CN108091147A - Wagon flow monitoring method based on satellite positioning Tachographs terminal - Google Patents
Wagon flow monitoring method based on satellite positioning Tachographs terminal Download PDFInfo
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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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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Abstract
The present invention relates to traffic management technology fields, provide a kind of wagon flow monitoring method based on satellite positioning Tachographs terminal, the adjustment of traffic lights can be carried out according to the vehicle flowrate at crossing and pedestrian's number, to achieve the purpose that dredge crossing, including herein below：S1, car statistics：S2, demographics：The number acquisition module of statistical system shoots the pedestrian at crossing, and processing module carries out quantity to photographing information and obtains number information, which is stored in S3 in the memory module of statistical system, road conditions statistics and S4：Street lamps control.
Description
Technical field
The present invention relates to traffic management technology fields, are specially a kind of wagon flow based on satellite positioning Tachographs terminal
Monitoring method.
Background technology
With the deep reform of economic construction and high speed development, especially prominent is the development of urban economy.Motor vehicle is total
Amount is continuously increased, and urban population increases substantially, and causes big and medium-sized cities traffic jam, the phenomenon that traffic order is chaotic getting worse,
And the traffic lights of the crossing installation on road have become the most common and most effective means of the vehicle that relieves traffic congestion.Traffic lights are made
For the signal lamp of road traffic, it is generally arranged at the intersections such as busy cross, T-shaped, can guiding vehicle and pedestrains safety
It passes through in an orderly manner, tells pedestrian and vehicular traffic, when can walk, when cannot walk, can thus strengthen road
Traffic administration reduces traffic accident, improves road occupation efficiency.For traffic safety, needed when pedestrian goes across the road tight
Lattice abide by the rule of " green light row, red light stop ".
In order to determine the distribution of the time of traffic lights, it is necessary to be measured to the magnitude of traffic flow at the crossing, including pedestrian, non-machine
Then motor-car and motor vehicle etc. calculate the various magnitudes of traffic flow of all directions and top flow in a period, according to
The rule of the magnitude of traffic flow runs the required time to calculate them, finally determines to locate the time of the crossing red light and green light.But
It is that with the foundation of traffic lights, " making a dash across the red light " time that repeated also rises to serious traffic problems, although there is many people
Think the problem of running red light at random is self diathesis, but pass through investigation and find, this phenomenon is also provided with the time of traffic lights
Direct relation, we can not pass by crossing within the time of green light sometimes, so that the green light twice such as need, although this
When there is no vehicle processes；And green time is really very long sometimes, so that there is the situation of congested with cars, even at this time
There is no pedestrians to need through crossing；So, final result is exactly that either pedestrian or driver is more or less
The time of traffic lights will be distributed has a little discontented and complaint, and for pedestrian or driver, they are more desirably
The time distribution of red street lamp can be more humane, when no automobile or pedestrian, without waiting the so long time even again
Be do not have to etc. so, can both meet the needs of pedestrian and driver directly by crossing, while can also delay
The jam situation of road is solved, realizes the wagon flow monitoring to road.Therefore, the hommization distribution of traffic light time how is realized
As a new research direction.
The content of the invention
It, can be according to road the invention is intended to provide a kind of wagon flow monitoring method based on satellite positioning Tachographs terminal
Vehicle flowrate and pedestrian's number at mouthful carry out the adjustment of traffic lights, to achieve the purpose that avoid crossing to block.
