CN112133113A - Intelligent network real-time command system for road traffic of urban road intersection - Google Patents
Intelligent network real-time command system for road traffic of urban road intersection Download PDFInfo
- Publication number
- CN112133113A CN112133113A CN202011024893.5A CN202011024893A CN112133113A CN 112133113 A CN112133113 A CN 112133113A CN 202011024893 A CN202011024893 A CN 202011024893A CN 112133113 A CN112133113 A CN 112133113A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
Abstract
The invention discloses an intelligent network real-time command system of road traffic at urban road intersections, which comprises: remote traffic supervisory systems, roadside traffic supervisory systems and the on-board unit of arranging on the vehicle in, wherein: the remote traffic supervision system is connected to the roadside traffic supervision system through a wireless network; the roadside traffic monitoring system is connected with the vehicle-mounted equipment within a preset interval range through a V2X vehicle networking technology and used for realizing control related data interaction with the vehicle-mounted equipment. The invention realizes real-time command of the intersection and realizes algorithm operation compatible with phase and lamp group control logic at the same time.
Description
Technical Field
The invention relates to the field of road command, in particular to an intelligent network real-time command system for road traffic at an urban road intersection.
Background
In a new product launched by the urban intelligent transportation industry BIG4 by the traditional intelligent transportation enterprises, the aim of the Haixin 'intelligent heart' is to realize automatic unmanned optimization of whole-city signal control, and the foothold is on the traffic signal control scheme; the 'smart' book and the 'easy strategy' are integrated with the internet, traffic data and artificial intelligence algorithm to realize regional road network right regulation and control and analyze road intersection conditions, including trunk line signal control evaluation and the like; depending on the advantage resources of the Hangzhou city signal optimization police-enterprise combined laboratory, a Yinjiang ultra-energy road battle team (signal optimization team) independently develops a traffic ultra-energy signal optimization service platform; the 'intelligent traffic management 2.0' of Shanghai electric department provides intelligent interaction of an application level, intelligent assistance of a decision level and intelligent calculation of a data level around the requirement of traffic real-time command management and control. The method also comprises products such as IDPS traffic brains of weft and square technologies, and more enterprises in the industry pay attention to signal control, are continuously put into research and development, and build new products.
In conclusion, a great deal of research is put into the signalers of the signal control club, but the signalers based on the internet of vehicles technology and the operating system are blank, the core software and hardware products of the information technology industry in China are limited by the contradiction of people, the influence of the medium and luxurious outage events is severe and far, and the core problem of national information safety can be fundamentally solved only if the torsion information technology is limited by the people's pattern for a long time.
Disclosure of Invention
The intelligent network real-time command system for the road traffic of the urban road intersection realizes the real-time command of the intersection by combining the vehicle networking technology and realizes the algorithm operation of simultaneously compatible phase and lamp group control logic.
In order to achieve the above object, the present invention provides an intelligent network real-time command system for road traffic at an urban road intersection, comprising: remote traffic supervisory systems, roadside traffic supervisory systems and the on-board unit of arranging on the vehicle in, wherein: the remote traffic supervision system is connected to the roadside traffic supervision system through a wireless network and used for realizing control related information interaction with the roadside traffic supervision system, wherein the control related information comprises at least one of the following information sent by the remote traffic supervision system: reflecting the time length control information and lane limiting direction control information of a signal lamp expected by a remote operator, starting control information and health state monitoring control information aiming at a roadside traffic monitoring system, and identity authentication request information and vehicle state monitoring control information aiming at the vehicle-mounted equipment; the control-related information further includes at least one of the following information received by the remote traffic surveillance system: health state feedback information and intersection vehicle position summary information of the road side traffic supervision system, identity authentication feedback information and vehicle state feedback information of the vehicle-mounted equipment; the roadside traffic supervision system is connected to the vehicle-mounted equipment within a preset interval range through a V2X vehicle networking technology and is used for realizing control related data interaction with the vehicle-mounted equipment, wherein the control related data comprise forwarded identity authentication request information and vehicle state monitoring control information aiming at the vehicle-mounted equipment, duration control information and lane definition direction control information of an actual signal lamp and alarm information aiming at a vehicle where the vehicle-mounted equipment is located, and the duration control information and the lane definition direction control information of the actual signal lamp are configured to be determined based on the identity information of the vehicle-mounted equipment, the duration control information reflecting signal lamps expected by remote operators and the lane definition direction control information; and the vehicle-mounted equipment is used for responding to the identity authentication request information, sending identity information of the vehicle-mounted equipment and sending special request information, so that the roadside traffic supervision system can execute a special control strategy for enabling a vehicle where the vehicle-mounted equipment is located to pass through quickly based on the special request information, and can execute corresponding alarm in the vehicle based on the alarm information.
