CN112071117A - Highway traffic safety early warning system and method based on vehicle-road cooperation - Google Patents
Highway traffic safety early warning system and method based on vehicle-road cooperation Download PDFInfo
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- CN112071117A CN112071117A CN201910500813.XA CN201910500813A CN112071117A CN 112071117 A CN112071117 A CN 112071117A CN 201910500813 A CN201910500813 A CN 201910500813A CN 112071117 A CN112071117 A CN 112071117A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/164—Centralised systems, e.g. external to vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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Abstract
The invention relates to a highway traffic safety early warning system and a highway traffic safety early warning method based on vehicle-road cooperation, wherein the system comprises the following components: the road side system is in network connection interaction with the traffic infrastructure, so that information sharing is formed among the traffic infrastructure, vehicles and other traffic participants; the vehicle-mounted system is in butt joint with a vehicle CAN bus, senses the running state of a vehicle, and performs real-time information interaction with the road side system and other vehicle-mounted systems; and the central cloud platform performs real-time information interaction with the road side system and the vehicle-mounted system and forms an information interaction channel, stores and analyzes traffic operation data, performs full-time-space tracking on road side detection information and vehicle uploading information, and provides data reference for road network traffic state analysis and traffic control measure optimization. The invention ensures that vehicles on the highway travel more safely and traffic more smoothly through the vehicle-road cooperation technology.
Description
Technical Field
The invention relates to the field of intelligent traffic, in particular to a highway traffic safety early warning system and method based on vehicle-road cooperation.
Background
At present, the problems of poor view field of the expressway, untimely and inconspicuous information prompt, untimely release of accidents and guidance information release ways and the like still exist, and in order to fundamentally solve the occurrence of traffic accidents, the expressway and the state need to be monitored in a full time-space mode, and the information is accurately sent to vehicles on the ways in real time, but the problems cannot be solved by the existing technology.
Disclosure of Invention
In order to overcome the technical defects, the invention provides a highway traffic safety early warning system and a highway traffic safety early warning method based on vehicle-road cooperation.
The technical scheme of the invention is as follows:
the utility model provides a highway traffic safety early warning system based on car road is in coordination which characterized in that includes: the road side system is in network connection interaction with the traffic infrastructure, so that information sharing is formed among the traffic infrastructure, vehicles and other traffic participants; the vehicle-mounted system is in butt joint with the vehicle CAN bus 21, senses the running state of a vehicle, and performs real-time information interaction with the road side system and other vehicle-mounted systems; and the central cloud platform performs real-time information interaction with the road side system and the vehicle-mounted system and forms an information interaction channel, stores and analyzes traffic operation data, performs full-time-space tracking on road side detection information and vehicle uploading information, and provides data reference for road network traffic state analysis and traffic control measure optimization.
The invention according to the above scheme is characterized in that the roadside system, the vehicle-mounted system and the central cloud platform can issue temporary traffic control instructions through the information interaction channel.
The invention according to the above scheme is characterized in that the roadside system is connected with the traffic infrastructure through a switch, the roadside system and the central cloud platform are communicated with each other through an optical fiber network, the roadside system and the vehicle-mounted system are communicated with each other in an end-to-end short-range communication mode, and the vehicle-mounted system and the central cloud platform are communicated with each other through a cellular wireless network.
The invention according to the above scheme is characterized in that the traffic infrastructure comprises a video detector, a microwave detector, a differential positioning base station and a variable electronic information intelligence board.
The invention according to the above scheme is characterized in that the roadside system monitors passing vehicles in real time through the video detector and the microwave detector, monitors and snapshottes illegal vehicles and various emergency events at a dead spot, and simultaneously sends vehicle information to the variable electronic information board, the vehicle-mounted system and the central cloud platform.
The invention according to the scheme is characterized in that when an illegal vehicle is detected, the roadside system sends vehicle violation information to the variable electronic information board and the vehicle-mounted system to remind the illegal vehicle, and meanwhile, the vehicle violation information can be sent to a traffic police platform through the central cloud platform.
The invention according to the above scheme is characterized in that when there are no illegal vehicles and various emergencies, the roadside system sends vehicle information, public service advertisement or real-time weather, climate, time and location information to the variable electronic information intelligence board.
