CN109300316A - A kind of road delays blocking control method, system and equipment - Google Patents
A kind of road delays blocking control method, system and equipment Download PDFInfo
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- CN109300316A CN109300316A CN201810764762.7A CN201810764762A CN109300316A CN 109300316 A CN109300316 A CN 109300316A CN 201810764762 A CN201810764762 A CN 201810764762A CN 109300316 A CN109300316 A CN 109300316A
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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
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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Abstract
The embodiment of the present application provides a kind of road and delays blocking control method, system and equipment, wherein method includes: to obtain the corresponding input traffic flow of congested link；According to the vehicle total amount and vehicle ring road source inputted in traffic flow, at least one target ring road is chosen from each ring road of congested link upstream；For each target ring road, according to the traffic characteristic parameters of target ring road, and the changing rule between traffic characteristic parameters under each preset signals control program and slow stifled control effect, using each target ring road reach it is default it is slow it is stifled require when corresponding preset signals control program as the echo signal control program of target ring road；The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road, to alleviate the pressure of congested link.The selection of signal timing plan eliminates the reliance on experience, this makes the control for the traffic flow on each ring road more scientific, more reasonable.
Description
Technical field
This application involves technical field of data processing more particularly to a kind of road to delay blocking control method, system and equipment.
Background technique
With the increase of city automobile ownership, the pressure of road traffic is increasing, time that road traffic gets congestion
Number is more and more, congestion level is also increasingly severe.
Wherein, through street provides service support for a large amount of, long range and rapid transit in city, still, when on through street
Ring road transport need exceed through street the traffic capacity when, the traffic congestion of through street will be caused, especially in morning, evening peak
And the transport needs such as festivals or holidays peak period, traffic congestion frequent occurrence on through street.
Currently, the means for solving through street congestion are usually: the signal lamp of ring road mouth rule of thumb is arranged, with control
The traffic flow of ring road.But this means be it is empirical, slow stifled effect to through street is simultaneously bad.
Summary of the invention
The many aspects of the application provide a kind of road and delay blocking control method, system and equipment, to solve in the prior art
Dependence experience carries out the bad problem of slow stifled control effect caused by the slow stifled control of road.
The embodiment of the present application provides a kind of slow blocking control method of road, comprising:
The corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle in the input traffic flow
Ring road source；
According to the vehicle total amount inputted in traffic flow and vehicle ring road source, from each of the congested link upstream
At least one target ring road is chosen in a ring road；
For each target ring road, according to the traffic characteristic parameters of the target ring road, and in each preset signals control
Changing rule under scheme processed between traffic characteristic parameters and slow stifled control effect, is reaching pre- for each target ring road
If slow stifled preset signals control program corresponding when requiring is respectively as the echo signal control program of the target ring road；
The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road
System, to alleviate the pressure of the congested link.
The embodiment of the present application also provides a kind of road slow stifled control system, including collector, controller and is located on ring road
Signal lamp；
The collector be used to acquire input traffic flow of the congested link in a preset time and will it is collected described in
Input traffic flow is sent to the controller；
The controller counts in the input traffic flow for obtaining the corresponding input traffic flow of congested link
Vehicle total amount and vehicle ring road source；According to the vehicle total amount inputted in traffic flow and vehicle ring road source, gathered around from described
At least one target ring road is chosen in each ring road of stifled section upstream；For each target ring road, according to the target ring road
Traffic characteristic parameters, and between traffic characteristic parameters under each preset signals control program and slow stifled control effect
Changing rule, by each target ring road, when reaching default slow stifled and requiring, corresponding preset signals control program is made respectively
For the echo signal control program of the target ring road；And the echo signal control program of the target ring road is sent to institute
State signal lamp；
The signal lamp on the target ring road is used to work according to the echo signal control program,
To control the passage and/or pause of traffic flow on the target ring road respectively.
The embodiment of the present application also provides a kind of electronic equipment, including memory and controller；
The memory, for storing computer program；
The processor, for executing the computer program in the memory, to be used for:
The corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle in the input traffic flow
Ring road source；
According to the vehicle total amount inputted in traffic flow and vehicle ring road source, from each of the congested link upstream
At least one target ring road is chosen in a ring road；
For each target ring road, according to the traffic characteristic parameters of the target ring road, and in each preset signals control
Changing rule under scheme processed between traffic characteristic parameters and slow stifled control effect, is reaching pre- for each target ring road
If slow stifled preset signals control program corresponding when requiring is respectively as the echo signal control program of the target ring road；
The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road
System, to alleviate the pressure of the congested link.
It in the embodiment of the present application, can be from cur-rent congestion road by the corresponding input traffic flow in analysis cur-rent congestion section
Duan Shangyou chooses at least one ring road as target ring road, according to the traffic characteristic parameters under each preset signals control program
With the changing rule between slow stifled control effect, it may be determined that meet preset target corresponding to target ring road when delaying stifled require out
Signal timing plan, and the traffic flow on each target ring road is controlled accordingly, to reach default slow stifled requirement.This
Apply in embodiment, according to the practical jam situation in cur-rent congestion section can determine that default slow stifled desired letter can be reached
Number control program, eliminates the reliance on experience, this makes the control for the traffic flow on each ring road more scientific, more rationally,
It can get preferably slow stifled control effect.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is that a kind of road that one embodiment of the application provides delays blocking control method；
A kind of exemplary congestion scene of congested link and its each ring road of upstream composition in Fig. 2 the embodiment of the present application；
Fig. 3 is the structural schematic diagram for the slow stifled control system of road that another embodiment of the application provides；
Fig. 4 is the structural schematic diagram for a kind of electronic equipment that the another embodiment of the application provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application
A part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall in the protection scope of this application.