The present invention provides base case：Based on the wagon flow monitoring method of satellite positioning Tachographs terminal, including with
Lower content：
S1, car statistics：
S1-1, automobile data recorder terminal-pair vehicle navigate, and when vehicle is by the measuring system of installation at crossing, survey
The reader of amount system reads the identification code data for the RFID label tag installed in automobile data recorder terminal；
S1-2, when reader reads an identification code data, the counting module of measuring system counts once, and sends
Count information is to statistical module；
The quantity information of the count information production vehicle of S1-3, processing module in statistical module, memory module is to this
Quantity information is stored；
S2, demographics：Number acquisition module shoots the pedestrian at crossing, and processing module is to photographing information into line number
Number information is measured, which is stored in memory module；
S3, road conditions statistics：
S3-1, memory module prestore vehicle standard value, and processing module is by the quantity information of memory module memory storage and in advance
The vehicle standard value deposited is compared, and when quantity information is more than or equal to vehicle standard value, the first congestion signal of output is to comparing
Module, when quantity information is less than vehicle standard value, the first unobstructed signal of output to comparison module；
S3-2, memory module also prestore number standard value, processing module by the number information of memory module memory storage with
Number standard value is compared, when number information is more than or equal to number standard value, the second congestion signal of output to comparison module；
When number information is less than number standard value, the second unobstructed signal of output to comparison module；
S4：Street lamps control：
Two signals that S4-1, comparison module send the processing module received are compared, in two received
When signal is the first congestion signal and the second congestion signal, control system output of the comparison module to traffic lights is controlling traffic lights just
The first right of way signal often run；
S4-2, when two signals received are the first congestion signal and the second unobstructed signal, comparison module is to red green
The control system output control traffic lights of lamp turn to the first variable signal of green light；
S4-3, when two signals received are the first unobstructed signal and the second congestion signal, comparison module is to red green
The control system output control traffic lights of lamp rotate the second variable signal of when red；
S4-4, when two signals received are the first unobstructed signal and the second unobstructed signal, comparison module is to red green
Second right of way signal of the control system output control traffic lights normal operation of lamp.The operation principle of base case：In S1, measurement
System is for being counted to the vehicle number at crossing, and the RFID label tag in automobile data recorder terminal is as the vehicle
An identification volume mark, the RFID label tag used is made of coupling element and chip, and each RFID label tag has
Unique electronic code, is attached on object and identifies target object, is commonly called as electronic tag or intelligent label, that is to say, that RFID
Label has uniqueness, so the object counted using the identification code data of RFID label tag, ensure that the accuracy of counting；
Whether in S3, memory module has vehicle standard value, using the vehicle standard value of storage as judging road in gathering around
The standard of stifled state, when the quantity information for the vehicle that statistical module counts arrive is greater than or equal to this vehicle standard value,
Also the road that just represent at this time is congestion, it is necessary to let pass to achieve the purpose that dredge road to vehicle, therefore from driving
, it is necessary to which green light is lighted for the angle for the person of sailing；On the other hand, memory module also has number standard value, with the number mark of storage
Standard of the quasi- value as pavement congestion, is greater than or equal to number standard value in the number information that number acquisition module counts on
When, it is more that also just represent needs the pedestrian through crossing at this time, and needs to let pass to reach dredging people's row to pedestrian
The purpose in road is that point is needed to send out a warning at this time for the angle of pedestrian；Therefore, the quantity in S3 also to the vehicle counted on
The number information of information and pedestrian compare, and the situation of automobile and pedestrian's quantity has been divided into congestion and unobstructed respectively；
It in S4, is compared using comparison module, since road and pavement can be divided into congestion and two kinds unimpeded respectively
State, therefore, comparison module relatively after result one meet together including four kinds of results：A, received signal for the first congestion signal and
Second congestion signal, it is all congestion to represent road at this time and pavement, and automobile and pedestrian are required for being dredged, therefore
In this case, the first right of way signal of the signal traffic lights normal operation in order to control exported to the control system of traffic lights, it is red
Green light normal operation, automobile and pedestrian's normal pass；B, the signal received be the first congestion signal and the second unobstructed signal, generation
The road that table at this time is congestion and pavement is unobstructed, is also meaned that in this state, it is necessary to which dredging is
The automobile of road, that is to say, that be that point is needed to give a green light to realize the purpose of dredging road, therefore comparison module at this time at this time
The first variable signal of green light, the control system control of traffic lights are turned to the control system output control traffic lights of traffic lights
Green light processed is lighted, and is let pass to automobile, dredges road；C, the signal received is believed for the first unobstructed signal and the second congestion
Number, the road that represent at this time is unobstructed and pavement is congestion, it is meant that in this state, pedestrian is to be badly in need of dredging
, therefore comparison module at this time turns to the second variation letter of when red to the control system output control traffic lights of traffic lights
Number, red light is lighted, and is let pass to pedestrian, dredges pavement；D, the signal received is that the first unobstructed signal and second are unobstructed
Signal, it is all unobstructed to represent road at this time and pavement, need not all be dredged, therefore in this case, it is red green
Lamp simultaneously need not be to any change, traffic lights normal operation, automobile and pedestrian's normal pass.