Preferably, the roadside traffic supervision system includes: the device comprises a processor using a godson as a core, a signal lamp control device, a geomagnetic detector, a high-definition camera and a microwave detector; the processor is used for determining the time length control information and the lane limiting direction control information of the signal lamp control device according to the identity information based on the vehicle-mounted equipment, the time length control information reflecting the signal lamp expected by a remote operator and the lane limiting direction control information, and is also used for executing a special control strategy for enabling the vehicle where the vehicle-mounted equipment is located to pass quickly according to the special request information; the signal lamp control device controls the signal lamp according to the duration control information and the lane limiting direction control information, and the geomagnetic detector, the high-definition camera and the microwave detector are used for collecting intersection vehicle position summary information and sending the intersection vehicle position summary information to the remote traffic supervision system.
Preferably, the signal lamps include a signal lamp indicating whether the intersection can pass or not and a signal lamp indicating a direction in which the intersection can travel.
Preferably, the special control strategy comprises: presetting a special channel which can enable the vehicle to rapidly pass through the intersection; increasing a green light time in the vehicle travel direction; and increasing the passage of the vehicle passing through the intersection in the driving direction.
Preferably, the vehicle-mounted device includes: the vehicle central control unit is used for responding to the identity authentication request information and sending identity information of the vehicle-mounted equipment; the special case writing unit is used for writing special request information and can quickly transmit the special request information to the signal lamp control device through a special channel; and the warning unit is connected with the vehicle central control unit and used for executing corresponding warning in the vehicle based on the warning information, wherein the warning information comprises at least one of the following: the voice information of other vehicles in a special channel is avoided, the voice information of the special channel which is passed by the vehicle, the voice information of the road section which is prevented from driving into the jam road section and the voice information of the road section which limits the driving of the vehicle are preset.
Preferably, the roadside traffic supervision system further includes: and the roadside sign is connected to the processor and used for displaying the time length control information and the lane limiting direction control information determined by the intersection.
Preferably, the remote traffic surveillance system further comprises: and the display is used for generating the intersection topological graph based on the intersection vehicle position summary information and the vehicle state feedback information.
According to the technical scheme, the remote traffic monitoring system is used for realizing remote control and state monitoring, the remote traffic monitoring system can be connected with a roadside traffic monitoring system to realize traffic monitoring and management on the whole, the roadside traffic monitoring system is used as a node of the remote traffic monitoring system and is used for being connected with the vehicle-mounted equipment in a preset range at intervals through a V2X vehicle networking technology, and management among crossing equipment is realized by controlling early warning display and information transmission of the vehicle-mounted equipment in the preset range, so that vehicles can timely know crossing conditions, adjusting the driving direction and driving lanes and realizing combination of the vehicle networking technology and an operating system.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram illustrating an intelligent network real-time command system for road traffic at an urban road intersection according to the present invention;
FIG. 2 is a block diagram illustrating the roadside traffic surveillance system of the present invention; and
fig. 3 is a block diagram illustrating the modules of the in-vehicle apparatus of the present invention.
