traffic intersection is located, an intersection ID (identity), traffic light information set at an intersection, road section information associated with an intersection, road side perception facility information laid at an intersection, etc.).

Traffic information associated with the target traffic intersection can be determined according to actual requirements. For example, as shown in fig. 4, assuming that the traffic intersection 401, the traffic intersection 402, the traffic intersection 403, the traffic intersection 404, the traffic intersection 405, the traffic intersection 406, the traffic intersection 407, the traffic intersection 408, and the traffic intersection 409 are all of the same city and assuming that the bus 410 is a target bus and the traffic intersection 405 is a target traffic intersection, the traffic intersection 401, the traffic intersection 402, the traffic intersection 403, the traffic intersection 404, the traffic intersection 405, the traffic intersection 406, the traffic intersection 407, the traffic intersection 408, and/or the traffic information of the road sections having a direct connection relationship with the traffic intersection 401, the traffic intersection 402, the traffic intersection 403, the traffic intersection 404, the traffic intersection 405, the traffic intersection 406, the traffic intersection 407, the traffic intersection 408, and the traffic intersection 409 may be included in the global traffic information. For example, a road segment having a direct connection relationship with the traffic intersection 405 may include a road segment 415, a road segment 416, a road segment 417, and a road segment 418, and the road segment 415, the road segment 416, the road segment 417, and the road segment 418 may be referred to as associated road segments of the traffic intersection 405. A certain road segment may be shared between adjacent traffic intersections as a respective associated road segment, for example, the road segment 415 is also an associated road segment of the traffic intersection 406. In the embodiment of the disclosure, the traffic information of all traffic intersections and/or road sections of the whole city is contained in the global traffic information, and when judging whether to give priority to the target bus to pass through the target traffic intersections, the influence on the traffic of all traffic intersections and/or road sections of the whole city can be comprehensively considered, namely, the public traffic is given priority to pass on the basis of realizing the global traffic trip balance of the whole city.

It should be noted that "multiple" in the embodiments of the present disclosure refers to two or more.

As another example, traffic information of a main traffic intersection and/or a main road section belonging to a certain geographical area together with a target traffic intersection belongs to global traffic information. Whether a certain traffic intersection is a main traffic intersection and/or a main road section can be determined according to actual requirements, for example, the traffic intersection which is easy to generate traffic jam is determined according to historical statistical data to be used as the main traffic intersection, or the average number of vehicles passing per hour is calculated, the traffic intersection with the average number of vehicles passing per hour exceeding a preset threshold is used as the main traffic intersection, and the road section directly connected with the main traffic intersection is called as the main road section or the main associated road section. In the embodiment of the disclosure, the traffic information of the main traffic intersection and/or the main road section of the whole city is contained in the global traffic information, and when judging whether to give priority to the target bus passing through the target traffic intersection, the influence on the traffic of the main traffic intersection and/or the main road section in the city can be comprehensively considered.

For another example, traffic information of a traffic intersection and/or an associated road segment having a direct or indirect connection relationship with a target traffic intersection belongs to global traffic information. For example, as shown in fig. 4, when the traffic intersection 402, the traffic intersection 404, the traffic intersection 406, and the traffic intersection 408 have a direct connection relationship with the target traffic intersection 405, and the traffic intersection 401, the traffic intersection 403, the traffic intersection 407, and the traffic intersection 409 have an indirect connection relationship with the target traffic intersection 405, it can be determined that the traffic information of the traffic intersection 402, the traffic intersection 404, the traffic intersection 406, and the traffic intersection 408, and the associated road sections of the traffic intersection 402, the traffic intersection 404, the traffic intersection 406, and the traffic intersection 408, respectively, are included in the global traffic information. In the embodiment of the disclosure, when judging whether to give priority to the target bus at the target traffic intersection, the traffic information of the traffic intersection and/or the associated road section having a direct connection relationship with the target traffic intersection is contained in the global traffic information, and because the traffic intersection having the greatest influence on the traffic efficiency of the target traffic intersection is the traffic intersection having the direct connection relationship with the target traffic intersection, on the one hand, the priority traffic of public traffic can be given on the basis of realizing the balance of global traffic travel, on the other hand, the storage amount of data, the occupied transmission network bandwidth and the occupied calculation resources can be further reduced, and the calculation efficiency can be improved.

Alternatively, the traffic information of the traffic intersection 402, the traffic intersection 404, the traffic intersection 406, and the traffic intersection 408 and the associated road segments of the traffic intersection 402, the traffic intersection 404, the traffic intersection 406, and the traffic intersection 408, which have a direct connection relationship with the target traffic intersection 405, and the traffic information of the traffic intersection 401, the traffic intersection 403, the traffic intersection 407, and the traffic intersection 409 and the associated road segments of the traffic intersection 401, the traffic intersection 403, the traffic intersection 407, and the traffic intersection 409, which have an indirect connection relationship with the target traffic intersection 405, may be simultaneously included in the global traffic information. In the embodiment of the disclosure, when judging whether to give priority to a target bus at a target traffic intersection, the traffic information of the traffic intersection and/or the associated road section with a direct connection relationship and an indirect connection relationship with the target traffic intersection is contained in the global traffic information, so that the travel efficiency of the traffic intersection with the direct connection relationship with the target traffic intersection is balanced, the travel efficiency of the traffic intersection with the indirect connection relationship with the target traffic intersection is balanced, the balance of global traffic travel can be improved, public traffic is given priority to pass at the same time, and meanwhile, the storage amount of data, occupied transmission network bandwidth, occupied computing resources are reduced, and computing efficiency is improved by setting the number or dimension of the traffic intersections with the indirect connection relationship with the target traffic intersection. For example, it may be set that a traffic intersection having an indirect connection relationship with the target traffic intersection is 8, that is, traffic information of a traffic intersection and its associated road section having an indirect connection relationship with the target traffic intersection within less than or equal to 8 belongs to the global traffic information, and traffic information of a traffic intersection and its associated road section having an indirect connection relationship with the target traffic intersection exceeding 8 does not belong to the global traffic information. Alternatively, a traffic intersection indirectly connected to the target traffic intersection through n traffic intersections is referred to as an n-dimensional indirectly connected traffic intersection, n is a positive integer greater than or equal to 1, for example, for the target traffic intersection 405, the traffic intersection 401, the traffic intersection 403, the traffic intersection 407, and the traffic intersection 409 are one-dimensional indirectly connected traffic intersections, traffic information of the indirectly connected traffic intersection and its associated road segments within m dimensions may be included in the global traffic information, traffic information of the indirectly connected traffic intersection and its associated road segments exceeding m dimensions is not included in the global traffic information, and m is a positive integer greater than or equal to 0 and less than or equal to n.

Traffic information associated with the target public transportation means may be determined according to actual demands. For example, traffic information of all traffic intersections and their associated links traversed on the travel route of the target public transportation or traffic information of main traffic intersections and their associated links traversed on the travel route of the target public transportation. As another example, traffic information of all traffic intersections and their associated road segments in the geographic area where the target public transportation means is located, or traffic information of major traffic intersections and their associated road segments in the geographic area where the target public transportation means is located may be mentioned. For another example, traffic information having an association with a target traffic intersection through which the target public transportation means is to pass may be used, and traffic information having an association with a target traffic intersection through which the target public transportation means is to pass may be described above.

In an exemplary embodiment, the global traffic information may include global road traffic conditions; the global road traffic condition may indicate traffic conditions of a plurality of traffic intersections associated with the target traffic intersection and a plurality of associated road segments of a plurality of traffic intersections. The plurality of traffic intersections associated with the target traffic intersection may be all traffic intersections or main traffic intersections in the same geographical area as the target traffic intersection, or may be all traffic intersections or part of traffic intersections having a direct or indirect connection relationship with the target traffic intersection. The traffic conditions in the embodiments of the present disclosure may include traffic flow information of each traffic intersection and its associated road section, or information whether congestion is identified according to the traffic flow information, or information whether traffic accidents occur on a road, whether there is an obstacle, and the like.