The invention according to the above aspect is characterized in that the roadside system includes roadside equipment, a transportation facility HUB module, and a roadside antenna.
The invention according to the above aspect is characterized in that the in-vehicle system includes an in-vehicle terminal, a driving-assistance HMI terminal, and an in-vehicle combination antenna.
A highway traffic safety early warning method based on vehicle-road cooperation is characterized by comprising the following steps: the road side system and the traffic infrastructure are subjected to network connection interaction, so that information sharing is formed among the traffic infrastructures, vehicles and other traffic participants; the vehicle-mounted system is in butt joint with a vehicle CAN bus 21 to sense the running state of a vehicle, and the vehicle-mounted system performs real-time information interaction with the road side system and other vehicle-mounted systems; and performing real-time information interaction with the road side system and the vehicle-mounted system through a central cloud platform, forming an information interaction channel, storing and analyzing traffic operation data by the central cloud platform, performing full-time-space tracking on road side detection information and vehicle uploading information, and providing data reference for road network traffic state analysis and traffic control measure optimization.
The invention can carry out all-round detection on vehicles and various emergency situations on the highway by a vehicle-road cooperation technology, and accurately sends the information to vehicles on the highway in real time, so that the travel on the highway is safer and smoother.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a flowchart of the method steps according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in fig. 1, a highway traffic safety early warning system based on vehicle-road cooperation includes: the roadside system 10 is in network connection interaction with the traffic infrastructure 11, so that information sharing is formed among the traffic infrastructures 11, the traffic infrastructure 11, vehicles and other traffic participants, and a series of intelligent applications based on roadside detection information are supported through information interaction with the vehicle-mounted system 20, the handheld terminal and the like; the vehicle-mounted system 20 is in butt joint with the vehicle CAN bus 21, senses the running state of the vehicle, performs real-time information interaction with the road side system 10 and other vehicle-mounted systems 20, provides multi-source information support for holographic information sensing of the vehicle, and further provides a data calculation basis for vehicle-mounted application for improving vehicle safety, traffic efficiency and information service level; and the central cloud platform 30 performs real-time information interaction with the road side system 10 and the vehicle-mounted system 20 to form an information interaction channel, the central cloud platform 30 stores and analyzes traffic operation data, performs full-time-space tracking on road side detection information and vehicle uploading information, and provides data reference for road network traffic state analysis and traffic control measure optimization. Preferably, the roadside system 10 includes roadside equipment, a traffic facility HUB module and a roadside antenna, the on-board system 20 includes an on-board terminal, a driving assistance HMI terminal and an on-board combined antenna, and the traffic infrastructure 11 includes a video detector, a microwave detector, a differential positioning base station and a variable electronic information intelligence board. The variable electronic information board is an outdoor roadside large-scale LED display screen so as to be seen by vehicles running at high speed.
According to the scheme, the holographic information perception comprises a multi-target microwave perception module, a video perception module and a safety early warning module
According to the scheme, the differential positioning base station has the capability of information interaction with the road side equipment, and can be matched with the road side equipment to realize the road side vehicle and road cooperative differential positioning function
According to the scheme of the invention, the roadside system 10, the vehicle-mounted system 20 and the central cloud platform 30 can issue temporary traffic control instructions through the information interaction channel.
According to the scheme of the invention, the roadside system 10 is connected with the traffic infrastructure 11 through the switch, the roadside system 10 is communicated with the central cloud platform 30 through the optical fiber network, the roadside system 10 is communicated with the vehicle-mounted system 20 through an end-to-end short-range communication mode, and the vehicle-mounted system 20 is communicated with the central cloud platform 30 through the cellular wireless network.
According to the present invention of the above scheme, the roadside system 10 monitors the passing vehicles in real time through the video detector and the microwave detector, and monitors and snapshottes illegal vehicles and various emergency events at a plurality of points, and simultaneously transmits vehicle information to the variable electronic information intelligence board, the vehicle-mounted system 20 and the central cloud platform 30.
According to the scheme, when illegal vehicles are detected, the roadside system 10 sends vehicle violation information to the variable electronic information board and the vehicle-mounted system 20 to remind the illegal vehicles, and meanwhile, the vehicle violation information can be sent to the traffic police platform through the central cloud platform 30.