In the prior art, the means for solving through street congestion are usually: rule of thumb the signal lamp of ring road mouth is set,
To control the traffic flow of ring road.But this means be it is empirical, slow stifled effect to through street is simultaneously bad.For existing
The above problem existing for technology, the embodiment of the present application provide a solution: corresponding defeated by analysis cur-rent congestion section
Enter traffic flow, at least one ring road can be chosen from cur-rent congestion section upstream as control target, according in each preset signals
Changing rule under control program between traffic characteristic parameters and slow stifled control effect, it may be determined that meet to preset out and delay stifled require
When target ring road corresponding to echo signal control program, and the traffic flow on each target ring road is controlled accordingly, from
And reach default slow stifled requirement.In the embodiment of the present application, energy can be determined according to the practical jam situation in cur-rent congestion section
Enough reach default slow stifled desired signal timing plan, eliminates the reliance on experience, this makes for the traffic flow on each ring road
Control it is more scientific, more rationally, can get preferably slow stifled control effect.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
Fig. 1 is that a kind of road that one embodiment of the application provides delays blocking control method.As shown in Figure 1, this method comprises:
100, the corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle in input traffic flow
Ring road source；
101, each circle according to the vehicle total amount and vehicle ring road source inputted in traffic flow, from congested link upstream
At least one target ring road is chosen in road；
102, it is directed to each target ring road, according to the traffic characteristic parameters of target ring road, and in each preset signals control
Each target ring road is being reached default slow by the changing rule under scheme processed between traffic characteristic parameters and slow stifled control effect
Echo signal control program of the stifled preset signals control program corresponding when requiring respectively as target ring road；
103, the traffic on each target ring road is flowed into respectively according to the echo signal control program of each target ring road
Row control, to alleviate the pressure of congested link.
Road provided in this embodiment, which delays blocking control method, can be applied to the various fields for needing to carry out the slow stifled control of road
Scape.Such as: the slow stifled control of through street.The through street of broad sense includes the free way of the field of traffic such as highway, railway, water channel.It is narrow
The through street abbreviation expressway of justice, is often related to intercity through street and city expressway, and the latter is that have the higher speed to be in city
The strategic road of long range transport services.Each major area in main connection urban district, main suburb nearby, satellite, it is main externally
Highway etc..Certainly, in addition to through street, the present embodiment applies also for trunk roads, secondary distributor road etc. and is connected with branch and frequent occurrence
In other type roads of congestion, the present embodiment is not construed as limiting this.
In the present embodiment, congested link generally refers to the section to get congestion on turnpike road, as through street main road on
The section to get congestion.Ring road refers to the branch being connected with turnpike road, and the traffic flow on ring road will import on turnpike road
Traffic flow.In the present embodiment, the traffic flow on each ring road of congested link upstream imports congested link and forms congestion road
The corresponding input traffic flow of section.Traffic flow then refers to the wagon flow being made of several vehicles.Wherein, the input traffic of congested link
The each vehicle for including in stream may be from the different ring roads of congested link upstream.
It, can be on the arbitrary cross-section of congested link for convenience of counting in the corresponding input traffic flow of acquisition congested link
It observes in preset time period and passes through the vehicle of the section, these vehicles will form the corresponding input traffic flow of congested link.Its
In, preset time period can be set according to actual needs, such as: one minute, ten minutes or one hour etc., the present embodiment
This is not construed as limiting.It is certainly, also statistics available according to input traffic flow at least statistics available vehicle total amount and vehicle ring road source out
Other information, for example, sequencing, car speed, vehicle that vehicle reaches congested link are travelled from ring road to congested link
Traffic delay time etc., the present embodiment is not construed as limiting this.
Congested link on road may be simultaneously present it is multiple, for cur-rent congestion section, the congestion road of upstream
Section is equivalent to roadblock, and traffic flow is blocked, therefore, the traffic flow on the ring road of the congested link upstream of upstream, in upstream
Congested link do not dredge before, will be unable to reach cur-rent congestion section, cur-rent congestion section would not also be impacted.
In addition, for apart from cur-rent congestion section, farther out or the ring road of traffic flow very little, the influence to cur-rent congestion section is not yet
Greatly, it might even be possible to ignore.Little ring road is influenced on cur-rent congestion section for these, if taking traffic flow to it
Control measure do not simply fail to bring good effect to the slow stifled control in cur-rent congestion section, can hinder the friendship of these ring roads instead
Through-flow normal operation causes unnecessary traffic delay.In the present embodiment, according to the vehicle in the input traffic flow counted
Total amount and vehicle ring road source, can from all ring roads of congested link upstream selected section ring road as target ring road,
It is controlled without all ring roads to congested link upstream.Wherein, target ring road, which refers to, needs to carry out Traffic flux detection
Ring road.
In the present embodiment, it can be determined on congested link according to the vehicle total amount and vehicle ring road source inputted in traffic flow
Each ring road of trip chooses mesh to the influence degree of congested link according to each ring road to the influence degree of congested link
Mark ring road.For example, can also will can be reached at first using the predetermined quantity ring road nearest apart from congested link as target ring road
The ring road that is related to of predetermined quantity vehicle as target ring road, certainly, can also carry out target ring road according to other principles
It chooses, the present embodiment is not construed as limiting this.
For each target ring road, the traffic characteristic parameters of statistics available each target ring road out.Traffic characteristic parameters refer to
It is able to reflect the parameter of target ring road traffic condition.Optionally, traffic characteristic parameters can include: target ring road and congested link
Between spacing, target ring road congested link it is corresponding input traffic flow in ring road accounting, target ring road maximum vehicle
Store queue ability and the congestion level of congested link etc..It certainly can also include that other target ring roads that are able to reflect are handed over
The parameter of logical situation, the present embodiment are not construed as limiting this.
