CN108242159A - A kind of urban traffic area coordinated control system based on edge calculations node - Google Patents
A kind of urban traffic area coordinated control system based on edge calculations node Download PDFInfo
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- CN108242159A CN108242159A CN201810195186.9A CN201810195186A CN108242159A CN 108242159 A CN108242159 A CN 108242159A CN 201810195186 A CN201810195186 A CN 201810195186A CN 108242159 A CN108242159 A CN 108242159A
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Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/302—Route determination based on requested QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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Abstract
A kind of urban traffic area coordinated control system based on edge calculations node, including control centre and multiple edge calculations nodes, the terminal device and car kits of several IPization；Control centre is connected by broadband network with edge calculations node and section terminating equipment, and edge calculations node is connected by broadband network or wireless network with terminal device and car kits；Control centre automatically generates according to data information or the manual setting of operating personnel determines that the edge calculations node in region is level-one calculate node or two level calculate node；Edge calculations node obtains related interrupts equipment or the data of associated computing nodes according to itself rank, generates control program and performs.Each fringe node of the invention can become the priority node in a region in multiple fringe nodes according to actual conditions, the scheme that the node of low priority issues priority node according to the degree of association carries out the modification of certain permission, so both can be flexible, computing capability can also be saved.
Description
Technical field
The present invention relates to urban traffic signal area coordination control model field, it is particularly a kind of based on edge calculations node
Urban traffic area coordinated control system.
Background technology
With the development of economic society and traffic signalization technology, area coordination control model must as traffic signalization
So.And with the progress of terminal device, the data volume of intersection information is increasing, and the data transmission capabilities of current network can not expire
The requirement of sufficient traffic signalization real-time, therefore the control of the coordination based on center calculation faces bottleneck.Simultaneously, with hardware
The development of technology, the computing capability of traffic signal controlling machine is stronger and stronger, and is not fully used, and there are the wastings of resources
Problem.
Invention content
The technical problems to be solved by the invention are in view of the deficiencies of the prior art, to provide a kind of based on edge calculations node
Urban traffic area coordinated control system, the system can make full use of traffic signal controlling machine computing capability and solution
Certainly the problem of network data transmission scarce capacity.
The technical problems to be solved by the invention are realized by following technical solution.The present invention is that one kind is based on
The urban traffic area coordinated control system of edge calculations node, its main feature is that：The coordinated control system includes at least a control
Center processed, multiple edge calculations nodes, the terminal device and car kits of several IPization；Control centre is same by broadband network
Edge calculations node and section terminating equipment connection, edge calculations node by broadband network or wireless network with terminal device and
Car kits connect；Control centre automatically generates according to data information or the manual setting of operating personnel determines edge in region
Calculate node is level-one calculate node or two level calculate node；Edge calculations node obtains related interrupts equipment according to itself rank
Or the data of associated computing nodes, it generates control program and performs.
Coordinated control system of the present invention, further preferred technical solution are：Control centre, which removes, passes through broadband
Network is at least also connect outside being connect with edge calculations node with video monitoring equipment by broadband network；Control centre is according to regarding
The data information of frequency monitoring device sets an edge calculations node as level-one edge calculations node, remaining node in region
For two level edge calculations node；Or manually node level is configured, and the priority manually set is higher than according to video
The automatic setting of monitoring device.
Coordinated control system of the present invention, further preferred technical solution are：The grade of edge calculations node
Manually changed by system or according to crossing situation and set.
Coordinated control system of the present invention, further preferred technical solution are：Control centre is according to video counts
It is believed that breath, centered on level-one edge calculations node, determines each two level edge calculations node and level-one edge calculations section in region
Strength of association coefficient between point；Control centre sets strength of association coefficient threshold by automatic or manual.
Coordinated control system of the present invention, further preferred technical solution are：Edge calculations node passes through width
Band network or wireless network are connected with terminal device, are connected by wireless network with car kits；Two level edge calculations node obtains
The terminal device data at crossing where taking the node, level-one edge calculations node is except the data for obtaining its place junction terminal equipment
Outside, at the same obtain other nodes terminal device data or node calculate data；Edge calculations node is generated according to data information
Control program, and issue execution.
Coordinated control system of the present invention, further preferred technical solution are：Level-one edge calculations node root
It determines to obtain the terminal device data information of two-level node or the calculating number of node according to the strength of association coefficient and threshold value of each node
According to；When the strength of association coefficient of two-level node is more than threshold value, the terminal device data letter at crossing where first nodes obtain it
Breath, when the strength of association coefficient of two-level node is less than threshold value, first nodes only obtain the result of calculation information of the node.