Description of the reference numerals
1 remote traffic supervision system 2 roadside traffic supervision system
3 processor of vehicle-mounted device 21
22 signal lamp control device 23 geomagnetic detector
24 high definition camera 25 microwave detector
31 vehicle central control unit 32 special case writing unit
33 alarm unit
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a block diagram of an intelligent network real-time command system for road traffic at an urban road intersection according to the present invention, and as shown in fig. 1, the intelligent network real-time command system for road traffic at an urban road intersection includes: remote traffic supervisory systems, roadside traffic supervisory systems and the on-board unit of arranging on the vehicle in, wherein: the remote traffic supervision system is connected to the roadside traffic supervision system through a wireless network or a wired network, and is used for realizing control related information interaction with the roadside traffic supervision system, wherein the control related information comprises at least one of the following information sent by the remote traffic supervision system: the system comprises a traffic monitoring system, a remote traffic monitoring system and a traffic monitoring system, wherein the traffic monitoring system is a traffic terminal and is used for realizing traffic management and monitoring, and the monitoring authority of the traffic monitoring system is generally a traffic team; the control-related information further includes at least one of the following information received by the remote traffic surveillance system: health state feedback information and intersection vehicle position summary information of the road side traffic supervision system, identity authentication feedback information of the vehicle-mounted equipment and vehicle state feedback information, wherein the vehicle state feedback information can be information such as whether drunk driving exists in the vehicle, whether each control system of the vehicle is normal, whether safety protection measures (safety belts) are made by personnel in the vehicle, whether the vehicle is subjected to annual inspection, whether the vehicle is protected or not, and the like; the roadside traffic supervision system is connected to the vehicle-mounted equipment within 3km of a preset range of the vehicle-mounted equipment through a V2X vehicle networking technology, and is used for realizing control related data interaction with the vehicle-mounted equipment, wherein the control related data comprise forwarded identity authentication request information and vehicle state monitoring control information aiming at the vehicle-mounted equipment, time length control information and lane limiting direction control information of an actual signal lamp, and warning information aiming at a vehicle where the vehicle-mounted equipment is located, and the time length control information and the lane limiting direction control information of the actual signal lamp are configured to be determined based on the identity information of the vehicle-mounted equipment, the time length control information reflecting the signal lamp expected by a remote operator and the lane limiting direction control information; and the vehicle-mounted equipment is used for responding to the identity authentication request information, sending the identity information of the vehicle-mounted equipment and sending special request information, so that the roadside traffic supervision system can execute a special control strategy for enabling the vehicle where the vehicle-mounted equipment is located to pass quickly based on the special request information and can execute corresponding alarm in the vehicle based on the alarm information, the vehicle-mounted equipment is equipment which is installed independently of the vehicle, has the authority for acquiring all information of the vehicle and represents an external exchange unit of the vehicle, the vehicle-mounted equipment can acquire the position (GPS or Beidou positioning) of the vehicle and can also forward a control signal so that the vehicle can alarm in real time.
Preferably, as shown in fig. 2, the roadside traffic supervision system may include: the device comprises a processor using a godson as a core, a signal lamp control device, a geomagnetic detector, a high-definition camera and a microwave detector; the Loongson is a domestic processor, a domestic SylixOS core operating system is adopted in the invention, modular design and development are developed, a high-performance chip with the dominant frequency of 1G or more is adopted to improve the computing capability of a core control module, a CAN bus communication mode is adopted to increase the communication bandwidth among modules, and the internal communication reliability of the annunciator is improved. The processor is used for determining the time length control information and the lane limiting direction control information of the signal lamp control device according to the identity information based on the vehicle-mounted equipment, the time length control information reflecting the signal lamp expected by a remote operator and the lane limiting direction control information, and is also used for executing a special control strategy for enabling the vehicle where the vehicle-mounted equipment is located to pass quickly according to the special request information; specifically, the identity information of the vehicle-mounted device includes a license plate number of the vehicle, a model number of the vehicle, a place of production, an insurance condition, an annual inspection condition of the vehicle, a driver identity, time length control information reflecting a signal light desired by a remote operator, and lane restriction direction control information, that is, what the manager desires to control the signal light under no special condition, and the same is true for the lane restriction direction control information, and under no special condition, the manager may desire what the lanes are respectively. The signal lamp control device controls the signal lamp according to the duration control information and the lane limiting direction control information, and the geomagnetic detector, the high-definition camera and the microwave detector are used for collecting intersection vehicle position summary information and sending the intersection vehicle position summary information to the remote traffic supervision system.