For same target ring road, different slow stifled control effects may be obtained under different signal timing plans
Fruit.For different target ring roads, different slow stifled control effects may be obtained using identical control program.The present embodiment
In, can according to the changing rule between traffic characteristic parameters under each preset signals control program and slow stifled control effect, with
It is target that target ring road, which can reach default slow stifled requirement, determines the corresponding echo signal control program of target ring road.Its
In, default slow stifled requirement can be each target ring road institute of congested link and its upstream after each target ring road of Collaborative Control
The slow stifled requirement of the entirety reached needed for region is constituted, target ring road and congestion after each target ring road of independent control are also possible to
The individually required slow stifled requirement reached of the constituted region in section, can also be other areas Huan Du under other control modes certainly
The slow stifled requirement reached needed for domain, the present embodiment are not construed as limiting this.In the present embodiment, default slow stifled requirement can be traffic
Delay is minimum, and/or, the maximum flow of the output traffic flow of congested link.It is preset for minimum this of traffic delay slow stifled
It is required that aforementioned two kinds default slow stifled desired definition will respectively correspond each target ring road institute structure of congested link Yu its upstream
It is minimum at the whole traffic delay in region, and, each target ring road and the constituted region of congested link reach traffic delay respectively
It is minimum.Path resource can be more fully utilized since overall coordination controls each target ring road, hereinafter, by emphasis with congestion
It is that target carries out scheme explanation that each constituted region entirety of target ring road of section and its upstream, which reaches default slow stifled requirement,
It should be understood that for other default slow stifled the case where requiring, it can be by carrying out adaptability tune to the incidence relation parameter
It is whole to carry out scheme implementation.
In the present embodiment, based on the traffic characteristic parameters under each preset signals control program and slow stifled control effect it
Between changing rule, target ring road can be determined respectively in the default letter of difference according to the traffic characteristic parameters of different target ring road
Slow stifled control effect under number control program, and therefrom determine to reach default slow stifled slow stifled control effect corresponding when requiring,
It determines therefrom that out the slow stifled corresponding signal timing plan of effect, that is, is determined as the echo signal control program of target ring road.Its
In, it, can be according to the traffic characteristic parameters of target ring road, using traffic simulation etc. when determining the target control scheme of target ring road
Mode determines the echo signal control program of target ring road, certainly, other way also can be used, the present embodiment does not make this
It limits.
After the echo signal control program for determining each target ring road, it can believe according to the target of each target ring road
Number control program respectively controls the traffic flow on each target ring road, to alleviate the pressure of congested link.Signal control
Include at least in scheme: signal controls the parameters such as period and/or ring road entrance wagon flow communication split.It can be by controlling target
Signal lamp on ring road implements signal timing plan, to control the traffic flow on target ring road.
It, can be from cur-rent congestion section upstream by the corresponding input traffic flow in analysis cur-rent congestion section in the present embodiment
At least one ring road is chosen as control target, according to the traffic characteristic parameters under each preset signals control program and is delayed stifled
Changing rule between control effect, it may be determined that meet preset echo signal control corresponding to target ring road when delaying stifled require out
Scheme processed, and the traffic flow on each target ring road is controlled accordingly, to reach default slow stifled requirement.The application is real
It applies in example, according to the practical jam situation in cur-rent congestion section can determine that default slow stifled desired signal control can be reached
Scheme eliminates the reliance on experience, this makes the control for the traffic flow on each ring road more scientific, more reasonable, can get
Preferably slow stifled control effect.
It, can be according in input traffic flow in order to more reasonably choose target ring road in above-mentioned or following embodiments
Vehicle total amount and vehicle ring road source calculate ring road accounting of each ring road of congested link upstream in input traffic flow；With
Selected ring road minimum number, and the sum of the ring road accounting of selected ring road reach current limliting ratio be target, from each ring road selection to
A few target ring road.Wherein, ring road accounting can characterize each ring road to the influence degree of congested link.
For example, a kind of exemplary congestion that congested link and its each ring road of upstream form in Fig. 2 the embodiment of the present application
Scene.As shown in Fig. 2, if being come from comprising 10 amount vehicles wherein being 3 from No. 1 ring road in the input traffic flow of congested link
The vehicle of No. 2 ring roads is 1, and the vehicle from No. 3 ring roads is 4, and the vehicle from No. 4 ring roads is 2, then 1,2,3, No. 4 ring road
Accounting is respectively 0.3,0.1,0.4,0.2.Correspondingly, 1,2,3, No. 4 ring road is to the influence degree of congested link by by force to weak
Successively are as follows: No. 3, No. 1, No. 4, No. 2.
In the present embodiment, current limliting ratio refers to that limitation enters the wagon flow ratio of congested link, and current limliting ratio is greater than 0 and small
In 1.For example, according to the corresponding input traffic flow of congested link of aforesaid statistical, if including 100 vehicles in input traffic flow, when
When current limliting ratio is 0.5,50 vehicles therein will at most be allowed to enter congestion regions；When current limliting ratio is 0.8, then at most
20 vehicles therein are allowed to enter congestion regions, remaining vehicle will be limited in except congestion regions.
Optionally, current limliting ratio can be according to the congestion severity and/or congestion rate of pressure increase of congested link come really
It is fixed, certainly, the other feature parameter of congested link can be also used to determine current limliting ratio, for example, the road of congested link is long
Degree, the duration of congestion etc., the present embodiment is not construed as limiting this.Wherein, congestion severity can be according in congested link
Vehicle Speed determine, for example, being determined as heavy congestion when Vehicle Speed is 20~30km/h, working as vehicle
When travel speed is 40~50km/h, it is determined as general congestion.Congestion rate of pressure increase can be according under Vehicle Speed
Reduction of speed degree determines, when Vehicle Speed decline is very fast, illustrates that congestion rate of pressure increase is very fast.