The advantageous effect of base case is：1. in this method, by setting RFID in common automobile data recorder terminal
Label is identified RFID label tag using reader, so as to fulfill the counting to vehicle, realizes the statistics of road vehicle, with
This determines the jam situation of road, while also the jam situation of pedestrian is determined, to automobile quantity and pedestrian's quantity two
The computing of aspect controls the operation of traffic lights according to operation result, to realize the purpose of dredging automobile or pedestrian in time,
Ensure the monitoring effect to wagon flow；
2. it is a chip built in the RFID label tag used, the ID that built-in chip has them exclusive, therefore each
RFID label tag has individual UID labels, is typically bundled in some product and some RFID label tag (having unique ID)
One piece, be to bind together the automobile data recorder terminal on automobile with RFID label tag in this programme, is to belong to one between them
The relation of kind of binding, like being to be assigned with a unique identification card number to each automobile, there is UID, also can be to avoid
During due to occurring with vehicle or parallel two vehicles, when passing through measuring system, measuring system false statistic is situation once, ensure that system
Count the accuracy of result.
Preferred embodiment one：Based on scheme it is preferred, in S4, time delay module receiving comparison module transmission first
After variable signal, the first delay of green light is rotated after control system output control traffic lights delay a period of time of traffic lights
Signal.Advantageous effect：May be to go to green light from when red when giving a green light in view of point, in this case, if
It is directly to turn to the state that green light lights from the state of when red, it is possible to the feelings that pedestrian is also passing through road occur
Therefore condition, gives a green light by using time delay module delay point, ensures that pedestrian can smooth road.
Preferred embodiment two：Preferably one it is preferred, in S4, alarm module is receiving the of comparison module transmission
Alarm signal is sent after one variable signal.Advantageous effect：Pedestrian is reminded quickly through crossing using alarm signal, while cooperation is prolonged
When module delay operation, ensure the safety of pedestrian.
Preferred embodiment three：Based on scheme it is preferred, in S4, time delay module receiving comparison module transmission second
After variable signal, the second delay of when red is rotated after control system output control traffic lights delay a period of time of traffic lights
Signal.Advantageous effect：May be to go to when red from green light when sending out a warning in view of point, in this case, if
It is directly to turn to the state that red light lights from the state of green light, it is possible to which automobile may accelerate to pass through the feelings at crossing
Condition is just at this time that automobile urgent brake vehicle is also impossible to accomplish to stop in real time, nor using safe driving, therefore by prolonging
When module realize delay point send out a warning, crossing is passed through to realize automobile with this, ensure that the safe driving of automobile.
Preferred embodiment four：Preferably three it is preferred, in S4, alarm module is receiving the of comparison module transmission
Alarm signal is sent after two variable signals.Advantageous effect：Using alarm signal automobile is reminded to stop quickly through crossing or in time,
Coordinate the delay operation of time delay module simultaneously, ensure the driving safety of automobile.
Preferred embodiment five：Preferably two or four preferred, the alarm module broadcasting phonetic warning in S4.Beneficial to effect
Fruit：Phonetic warning is played to remind pedestrian or driver by alarm module, ensure that warning effect.
Description of the drawings
Fig. 1 is the present invention is based on the prisons used in the wagon flow monitoring method embodiment of satellite positioning Tachographs terminal
The module frame chart of control system.
