CN112581752A - Active intervention control method and system for regional road network traffic coordination - Google Patents
Active intervention control method and system for regional road network traffic coordination Download PDFInfo
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- CN112581752A CN112581752A CN201911391652.1A CN201911391652A CN112581752A CN 112581752 A CN112581752 A CN 112581752A CN 201911391652 A CN201911391652 A CN 201911391652A CN 112581752 A CN112581752 A CN 112581752A
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
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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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Abstract
The invention discloses a control active intervention method and a control active intervention system for regional road network traffic coordination, wherein the method comprises the following steps: acquiring road video data of each regional road network in real time, and determining the current traffic state of the regional road network according to the road video data; predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network; and carrying out traffic coordination control according to the future traffic state of the specified regional road network. The invention can accurately judge the traffic state of each regional network and dynamically determine the traffic management scheme according to any specified regional network.
Description
Technical Field
The invention belongs to the technical field of modern traffic intelligent management, and particularly relates to a control active intervention method and a control active intervention system for regional road network traffic coordination.
Background
In recent years, with the rapid increase of urban population and motor vehicle reserves, the urban traffic problem is further aggravated, the traffic right can be scientifically distributed by adopting an intelligent traffic signal control system, and the traffic order is improved, so that the traffic capacity and traffic efficiency of road intersections are improved, traffic delay and resource waste are reduced, and traffic jam is effectively relieved while the bearing capacity of areas and urban road networks is improved.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide an active intervention method and system for controlling regional road network traffic coordination.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a control active intervention method for regional road network traffic coordination, which comprises the following steps:
acquiring road video data of each regional road network in real time, and determining the current traffic state of the regional road network according to the road video data;
predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network;
and carrying out traffic coordination control according to the future traffic state of the specified regional road network.
In the above scheme, the acquiring road video data of each regional road network in real time specifically includes: dividing each regional road network into a plurality of sub-regional road networks, collecting road video data in real time for each sub-regional road network, determining the current traffic state of each sub-regional road network according to the road video data of each sub-regional road network, and then determining the current traffic state of each regional road network according to the weight value determined by the position of the regional road network in which each sub-regional road network is located and the road video data.
In the foregoing solution, the predicting a future traffic state of a specified regional road network according to a current traffic state of a regional road network adjacent to any specified regional road network specifically includes: determining an adjacent regional road network according to the driving direction of any one designated regional road, and determining the future traffic state of the designated regional road by combining the current traffic state of the designated regional road and the current traffic state of the adjacent regional road network.
In the above-mentioned solution, the traffic coordination control is performed according to the future traffic state of the specified regional road network, specifically, when the future traffic state of the specified regional road network is less than the congestion threshold, the traffic signal control between the specified regional road network and the regional road network adjacent to the specified regional road network is kept in the current state, and when the future traffic state of the specified regional road network is greater than or equal to the congestion threshold, the traffic signal between the specified regional road network and the regional road network adjacent to the specified regional road network is adjusted so that the vehicle turns to another regional road network.
In the foregoing solution, when the future traffic state of the specified regional road network is greater than or equal to the congestion threshold, the adjusting the traffic signal between the specified regional road network and the regional road network adjacent to the specified regional road network to steer the vehicle to another regional road network specifically includes: and selecting an area road network with the current traffic state lower than the congestion threshold value from the area road networks adjacent to the specified area road network, adjusting traffic signals between the area road network adjacent to the specified area road network and the specified area road network, and guiding the vehicle of one adjacent area road network to the area road network with the nearest current traffic state lower than the congestion threshold value.
The embodiment of the invention also provides a regional road network traffic coordination control active intervention system, which comprises a regional road network video acquisition terminal, a regional road network data analysis server and a central server:
the regional road network video acquisition terminal is used for acquiring road video data of each regional road network in real time,
the regional road network data analysis server is used for determining the current traffic state of the regional road network according to the road video data;
the central server is used for predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network; and carrying out traffic coordination control according to the future traffic state of the specified regional road network.
In the above scheme, the regional road network video acquisition terminal specifically comprises a sub-regional road network video acquisition terminal for dividing each regional road network into a plurality of sub-regional road networks, each regional road network video acquisition terminal is used for acquiring road video data in real time for each sub-regional road network,
the regional road network data analysis server is specifically used for determining the current traffic state of each sub-regional road network according to the road video data of the sub-regional road network; and determining the current traffic state of the regional road network according to the weight value determined by the position of the regional road network in which each sub-regional road network is located and the road video data.