Coordinated control system of the present invention, further preferred technical solution are：Level-one edge calculations node root
Coordinated Control Scheme is generated according to the information of acquisition；The program includes the control of other nodes in the control program and region of own node
Scheme processed；Itself scheme directly performs, and after other node control schemes issue, two-level node is according to data information to scheme
It is performed after adjustment；Two-level node is adjusted scheme according to data information after the scheme that first nodes issue is obtained,
Its permission size adjusted determines that coefficient is bigger by the strength of association coefficient between the node and first nodes, and adjustment permission is got over
It is small.
Coordinated control system of the present invention, further preferred technical solution are：Car kits are the same as nearest away from it
Edge calculations node by wireless network connection, while vehicle destination, speed information is exported, obtain institute close to crossing
Signal lamp lamp state information.
Coordinated control system of the present invention, further preferred technical solution are：The edge calculations node is
Traffic signal controlling machine；Traffic signal controlling machine includes processing unit, storage unit, input/output interface unit and channel radio
Believe unit.It is connected between traffic signal controlling machine by broadband network in region.
Coordinated control system of the present invention, further preferred technical solution are：The terminal device of the IPization
Including information input equipment and information output device；Information input equipment includes video monitoring equipment, flow monitoring equipment, speed
Calculate equipment；Information output device includes signal output apparatus, information distributing apparatus；It is both that information is defeated that bus or train route, which coordinates mobile unit,
It is information output device again to enter equipment.
Compared with prior art, advantages of the present invention is as follows：
1st, edge calculations node assumes responsibility for the function of area coordination control model, takes full advantage of the calculating energy of traffic signal controlling machine
Power reduces the calculating pressure of control centre, also mitigates the data transmission pressure of broadband network, ensure that the reality of signal control
Shi Xing.
2nd, the adjust automatically of edge calculations node priority also represents the adjustment of traffic intersection signal control priority,
Crucial transport node can be effectively ensured or have effective, the quick adjusting of the crossing traffic of emergency situations.
3rd, the setting of strength of association coefficient can coordinate control according to actual traffic situation in region in flexible setting area
Emphasis.Strength of association coefficient is generally higher, and first nodes calculation amount is larger, and strength of association coefficient is generally relatively low, first nodes
Calculation amount is smaller, incidence coefficient intensity can be flexibly set, according to traffic flow situation and the computing capability of first nodes to ensure side
The computing capability of edge calculate node is fully used in allowed band.
4th, edge calculations node can more accurately obtain the true number of road traffic flow with the communication between mobile unit
According to adjust signal timing plan to best, also providing best traffic route for motor vehicle, improved by two-way interaction whole
A road traffic traffic efficiency.
Present system can be assumed responsibility in the case where network capacity is limited using the computing capability of fringe node
The originally work of control centre；Each fringe node can become multiple fringe nodes in a region according to actual conditions
In priority node, go to lead the work of other nodes, and this process is dynamic.The node of low priority is according to pass
Connection degree carries out the modification of certain permission come the scheme that is issued to priority node, so both can be flexible, can also save meter
Calculation ability.
Description of the drawings
Fig. 1 is the control principle block diagram of present system.
Specific embodiment
The specific technical solution of the present invention described further below, in order to which those skilled in the art is further understood that
The present invention, without forming the limitation to its right.
Embodiment 1, with reference to Fig. 1, a kind of urban traffic area coordinated control system based on edge calculations node：The coordination
Control system includes at least a control centre, multiple edge calculations nodes, the terminal device and car kits of several IPization；
Control centre is connected by broadband network with edge calculations node and section terminating equipment, and edge calculations node passes through broadband network
Or wireless network is connected with terminal device and car kits；Control centre is automatically generated according to data information or the hand of operating personnel
Dynamic setting determines that the edge calculations node in region is level-one calculate node or two level calculate node；Edge calculations node is according to certainly
Body rank obtains related interrupts equipment or the data of associated computing nodes, generates control program and performs.
Control centre at least also passes through width in addition to being connect by broadband network with edge calculations node with video monitoring equipment
Band network connection；Control centre is according to the data information of video monitoring equipment, and one edge calculations node of setting is in region
Level-one edge calculations node, remaining node are two level edge calculations node；Or manually node level is configured, and artificial
The priority of setting is higher than the automatic setting according to video monitoring equipment.