In an exemplary embodiment, the global traffic information may include global traffic signal information; the global traffic signal information may indicate information of traffic signal devices of a plurality of traffic intersections associated with the target traffic intersection or the target public vehicle. The traffic signal device in the embodiments of the present disclosure may be any device for indicating or controlling a travel of traffic, and in the following embodiments, the traffic signal lamp is used for illustration, but the present disclosure is not limited thereto. The traffic signal devices of the plurality of traffic intersections associated with the target traffic intersection or the target public transportation means may be traffic signal devices arranged at all traffic intersections located in the same geographical area as the target traffic intersection or the target public transportation means, or may also be traffic signal devices arranged at main traffic intersections located in the same geographical area as the target traffic intersection or the target public transportation means, or may also be traffic signal devices arranged at traffic intersections having a direct or indirect connection relationship with the target traffic intersection, or traffic signal devices arranged at all or part of the traffic intersections on the driving route of the target public transportation means, or the like.

In an exemplary embodiment, the traffic intersection may include the target traffic intersection and the traffic signal device may include the target traffic signal device. Wherein, obtaining global traffic information associated with the target traffic intersection or the target public transportation means may include: acquiring signal state information of a plurality of traffic signal devices of a plurality of traffic intersections reported by a plurality of traffic signal control machines of a plurality of traffic intersections through a traffic control and information service platform; and obtaining the global traffic signal information according to the signal state information of the traffic signal devices at the traffic intersections.

In the embodiment of the disclosure, the signal state information of the traffic signal device may be used to indicate a signal state where the traffic signal device is located, for example, information that the traffic signal lamp is in any one of red light, yellow light, green light, and the like, and a duration of the located light state, a remaining duration, and the like.

In an exemplary embodiment, the global traffic information may include global traffic signal information; the global traffic signal information may include signal status information of a plurality of traffic signal devices of a plurality of traffic intersections associated with the target traffic intersection or the target public vehicle.

In S220, target public transportation information of a target public transportation at a target traffic intersection is acquired.

In an exemplary embodiment, the target public transportation information may include a target time stamp reporting the target public transportation information, location information and status information of the target public transportation.

In an exemplary embodiment, the global traffic information may include global public traffic information; the global public transportation service information may be used to indicate service information of a plurality of public transportation vehicles associated with the target transportation intersection or the target public transportation vehicle. The plurality of public vehicles associated with the target traffic intersection or the target public vehicle may be all public vehicles whose travel route includes the target traffic intersection, all or part of public vehicles in the same geographical area as the target traffic intersection or the target public vehicle, or the like.

Wherein, obtaining global traffic information associated with the target traffic intersection or the target public transportation means may include: the global public transportation service information is acquired from a public transportation service system, and the global public transportation service information can comprise driving route information of each public transportation tool.

The global traffic information may include global public transportation information; the global public transportation information may be used to indicate information of a plurality of public transportation vehicles associated with the target public transportation. The global public transportation information may also include information of the target public transportation.

Wherein, obtaining global traffic information associated with the target traffic intersection or the target public transportation means may include: receiving public transportation means information reported by each public transportation means; and obtaining global public transportation information according to public transportation information reported by each public transportation, wherein the global public transportation information can comprise at least one of position information, state information, passenger flow information and the like of a plurality of public transportation related to the target public transportation.

In an exemplary embodiment, obtaining target public transportation information of a target public transportation at the target transportation intersection may include: receiving a target signal priority request sent by the target public transportation means at the target traffic intersection in a directed way, wherein the target signal priority request can comprise the target public transportation means information of the target public transportation means at the target traffic intersection; and transmitting target request confirmation information to the target public transportation means in response to the target signal priority request, wherein the target request confirmation information can be used for indicating that the target public transportation means does not transmit the target signal priority request any more at the target traffic intersection.

It is to be understood that the global traffic information in the embodiments of the present disclosure may also include information of non-public vehicles having an association with the target traffic intersection and/or the target public vehicle, where the non-public vehicles refer to any type of vehicle other than a public vehicle, such as a car, a van, a truck, a tractor, a motorcycle, an electric vehicle, and the like.

In the embodiment of the disclosure, the vehicle communication application server may actively determine whether to give the priority to the target public transportation means at the target traffic intersection, or may determine whether to give the priority to the target public transportation means at the target traffic intersection when receiving the target signal priority request sent by the target public transportation means.

In S230, priority traffic information of the target public transportation at the target traffic intersection is determined according to the global traffic information and the target public transportation information.

Wherein, obtaining global traffic information associated with the target traffic intersection or the target public transportation means may include: receiving traffic flow information of each traffic intersection and each associated road section of each traffic intersection from each road side sensing facility arranged at each traffic intersection; and obtaining the global road traffic condition according to the traffic intersections and the traffic flow information of each associated road section of each traffic intersection. In the embodiment of the disclosure, one or more RSUs may be disposed at each traffic intersection, and the RSUs may monitor the traffic flow information of the corresponding traffic intersection and/or the associated road section of the corresponding traffic intersection, and may include the monitored traffic flow information of the traffic intersection and/or the associated road section of the corresponding traffic intersection in the global road traffic condition, or may further analyze and process the monitored traffic flow information of the traffic intersection and/or the associated road section of the corresponding traffic intersection, and include the analysis result in the global road traffic condition, for example, whether the traffic is congested.

The target public transportation information may include target travel direction information of the target public transportation at the target traffic intersection.

The traffic flow information of each traffic intersection and each associated road section of each traffic intersection comprises the traffic flow information of each associated road section of the target traffic intersection and each associated road section of the target traffic intersection, and the traffic flow information of each associated road section of the forward traffic intersection and each forward traffic intersection along the target driving direction information. For example, as shown in fig. 4, assuming that the target bus 410 is in the target lane 419, which is straight in the direction from east to west, at time t1, the target traffic intersection is the traffic intersection 405, the forward traffic intersection thereof includes the traffic intersection 406. In other embodiments, the number of forward traffic intersections is not limited to one, and assuming that the target bus 410 is about to enter the traffic intersection 406 at time t2, the next forward traffic intersection may be determined further based on the target lane in which the target bus 410 is located at time t2 and its turn. That is, the forward traffic intersection in embodiments of the present disclosure may be one or more traffic intersections on the travel route of the target public vehicle and located after the target traffic intersection.

The obtaining the global road traffic condition according to the traffic intersections and the traffic flow information of each associated road section of each traffic intersection may include: determining current road congestion state information of the target traffic road junction according to the target traffic road junction and the traffic flow information of each associated road section of the target traffic road junction; and determining the next intersection congestion state information of the forward traffic intersection along the target driving direction information according to the forward traffic intersection along the target driving direction information and the traffic flow information of each associated road section of each forward traffic intersection, wherein the global road traffic condition can comprise the current intersection congestion state information and the next intersection congestion state information.

Wherein, determining the preferential traffic information of the target public transportation means at the target traffic intersection according to the global traffic information and the target public transportation means information may include: and determining the priority traffic information according to the current intersection congestion state information, the next intersection congestion state information and the target public transportation means information. In the embodiment of the disclosure, when considering whether the priority of the target public transportation means at the target traffic intersection is given, not only the current intersection congestion state information of the target traffic intersection at the current moment, namely whether the target traffic intersection is congested, but also the next intersection congestion state information of the target public transportation means at the forward traffic intersection, namely whether the forward traffic intersection is congested, are considered comprehensively, so that whether the priority of the target public transportation means at the target traffic intersection is given is comprehensively decided, global transportation travel can be balanced better, and the priority travel of public transportation is realized.

In an exemplary embodiment, the priority traffic information may include a target request priority policy and a target request priority duration of the target public vehicle at the target traffic intersection. Wherein, determining the preferential traffic information of the target public transportation means at the target traffic intersection according to the global transportation information and the target public transportation means information may include: obtaining estimated time for the target public transportation means to reach the target traffic intersection according to the target time stamp, the position information and the state information of the target public transportation means; and determining the target request priority strategy and the target request priority duration according to the global traffic signal information and the estimated time.