According to the present invention of the above-mentioned scheme, when there is no illegal vehicle and various emergencies, the roadside system 10 transmits vehicle information, public service advertisement or real-time weather, climate, time, and location information to the variable electronic information intelligence board.
As shown in fig. 2, a highway traffic safety early warning method based on vehicle-road cooperation includes the steps:
step S1: through the network interaction between the road side system 10 and the traffic infrastructure 11, information sharing is formed between the traffic infrastructures 11, and between the traffic infrastructure 11 and vehicles and other traffic participants.
Step S2: the vehicle-mounted system 20 is in butt joint with the vehicle CAN bus 21 to sense the running state of the vehicle, and the vehicle-mounted system 20 performs real-time information interaction with the road side system 10 and other vehicle-mounted systems 20.
Step S3: the central cloud platform 30 performs real-time information interaction with the roadside system 10 and the vehicle-mounted system 20 to form an information interaction channel, the central cloud platform 30 stores and analyzes traffic operation data, performs full-time-space tracking on roadside detection information and vehicle uploading information, and provides data reference for road network traffic state analysis and traffic control measure optimization.
The specific implementation mode of the invention is as follows:
two outdoor large-scale LED display screens are deployed every 50 kilometers on a highway, meanwhile, microwave detectors, video detectors and roadside equipment are deployed and used for carrying out real-time monitoring, information distribution and the like on vehicles on the road sections, 4 microwave detectors, 4 video detectors and 2 roadside equipment are deployed on each road section. By means of the method, local early warning can be performed, and an information perception foundation and a communication link can be provided for the central cloud platform 30 to dynamically monitor the traffic state in full time and space by means of optical fiber communication. In contrast, when the system is deployed on the road section, the closed-loop information perception and interaction of the near-end road section can be realized, and meanwhile, the on-line monitoring of the far-end and the central platform on the road section is realized.
The road side system 10 is deployed at the upper stream of a road section, the road side system 10 is connected with a deployed traditional traffic infrastructure 11, such as a microwave detector, a video detector and other sensing devices and used for receiving detection information of the sensing devices, the devices jointly build an information sensing link of a road section and a road and vehicle cooperation system, real-time monitoring is carried out on passing vehicles on the road section, important monitoring and snapshot are carried out on low-speed vehicles passing through overspeed vehicles and express lanes on the road section, and meanwhile, real-time detection is carried out on possible situations of emergency lane occupation, abnormal parking, article spilling, emergency accidents, accumulated water and accumulated snow, emergency fires and the like. On the aspect of information interaction and release, the roadside system 10 is connected with an outdoor large-scale LED display screen, and information of overspeed vehicles and low-speed vehicles driving from upstream are released to the outdoor large-scale LED display screen so as to warn a driver to drive according to traffic rules; meanwhile, the roadside system 10 performs information interaction with the central cloud platform 30 in real time to realize platform uploading of road section information, and the central cloud platform 30 is further communicated with the traffic police platform and can provide overspeed vehicle information, perception information, management and control information and guidance information for the traffic police platform in time. The mode can reduce the accident rate of the expressway and improve the traffic rate. Through tests, if one set of equipment is assembled every 50 kilometers, the traffic rate can be improved by 20%, if one set of equipment is assembled every 30 kilometers, the traffic rate can be improved by 30%, and through improving the installation coverage rate, the traffic rate can be improved in a nonlinear mode until saturation.
The main working principle and functions of the invention are as follows:
the invention constructs an information sensing link of a road section vehicle-road cooperative system through equipment such as a microwave detector, a video detector and the like, monitors vehicles passing through the road section in real time, monitors and captures overspeed vehicles passing through the road section in a key manner, and the road test system analyzes and processes vehicle data of the type and transmits the data information to an outdoor large-scale LED display screen to warn a driver of the overspeed vehicle and remind the driver of slowing down and driving safely.
According to the invention, the information sensing link of the road section and vehicle road cooperative system is built through equipment such as a microwave detector and a video detector, passing vehicles in the road section are monitored in real time, vehicles running slowly in fast lanes are mainly monitored and snapshot, the road test system analyzes and processes data of the vehicles, data information is transmitted to an outdoor large-scale LED display screen and a central cloud platform 30, and a warning is given to a vehicle driver to remind the driver of driving correctly and obey traffic rules.