In the foregoing solution, the regional road network data analysis server is specifically configured to determine a regional road network adjacent to any one designated regional road according to a driving direction of the designated regional road, and determine a future traffic state of the designated regional road by combining a current traffic state of the designated regional road and a current traffic state of the regional road network adjacent to the designated regional road.
In the foregoing aspect, the central server is specifically configured to control and maintain a current state of traffic signals between the designated regional network and the regional network adjacent to the designated regional network when the future traffic state of the designated regional network is less than a congestion threshold, and adjust the traffic signals between the designated regional network and the regional network adjacent to the designated regional network so that the vehicle turns to another regional network when the future traffic state of the designated regional network is greater than or equal to the congestion threshold.
In the foregoing aspect, the central server is specifically configured to select an area road network having a current traffic state lower than a congestion threshold value from among area road networks adjacent to the specified area road network, adjust traffic signals between the area road network adjacent to the specified area road network and the specified area road network, and guide vehicles of one adjacent area road network to an area road network having a current traffic state lower than the congestion threshold value and closest to the vehicle.
Compared with the prior art, the method can accurately judge the traffic state of each regional network and dynamically determine the traffic management scheme according to any specified regional network.
Drawings
Fig. 1 is a flowchart of a method for controlling active intervention in regional road network traffic coordination according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a control active intervention method for regional road network traffic coordination, which comprises the following steps of:
step 101: acquiring road video data of each regional road network in real time, and determining the current traffic state of the regional road network according to the road video data;
specifically, each regional road network is divided into a plurality of sub-regional road networks, road video data are collected in real time for each sub-regional road network, the current traffic state of each sub-regional road network is determined according to the road video data of each sub-regional road network, and then the current traffic state of each regional road network is determined according to the weight value determined by the position of the regional road network where each sub-regional road network is located and the road video data.
Step 102: predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network;
specifically, the regional road network adjacent to any one specified regional road is determined according to the driving direction of the regional road, and the future traffic state of the specified regional road is determined by combining the current traffic state of the specified regional road and the current traffic state of the regional road network adjacent to the specified regional road.
Step 103: and carrying out traffic coordination control according to the future traffic state of the specified regional road network.
Specifically, when the future traffic state of the specified regional road network is smaller than the congestion threshold, the traffic signal between the specified regional road network and the regional road network adjacent to the specified regional road network is controlled to keep the current state, and when the future traffic state of the specified regional road network is larger than or equal to the congestion threshold, the traffic signal between the specified regional road network and the regional road network adjacent to the specified regional road network is adjusted to enable the vehicle to turn to other regional road networks.
And selecting an area road network with the current traffic state lower than the congestion threshold value from the area road networks adjacent to the specified area road network, adjusting traffic signals between the area road network adjacent to the specified area road network and the specified area road network, and guiding the vehicle of one adjacent area road network to the area road network with the nearest current traffic state lower than the congestion threshold value.
The embodiment of the invention also provides a regional road network traffic coordination control active intervention system, which comprises a regional road network video acquisition terminal, a regional road network data analysis server and a central server:
the regional road network video acquisition terminal is used for acquiring road video data of each regional road network in real time,
the regional road network data analysis server is used for determining the current traffic state of the regional road network according to the road video data;
the central server is used for predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network; and carrying out traffic coordination control according to the future traffic state of the specified regional road network.
The regional road network video acquisition terminal specifically comprises a sub-regional road network video acquisition terminal for dividing each regional road network into a plurality of sub-regional road networks, each regional road network video acquisition terminal is used for acquiring road video data aiming at each sub-regional road network in real time,
the regional road network data analysis server is specifically used for determining the current traffic state of each sub-regional road network according to the road video data of the sub-regional road network; and determining the current traffic state of the regional road network according to the weight value determined by the position of the regional road network in which each sub-regional road network is located and the road video data.
The regional road network data analysis server is specifically used for determining a regional road network adjacent to any one designated regional road according to the driving direction of the regional road, and determining the future traffic state of the designated regional road by combining the current traffic state of the designated regional road and the current traffic state of the regional road network adjacent to the designated regional road.
The central server is specifically configured to control and maintain a current state of traffic signals between the designated regional network and the regional network adjacent to the designated regional network when the future traffic state of the designated regional network is less than the congestion threshold, and adjust the traffic signals between the designated regional network and the regional network adjacent to the designated regional network so that the vehicle turns to another regional network when the future traffic state of the designated regional network is greater than or equal to the congestion threshold.