In this embodiment of the present disclosure, the state information of the target public transportation means may include, for example, a driving speed, and the vehicular communication application server may determine a distance between the target public transportation means and the target traffic intersection according to the position information when the target public transportation means sends the target signal priority request and the position information of the target traffic intersection, then calculate, according to the driving speed and the distance of the target public transportation means, an estimated time period when the target public transportation means drives to the target traffic intersection, and then obtain, according to the target timestamp and the estimated time period, an estimated time when the target public transportation means reaches the target traffic intersection, and then determine the priority traffic information according to the global traffic signal information and the estimated time.

In an exemplary embodiment, the global traffic information may further include global road traffic conditions; the global road traffic condition may include traffic flow information of a target lane in which the target public transportation is located at the target traffic intersection. Wherein determining the target request priority policy and the target request priority duration according to the global traffic signal information and the estimated time may include: correcting the estimated time according to traffic flow information of a target lane where the target public transport means is located at the target traffic intersection to obtain a calibration time; and determining the target request priority strategy and the target request priority duration according to the global traffic signal information and the calibration time.

In the embodiment of the disclosure, since the actual road condition is complex and may change in real time, the driving speed of the target public transportation means when the target signal priority request is sent may not necessarily be the actual speed of driving to the target traffic intersection afterwards, so that the traffic flow information of the target lane of the target traffic intersection can be monitored in real time by using one or more RSUs laid at the target traffic intersection, the estimated time is corrected according to the monitored traffic flow information of the target lane of the target traffic intersection, the corrected calibration time is obtained, and the priority traffic information is determined according to the global traffic signal information and the calibration time, so that the determined priority traffic information is more accurate, and the global traffic trip balance degree and the accuracy of the public transportation priority trip can be improved.

In S240, the priority traffic information is transmitted to the traffic signal controller of the target traffic intersection, where the priority traffic information may be used to instruct the traffic signal controller to control the target traffic signal device of the target traffic intersection according to the priority traffic information.

In the embodiment of the disclosure, the vehicle communication application server may send the generated priority traffic information to the traffic control and information service platform, and then the traffic control and information service platform issues the priority traffic information to the traffic signal controller of the target traffic intersection, and the traffic signal controller controls the target traffic signal device according to the priority traffic information. Alternatively, the vehicle communication application server may directly transmit the priority traffic information to the traffic signal controller.

The traffic control method provided by the embodiment of the present disclosure, by acquiring global traffic information associated with a target traffic intersection or a target public transportation means, and acquiring target public transportation means information of the target public transportation means at the target traffic intersection, wherein, since the global traffic information can be used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, not just considering information of a single traffic intersection, which is the target traffic intersection, the global traffic information can include at least one of global road traffic condition, global public transportation service information, global public transportation means information and global traffic signal information, when the global traffic information and the target public transportation means information of the target public transportation means at the target traffic intersection are comprehensively considered to determine the priority traffic information of the target public transportation means at the target traffic intersection, the priority traffic information is transmitted to a traffic signal controller of the target traffic intersection, and when the traffic signal controller is instructed to control a target traffic signal device of the target traffic intersection according to the priority traffic information, public travel priority can be guaranteed on the basis of global traffic balance.

The bus signal priority is an implementation mode of urban traffic bus priority, and the signal control scheme of the road intersection is optimally designed so that buses can pass preferentially when arriving at the intersection, thereby achieving the purpose of no parking or reducing parking waiting time. The bus signal priority control can effectively improve the running efficiency of the bus, and has important significance for improving the service level and the attraction of the bus system.

The cooperative bus priority system in the related art is mainly based on vehicle-to-road communication (V2I), and uses LTE (Long Term Evolution ) -V2X direct communication technology, and mainly involves three devices: OBU (On board Unit), RSU and traffic signal controller. When a bus loaded with a vehicle-mounted unit approaches an intersection, the vehicle-mounted OBU equipment and road side RSU equipment conduct information interaction, the OBU matches own paths after receiving map information issued by the RSU, so that steering information of the bus at the intersection is determined, then basic data (position, speed, running direction, load factor and the like) of the bus are sent to the RSU, the RSU conducts bus filtering, priority sorting and priority request matching according to the information of each bus, corresponding priority traffic information is generated and sent to an traffic signal controller, the traffic signal controller optimizes and controls a timing scheme of the intersection signals according to the priority traffic information, and gives more road weights to the bus as much as possible.

However, in the solution provided by the above related technology, dedicated LTE-V2X OBU hardware needs to be configured on the bus, and a road side needs to construct dedicated LTE-V2X RSU hardware. On the one hand, the RSU covers only one intersection, which means that the RSU only performs priority ranking according to traffic conditions and priority traffic information of the intersection, and determines a priority policy, but cannot make global decisions by using global road traffic conditions (traffic conditions of multiple intersections and multiple road segments), global bus traffic information (such as the traveling routes of all buses involved in the intersection), and global information light information (signal light information of multiple intersections and multiple road segments), so that global traffic imbalance is easily caused. On the other hand, the design concept of LTE-V2X is RSU, OBU closed loop thinking, unable make full use of high in the clouds information, say: map information needs to be transmitted between the RSU and the OBU, and the transmission of the whole bus route information and the like cannot be supported.

The embodiment of fig. 5 is illustrated with the vehicle communication application server as the V2X cloud service platform 510 and the public transportation as a bus, and the target public transportation may be any bus therein.

As shown in fig. 5, the embodiment of the disclosure provides a cooperative bus priority system based on a cloud platform, which may include a V2X cloud service platform 510, a traffic control and information service platform 530, a road side sensing facility 540, a bus service system 550, and traffic signal controllers for each intersection, and in fig. 5, an intersection 1 traffic signal controller 561, an intersection 2 traffic signal controller 562, and an intersection X traffic signal controller 563 are shown for illustration, but the disclosure is not limited thereto. X is a positive integer greater than or equal to 1.

With continued reference to fig. 5, the V2X cloud service platform 510 is communicatively connected to the traffic control and information service platform 530, the road side awareness facility 540, the public transportation service system 550, and the public transportation vehicle 520, respectively, and may be connected through a wired or wireless network. The traffic control and information service platform 530 is respectively connected with traffic signal controllers of all intersections, and the bus service system 550 can also be connected with the bus 520.

The exchange of security status data between vehicles (including buses and non-buses) in embodiments of the present disclosure may be accomplished through BSM (Basic Safety Message, vehicle basic security message) between vehicles. The vehicle informs the surrounding vehicles of the real-time state of the vehicle by broadcasting the BSM message, thereby supporting a series of cooperative security and other applications.

The embodiment of the disclosure provides a cooperative bus priority system based on a cloud platform, which makes full use of cloud information, makes global decisions based on global traffic information, and guarantees public travel priority on the basis of global traffic travel balance.

The traffic signal controller in the embodiment of the disclosure refers to a device capable of changing the sequence of road traffic signals, adjusting timing and controlling the operation of road traffic signals. The traffic control and information service platform 530 is a central platform for converging various information such as road traffic control, traffic flow, traffic event, etc., integrating traffic control, scheduling, control and information release functions, etc., and providing information service. The public transportation service system is illustrated by a public transportation service system 550 in fig. 5, and refers to a generic term of multiple public transportation systems deployed in a public transportation operation center, and mainly realizes public transportation service functions such as operation scheduling and passenger information service. The V2X cloud service platform 510 refers to a service platform for implementing V2X applications in cloud support. Roadside awareness facility 540 refers to hardware devices for awareness of road traffic events, traffic participants, obstacles, and may include, but is not limited to: cameras, millimeter wave radars, lidars, and the like.