According to preset current limliting ratio, can selected ring road minimum number, and the sum of the ring road accounting of selected ring road reaches
Current limliting ratio is target, at least one target ring road is selected from each ring road.Ring road accounting sample calculation above-mentioned is accepted, when
When current limliting ratio is 0.5, can be selected from 1~No. 4 ring road the sum of ring road accounting reach when 0.5 minimal number of ring road as
Target ring road that is to say No. 1 and No. 3 ring roads being determined as target ring road.
In the present embodiment, being determined in each ring road of congested link upstream by ring road accounting influences journey to congested link
Degree therefrom select minimum number, the maximum several ring roads of influence as target ring road, it is subsequent will be to each target circle selected
Road carries out Traffic flux detection, and the traffic flow of other ring roads in addition to target ring road will be unaffected, and these ring roads will not
Congested link is impacted.So as to it is more accurate, more reasonably control congestion source, reach default slow stifled and require.
In above-mentioned or following embodiments, it can be directed to each target ring road, according to the traffic characteristic parameters of target ring road,
Machine learning model is run, to obtain slow stifled control effect of the target ring road under each preset signals control program, and will be every
The slow stifled control effect of a target ring road reaches default and delays corresponding preset signals control program when stifled require, respectively as every
The echo signal control program of a target ring road；Wherein, machine learning model is included under each preset signals control program
Changing rule between traffic characteristic parameters and slow stifled control effect.
In the present embodiment, the traffic characteristic under each preset signals control program can be learnt by machine learning model and joined
Changing rule between several and slow stifled control effect, and when road gets congestion, for each target of congested link upstream
Ring road runs machine learning model, determines each target ring road when reaching default slow stifled and requiring pair by machine learning model
The preset signals control program answered.Machine learning model will export the echo signal control program of each target ring road.Wherein,
The method for realizing machine learning model learning tasks can be neural network algorithm, naturally it is also possible to be decision tree, probability artwork
The combination of other methods such as type or a variety of methods, the present embodiment are not construed as limiting this.
On the basis of machine learning model, the present embodiment is according to limited traffic characteristic parameters of target ring road
Default slow stifled desired echo signal control program can be reached by determining can be reduced compared with traffic simulation and other implementations
The data volume for needing to acquire in real time when slow stifled control, and can get faster processing speed and more accurate signal processing
Scheme, so as to more efficiently carry out slow stifled control.
It further include the training process to machine learning model before running machine learning model.It will be detailed below
The training process of machine learning model.
In the present embodiment, it can obtain each emulation congestion scene based on multiple and different emulation congestion scenes and respectively correspond to
At least one ring road to be controlled traffic characteristic parameters；According to each emulation congestion scene it is corresponding at least one wait for
The traffic characteristic parameters of ring road are controlled, emulate each of each emulation congestion scene ring road to be controlled in several default letters
The slow stifled control effect generated respectively under number control program；According to each emulation congestion scene it is corresponding at least one wait for
Control the traffic characteristic parameters of ring road, and if each of each emulation congestion scene ring road to be controlled for obtaining of emulation exist
The slow stifled control effect generated respectively under dry preset signals control program, carries out model training, to obtain machine learning mould
Type.
Wherein, emulation congestion scene is for simulating real road traffic scene.Emulation congestion scene may include emulation congestion
Multiple emulation ring roads in section and emulation congested link upstream, and positioned at emulation congested link and emulate the traffic on ring road
Stream.Different emulation congestion scenes refers to the different emulation congestion scene of traffic condition, for example, for other traffic shapes
Two kinds of scenes that condition is identical but the congestion level of congested link is different, can establish two different emulation congestion scenes；For it
His traffic condition is identical but No. 1 ring road on traffic flow two kinds of scenes of different sizes, two different emulation congestions can be established
Scene, etc., it is no longer exhaustive herein.It is worth noting that emulation congestion scene is more, the emulation data of acquisition are abundanter, base
It then can get the machine learning model of higher precision when emulating data and carrying out machine learning model training.
According to multiple and different emulation congestion scenes, can obtain each emulation congestion scene it is corresponding at least one
The traffic characteristic parameters of ring road to be controlled.Determine the corresponding band of the emulation congested link ring road to be controlled in emulation congestion scene
Process, can refer in previous embodiment about choosing at least one target ring road from each ring road of congested link upstream
Process, details are not described herein.
In the present embodiment, the traffic simulation in emulation congestion scene can be carried out by existing Traffic Flow Simulation Models, according to
The traffic characteristic parameters of each emulation at least one corresponding ring road to be controlled of congestion scene, emulate each emulation congestion
The slow stifled control effect that each of scene ring road to be controlled generates respectively under several preset signals control programs.It will be every
Each of the traffic characteristic parameters, and emulation acquisition of a emulation at least one corresponding ring road to be controlled of congestion scene
The slow stifled control effect that each of emulation congestion scene ring road to be controlled generates respectively under several preset signals control programs
Fruit carries out model training as model parameter, controls in this way, machine learning model at least may be learned in each preset signals
Changing rule under scheme between traffic characteristic parameters and slow stifled control effect.
When carrying out model training, each emulation congestion scene that can be obtained from emulation is controlled in several preset signals
The slow stifled control effect generated respectively under scheme is determined to reach default slow stifled desired slow stifled control effect；With each emulation
The traffic characteristic parameters of the corresponding ring road to be controlled of congestion scene are as input parameter, to emulate each emulation obtained
Congestion scene reaches default slow stifled and requires as target, and slow stifled requires corresponding signal timing plan as defeated using default
Out, model training is carried out, to obtain machine learning model.
Accordingly, machine learning model may be learned the traffic characteristic parameters under each preset signals control program and delay stifled
Changing rule between control effect, and the slow stifled control of ring road to be controlled can be selected from each preset signals control program
Effect processed reaches the default slow signal timing plan blocked up when requiring.Therefore, when running machine learning model, machine learning mould
Type can be according to the traffic characteristic parameters of the ring road to be controlled of input, directly under output cur-rent congestion section, the ring road pair to be controlled
The echo signal control program answered can make slow stifled control effect after implementing the echo signal control program on the ring road to be controlled
Fruit reaches default slow stifled requirement.