Preferably, in order to realize real-time control of the signal lights, the signal lights may include a signal light indicating whether the intersection can pass or not and a signal light indicating a direction in which the intersection can travel.
Preferably, the special control strategy may include: presetting a special channel which can enable the vehicle to quickly pass through the intersection, wherein the special channel is a channel specially designed according to actual conditions, such as a bus special channel or a rescue special channel, the channel is determined based on the actual type of the vehicle, and the type of the vehicle can be directly known in the vehicle-mounted equipment; increasing the green light time in the driving direction of the vehicle, wherein the increasing mode can be set according to the type of the vehicle and can also be determined according to the number of the vehicles; the passage through the intersection in the driving direction of the vehicle is increased, in fact, the way of modifying the type of driving lane of the vehicle.
Preferably, as shown in fig. 3, the in-vehicle apparatus may include: the vehicle central control unit is used for responding to the identity authentication request information and sending the identity information of the vehicle-mounted equipment, and the vehicle central control unit can respond to the identity authentication request information and can send the identity information of the vehicle-mounted equipment; a special case writing unit for writing special request information such as fire rescue, medical rescue, etc. and capable of being rapidly transmitted to the signal lamp control device through a special channel, which may be a dedicated channel in the communication field and is only used for rapidly transmitting the signal lamp control device; and the warning unit is connected with the vehicle central control unit and used for executing corresponding warning in the vehicle based on the warning information, wherein the warning information comprises at least one of the following: the voice information of other vehicles avoiding the special channel is for example "please avoid the vehicle of the special channel on the right side", the voice information of the special channel which is preset to enable the vehicle to pass through is for example "please directly pass through the intersection on the rightmost lane with the congestion being eliminated", the voice information of avoiding entering the congested road section is for example "please avoid entering the congested road section 2km ahead", the voice information of limiting the vehicle entering at the intersection is for example "please avoid entering the road section with the 3 m-height limit ahead".
Preferably, the roadside traffic supervision system further includes: and the roadside sign is connected to the processor and used for displaying the time length control information and the lane limiting direction control information determined by the intersection. The roadside direction board informs a user of which lane the user should go in advance, and at what speed the user should travel.