With continued reference to fig. 5, the bus 520 in the fig. 5 embodiment may include an HMI (Human Machine Interface, on-board human-machine interface) 521, a passenger flow meter 522, and a bus 4G/5G T-Box 523. The passenger flow meter 522 is a device that can be used to count passenger flow information such as bus passenger flow. The on-vehicle human-machine interaction interface HMI521 is a screen or acousto-optic device for providing a display of relevant information for a driver and a passenger on a vehicle, and may include, but is not limited to: vehicle running position display board, stop report display screen, guideboard, vehicle information display screen, etc.

In the embodiment of fig. 5, the V2X cloud service platform 510 is a core unit for making a cloud global decision according to global information or global traffic information to determine whether to give priority to the bus 520. The V2X cloud service platform 510 is connected to the bus service system 550 to obtain service information of each bus running, including but not limited to: travel route information of the bus.

The V2X cloud service platform 510 is connected with the traffic control and information service platform 530 to obtain traffic signal light information and signal timing schemes of multiple intersections, which may include, but are not limited to, signal light states of each traffic direction of the intersections.

The traffic signal lamp information in the embodiment of the disclosure may include an intersection ID, an intersection entrance number N (an entrance number of a signal lamp control intersection), N entrance lamp color state information, and the like, where N is a positive integer greater than or equal to 1.

The inlet light color status information in embodiments of the present disclosure may include, but is not limited to: inlet direction, the number M of the inlet lamp groups, lamp color information of M lamp groups and the like, wherein M is a positive integer greater than or equal to 1.

The light color information of the light group in the embodiments of the present disclosure may include, but is not limited to: the type of light bank (straight, left turn, right turn, motor vehicle, non-motor vehicle, etc.), the light color of the light bank (red light, green light, yellow light, etc.), the remaining time of the light color, etc.

In the embodiment of the present disclosure, the bus 520 may determine whether to initiate a signal priority request (if it is a target bus, it is a target signal priority request) according to the location information of the vehicle running, passenger flow information (such as passenger load factor), and the like:

in some scenarios, location information of vehicle travel may be combined with platform information to determine whether to initiate a signal priority request, such as: if the bus stop is located near the target traffic intersection, the target bus needs to drive into the bus stop, and then the target signal priority request is not sent before the bus stop is driven into because the time for the passengers to get to the bus stop is spent, and the target signal priority request is sent after the bus stop is driven out. According to the method and the device for judging whether the target signal priority request is to be initiated to the V2X cloud service platform or not by combining the position information of the target bus and the platform information of the target traffic intersection, accuracy of whether the target bus gives priority to the target traffic intersection or not can be improved.

In other scenarios, if the occupancy is below a certain threshold (e.g., below 50%), the target bus does not initiate a target signal priority request to the V2X cloud service platform 510; otherwise, if the load factor is greater than or equal to a certain threshold, the target bus initiates a target signal priority request to the V2X cloud service platform 510. According to the method and the device for determining the priority request of the target signal, whether the target signal priority request is initiated to the V2X cloud service platform or not is determined by judging whether the load factor of the target bus is larger than or equal to a certain threshold value, and the purpose that the target bus with higher load factor is allowed to pass preferentially can be achieved.

In the embodiment of the disclosure, the bus 520 may send a signal priority request to the V2X cloud service platform 510, and may send, along with the signal priority request, target public transportation information (which may also be referred to as target bus information at this time) of the target bus at the target traffic intersection, where the target bus information may include, but is not limited to: the method comprises the following steps of a target timestamp, a vehicle number plate of a target bus, a bus route name of the target bus, a bus route uplink and downlink identification of the target bus, position information (longitude and latitude) of the target bus, a running speed of the target bus, a heading angle of the target bus, a passenger carrying rate and the like. After receiving the signal priority request, the V2X cloud service platform 510 may issue request acknowledgement information (the target signal priority request corresponds to the target request acknowledgement information) to the bus 520, so as to inform the bus 520 that the signal priority request sent by the bus has been received. After receiving the request confirmation information, the bus 520 may not resend the signal priority request at the traffic intersection (the target traffic intersection corresponds to the target bus).

Different from the RSU and the OBU based on the LTE-V2X, the method provided by the embodiment of the disclosure is that the broadcasting mechanism of the LTE-V2X determines that the RSU cannot confirm the signal priority request sent by the OBU. In the embodiment of the disclosure, the bus can send a signal priority request to the V2X cloud service platform through the 4G/5G T-Box orientation, so that the peer-to-peer connection between the terminal (bus) and the V2X cloud service platform is realized, when each bus sends the signal priority request to the V2X cloud service platform, the V2X cloud service platform can give a response, for example, returns the request confirmation information, so that the bus can not repeatedly send the request confirmation information to the V2X cloud service platform in the process of passing through the target traffic intersection, and on one hand, the data transmission quantity between the bus and the V2X cloud service platform can be reduced; on the other hand, the V2X cloud service platform can be prevented from repeatedly receiving the same signal priority request, and the V2X cloud service platform does not need to perform duplicate removal processing on the received signal priority request, so that the processing efficiency and accuracy of the V2X cloud service platform can be improved.

In the embodiment of the disclosure, the road side sensing facility 540 may acquire traffic flow information corresponding to the traffic intersection and the associated road section, and may refine the traffic flow data or the traffic flow information of each lane. A traffic intersection may have a plurality of associated road segments, which refers to road segments that are connected to a certain traffic intersection. The V2X cloud service platform 510 may obtain traffic flow information of a plurality of traffic intersections and associated road segments through road side sensing facilities 540 disposed at each traffic intersection or associated road segment.

In the embodiment of the disclosure, the V2X cloud service platform 510 may comprehensively determine the priority order of the target traffic intersection according to the bus information (at least one of the position information, the state information, the passenger flow information, etc.) reported by all the buses at the target traffic intersection, the driving route information of all the buses obtained from the bus service system 550, the traffic flow information of a plurality of forward traffic intersections and related road sections related to the forward driving route of the target bus obtained through the road side sensing facility 540, the traffic signal lamp states, timing schemes, etc. of each traffic intersection obtained through the traffic control and information service platform 530, and generate corresponding priority traffic information, and send the priority traffic information to the traffic control and information service platform 530, where the traffic control and information service platform 530 sends the priority traffic information to the traffic signal controller of the target traffic intersection.

In the embodiment of the present disclosure, how the V2X cloud service platform 510 combines the obtained information to determine the priority ranking of the target traffic intersection may be set according to actual requirements, for example: the 1 st intersection of the running route of a certain bus is not congested, but if the next intersection is blocked, the request priority of the bus is meaningless, and the request priority of the bus is lowered. For another example, for a single intersection, if a bus is approaching the intersection while its forward light is green and green is about to turn red, then the bus may be given a high request priority (extending the green light appropriately) to pass through.

In the embodiment of the disclosure, the V2X cloud service platform 510 may calculate the estimated time of the bus 520 estimated to reach the target traffic intersection according to the target timestamp, the position information, the driving speed information (vehicle speed information) and the stored map information reported by the bus 520, and since there may be a traffic jam at the target traffic intersection, the estimated time of the bus 520 estimated to reach the target traffic intersection may be corrected according to the traffic flow information (including, but not limited to, vehicle data, vehicle average speed (average vehicle speed) and the like) of the target lane where the bus 520 is located, which may be monitored by the road side sensing facility 540 disposed at the target traffic intersection during calculation, so as to obtain the calibration time.

When the bus reports the bus information, the estimated time of the bus reaching the intersection can be calculated only according to the current position information, the speed information and the distance between the bus and the target traffic intersection, and the estimated time is not necessarily accurate. For example, assuming that the current distance from the target bus to the target traffic intersection is 100 meters, the intersection entrance light group corresponding to the target bus is red light, or traffic jam or accident occurs in front of the target bus by 50 meters, and thus, the vehicles are piled up (possibly, a certain lane is piled up), and the running speed of the target bus is slow (or slower than the speed of the bus at the time corresponding to the target timestamp when the signal is sent by the bus and the signal is preferentially requested). The road side sensing facility can obtain the traffic flow information of the whole road and calculate the average speed, so that the estimated time of the bus reaching the target traffic intersection can be corrected by using the average speed.