In the present embodiment, delay the efficacy parameter in stifled control effect can include: emulate congested link and with control ring road institute
The whole traffic delay degree in the region of composition, and/or, emulate the flow of the output traffic flow of congested link.Accordingly, in advance
If the whole traffic delay in the slow stifled region for requiring to may is that the ring road to be controlled of emulation congested link and its upstream is constituted
Minimum, and/or, emulate the maximum flow of the output traffic flow of congested link.
When the efficacy parameter of slow stifled control effect includes the region for emulating congested link and ring road to be controlled and being constituted simultaneously
Whole traffic delay degree and emulation congested link output traffic flow flow when, can before carrying out model training, if
The respective weight of flow of traffic delay degree and output traffic flow in fixed slow stifled control effect, according to traffic delay degree
Determine that default slow block up requires with the respective weight of flow of output traffic flow.Prolong for example, traffic can be set in default slow stifled requirement
Accidentally the weight of degree is 0.7, and the weight of the flow of traffic flow is 0.3, then during training machine learning model, presets
Slow stifled requirement can be traffic delay minimum and the flow of traffic flow is not less than the 50% of maximum value, and certainly, this is only exemplary
, it is converted according to weight, presetting slow stifled requirement is also likely to be other as a result, the present embodiment is not construed as limiting this.
Fig. 3 is the slow stifled control system schematic diagram of a kind of road that another embodiment of the application provides.As shown in figure 3, the road
The slow stifled control system in road, including collector 30, controller 31 and the signal lamp 32 on ring road；
Collector 30 is used to acquire input traffic flow of the congested link in a preset time and by collected input friendship
It is through-flow to be sent to controller 31；
Controller 31 is for obtaining the corresponding input traffic flow of congested link, and the vehicle counted in input traffic flow is total
Amount and vehicle ring road source；According to the vehicle total amount and vehicle ring road source inputted in traffic flow, from each of congested link upstream
At least one target ring road is chosen in a ring road；For each target ring road, according to the traffic characteristic parameters of target ring road, with
And the changing rule between traffic characteristic parameters under each preset signals control program and slow stifled control effect, by each mesh
The echo signal control of corresponding preset signals control program respectively as target ring road when reaching default slow stifled and requiring of mark ring road
Scheme processed；And the echo signal control program of target ring road is sent to signal lamp 32；
Signal lamp 32 on target ring road according to echo signal control program for working, to control respectively
The passage and/or pause of traffic flow on target ring road.
Wherein, collector 30, which can be, is arranged in congested link and the gravity sensor on each ring road, ZIGBEE acquisition
The equipment that terminal etc. can acquire vehicle data, the present embodiment are not construed as limiting the way of realization of collector.Collector can root
It is arranged according to different apparatus-forms in different location, such as the frequent congested link in ring road mouth, through street main road can be set
Etc..
In an alternative embodiment, controller 31 according to input traffic flow in vehicle total amount and vehicle ring road source,
When choosing at least one target ring road from each ring road of congested link upstream, it is used for:
According to the vehicle total amount and vehicle ring road source inputted in traffic flow, each ring road of congested link upstream is calculated
Ring road accounting in input traffic flow；
Reach current limliting ratio for target, from each circle with the sum of the ring road accounting of selected ring road minimum number, and selected ring road
At least one target ring road is selected in road.
In an alternative embodiment, controller 31 with selected ring road minimum number, and the ring road accounting of selected ring road it
It is that target is also used to before selecting at least one target ring road in each ring road with current limliting ratio is reached:
According to the congestion severity and/or congestion rate of pressure increase of congested link, current limliting ratio, current limliting ratio are determined
Example is greater than 0 and less than 1.
In an alternative embodiment, the traffic characteristic parameters of target ring road include: between target ring road and congested link
The corresponding ring road accounting of spacing, target ring road, the maximum vehicle storage queue capability of target ring road and the congestion of congested link
One or more of degree.
In an alternative embodiment, the control parameter in preset signals control program include: signal control the period and/or
Ring road entrance wagon flow communicates split.
In an alternative embodiment, controller 31 is being directed to each target ring road, is joined according to the traffic characteristic of target ring road
Number, and the changing rule between traffic characteristic parameters under each preset signals control program and slow stifled control effect, will be every
A target ring road corresponding preset signals control program when reaching default slow stifled and requiring is believed respectively as the target of target ring road
When number control program, it is used for:
Machine learning model is run according to the traffic characteristic parameters of target ring road for each target ring road, to obtain
Slow stifled control effect of the target ring road under each preset signals control program, and the slow of each target ring road is blocked up into control effect
Fruit reaches default and delays corresponding preset signals control program when stifled require, respectively as the echo signal of each target ring road
Control program；
Wherein, machine learning model is included in traffic characteristic parameters and slow stifled control under each preset signals control program
Changing rule between effect.
In an alternative embodiment, controller 31 is being directed to each target ring road, is joined according to the traffic characteristic of target ring road
Number is also used to before running machine learning model:
Based on multiple and different emulation congestion scenes, obtain each emulation congestion scene it is corresponding at least one wait for
Control the traffic characteristic parameters of ring road；
According to the traffic characteristic parameters of each emulation at least one corresponding ring road to be controlled of congestion scene, emulation
The slow stifled control that each of each emulation congestion scene ring road to be controlled generates respectively under several preset signals control programs
Effect processed；
According to the traffic characteristic parameters of each emulation at least one corresponding target ring road of congestion scene, Yi Jifang
Each of each emulation congestion scene really obtained ring road to be controlled generates respectively under several preset signals control programs
Slow stifled control effect, model training is carried out, to obtain machine learning model.