The grade of edge calculations node changes setting by system or manually according to crossing situation.
Control centre centered on level-one edge calculations node, determines each two level side in region according to video data information
Strength of association coefficient between edge calculate node and level-one edge calculations node；Control centre is set by automatic or manual and is associated with
Strength factor threshold value.
Level-one edge calculations node determines to obtain the terminal of two-level node according to the strength of association coefficient and threshold value of each node
The calculating data of device data information or node；When the strength of association coefficient of two-level node is more than threshold value, first nodes obtain
The terminal device data information at crossing where it, when the strength of association coefficient of two-level node is less than threshold value, first nodes only obtain
Take the result of calculation information of the node.
Edge calculations node is connected by broadband network or wireless network with terminal device, by wireless network with vehicle-mounted dress
Standby connection；The terminal device data at crossing where two level edge calculations node obtains the node, level-one edge calculations node are removed and are obtained
Where taking it outside data of junction terminal equipment, while obtain the terminal device data of other nodes or node calculating data；Side
Edge calculate node generates control program according to data information, and issues execution.
Level-one edge calculations node generates Coordinated Control Scheme according to the information of acquisition；The program includes the control of own node
The control program of other nodes in scheme processed and region；Itself scheme directly performs, after other node control schemes issue, two level
Node is according to data information to being performed after project setting；After the scheme that two-level node is issued in acquisition first nodes, according to
Data information is adjusted scheme, and the permission size of adjustment is by the strength of association system between the node and first nodes
Number determines that coefficient is bigger, and adjustment permission is smaller.
Car kits, by wireless network connection, are exporting vehicle destination, vehicle with away from its nearest edge calculations node
While fast information, obtain close to crossing signal lamp lamp state information.
The edge calculations node is traffic signal controlling machine；Traffic signal controlling machine include processing unit, storage unit,
Input/output interface unit and wireless communication unit.
The terminal device of the IPization includes information input equipment and information output device；Information input equipment includes video
Monitoring device, flow monitoring equipment, speed measuring and calculating equipment；Information output device includes signal output apparatus, information distributing apparatus；
Bus or train route coordination mobile unit is both information input equipment and information output device.
Embodiment 2：What is be made of at one several crossings coordinates to use based on edge calculations node in control area
Area coordination control model technology, each crossing traffic signal controlling machine are edge calculations node.Each traffic signal controlling machine passes through broadband
With control centre into row data communication, control centre is communicated network by broadband network with each crossing video monitoring equipment simultaneously.
By broadband network communication between each crossing traffic signal controlling machine, in single crossing, traffic signal controlling machine is the same as crossing IPization
Equipment communicated by wired or wireless mode.The terminal device of IPization includes information input equipment and information output is set
It is standby.Information input equipment includes at least video monitoring equipment, flow monitoring equipment, speed measuring and calculating equipment etc.；Information output device
Including at least signal output apparatus, information distributing apparatus etc.；Bus or train route coordination mobile unit is both information input equipment and information
Output equipment.
Each edge calculations node can be divided into a level-one edge calculations node and other two level edge calculations sections in region
Point, level-one edge calculations node can be set by control centre's automatic or manual.For example, system default is that vehicle flowrate is larger
Commercial center crossing is set as first nodes, then the edge calculations node is according to the traffic conditions of other nodes in itself and region
Generation Collaborative Control scheme performs at this crossing and is issued to the execution of other junction nodes, in this way, the crossing can obtain it is optimal
Traffic pass through effect.When control centre by the automatic or artificial discovery crossing of video monitoring equipment occur traffic accident or
Vehicle flowrate suddenly increased situation when, you can the crossing is set as first nodes by automatic or manual, and by raw based on it
Into Collaborative Control scheme, with most fast, the most effective traffic clearance scheme for optimizing the crossing.