In the disclosed embodiments, the priority traffic information may include, but is not limited to: intersection ID, intersection import light group ID, request priority direction, request priority light group, request priority strategy (any one of green light extension, red light cut-off (green light advance or red light early break), insert phase, direct pass, phase jump, phase inversion, special phase, etc.), request priority duration, request priority.

In the embodiment of the disclosure, the request priority policy and the request priority duration in the priority traffic information may be determined according to a series of factors such as a current light state of a target traffic intersection (optionally, other traffic intersections associated with the target traffic intersection may also be included), a timing scheme, and estimated time when the target bus is about to reach the target traffic intersection. Various information is comprehensively considered in determining the request priority ordering of each bus, and can include but is not limited to: bus information (including, but not limited to, time stamp, location information, speed information) reported by the bus, and traffic flow information perceived by the road side perception facility. If traffic flow information perceived by the road side perception facility is calibrated to bus information reported by a bus, the request priority is determined by using the calibrated information, and the request priority is determined by using the calibration time.

The early green light (early turn-off of the red light) in the embodiment of the disclosure means that when a bus arrives at an intersection, the traffic direction of the bus is a red light signal, and when the bus arrives at the intersection, the traffic signal can smoothly pass through the intersection by the green light signal by shortening the execution time of the red light of the current phase of the intersection. The green light extension means that when a bus arrives at an intersection, if a green light signal of the phase is about to end, the bus can have enough time to pass through the intersection by extending the green light time of the phase. The phase insertion or phase insertion means that when a bus arrives at an intersection, the traffic direction of the bus is a red light signal, and the next execution phase of the current phase of the intersection still does not allow the bus to pass through, and at this time, a special phase for the bus is inserted between the current phase and the next phase, so as to achieve the purpose of preferential passing of the bus. The phase jump means that when a bus arrives at an intersection, the traffic direction of the bus is a red light signal, and as fewer social vehicles wait for traffic at the next execution phase of the intersection, the next execution phase is skipped, and the phase green light of the traffic direction of the bus is directly executed. The direct passing means that when the bus passing direction is green light and the remaining green light time is enough for the bus to normally pass through the current intersection, the annunciator is not controlled. The phase reversal refers to that when a bus arrives at an intersection, the traffic direction of the bus is a red light signal, the phase of the traffic direction of the bus is mentioned to be executed forefront by adjusting the phase sequence of the phase to be executed, and the phase to be executed originally is placed behind the traffic phase of the bus. The dedicated phase refers to a phase of the dedicated signal (such as a dedicated phase for turning left of the bus) that is activated only when the bus is detected.

In the embodiment of the disclosure, the traffic signal controller can optimally control the signal timing scheme of the traffic signal lamp of the corresponding traffic intersection according to the received priority traffic information, execute any one request priority strategy including green light extension, red light interception or direct passing, and the like, and give more road weights to buses as much as possible.

According to the cooperative bus priority system based on the cloud platform, under the condition of bus vehicle-mounted facilities (for the requirements of industry supervision and bus company business scheduling, buses are provided with 4G/5G T-Box), global decision is made based on cloud global information (cloud information or global traffic information), and whether bus priority is given or not is comprehensively judged by fusing global road traffic conditions, global bus business information, bus state, global signal lamp information and the like, so that public travel priority is guaranteed on the basis of global traffic travel balance.

As shown in fig. 6, a method provided by an embodiment of the present disclosure may include:

in S11, the traffic signal controller may send signal status information of the traffic signal lamp to the traffic control and information service platform.

In S12, after the traffic control and information service platform receives the signal state information of the traffic signal lamp sent by the traffic signal controller, the signal state information is reported to the V2X cloud service platform.

In S13, the road side sensing facility monitors traffic intersections and traffic flow information of each associated road section of each traffic intersection, and reports the monitored traffic flow information of each traffic intersection and each associated road section of each traffic intersection to the V2X cloud service platform.

In S14, the public traffic service system sends traffic information of the public traffic vehicle to the V2X cloud service platform.

In S15, each bus reports at least one of position information, state information, passenger flow information, etc. of each bus to the V2X cloud service platform.

It should be noted that the present disclosure is not limited to the order of steps S12, S13, S14, and S15, and one or more of steps S11, S12, S13, S14, and S15 may be optionally performed.

In S2, the V2X cloud service platform may obtain global traffic information according to one or more of the received signal state information of the traffic signal lamp, traffic flow information of each traffic intersection and each associated road section of each traffic intersection, traffic information of a bus, location information, state information, passenger flow information of each bus, and the like, and make a comprehensive decision according to the global traffic information, determine whether to give priority to the bus, and generate priority traffic information of the corresponding bus.

In S31, the V2X cloud service platform may send the generated priority traffic information to the traffic control and information service platform.

In S32, after receiving the priority traffic information of each bus, the traffic control and information service platform may send the priority traffic information of each bus to the traffic signal controller of the corresponding traffic intersection, for example, send the priority traffic information of the target bus to the traffic signal controller of the target traffic intersection.

After each traffic signal controller receives the priority traffic information of the corresponding public traffic, the traffic signal controllers can control the signal lamps of the corresponding traffic intersections, for example, the target traffic signal lamps of the target traffic intersections are controlled according to the priority traffic information.

In S4, optionally, the V2X cloud service platform may further send the priority traffic information to the corresponding bus, so as to display the priority traffic information on the vehicle-mounted terminal of the corresponding bus, for example, display the priority traffic information on the vehicle-mounted terminal of the target bus.

The traffic control method provided by the embodiment of the disclosure can be applied to the priority traffic control of buses, and a cooperative bus priority system is realized through a cloud-based V2X cloud service platform (also called a cloud platform), and comprehensively judges whether to give priority to buses or not by fusing global road traffic conditions, global bus business information, bus information such as bus state, global signal lamp information and the like, and guarantees public travel priority on the basis of global traffic travel balance. With the rapid promotion of the urban process, the urban resident population is rapidly increased, the public traffic is greatly developed, and the traffic jam and the traffic pollution are relieved. The urban public transportation has the advantages of intensive high efficiency, energy conservation, environmental protection and the like, and the effective way of preferentially developing the public transportation to relieve traffic jams, converting urban transportation development modes, improving the quality of life of people and improving the basic public service level is a strategic choice for constructing a resource-saving environment-friendly society.

The method provided in the embodiment of fig. 7 may be performed by an in-vehicle terminal provided on a target public transportation means, but the present disclosure is not limited thereto, and may be performed by virtually any computer device.

As shown in fig. 7, a method provided by an embodiment of the present disclosure may include:

in S710, target public transportation information of a target public transportation at a target transportation intersection is transmitted to the vehicle communication application server.

The target public transportation information may be used to instruct the vehicular communication application server to determine preferential traffic information of the target public transportation at the target traffic intersection according to global traffic information associated with the target traffic intersection or the target public transportation and the target public transportation information, and transmit the preferential traffic information to a traffic signal controller of the target traffic intersection.

The priority traffic information may be used to instruct the traffic signal controller to control the target traffic signal device of the target traffic intersection according to the priority traffic information.

The global traffic information may be used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information may include at least one of global road traffic conditions, global public traffic service information, global public traffic means information, global traffic signal information, and the like.

The priority traffic information may include a target request priority policy for the target public vehicle at the target traffic intersection.

In an exemplary embodiment, transmitting the target public transportation information of the target public transportation at the target traffic intersection to the vehicle communication application server may include: directionally transmitting a target signal priority request of the target public transportation means at the target transportation intersection to the vehicle communication application server, wherein the target signal priority request can comprise the target public transportation means information of the target public transportation means at the target transportation intersection; receiving target request confirmation information returned by the vehicle communication application server in response to the target signal priority request; and determining that the target signal priority request is not sent to the vehicle communication application server any more according to the target request confirmation information.