In an alternative embodiment, controller 31 is according to each at least one corresponding mesh of emulation congestion scene
The traffic characteristic parameters of ring road are marked, and emulate each of each emulation congestion scene obtained ring road to be controlled several
The slow stifled control effect generated respectively under a preset signals control program, carries out model training, to obtain machine learning model
When, it is used for:
The each emulation congestion scene obtained from emulation generates slow stifled respectively under several preset signals control programs
Control effect is determined to reach default slow stifled desired slow stifled control effect；
Using the traffic characteristic parameters of each emulation corresponding target ring road of congestion scene as input parameter, with imitative
The each emulation congestion scene really obtained reaches default slow block up and requires as target, and requires corresponding letter with default slow block up
Number control program carries out model training, as output to obtain machine learning model.
In an alternative embodiment, the efficacy parameter in slow stifled control effect includes: emulation congested link and circle to be controlled
The whole traffic delay degree in the region that road is constituted, and/or, emulate the flow of the output traffic flow of congested link；
When slow stifled control effect includes the flow of traffic delay degree and output traffic flow, controller 31 is carrying out mould
Before type training, it is also used to:
The respective weight of flow of traffic delay degree and output traffic flow in the slow stifled control effect of setting, according to friendship
Logical delay degree and the respective weight of flow of output traffic flow determine default slow stifled requirement.
Fig. 4 is the structural schematic diagram for a kind of electronic equipment that the another embodiment of the application provides.As shown in figure 4, the electronics
Equipment includes: memory 40 and processor 41；
Memory 40 can be configured to store various other data in storage computer program to support in server
Operation in equipment.The example of these data includes any application or method for operating on server apparatus
Instruction, contact data, telephone book data, message, picture, video etc..
Memory 40 is realized by any kind of volatibility or non-volatile memory device or their combination, such as quiet
State random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), the read-only storage of erasable programmable
Device (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or
CD.
Processor 41 is coupled with memory 40, for executing the computer program in memory 40, to be used for:
The corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle ring road in input traffic flow
Source；
According to the vehicle total amount and vehicle ring road source inputted in traffic flow, from each ring road of congested link upstream
Choose at least one target ring road；
For each target ring road, according to the traffic characteristic parameters of target ring road, and in each preset signals controlling party
Changing rule under case between traffic characteristic parameters and slow stifled control effect slow stifled wants each target ring road reaching default
Echo signal control program of the corresponding preset signals control program respectively as target ring road when asking；
The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road
System, to alleviate the pressure of congested link.
In an alternative embodiment, processor 41 according to input traffic flow in vehicle total amount and vehicle ring road source,
When choosing at least one target ring road from each ring road of congested link upstream, it is used for:
According to the vehicle total amount and vehicle ring road source inputted in traffic flow, each ring road of congested link upstream is calculated
Ring road accounting in input traffic flow；
Reach current limliting ratio for target, from each circle with the sum of the ring road accounting of selected ring road minimum number, and selected ring road
At least one target ring road is selected in road.
In an alternative embodiment, processor 41 with selected ring road minimum number, and the ring road accounting of selected ring road it
It is that target is also used to before selecting at least one target ring road in each ring road with current limliting ratio is reached:
According to the congestion severity and/or congestion rate of pressure increase of congested link, current limliting ratio, current limliting ratio are determined
Example is greater than 0 and less than 1.
In an alternative embodiment, the traffic characteristic parameters of target ring road include: between target ring road and congested link
The corresponding ring road accounting of spacing, target ring road, the maximum vehicle storage queue capability of target ring road and the congestion of congested link
One or more of degree.
In an alternative embodiment, the control parameter in preset signals control program include: signal control the period and/or
Ring road entrance wagon flow communicates split.
In an alternative embodiment, processor 41 is being directed to each target ring road, is joined according to the traffic characteristic of target ring road
Number, and the changing rule between traffic characteristic parameters under each preset signals control program and slow stifled control effect, will be every
A target ring road corresponding preset signals control program when reaching default slow stifled and requiring is believed respectively as the target of target ring road
When number control program, it is used for:
Machine learning model is run according to the traffic characteristic parameters of target ring road for each target ring road, to obtain
Slow stifled control effect of the target ring road under each preset signals control program, and the slow of each target ring road is blocked up into control effect
Fruit reaches default and delays corresponding preset signals control program when stifled require, respectively as the echo signal of each target ring road
Control program；
Wherein, machine learning model is included in traffic characteristic parameters and slow stifled control under each preset signals control program
Changing rule between effect.
In an alternative embodiment, processor 41 is being directed to each target ring road, is joined according to the traffic characteristic of target ring road
Number is also used to before running machine learning model:
Based on multiple and different emulation congestion scenes, obtain each emulation congestion scene it is corresponding at least one wait for
Control the traffic characteristic parameters of ring road；
According to the traffic characteristic parameters of each emulation at least one corresponding ring road to be controlled of congestion scene, emulation
The slow stifled control that each of each emulation congestion scene ring road to be controlled generates respectively under several preset signals control programs
Effect processed；
According to the traffic characteristic parameters of each emulation at least one corresponding target ring road of congestion scene, Yi Jifang
Each of each emulation congestion scene really obtained ring road to be controlled generates respectively under several preset signals control programs
Slow stifled control effect, model training is carried out, to obtain machine learning model.
In an alternative embodiment, processor 41 is according to each at least one corresponding mesh of emulation congestion scene
The traffic characteristic parameters of ring road are marked, and emulate each of each emulation congestion scene obtained ring road to be controlled several
The slow stifled control effect generated respectively under a preset signals control program, carries out model training, to obtain machine learning model
When, it is used for:
The each emulation congestion scene obtained from emulation generates slow stifled respectively under several preset signals control programs
Control effect is determined to reach default slow stifled desired slow stifled control effect；
Using the traffic characteristic parameters of each emulation corresponding target ring road of congestion scene as input parameter, with imitative
The each emulation congestion scene really obtained reaches default slow block up and requires as target, and requires corresponding letter with default slow block up
Number control program carries out model training, as output to obtain machine learning model.