Specific embodiment
Below by the further details of explanation of specific embodiment：
Based on the wagon flow monitoring method of satellite positioning Tachographs terminal, comprise the following steps：
S1, car statistics：
S1-1, automobile data recorder terminal-pair vehicle navigate, and when vehicle is by the measuring system of installation at crossing, survey
The reader of amount system reads the identification code data for the RFID label tag installed in automobile data recorder terminal；
S1-2, when reader reads an identification code data, the counting module of measuring system counts once, and sends
Count information is to statistical module；
The quantity information of the count information production vehicle of S1-3, processing module in statistical module, memory module is to this
Quantity information is stored；
S2, demographics：Number acquisition module shoots the pedestrian at crossing, and processing module is to photographing information into line number
Number information is measured, which is stored in memory module；
S3, road conditions statistics：
S3-1, memory module prestore vehicle standard value, and processing module is by the quantity information of memory module memory storage and in advance
The vehicle standard value deposited is compared, and when quantity information is more than or equal to vehicle standard value, the first congestion signal of output is to comparing
Module, when quantity information is less than vehicle standard value, the first unobstructed signal of output to comparison module；
S3-2, memory module also prestore number standard value, processing module by the number information of memory module memory storage with
Number standard value is compared, when number information is more than or equal to number standard value, the second congestion signal of output to comparison module；
When number information is less than number standard value, the second unobstructed signal of output to comparison module；
S4：Street lamps control：
Two signals that S4-1, comparison module send the processing module received are compared, in two received
When signal is the first congestion signal and the second congestion signal, control system output of the comparison module to traffic lights is controlling traffic lights just
The first right of way signal often run；
S4-2, when two signals received are the first congestion signal and the second unobstructed signal, comparison module is to red green
The control system output control traffic lights of lamp turn to the first variable signal of green light；
S4-3, when two signals received are the first unobstructed signal and the second congestion signal, comparison module is to red green
The control system output control traffic lights of lamp rotate the second variable signal of when red；
S4-4, when two signals received are the first unobstructed signal and the second unobstructed signal, comparison module is to red green
Second right of way signal of the control system output control traffic lights normal operation of lamp.
In order to realize above-mentioned monitoring method, the monitoring system used in the present embodiment includes the driving being arranged on automobile note
Instrument is recorded, automobile data recorder includes the shell being mounted on automobile and the navigation module for navigating to automobile；Such as Fig. 1 institutes
Show, further include the measuring system for being counted to the vehicle passed by, measuring system includes RFID label tag, reader and counting
Module, RFID label tag, installation is on the shell；Reader, at crossing, for being carried out to the identification code data of RFID label tag
It reads；Counting module for being counted to the automobile passed by, is once counted when reader carries out a read operation
Number, and send count information to statistical module；
Statistical module, for being counted to the automobile at crossing and pedestrian's number, processing module receives for basis
The quantity information of the count information generation vehicle counted in statistical module；Memory module, for the vehicle to statistical module counts
Quantity information stored；Number acquisition module, for being shot to the pedestrian at crossing, processing module gathers number
The video information taken of module obtains number information after being handled, memory module is additionally operable to deposit the number information
Storage；Memory module is stored with vehicle threshold value and number threshold value；Processing module, for by the number of the vehicle of memory module memory storage
Information and number information are measured respectively compared with the vehicle threshold value of memory module and number threshold value, is more than or equal in quantity information
During vehicle threshold value, the first congestion signal is exported to comparison module, when quantity information is less than vehicle threshold value, is exported to comparison module
First unobstructed signal when number information is more than or equal to number threshold value, exports the second congestion signal to comparison module, believes in number
When breath is less than number threshold value, the second unobstructed signal is exported to comparison module；
Comparison module for being compared to two signals that the processing module received is sent, is gathered around receiving first
Control system output when stifled signal and from the second congestion signal to traffic lights controls the first right of way signal of traffic lights normal operation,
It is green that control system output when receiving the first congestion signal and from the second unobstructed signal to traffic lights controls traffic lights to turn to
The first bright variable signal of lamp is exported when receiving the first unobstructed signal and the second congestion signal to the control system of traffic lights
Traffic lights is controlled to rotate the second variable signal of when red, when receiving the first unobstructed signal and the second unobstructed signal to red green
Second right of way signal of the control system output control traffic lights normal operation of lamp；Time delay module, for the control to traffic lights