In an exemplary embodiment, directionally sending, to the vehicle communication application server, a target signal priority request of the target public transportation means at the target traffic intersection may include: acquiring position information and passenger flow information of the target public transport means at the target traffic intersection; and determining to directionally send the target signal priority request to the vehicle communication application server according to the position information and the passenger flow information of the target public transport means at the target traffic intersection.

In an exemplary embodiment, determining to send the target signal priority request to the vehicular communication application server in a directed manner according to the location information and the passenger flow information of the target public transportation means at the target traffic intersection may include: acquiring platform information of the target traffic intersection; and determining to send the target signal priority request to the vehicular communication application server in a directional manner according to the position information and the passenger flow information of the target public transport means at the target traffic intersection and the platform information of the target traffic intersection.

Other details of the embodiment of fig. 7 may be found in the other embodiments described above.

The method provided by the embodiment of fig. 8 may be performed by a traffic control and information service platform, but the disclosure is not limited thereto and may be performed by virtually any computer device.

As shown in fig. 8, a method provided by an embodiment of the present disclosure may include:

in S810, signal state information of a plurality of traffic signal devices of a plurality of traffic intersections is received, the signal state information being reported by a plurality of traffic signal controllers at a plurality of traffic intersections associated with a target traffic intersection or a target public vehicle.

In S820, signal state information of a plurality of traffic signal devices at a plurality of traffic intersections is transmitted to the vehicle communication application server.

The signal state information of the plurality of traffic signal devices of the plurality of traffic intersections may be used to instruct the vehicular communication application server to obtain global traffic signal information associated with the target traffic intersection or the target public transportation means according to the signal state information of the plurality of traffic signal devices of the plurality of traffic intersections.

The global traffic signal information may be used to instruct the vehicular communication application server to obtain global traffic information associated with the target traffic intersection or the target public transportation means, and obtain target public transportation means information of the target public transportation means at the target traffic intersection, and determine, according to the global traffic information and the target public transportation means information, preferential traffic information of the target public transportation means at the target traffic intersection, where the global traffic information may be used to instruct information of a plurality of traffic intersections associated with the target traffic intersection.

In S830, the priority traffic information transmitted by the vehicle communication application server is received.

In an embodiment of the disclosure, the priority traffic information may include a target request priority policy of the target public transportation means at the target traffic intersection.

In S840, the priority traffic information is sent to the traffic signal controller of the target traffic intersection, where the priority traffic information may be used to instruct the traffic signal controller to control the target traffic signal device of the target traffic intersection according to the priority traffic information.

Other content of the embodiment of fig. 8 may be referred to the other embodiments described above.

As shown in fig. 9, the traffic control device 900 provided in the embodiment of fig. 9 may be provided in any computer device, such as the server 101 in the embodiment of fig. 1, but the disclosure is not limited thereto.

Referring to fig. 9, the traffic control apparatus 900 may include an acquisition unit 910, a determination unit 920, and a transmission unit 930.

The acquisition unit 910 may be used to acquire global traffic information associated with a target traffic intersection or a target public transportation. The global traffic information may be used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information may include at least one of global road traffic conditions, global public traffic service information, global public traffic means information, global traffic signal information, and the like.

The acquisition unit 910 may also be configured to acquire target public transportation information of a target public transportation at the target transportation intersection.

The determining unit 920 may be configured to determine, according to the global traffic information and the target public transportation information, priority traffic information of the target public transportation at the target traffic intersection.

The transmission unit 930 may be configured to transmit the preferential traffic information to a traffic signal controller of the target traffic intersection, where the preferential traffic information may be configured to instruct the traffic signal controller to control a target traffic signal device of the target traffic intersection according to the preferential traffic information.

In an exemplary embodiment, the global traffic information may include global road traffic conditions; the global road traffic condition may be used to indicate traffic conditions for a plurality of traffic intersections associated with the target traffic intersection and a plurality of associated road segments for a plurality of traffic intersections;

wherein, the acquisition unit 910 may include: the receiving unit can be used for receiving the traffic flow information of each traffic intersection and each associated road section of each traffic intersection from each road side sensing facility arranged at each traffic intersection; the obtaining unit can be used for obtaining the global road traffic condition according to the traffic intersections and the traffic flow information of each associated road section of each traffic intersection.

In an exemplary embodiment, the target public transportation information may include target travel direction information of the target public transportation at the target traffic intersection.

The traffic flow information of each traffic intersection and each associated road segment of each traffic intersection may include the traffic flow information of each associated road segment of the target traffic intersection and the target traffic intersection, and the traffic flow information of each associated road segment of the forward traffic intersection and each forward traffic intersection along the target driving direction information.

Wherein the obtaining unit may further be configured to: determining current road congestion state information of the target traffic road junction according to the target traffic road junction and the traffic flow information of each associated road section of the target traffic road junction; and determining the next intersection congestion state information of the forward traffic intersection along the target driving direction information according to the forward traffic intersection along the target driving direction information and the traffic flow information of each associated road section of each forward traffic intersection, wherein the global road traffic condition can comprise the current intersection congestion state information and the next intersection congestion state information.

Wherein the determining unit 920 may further be configured to: and determining the priority traffic information according to the current intersection congestion state information, the next intersection congestion state information and the target public transportation means information.

In an exemplary embodiment, the global traffic information may include global traffic signal information; the global traffic signal information may be used to indicate information of traffic signal devices of a plurality of traffic intersections associated with the target traffic intersection or the target public vehicle.

The traffic intersection may include the target traffic intersection and the traffic signal device may include the target traffic signal device.

Wherein, the acquisition unit 910 may include: the receiving unit can be used for acquiring signal state information of a plurality of traffic signal devices of a plurality of traffic intersections reported by a plurality of traffic signal controllers of the plurality of traffic intersections through the traffic control and information service platform; the obtaining unit can be used for obtaining the global traffic signal information according to the signal state information of the traffic signal devices of the traffic intersections.

The target public transportation information may include a target time stamp reporting the target public transportation information, location information and status information of the target public transportation.

The priority traffic information may include a target request priority policy and a target request priority duration of the target public transportation means at the target traffic intersection.

Wherein, the determining unit 920 may include: the estimating unit can be used for obtaining the estimated time of the target public transport means to reach the target traffic intersection according to the target time stamp, the position information and the state information of the target public transport means. The determining unit 920 may be further configured to determine the target request priority policy and the target request priority duration according to the global traffic signal information and the estimated time.

In an exemplary embodiment, the global traffic information may further include global road traffic conditions; the global road traffic condition may include traffic flow information of a target lane in which the target public transportation is located at the target traffic intersection.

Wherein the determining unit 920 may further include a correcting unit, which may be configured to: and correcting the estimated time according to the traffic flow information of the target lane of the target public transport means at the target traffic intersection to obtain the calibration time. The determining unit 920 may be further configured to determine the target request priority policy and the target request priority duration according to the global traffic signal information and the calibration time.

In an exemplary embodiment, the global traffic information may include global public traffic information; the global public transportation service information may indicate service information of a plurality of public transportation vehicles associated with the target transportation intersection or the target public transportation vehicle.

Wherein the acquisition unit 910 may further be configured to: the global public transportation service information is acquired from a public transportation service system, and the global public transportation service information comprises the driving route information of each public transportation tool.

In an exemplary embodiment, the global traffic information may include global public transportation information; the global public transportation information may indicate information of a plurality of public transportation vehicles associated with the target public transportation.

Wherein, the acquisition unit 910 may include: the receiving unit can be used for receiving public transportation information reported by each public transportation; the obtaining unit can be used for obtaining the global public transportation information according to the public transportation information reported by each public transportation. The global public transportation information may include at least one of location information, status information, passenger flow information, and the like of a plurality of public transportation associated with the target public transportation.

In an exemplary embodiment, the acquisition unit 910 may include: a receiving unit, configured to receive a target signal priority request sent by the target public transportation means at the target traffic intersection, where the target signal priority request may include the target public transportation means information of the target public transportation means at the target traffic intersection; and the sending unit can be used for responding to the target signal priority request and sending target request confirmation information to the target public transportation means, wherein the target request confirmation information indicates that the target public transportation means does not send the target signal priority request any more at the target traffic intersection.