In an alternative embodiment, the efficacy parameter in slow stifled control effect includes: emulation congested link and circle to be controlled
The whole traffic delay degree in the region that road is constituted, and/or, emulate the flow of the output traffic flow of congested link；
When slow stifled control effect includes the flow of traffic delay degree and output traffic flow, processor 41 is carrying out mould
Before type training, it is also used to:
The respective weight of flow of traffic delay degree and output traffic flow in the slow stifled control effect of setting, according to friendship
Logical delay degree and the respective weight of flow of output traffic flow determine default slow stifled requirement.
Further, as shown in figure 4, the electronic equipment further include: communication component 42, display 43, power supply module 44 etc. its
Its component.Members are only schematically provided in Fig. 4, are not meant to that electronic equipment only includes component shown in Fig. 4.
Wherein, it is wired or wireless between equipment and other equipment where communication component 42 is configured to facilitate communication component
The communication of mode.Equipment where communication component can access the wireless network based on communication standard, such as WiFi, 2G or 3G or it
Combination.In one exemplary embodiment, communication component 42 receives via broadcast channel and comes from external broadcasting management system
Broadcast singal or broadcast related information.In one exemplary embodiment, communication component further includes near-field communication (NFC) mould
Block, to promote short range communication.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) can be based in NFC module
Technology, ultra wide band (UWB) technology, bluetooth (BT) technology and other technologies are realized.
Wherein, display 43 includes screen, and screen may include liquid crystal display (LCD) and touch panel (TP).Such as
Fruit screen includes touch panel, and screen may be implemented as touch screen, to receive input signal from the user.Touch panel
Including one or more touch sensors to sense the gesture on touch, slide, and touch panel.The touch sensor can be with
Not only sense the boundary of a touch or slide action, but also detect the duration associated with the touch or slide operation and
Pressure.
Wherein, power supply module 44, the various assemblies of equipment provide electric power where power supply module.Power supply module can wrap
Include power-supply management system, one or more power supplys and other with the equipment where power supply module generate, manage, and distribute electric power
Associated component.
Correspondingly, the embodiment of the present application also provides a kind of computer readable storage medium for being stored with computer program, meter
Calculation machine program, which is performed, can be realized each step that can be executed by electronic equipment in above method embodiment.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer journey
Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the application
The form of embodiment.Moreover, it wherein includes the calculating of computer usable program code that the application, which can be used in one or more,
The computer program implemented in machine usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions each in flowchart and/or the block diagram
The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computers
Processor of the program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute
For realizing the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram
Device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that instruction stored in the computer readable memory generation includes
The manufacture of command device, the command device are realized in one box of one or more flows of the flowchart and/or block diagram
Or the function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that
Series of operation steps are executed on computer or other programmable devices to generate computer implemented processing, thus calculating
The instruction executed on machine or other programmable devices is provided for realizing in one or more flows of the flowchart and/or side
The step of function of being specified in block diagram one box or multiple boxes.
In a typical configuration, calculate equipment include one or more processors (CPU), input/output interface,
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any side
Method or technology realize that information stores.Information can be computer readable instructions, data structure, the module of program or other numbers
According to.The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory
(SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only memory
(ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory techniques, CD-ROM are read-only
Memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or
Other magnetic storage devices or any other non-transmission medium, can be used for storage can be accessed by a computing device information.It presses
It is defined according to herein, computer-readable medium does not include temporary computer readable media (transitory media), is such as modulated
Data-signal and carrier wave.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method of element, commodity or equipment.
The above is only embodiments herein, are not intended to limit this application.Those skilled in the art are come
It says, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (12)
1. a kind of road delays blocking control method characterized by comprising
The corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle ring road in the input traffic flow and comes
Source；
Each ring road according to the vehicle total amount inputted in traffic flow and vehicle ring road source, from the congested link upstream
Middle at least one target ring road of selection；
For each target ring road, according to the traffic characteristic parameters of the target ring road, and in each preset signals controlling party
Each target ring road is being reached default slow stifled by the changing rule under case between traffic characteristic parameters and slow stifled control effect
It is required that when corresponding preset signals control program respectively as the target ring road echo signal control program；
The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road, with
Alleviate the pressure of the congested link.
2. the method according to claim 1, wherein it is described according to it is described input traffic flow in vehicle total amount and
At least one target ring road is chosen from each ring road of the congested link upstream in vehicle ring road source, comprising:
According to the vehicle total amount inputted in traffic flow and vehicle ring road source, each circle of the congested link upstream is calculated
Ring road accounting of the road in the input traffic flow；
Reach current limliting ratio for target, from each ring road with the sum of the ring road accounting of selected ring road minimum number, and selected ring road
Select at least one target ring road.
3. according to the method described in claim 2, it is characterized in that, described with selected ring road minimum number, and selected ring road
It is target that the sum of ring road accounting, which reaches current limliting ratio, before selecting at least one target ring road in each ring road, further includes:
According to the congestion severity and/or congestion rate of pressure increase of congested link, the current limliting ratio, the current limliting are determined
Ratio is greater than 0 and less than 1.
4. the method according to claim 1, wherein the traffic characteristic parameters of the target ring road include: described
The corresponding ring road accounting of spacing, the target ring road between target ring road and the congested link, the target ring road are most
Big one or more of vehicle store queue ability and the congestion level of the congested link.
5. the method according to claim 1, wherein the control parameter packet in the preset signals control program
Include: signal controls period and/or ring road entrance wagon flow communication split.