First nodes are adjusted with the relationship between two-level node in region by incidence coefficient intensity.Certain two-level node is same
Incidence coefficient between first nodes is stronger, and the basic data of crossing equipment will be used more, same to first nodes
Between synergy also can be more preferable.For example, include a major trunk roads and several branches in Collaborative Control region, it is dry to strengthen
Road coordinate control effect when, level-one edge calculations node can be arranged on to the major trunk roads crossing, and improve major trunk roads other
Crossing can realize that major trunk roads cooperate with the collaboration of green wave or other modes in this way with the incidence coefficient intensity between first nodes
Control, reduction branch crossing is the same as the Collaborative Control between major trunk roads.For another example coordinate control area in there are traffic flow significantly compared with
The crossing in the case, can be set as level-one edge calculations node by big intersection, and it is same to improve downstream road junction thereon
Incidence coefficient intensity between grade node, weakens other crossing incidence coefficient intensity, in this way, Collaborative Control scheme can be more
Consider the passage situation at the crossing and upstream and downstream crossing, realize that the traffic pressure at busy crossing is alleviated.
Edge calculations node can more accurately obtain the truthful data of road traffic flow with the communication between mobile unit,
To adjust signal timing plan to best, best traffic route also is provided for motor vehicle, is improved by two-way interaction entire
Road traffic traffic efficiency.For example, edge calculations node by obtaining motor vehicle speed information, can more effectively judge road
Wagon flow situation；The traffic lights situation at crossing is fed back to car owner by edge calculations node, improves drive safety；According to motor-driven
Vehicle destination information and each route traffic passage situation recommend best traffic route for car owner, alleviate heavy traffic road
The running time of car owner is reduced while pressure.On the basis of this two-way interaction, realize dynamic between motor vehicle and road
State balances.
Claims (10)
1. a kind of urban traffic area coordinated control system based on edge calculations node, it is characterised in that：Coordination control system
System includes at least a control centre, multiple edge calculations nodes, the terminal device and car kits of several IPization；In control
The heart is connected by broadband network with edge calculations node and section terminating equipment, and edge calculations node is by broadband network or wirelessly
Network is connected with terminal device and car kits；Control centre is automatically generated according to data information or the manual setting of operating personnel
It is level-one calculate node or two level calculate node to determine the edge calculations node in region；Edge calculations node is according to itself rank
Related interrupts equipment or the data of associated computing nodes are obtained, generate control program and are performed.
2. according to the coordinated control system described in claims 1, it is characterised in that：Control centre also leads to video monitoring equipment
Cross broadband network connection；Control centre sets an edge calculations section according to the data information of video monitoring equipment in region
Point is level-one edge calculations node, remaining node is two level edge calculations node；Or manually node level is configured, and
The priority manually set is higher than the automatic setting according to video monitoring equipment.
3. according to the coordinated control system described in claims 2, it is characterised in that：The grade of edge calculations node by system or
Manually changed according to crossing situation and set.
4. according to the coordinated control system described in claims 2, it is characterised in that：Control centre according to video data information,
Centered on level-one edge calculations node, determine in region between each two level edge calculations node and level-one edge calculations node
Strength of association coefficient；Control centre sets strength of association coefficient threshold by automatic or manual.
5. coordinated control system as claimed in claim 4, which is characterized in that level-one edge calculations node is according to each node
Strength of association coefficient and threshold value determine to obtain the terminal device data information of two-level node or the calculating data of node；When two level section
When the strength of association coefficient of point is more than threshold value, the terminal device data information at crossing where first nodes obtain it, when two level section
When the strength of association coefficient of point is less than threshold value, first nodes only obtain the result of calculation information of the node.
6. according to the coordinated control system described in claims 1, which is characterized in that edge calculations node by broadband network or
Wireless network is connected with terminal device, is connected by wireless network with car kits；Two level edge calculations node obtains the node
The terminal device data at place crossing, level-one edge calculations node is in addition to the data for obtaining its place junction terminal equipment, simultaneously
The terminal device data or node for obtaining other nodes calculate data；Edge calculations node generates controlling party according to data information
Case, and issue execution.
7. according to the coordinated control system described in claims 6, which is characterized in that level-one edge calculations node is according to acquisition
Information generates Coordinated Control Scheme；The program includes the control program of other nodes in the control program and region of own node；
Itself scheme directly performs, after other node control schemes issue, two-level node according to data information to project setting after
It performs；Two-level node is adjusted scheme according to data information after the scheme that first nodes issue is obtained, and adjusts
Permission size determine that coefficient is bigger by the strength of association coefficient between the node and first nodes, adjustment permission it is smaller.
8. according to the coordinated control system described in claims 1, it is characterised in that：Car kits are the same as away from its nearest edge meter
Operator node is by wireless network connection, while vehicle destination, speed information is exported, obtain close to crossing signal lamp
Lamp state information.