Other details of the embodiment of fig. 9 may be found in the other embodiments described above.

Further, the embodiment of the present disclosure also provides a traffic control device, which may be provided in any computer device, for example, the vehicle-mounted terminal 102 in the embodiment of fig. 1, but the present disclosure is not limited thereto.

The traffic control device provided by the embodiment of the disclosure may include a transmitting unit that may be used to transmit, to the vehicular communication application server, target public transportation information of a target public transportation at a target traffic intersection.

The global traffic information may be used to indicate information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information may include at least one of global road traffic conditions, global public traffic service information, global public traffic information, global traffic signal information, and the like associated with the target traffic intersection or the target public traffic.

In an exemplary embodiment, the transmitting unit may include a directional transmitting unit, and the directional transmitting unit may be configured to directionally transmit, to the vehicular communication application server, a target signal priority request of the target public transportation at the target traffic intersection, and the target signal priority request may include the target public transportation information of the target public transportation at the target traffic intersection. For example, the directional transmitting unit may be implemented by a bus 4G/5G T-Box 523 provided on the bus 520, but the present disclosure is not limited thereto.

The traffic control device provided by the embodiment of the disclosure may further include a receiving unit and a processing unit, where the receiving unit may be configured to receive target request acknowledgement information returned by the vehicle communication application server in response to the target signal priority request. The processing unit may be configured to determine, based on the target request acknowledgement information, that the target signal priority request is no longer sent to the vehicular communication application server.

In an exemplary embodiment, the directional transmitting unit may include: the acquisition unit can be used for acquiring the position information and the passenger flow information of the target public transport means at the target traffic intersection; and the determining unit can be used for determining to send the target signal priority request to the vehicle communication application server in a directed way according to the position information and the passenger flow information of the target public transport means at the target traffic intersection.

In an exemplary embodiment, the obtaining unit may be further configured to obtain platform information of the target traffic intersection. The determining unit may be further configured to determine to send the target signal priority request to the vehicular communication application server in a directed manner according to the position information and the passenger flow information of the target public transportation means at the target traffic intersection and the platform information of the target traffic intersection.

Further, the embodiment of the present disclosure also provides a traffic control device, which may be disposed on any computer device, such as the traffic control and information service platform 530 in the embodiment of fig. 5, but the present disclosure is not limited thereto.

The traffic control device provided by the embodiment of the disclosure may include: a receiving unit and a transmitting unit.

The receiving unit may be configured to receive signal state information of a plurality of traffic signal devices of a plurality of traffic intersections, the signal state information being reported by a plurality of traffic signal controllers, the plurality of traffic signal controllers being capable of being at a plurality of traffic intersections associated with a target traffic intersection or a target public transportation.

The transmitting unit may be configured to transmit signal state information of a plurality of traffic signal devices of a plurality of traffic intersections to the vehicular communication application server.

The receiving unit may be further configured to receive the preferential traffic information sent by the vehicular communication application server.

The sending unit may be further configured to send the priority traffic information to a traffic signal controller of the target traffic intersection, where the priority traffic information may be configured to instruct the traffic signal controller to control a target traffic signal device of the target traffic intersection according to the priority traffic information.

Referring to fig. 10, fig. 10 is a schematic structural diagram of a computer device according to an embodiment of the present disclosure. As shown in fig. 10, a computer device in an embodiment of the present disclosure may include: one or more processors 1001, memory 1002, and an input-output interface 1003. The processor 1001, memory 1002, and input/output interface 1003 are connected by a bus 1004. The memory 1002 is used for storing a computer program including program instructions, and the input-output interface 1003 is used for receiving data and outputting data, such as for data interaction between a host and a computer device, or for data interaction between respective virtual machines in the host; the processor 1001 is configured to execute program instructions stored in the memory 1002.

The processor 1001 may perform the following operations, among others: acquiring global traffic information associated with a target traffic intersection or a target public transportation means, wherein the global traffic information is used for indicating information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information comprises at least one of global road traffic conditions, global public transportation service information, global public transportation means information and global traffic signal information; acquiring target public transportation means information of a target public transportation means at the target traffic intersection; determining the priority traffic information of the target public transportation means at the target traffic intersection according to the global transportation information and the target public transportation means information; and transmitting the priority traffic information to a traffic signal controller of the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control target traffic signal equipment of the target traffic intersection according to the priority traffic information.

Alternatively, the processor 1001 may perform the following operations: transmitting target public transportation means information of the target public transportation means at the target traffic intersection to the vehicle communication application server; the target public transportation means information is used for indicating the vehicle communication application server to determine the prior traffic information of the target public transportation means at the target transportation intersection according to global transportation information related to the target transportation intersection or the target public transportation means and the target public transportation means information, and transmitting the prior traffic information to a transportation signal controller of the target transportation intersection, wherein the prior traffic information is used for indicating the transportation signal controller to control target transportation signal equipment of the target transportation intersection according to the prior traffic information; the global traffic information is used for indicating information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information comprises at least one of global road traffic conditions, global public traffic service information, global public traffic means information and global traffic signal information.

Alternatively, the processor 1001 may perform the following operations: receiving signal state information of a plurality of traffic signal devices of a plurality of traffic intersections, the signal state information being reported by a plurality of traffic signal controllers at a plurality of traffic intersections associated with a target traffic intersection or a target public transportation; transmitting the signal state information to a vehicle communication application server; the signal state information is used for indicating the vehicle communication application server to obtain global traffic signal information associated with the target traffic intersection or the target public transportation means according to the signal state information of a plurality of traffic signal devices of a plurality of traffic intersections; the global traffic signal information is used for indicating the vehicle communication application server to acquire global traffic information related to the target traffic intersection or the target public transportation means, and acquiring target public transportation means information of the target public transportation means at the target traffic intersection, and determining preferential traffic information of the target public transportation means at the target traffic intersection according to the global traffic information and the target public transportation means information, wherein the global traffic information is used for indicating information of a plurality of traffic intersections related to the target traffic intersection; receiving the preferential traffic information sent by the vehicle communication application server; and sending the priority traffic information to a traffic signal controller of the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control target traffic signal equipment of the target traffic intersection according to the priority traffic information.

The memory 1002 may include read only memory and random access memory, and provides instructions and data to the processor 1001 and input output interface 1003. A portion of memory 1002 may also include non-volatile random access memory. For example, the memory 1002 may also store information of a device type. In a specific implementation, the computer device may execute, through each functional module built in the computer device, an implementation manner provided by each step in the foregoing embodiment, and specifically may refer to an implementation manner provided by each step in the foregoing embodiment, which is not described herein again.

Embodiments of the present disclosure provide a computer device comprising: the processor, the input/output interface, and the memory, and the computer program in the memory is acquired by the processor, so as to execute the steps of the method in the above embodiment.

The embodiments of the present disclosure further provide a computer readable storage medium, where the computer readable storage medium stores a computer program, where the computer program is adapted to be loaded by the processor and execute the traffic control method provided by each step in the foregoing embodiments, and specifically refer to the implementation manner provided by each step in the foregoing embodiments, which is not described herein again. In addition, the description of the beneficial effects of the same method is omitted. For technical details not disclosed in the embodiments of the computer-readable storage medium according to the present disclosure, please refer to the description of the embodiments of the method according to the present disclosure. As an example, a computer program may be deployed to be executed on one computer device or on multiple computer devices at one site or distributed across multiple sites and interconnected by a communication network. The computer readable storage medium may be the traffic control apparatus provided in any of the foregoing embodiments or an internal storage unit of the computer device, such as a hard disk or a memory of the computer device. The computer readable storage medium may also be an external storage device of the computer device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) card, a flash card (flash card) or the like, which are provided on the computer device. Further, the computer-readable storage medium may also include both internal storage units and external storage devices of the computer device. The computer-readable storage medium is used to store the computer program and other programs and data required by the computer device. The computer-readable storage medium may also be used to temporarily store data that has been output or is to be output.