System output control traffic lights delay a period of time turns to when red or the time delayed signal of green light, and be delayed mould in the present embodiment
The delay time of block is arranged to 5 seconds；Alarm module sends warning letter after the first variable signal or the second variable signal is received
Number, buzzer is selected in the present embodiment as alarm module, when receiving the first change information or the second variable signal, warning
Module plays caution sound.Service system service system system
In S1, measuring system is for being counted to the vehicle number at crossing, and in the present embodiment, measuring system is installed
At 500 meters apart from crossing, an identification of the RFID label tag as the vehicle in automobile data recorder terminal
Volume mark has uniqueness, so the object counted using the identification code data of RFID label tag, ensure that the standard of counting
True property；Illustrate, 500 meters of distances referred on automobile front driving direction apart from traffic lights in the present embodiment；
Whether in S3, memory module has vehicle standard value, using the vehicle standard value of storage as judging road in gathering around
The standard of stifled state, when the quantity information for the vehicle that statistical module counts arrive is greater than or equal to this vehicle standard value,
Also the road that just represent at this time is congestion, it is necessary to let pass to achieve the purpose that dredge road to vehicle, therefore from driving
, it is necessary to which green light is lighted for the angle for the person of sailing, vehicle standard value is 80 in the present embodiment, that is to say, that apart from traffic lights 500
When the automobile quantity on road within rice is greater than or equal to 80, the situation of road is judged to congestion status at this time；On the other hand, deposit
Storage module also has number standard value, using the number standard value of storage as the standard of pavement congestion, in number acquisition module
When the number information counted on is greater than or equal to number standard value, also just represent needs the pedestrian through crossing to be at this time
More, and need to let pass to achieve the purpose that dredge pavement to pedestrian, it is to need to light at this time for the angle of pedestrian
Red light, number standard value is 30 in the present embodiment, that is to say, that the number through crossing is waited to be greater than or equal to 30 at crossing
When people, pavement is judged at this time as congestion status；Therefore, also to the quantity information of vehicle that counts on and pedestrian in S3
Number information compares, and the situation of automobile and pedestrian's quantity has been divided into congestion and unobstructed respectively；
It in S4, is compared using comparison module, since road and pavement can be divided into congestion and two kinds unimpeded respectively
State, therefore, comparison module relatively after result one meet together including four kinds of results：A, received signal for the first congestion signal and
Second congestion signal is having the automobile more than or equal to 80, simultaneously on the road within 500 meters of traffic lights at this time
Waiting the number through crossing, road and pavement at this time are all congestions, and automobile and pedestrian need also greater than equal to 30 people
It is dredged, therefore in this case, traffic lights normal operation, automobile and pedestrian's normal pass；B, the signal received is
First congestion signal and the second unobstructed signal are more than or equal to having had on the road within 500 meters of traffic lights at this time
The automobile of 80, and number through crossing is waited to be less than 30 people, the road that represent at this time are congestion and pavement
It is unobstructed, also means that in this state, it is necessary to which what is dredged is the automobile on road, that is to say, that be to need a little at this time
It gives a green light to realize the purpose of dredging road, therefore control system output of the comparison module at this time to traffic lights controls traffic lights
The first variable signal of green light is turned to, it lets pass to automobile, dredges road；C, the signal received is unobstructed for first
Signal and the second congestion signal are having the automobile less than 80 at this time on the road within 500 meters of traffic lights, and are waiting
Through crossing number really more than or equal to 30 people, the road that represent at this time be it is unobstructed and pavement is congestion,
Mean in this state, pedestrian is to be badly in need of dredging, therefore comparison module at this time is exported to the control system of traffic lights
Traffic lights is controlled to rotate the second variable signal of when red, are let pass to pedestrian, dredge pavement；D, the signal received is
First unobstructed signal and the second unobstructed signal are less than 80 in the automobile number on the road within 500 meters of traffic lights at this time,
Simultaneously number through crossing is waited to be less than 30, it is all unobstructed to represent road at this time and pavement, all need not
It is dredged, therefore in this case, traffic lights simultaneously need not be to any change, and comparison module is to the control system of traffic lights
Second right of way signal of output control traffic lights normal operation, traffic lights normal operation, automobile and pedestrian's normal pass.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and with using routine experiment hand before the date
The ability of section, one skilled in the art with reference to self-ability can improve and implement under the enlightenment that the application provides
This programme, some typical known features or known method should not implement the application as one skilled in the art
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, it can also make
Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention is implemented
Fruit and practical applicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for the content for explaining claim.