6. method according to any one of claims 1 to 5, which is characterized in that it is described to be directed to each target ring road, according to
The traffic characteristic parameters of the target ring road, and traffic characteristic parameters and slow stifled control under each preset signals control program
Changing rule between effect, by each target ring road when reaching default slow stifled and requiring corresponding preset signals controlling party
Echo signal control program of the case respectively as the target ring road, comprising:
Machine learning model is run, to obtain according to the traffic characteristic parameters of the target ring road for each target ring road
Slow stifled control effect of the target ring road under each preset signals control program is stated, and the slow of each target ring road is blocked up into control
Effect processed reaches default and delays corresponding preset signals control program when stifled require, respectively as the mesh of each target ring road
Mark signal timing plan；
Wherein, machine learning model be included under each preset signals control program traffic characteristic parameters and slow stifled control effect it
Between changing rule.
7. according to the method described in claim 6, it is characterized in that, each target ring road is directed to described, according to the target
The traffic characteristic parameters of ring road, run machine learning model before, further includes:
Based on multiple and different emulation congestion scenes, obtaining each emulation congestion scene, corresponding at least one is to be controlled
The traffic characteristic parameters of ring road processed；
According to the traffic characteristic parameters of each corresponding at least one ring road to be controlled of emulation congestion scene, imitate
Each of very each emulation congestion scene ring road to be controlled generates slow stifled respectively under several preset signals control programs
Control effect；
According to the traffic characteristic parameters of each corresponding at least one ring road to be controlled of emulation congestion scene, with
And each of each emulation congestion scene of emulation acquisition ring road to be controlled is distinguished under several preset signals control programs
The slow stifled control effect generated, carries out model training, to obtain machine learning model.
8. the method according to the description of claim 7 is characterized in that described respectively correspond to according to each emulation congestion scene
At least one ring road to be controlled traffic characteristic parameters, and each of each emulation congestion scene that emulation obtains
The slow stifled control effect that ring road to be controlled generates respectively under several preset signals control programs, carries out model training, to obtain
Obtain machine learning model, comprising:
The each emulation congestion scene obtained from the emulation generates slow stifled respectively under several preset signals control programs
Control effect is determined to reach default slow stifled desired slow stifled control effect；
Using the traffic characteristic parameters of each emulation corresponding ring road to be controlled of congestion scene as input parameter, with imitative
The each emulation congestion scene really obtained reaches default slow stifled and requires as target, and with it is described it is default it is slow it is stifled require it is corresponding
Signal timing plan carries out model training, as output to obtain machine learning model.
9. according to the method described in claim 6, it is characterized in that, the efficacy parameter in the slow stifled control effect includes: institute
The whole traffic delay degree in the region that emulation congested link and the ring road to be controlled are constituted is stated, and/or, the emulation is gathered around
The flow of the output traffic flow in stifled section；
When the slow stifled control effect includes the flow of traffic delay degree and output traffic flow, the progress model training it
Before, further includes:
The traffic delay degree in the slow stifled control effect and the respective weight of flow of output traffic flow are set, according to traffic
Delay degree and the respective weight of flow of output traffic flow determine that default slow block up requires.
10. a kind of slow stifled control system of road, which is characterized in that including collector, controller and the signal lamp on ring road；
The collector is used to acquire input traffic flow of the congested link in a preset time and by the collected input
Traffic flow is sent to the controller；
The controller counts the vehicle in the input traffic flow for obtaining the corresponding input traffic flow of the congested link
Total amount and vehicle ring road source；According to the vehicle total amount inputted in traffic flow and vehicle ring road source, from the congestion
At least one target ring road is chosen in each ring road of section upstream；For each target ring road, according to the target ring road
Traffic characteristic parameters, and the variation between traffic characteristic parameters under each preset signals control program and slow stifled control effect
Rule, using each target ring road when reaching default slow stifled and requiring corresponding preset signals control program as described
The echo signal control program of target ring road；And the echo signal control program of the target ring road is sent to the signal
Lamp；
The signal lamp on the target ring road according to the echo signal control program for working, with respectively
Control the passage and/or pause of traffic flow on the target ring road.
11. a kind of electronic equipment, which is characterized in that including memory and controller；
The memory, for storing computer program；
The processor, for executing the computer program in the memory, to be used for:
The corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle ring road in the input traffic flow and comes
Source；
Each ring road according to the vehicle total amount inputted in traffic flow and vehicle ring road source, from the congested link upstream
Middle at least one target ring road of selection；
For each target ring road, according to the traffic characteristic parameters of the target ring road, and in each preset signals controlling party
Each target ring road is being reached default slow stifled by the changing rule under case between traffic characteristic parameters and slow stifled control effect
It is required that when corresponding preset signals control program respectively as the target ring road echo signal control program；
The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road, with
Alleviate the pressure of the congested link.
12. a kind of computer readable storage medium for storing computer instruction, which is characterized in that when the computer instruction is by one
When a or multiple processors execute, one or more of processors is caused to execute following movement:
The corresponding input traffic flow of congested link is obtained, and counts vehicle total amount and vehicle ring road in the input traffic flow and comes
Source；
Each ring road according to the vehicle total amount inputted in traffic flow and vehicle ring road source, from the congested link upstream
Middle at least one target ring road of selection；
For each target ring road, according to the traffic characteristic parameters of the target ring road, and in each preset signals controlling party
Each target ring road is being reached default slow stifled by the changing rule under case between traffic characteristic parameters and slow stifled control effect
It is required that when corresponding preset signals control program respectively as the target ring road echo signal control program；
The traffic flow on each target ring road is controlled respectively according to the echo signal control program of each target ring road, with
Alleviate the pressure of the congested link.
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| CN201810764762.7A CN109300316B (en) | 2018-07-12 | 2018-07-12 | Road blockage relieving control method, system and equipment |
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