According to the invention, the information sensing link of the road section vehicle-road cooperative system is built through equipment such as a microwave detector and a video detector, the emergency lane is monitored in real time, when a vehicle illegally occupies the emergency lane, the video detector transmits the monitored information to the road test system, the road test system analyzes and processes the vehicle data, and transmits the data information to the outdoor large-scale LED display screen and the central cloud platform 30, so that the vehicle driver is warned, the driver is reminded not to illegally occupy the emergency lane, and the traffic laws and regulations are complied with.
According to the invention, the information perception link of the road section and vehicle-road cooperative system is built through equipment such as a microwave detector and a video detector, when two or more vehicles follow through a detection area, if the distance between the vehicles and the detection area is within 50 meters, the detected information is transmitted to the road test system, the road test system analyzes and processes the vehicle data, the data information is transmitted to the outdoor large-scale LED display screen and the central cloud platform 30, and a warning is given to a driver of a rear vehicle to remind the driver of cautiously driving and keeping the distance between the vehicles.
The road side system 10 records road section traffic identification signs and position information thereof, dynamically and real-timely releases road section information to surrounding motor vehicles in modes of an outdoor large-scale LED display screen, a vehicle-mounted terminal, a handheld terminal APP and the like of the road side system 10, dynamically prompts that an accident frequently-occurring area is in front of the vehicle when the vehicle approaches the road section, prompts a driver to merge the road in time when the road section has a lane reduction condition, and simultaneously prompts the driver to drive according to a specified law-limiting rule, so that the occurrence of driving behaviors damaging traffic safety is reduced, and the driving safety is improved.
The roadside system 10 of the invention is connected with a video detector and a microwave detector, analyzes and identifies video image information, microwave data, smoke alarm trigger information and the like uploaded by the video detector and the microwave detector in real time, accurately positions the position of a traffic event and a lane when abnormal states such as traffic accidents or fire disasters occur on a road section (such as collision accidents, abnormal parking, fire disasters and the like), generates guidance decision information, guides motor vehicles at the upstream of the road section to avoid an event occurrence area or lane trip in advance, generates the abnormal road state information and the guidance decision information in the roadside system 10 and synchronously transmits the abnormal road state information and the guidance decision information to a central cloud platform 30, and simultaneously can issue information through an outdoor large-scale LED display screen, a vehicle-mounted terminal, a handheld terminal APP and the like of the roadside system 10 and early warn traffic participants of the road section, the risk of secondary accidents on the road section is reduced, and the purpose of improving the running safety of the motor vehicle is achieved.
When the road section is in the construction maintenance state, the road side system 10 directly records the position of the construction area and plans the optional path, when the road section arrives, the road side system 10 sends the construction area position information and the path induction information to the vehicle on the upstream of the road section, and the vehicle close to the construction area is reminded to decelerate and change the lane in advance, so that the traffic efficiency is improved. Construction area early warning information distribution can be achieved through channels such as an outdoor large-scale LED display screen, a vehicle-mounted terminal and a handheld terminal APP of the Enna road side system 10.
When the road section area is in a wet and slippery state due to rain, snow and other weather, the method realizes positioning perception of the wet and slippery or ponding road section based on modes of manual inspection input, automatic identification of a video detector and a microwave detector and reporting of a vehicle-mounted terminal or a handheld terminal APP, and further issues road wet and slippery or ponding early warning information to surrounding motor vehicles in real time through modes of an outdoor large-scale LED display screen of the road side system 10, the vehicle-mounted terminal, the handheld terminal APP and the like, so that a driver is reminded of driving cautiously, and the risk of traffic accidents is reduced.
When two passengers and one dangerous large-scale vehicle or heavy-duty vehicle or emergency rescue vehicle exists near the road section, the invention positions and tracks the running state of the two passengers and one dangerous vehicle or emergency rescue vehicle based on the modes of automatic identification of the video detector and the microwave detector and reporting of the vehicle-mounted terminal or the handheld terminal APP, and further issues the early warning of the dangerous goods transport vehicle or emergency rescue vehicle to the surrounding motor vehicles in real time in the modes of the outdoor large-scale LED display screen, the intelligent vehicle-mounted terminal, the handheld terminal APP and the like of the road side system 10 to remind the driver of cautious driving or timely avoiding, thereby improving the driving safety and the road rescue response speed.