The central server is specifically configured to select an area road network with a current traffic state lower than a congestion threshold value from area road networks adjacent to the specified area road network, adjust traffic signals between the area road network adjacent to the specified area road network and the specified area road network, and guide vehicles of one adjacent area road network to the area road network with the closest current traffic state lower than the congestion threshold value.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A control active intervention method for regional road network traffic coordination is characterized by comprising the following steps:
acquiring road video data of each regional road network in real time, and determining the current traffic state of the regional road network according to the road video data;
predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network;
and carrying out traffic coordination control according to the future traffic state of the specified regional road network.
2. The method for controlling active intervention in regional road network traffic coordination according to claim 1, wherein the real-time collection of road video data of each regional road network specifically comprises: dividing each regional road network into a plurality of sub-regional road networks, collecting road video data in real time for each sub-regional road network, determining the current traffic state of each sub-regional road network according to the road video data of each sub-regional road network, and then determining the current traffic state of each regional road network according to the weight value determined by the position of the regional road network in which each sub-regional road network is located and the road video data.
3. The method according to claim 1 or 2, wherein the predicting of the future traffic state of a specified regional network based on the current traffic state of any one of the regional networks neighboring to the specified regional network comprises: determining an adjacent regional road network according to the driving direction of any one designated regional road, and determining the future traffic state of the designated regional road by combining the current traffic state of the designated regional road and the current traffic state of the adjacent regional road network.
4. The method according to claim 3, wherein the traffic coordination control is performed according to the future traffic state of the specified regional road network, and specifically, when the future traffic state of the specified regional road network is less than the congestion threshold, the traffic signal control between the specified regional road network and the regional road network adjacent to the specified regional road network is kept in the current state, and when the future traffic state of the specified regional road network is greater than or equal to the congestion threshold, the traffic signal control between the specified regional road network and the regional road network adjacent to the specified regional road network is adjusted to steer the vehicle to another regional road network.
5. The method according to claim 4, wherein when the future traffic status of the specified regional road network is greater than or equal to the congestion threshold, the traffic signals between the specified regional road network and the regional road network adjacent to the specified regional road network are adjusted to steer the vehicle to other regional road networks, specifically: and selecting an area road network with the current traffic state lower than the congestion threshold value from the area road networks adjacent to the specified area road network, adjusting traffic signals between the area road network adjacent to the specified area road network and the specified area road network, and guiding the vehicle of one adjacent area road network to the area road network with the nearest current traffic state lower than the congestion threshold value.
6. A regional road network traffic coordination control active intervention system is characterized by comprising a regional road network video acquisition terminal, a regional road network data analysis server and a central server:
the regional road network video acquisition terminal is used for acquiring road video data of each regional road network in real time,
the regional road network data analysis server is used for determining the current traffic state of the regional road network according to the road video data;
the central server is used for predicting the future traffic state of the specified regional road network according to the current traffic state of the regional road network adjacent to any specified regional road network; and carrying out traffic coordination control according to the future traffic state of the specified regional road network.
7. The system according to claim 6, wherein said local area network video capture terminals comprise sub-area network video capture terminals for dividing each local area network into a plurality of sub-area networks, each local area network video capture terminal is used for capturing road video data for each sub-area network in real time,
the regional road network data analysis server is specifically used for determining the current traffic state of each sub-regional road network according to the road video data of the sub-regional road network; and determining the current traffic state of the regional road network according to the weight value determined by the position of the regional road network in which each sub-regional road network is located and the road video data.
8. The system according to claim 6 or 7, wherein the regional network data analysis server is configured to determine a regional network adjacent to any one designated regional road according to the driving direction of the designated regional road, and determine the future traffic state of the designated regional road by combining the current traffic state of the designated regional road and the current traffic state of the regional network adjacent to the designated regional road.
9. The system according to claim 8, wherein the central server is specifically configured to maintain the current state of the traffic signal control between the designated regional network and the regional network adjacent to the designated regional network when the future traffic state of the designated regional network is less than the congestion threshold, and adjust the traffic signal between the designated regional network and the regional network adjacent to the designated regional network when the future traffic state of the designated regional network is greater than or equal to the congestion threshold, so that the vehicle turns to another regional network.
10. The system according to claim 9, wherein the central server is specifically configured to select an area network with a current traffic status lower than the congestion threshold from among area networks adjacent to the specified area network, adjust traffic signals between the area network adjacent to the specified area network and the specified area network, and guide vehicles of a certain adjacent area network to an area network with a current traffic status lower than the congestion threshold closest to the vehicles.
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Application publication date: 20210330 |