9. according to the coordinated control system described in claims 1, it is characterised in that：The edge calculations node is traffic signals
Control machine；Traffic signal controlling machine includes processing unit, storage unit, input/output interface unit and wireless communication unit.
10. coordinated control system according to claim 1, it is characterised in that：The terminal device of the IPization includes information
Input equipment and information output device；Information input equipment is set including video monitoring equipment, flow monitoring equipment, speed measuring and calculating
It is standby；Information output device includes signal output apparatus, information distributing apparatus；It is both information input equipment that bus or train route, which coordinates mobile unit,
It is information output device again.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088755A (en) * | 2018-08-01 | 2018-12-25 | 南京大学 | A kind of Complex event processing system deployment method under edge calculations |
| CN109285100A (en) * | 2018-10-22 | 2019-01-29 | 国云科技股份有限公司 | A kind of smart city model system and its operation method based on edge calculations |
| CN109584570A (en) * | 2018-12-29 | 2019-04-05 | 浙江方大智控科技有限公司 | Traffic management method based on roadside fixed test equipment |
| CN109686082A (en) * | 2018-12-07 | 2019-04-26 | 西安电子科技大学 | Urban traffic monitoring system based on edge computing nodes and deployment method |
| CN111506408A (en) * | 2020-04-15 | 2020-08-07 | 辽宁大学 | Edge computing task scheduling method based on associated data set |
| CN111710177A (en) * | 2020-05-11 | 2020-09-25 | 华东师范大学 | Intelligent traffic signal lamp networking cooperative optimization control system and control method |
| CN112466116A (en) * | 2019-12-27 | 2021-03-09 | 北京航空航天大学 | Intersection group distributed control method based on edge calculation |
| CN113140118A (en) * | 2021-06-22 | 2021-07-20 | 华砺智行(武汉)科技有限公司 | Distributed single intersection control system, multiple intersection control system, method and medium |
| CN113705372A (en) * | 2021-08-10 | 2021-11-26 | 国网江苏省电力有限公司太仓市供电分公司 | AI identification system for join in marriage net job site violating regulations |
| CN114677847A (en) * | 2022-04-13 | 2022-06-28 | 华南理工大学 | Iterative optimization-based regional green wave coordination scheme solving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088755A (en) * | 2018-08-01 | 2018-12-25 | 南京大学 | A kind of Complex event processing system deployment method under edge calculations |
| CN109088755B (en) * | 2018-08-01 | 2021-07-27 | 南京大学 | Complex event processing system deployment method under edge calculation |
| CN109285100A (en) * | 2018-10-22 | 2019-01-29 | 国云科技股份有限公司 | A kind of smart city model system and its operation method based on edge calculations |
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| CN109584570A (en) * | 2018-12-29 | 2019-04-05 | 浙江方大智控科技有限公司 | Traffic management method based on roadside fixed test equipment |
| CN112466116A (en) * | 2019-12-27 | 2021-03-09 | 北京航空航天大学 | Intersection group distributed control method based on edge calculation |
| CN111506408A (en) * | 2020-04-15 | 2020-08-07 | 辽宁大学 | Edge computing task scheduling method based on associated data set |
| CN111506408B (en) * | 2020-04-15 | 2023-06-16 | 辽宁大学 | Edge computing task scheduling method based on associated data set |
| CN111710177A (en) * | 2020-05-11 | 2020-09-25 | 华东师范大学 | Intelligent traffic signal lamp networking cooperative optimization control system and control method |
| CN111710177B (en) * | 2020-05-11 | 2021-07-27 | 华东师范大学 | Intelligent traffic signal lamp networking cooperative optimization control system and control method |
| CN113140118A (en) * | 2021-06-22 | 2021-07-20 | 华砺智行(武汉)科技有限公司 | Distributed single intersection control system, multiple intersection control system, method and medium |
| CN113140118B (en) * | 2021-06-22 | 2021-09-17 | 华砺智行(武汉)科技有限公司 | Distributed single intersection control system, multiple intersection control system, method and medium |
| CN113705372A (en) * | 2021-08-10 | 2021-11-26 | 国网江苏省电力有限公司太仓市供电分公司 | AI identification system for join in marriage net job site violating regulations |
| CN114677847A (en) * | 2022-04-13 | 2022-06-28 | 华南理工大学 | Iterative optimization-based regional green wave coordination scheme solving method |
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