Claims (6)
1. the wagon flow monitoring method based on satellite positioning Tachographs terminal, it is characterised in that：Including herein below：
S1, car statistics：
S1-1, automobile data recorder terminal-pair vehicle navigate, when vehicle is by the measuring system of installation at crossing, measurement system
The reader of system reads the identification code data for the RFID label tag installed in automobile data recorder terminal；
S1-2, when reader reads an identification code data, the counting module of measuring system counts once, and sends counting
Information is to statistical module；
The quantity information of the count information production vehicle of S1-3, processing module in statistical module, memory module is to the quantity
Information is stored；
S2, demographics：Number acquisition module shoots the pedestrian at crossing, and processing module carries out quantity to photographing information and obtains
To number information, which is stored in memory module；
S3, road conditions statistics：
S3-1, memory module prestore vehicle standard value, and processing module is by the quantity information of memory module memory storage and prestores
Vehicle standard value is compared, when quantity information is more than or equal to vehicle standard value, the first congestion signal of output to comparison module,
When quantity information is less than vehicle standard value, the first unobstructed signal of output to comparison module；
S3-2, memory module also prestore number standard value, and processing module is by the number information of memory module memory storage and number
Standard value is compared, when number information is more than or equal to number standard value, the second congestion signal of output to comparison module；In people
When number information is less than number standard value, the second unobstructed signal of output to comparison module；
S4：Street lamps control：
Two signals that S4-1, comparison module send the processing module received are compared, in two signals received
For the first congestion signal and the second congestion signal when, control system from comparison module to traffic lights output control traffic lights normally transport
The first capable right of way signal；
S4-2, when two signals received are the first congestion signal and the second unobstructed signal, comparison module is to traffic lights
Control system output control traffic lights turn to the first variable signal of green light；
S4-3, when two signals received are the first unobstructed signal and the second congestion signal, comparison module is to traffic lights
Control system output control traffic lights rotate the second variable signal of when red；
S4-4, when two signals received are the first unobstructed signal and the second unobstructed signal, comparison module is to traffic lights
Second right of way signal of control system output control traffic lights normal operation.
2. the wagon flow monitoring method according to claim 1 based on satellite positioning Tachographs terminal, it is characterised in that：
In S4, time delay module exports control after the first variable signal of comparison module transmission is received, to the control system of traffic lights
The first time delayed signal of green light is rotated after traffic lights delay a period of time.
3. the wagon flow monitoring method according to claim 2 based on satellite positioning Tachographs terminal, it is characterised in that：
In S4, alarm module sends alarm signal after the first variable signal of comparison module transmission is received.
4. the wagon flow monitoring method according to claim 1 based on satellite positioning Tachographs terminal, it is characterised in that：
In S4, time delay module exports control after the second variable signal of comparison module transmission is received, to the control system of traffic lights
The second time delayed signal of when red is rotated after traffic lights delay a period of time.
5. the wagon flow monitoring method according to claim 4 based on satellite positioning Tachographs terminal, it is characterised in that：
In S4, alarm module sends alarm signal after the second variable signal of comparison module transmission is received.
6. the wagon flow monitoring method based on satellite positioning Tachographs terminal according to any one of claim 3 or 5,
It is characterized in that：Alarm module in S4 plays phonetic warning.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899530A (en) * | 2020-06-22 | 2020-11-06 | 厦门快商通科技股份有限公司 | Traffic light control method, system, mobile terminal and storage medium |
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