Preferably, the remote traffic supervision system may further include: and the display is used for generating the intersection topological graph based on the intersection vehicle position summary information and the vehicle state feedback information. The purpose of the intersection topological graph is to enable an operator to know intersection conditions more clearly, corresponding management information is input based on the intersection conditions, and the executed management is more in line with actual requirements.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. An intelligent network real-time command system for road traffic at an urban road intersection is characterized by comprising the following components: remote traffic supervisory systems, roadside traffic supervisory systems and the on-board unit of arranging on the vehicle in, wherein:
the remote traffic supervision system is connected to the roadside traffic supervision system through a wireless network and used for realizing control related information interaction with the roadside traffic supervision system, wherein the control related information comprises at least one of the following information sent by the remote traffic supervision system: reflecting the time length control information and lane limiting direction control information of a signal lamp expected by a remote operator, starting control information and health state monitoring control information aiming at a roadside traffic monitoring system, and identity authentication request information and vehicle state monitoring control information aiming at the vehicle-mounted equipment; the control-related information further includes at least one of the following information received by the remote traffic surveillance system: health state feedback information and intersection vehicle position summary information of the road side traffic supervision system, identity authentication feedback information and vehicle state feedback information of the vehicle-mounted equipment;
the roadside traffic supervision system is connected to the vehicle-mounted equipment within a preset interval range through a V2X vehicle networking technology and is used for realizing control related data interaction with the vehicle-mounted equipment, wherein the control related data comprise forwarded identity authentication request information and vehicle state monitoring control information aiming at the vehicle-mounted equipment, duration control information and lane definition direction control information of an actual signal lamp and alarm information aiming at a vehicle where the vehicle-mounted equipment is located, and the duration control information and the lane definition direction control information of the actual signal lamp are configured to be determined based on the identity information of the vehicle-mounted equipment, the duration control information reflecting signal lamps expected by remote operators and the lane definition direction control information; and
the vehicle-mounted equipment is used for responding to the identity authentication request information, sending identity information of the vehicle-mounted equipment and sending special request information, so that the roadside traffic supervision system can execute a special control strategy for enabling a vehicle where the vehicle-mounted equipment is located to pass through quickly based on the special request information, and can execute corresponding warning in the vehicle based on the warning information.
2. The intelligent network real-time command system for road traffic at urban road intersections according to claim 1, wherein the roadside traffic supervision system comprises: the device comprises a processor using a godson as a core, a signal lamp control device, a geomagnetic detector, a high-definition camera and a microwave detector; wherein the content of the first and second substances,
the processor is used for determining the time length control information and the lane limiting direction control information of the signal lamp control device according to the identity information based on the vehicle-mounted equipment, the time length control information reflecting the signal lamp expected by a remote operator and the lane limiting direction control information, and is also used for executing a special control strategy for enabling the vehicle where the vehicle-mounted equipment is located to pass quickly according to the special request information;
the signal lamp control device controls the signal lamp according to the duration control information and the lane limiting direction control information, and the geomagnetic detector, the high-definition camera and the microwave detector are used for collecting intersection vehicle position summary information and sending the intersection vehicle position summary information to the remote traffic supervision system.
3. The intelligent network real-time command system for road traffic at urban road intersections of claim 2 wherein the signal lights include signal lights indicating whether the intersection can pass or not and signal lights indicating the direction in which the intersection can travel.
4. The intelligent network real-time command system for road traffic at urban road intersections according to claim 2, wherein the special control strategy comprises:
presetting a special channel which can enable the vehicle to rapidly pass through the intersection;
increasing a green light time in the vehicle travel direction;
and increasing the passage of the vehicle passing through the intersection in the driving direction.
5. The intelligent network real-time command system for road traffic at urban road intersections according to claim 2, wherein the vehicle-mounted device comprises:
the vehicle central control unit is used for responding to the identity authentication request information and sending identity information of the vehicle-mounted equipment;
the special case writing unit is used for writing special request information and can quickly transmit the special request information to the signal lamp control device through a special channel; and
the warning unit is connected with the vehicle central control unit and used for executing corresponding warning in the vehicle based on the warning information, wherein the warning information comprises at least one of the following: the voice information of other vehicles in a special channel is avoided, the voice information of the special channel which is passed by the vehicle, the voice information of the road section which is prevented from driving into the jam road section and the voice information of the road section which limits the driving of the vehicle are preset.
6. The intelligent network real-time command system for road traffic at urban road intersections according to claim 2, wherein the roadside traffic supervision system further comprises: and the roadside sign is connected to the processor and used for displaying the time length control information and the lane limiting direction control information determined by the intersection.
7. The intelligent network real-time command system for road traffic at urban road intersections according to claim 1, wherein the remote traffic supervision system further comprises: and the display is used for generating the intersection topological graph based on the intersection vehicle position summary information and the vehicle state feedback information.
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