When the temporary traffic control is carried out in real time, the temporary traffic control information is directly and interactively issued to the road side through the central cloud platform 30 and the road side system 10; in addition, the roadside system 10 can also acquire traffic control notifications through modes of manual inspection, vehicle-mounted terminal reporting, handheld terminal reporting and the like, and send traffic control prompts to upstream motor vehicles in a control area through modes of an outdoor large-scale LED display screen, a vehicle-mounted terminal, a handheld terminal APP and the like of the roadside system 10; for the vehicle with the vehicle-mounted terminal, the vehicle can also realize the release of the traffic control prompt information through the direct communication between the central cloud platform 30 and the vehicle-mounted terminal, so that the driver can plan the travel path again in advance and avoid a temporary control area.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. The utility model provides a highway traffic safety early warning system based on car road is in coordination which characterized in that includes:
the road side system is in network connection interaction with the traffic infrastructure, so that information sharing is formed among the traffic infrastructure, vehicles and other traffic participants;
the vehicle-mounted system is in butt joint with a vehicle CAN bus, senses the running state of a vehicle, and performs real-time information interaction with the road side system and other vehicle-mounted systems; and
the central cloud platform performs real-time information interaction with the road side system and the vehicle-mounted system, forms an information interaction channel, stores and analyzes traffic operation data, performs full-time-space tracking on road side detection information and vehicle uploading information, and provides data reference for road network traffic state analysis and traffic control measure optimization.
2. The highway traffic safety early warning system based on vehicle-road cooperation according to claim 1, wherein the roadside system, the vehicle-mounted system and the central cloud platform can issue temporary traffic control instructions through the information interaction channel.
3. The highway traffic safety pre-warning system based on vehicle-road cooperation according to claim 1, wherein the roadside system is connected with the traffic infrastructure through a switch, the roadside system is communicated with the central cloud platform through an optical fiber network, the roadside system is communicated with the vehicle-mounted system in an end-to-end short-range communication mode, and the vehicle-mounted system is communicated with the central cloud platform through a cellular wireless network.
4. The highway traffic safety warning system based on vehicle-road cooperation according to claim 3, wherein the traffic infrastructure comprises a video detector, a microwave detector, a differential positioning base station and a variable electronic information intelligence board.
5. The highway traffic safety early warning system based on vehicle-road cooperation according to claim 4, wherein the roadside system monitors passing vehicles in real time through the video detector and the microwave detector, monitors and captures illegal vehicles and various emergencies at a dead spot, and sends vehicle information to the variable electronic information intelligence board, the vehicle-mounted system and the central cloud platform.
6. The highway traffic safety pre-warning system based on vehicle-road cooperation according to claim 5, wherein when an illegal vehicle is detected, the roadside system sends vehicle violation information to the variable electronic information intelligence board and the vehicle-mounted system to remind the illegal vehicle, and simultaneously can send the vehicle violation information to a traffic police platform through the central cloud platform.
7. The highway traffic safety warning system based on vehicle-road cooperation according to claim 5, wherein when there are no illegal vehicles and various emergencies, the roadside system transmits vehicle information, public service advertisements or real-time weather, time and place information to the variable electronic information intelligence board.
8. The vehicle-road coordination based highway traffic safety pre-warning system according to claim 1, wherein said road side system comprises a road side device, a traffic facility HUB module and a road side antenna.
9. The highway traffic safety warning system based on vehicle-road cooperation according to claim 1, wherein the vehicle-mounted system comprises a vehicle-mounted terminal, a driving assistance HMI terminal and a vehicle-mounted combined antenna.
10. A highway traffic safety early warning method based on vehicle-road cooperation is characterized by comprising the following steps:
the road side system and the traffic infrastructure are subjected to network connection interaction, so that information sharing is formed among the traffic infrastructures, vehicles and other traffic participants;
the vehicle-mounted system is in butt joint with a vehicle CAN bus to sense the running state of a vehicle, and the vehicle-mounted system performs real-time information interaction with the road side system and other vehicle-mounted systems; and
the system comprises a road side system, a vehicle-mounted system, a central cloud platform, a road side detection information acquisition module, a road network traffic state analysis module, a road side monitoring module, a road network traffic state monitoring module and a road network traffic state monitoring module.
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