The disclosed embodiments also provide a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the methods provided in the various alternatives in the above embodiments.

Claims

1. A traffic control method, comprising:

acquiring global traffic information associated with a target traffic intersection or a target public transportation means, wherein the global traffic information is used for indicating information of a plurality of traffic intersections associated with the target traffic intersection, and the global traffic information comprises at least one of global road traffic conditions, global public transportation service information, global public transportation means information and global traffic signal information;

acquiring target public transportation means information of the target public transportation means at the target traffic intersection;

determining the priority traffic information of the target public transportation means at the target traffic intersection according to the global transportation information and the target public transportation means information;

And transmitting the priority traffic information to a traffic signal controller of the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control target traffic signal equipment of the target traffic intersection according to the priority traffic information.

2. The method of claim 1, wherein the global traffic information comprises global road traffic conditions; the global road traffic condition is used for indicating traffic conditions of a plurality of traffic intersections associated with the target traffic intersection and a plurality of associated road segments of the plurality of traffic intersections;

wherein obtaining global traffic information associated with a target traffic intersection or a target public transportation means comprises:

receiving traffic flow information of each traffic intersection and each associated road section of each traffic intersection from each road side sensing facility arranged at each traffic intersection;

and obtaining the global road traffic condition according to the traffic intersections and the traffic flow information of each associated road section of each traffic intersection.

3. The method of claim 2, wherein the target public transportation information includes target travel direction information of the target public transportation at the target traffic intersection;

The traffic flow information of each traffic intersection and each associated road section of each traffic intersection comprises the traffic flow information of each associated road section of the target traffic intersection and each associated road section of the target traffic intersection, and the traffic flow information of each associated road section of the forward traffic intersection and each forward traffic intersection along the target driving direction information;

the global road traffic condition is obtained according to traffic intersections and traffic flow information of each associated road section of each traffic intersection, and the method comprises the following steps:

determining current road congestion state information of the target traffic road junction according to the target traffic road junction and the traffic flow information of each associated road section of the target traffic road junction;

determining next intersection congestion state information of a forward traffic intersection along the target driving direction information according to the forward traffic intersection along the target driving direction information and the traffic flow information of each associated road section of each forward traffic intersection, wherein the global road traffic condition comprises the current intersection congestion state information and the next intersection congestion state information;

wherein determining the priority traffic information of the target public transportation means at the target traffic intersection according to the global transportation information and the target public transportation means information comprises:

And determining the priority traffic information according to the current intersection congestion state information, the next intersection congestion state information and the target public transportation means information.

4. The method of claim 1, wherein the global traffic information comprises global traffic signal information; the global traffic signal information is information indicating traffic signal devices of a plurality of traffic intersections associated with the target traffic intersection or the target public transportation;

the traffic intersection comprises the target traffic intersection, and the traffic signal equipment comprises the target traffic signal equipment;

acquiring signal state information of a plurality of traffic signal devices of a plurality of traffic intersections reported by a plurality of traffic signal control machines of a plurality of traffic intersections through a traffic control and information service platform;

and obtaining the global traffic signal information according to the signal state information of the traffic signal devices at the traffic intersections.

5. The method of claim 1, wherein the global traffic information comprises global traffic signal information; the global traffic signal information includes signal state information of a plurality of traffic signal devices of a plurality of traffic intersections associated with the target traffic intersection or the target public transportation;

The target public transportation means information comprises a target time stamp for reporting the target public transportation means information, and position information and state information of the target public transportation means;

the priority traffic information comprises a target request priority strategy and target request priority duration of the target public transport means at the target traffic intersection;

obtaining estimated time for the target public transportation means to reach the target traffic intersection according to the target time stamp, the position information and the state information of the target public transportation means;

and determining the target request priority strategy and the target request priority duration according to the global traffic signal information and the estimated time.

6. The method of claim 5, wherein the global traffic information further comprises global road traffic conditions; the global road traffic condition comprises traffic flow information of a target lane where the target public transport is located at the target traffic intersection;

Wherein determining the target request priority policy and the target request priority duration according to the global traffic signal information and the estimated time includes:

correcting the estimated time according to traffic flow information of a target lane where the target public transport means is located at the target traffic intersection to obtain a calibration time;

and determining the target request priority strategy and the target request priority duration according to the global traffic signal information and the calibration time.

7. The method of claim 1, wherein the global traffic information comprises global public transportation service information; the global public transportation service information is used for indicating service information of a plurality of public transportation means associated with the target traffic intersection or the target public transportation means;

the global public transportation service information is acquired from a public transportation service system, and the global public transportation service information comprises the driving route information of each public transportation tool.

8. The method of claim 1, wherein the global traffic information comprises global public transportation information; the global public transportation information is used for indicating information of a plurality of public transportation means associated with the target public transportation means;

receiving public transportation means information reported by each public transportation means;

and obtaining global public transportation information according to public transportation information reported by each public transportation, wherein the global public transportation information comprises at least one of position information, state information and passenger flow information of a plurality of public transportation related to the target public transportation.

9. The method of claim 1, wherein obtaining target public transportation information for the target public transportation at the target traffic intersection comprises:

receiving a target signal priority request sent by the target public transport means at the target traffic intersection in a directed way, wherein the target signal priority request comprises the target public transport means information of the target public transport means at the target traffic intersection;

and responding to the target signal priority request, and sending target request confirmation information to the target public transportation means, wherein the target request confirmation information is used for indicating that the target public transportation means does not send the target signal priority request any more at the target traffic intersection.

10. A traffic control method, comprising:

receiving signal state information of a plurality of traffic signal devices of a plurality of traffic intersections, wherein the signal state information is reported by a plurality of traffic signal controllers, and the traffic signal controllers are positioned at the plurality of traffic intersections associated with a target traffic intersection or a target public transportation means;

transmitting the signal state information to a vehicle communication application server;

the signal state information is used for indicating the vehicle communication application server to obtain global traffic signal information associated with the target traffic intersection or the target public transportation means according to the signal state information;

the global traffic signal information is used for indicating the vehicle communication application server to acquire global traffic information related to the target traffic intersection or the target public transportation means, and acquiring target public transportation means information of the target public transportation means at the target traffic intersection, and determining preferential traffic information of the target public transportation means at the target traffic intersection according to the global traffic information and the target public transportation means information, wherein the global traffic information is used for indicating information of a plurality of traffic intersections related to the target traffic intersection;

Receiving the preferential traffic information sent by the vehicle communication application server;

and sending the priority traffic information to a traffic signal controller of the target traffic intersection, wherein the priority traffic information is used for indicating the traffic signal controller to control target traffic signal equipment of the target traffic intersection according to the priority traffic information.

11. A traffic control device, comprising:

an acquisition unit configured to acquire global traffic information associated with a target traffic intersection or a target public transportation, the global traffic information being configured to indicate information of a plurality of traffic intersections associated with the target traffic intersection, the global traffic information including at least one of global road traffic conditions, global public transportation service information, global public transportation information, and global traffic signal information;

the acquisition unit is further used for acquiring target public transportation means information of the target public transportation means at the target traffic intersection;

a determining unit, configured to determine, according to the global traffic information and the target public traffic information, priority traffic information of the target public traffic at the target traffic intersection;

The transmission unit is used for transmitting the priority traffic information to the traffic signal controller of the target traffic intersection, and the priority traffic information indicates the traffic signal controller to control the target traffic signal equipment of the target traffic intersection according to the priority traffic information.

12. A computer device, comprising:

one or more processors;

a memory configured to store one or more programs that, when executed by the one or more processors, cause the computer device to implement the method of any of claims 1-9; or alternatively, the process may be performed,

the method of claim 10.

13. A computer readable storage medium storing a computer program, characterized in that the computer program causes a computer device to perform the method of any one of claims 1 to 9; or alternatively, the process may be performed,

the method of claim 10.

14. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the method of any one of claims 1 to 9; or alternatively, the process may be performed,

The method of claim 10.