CN107784842A - A kind of traffic flow control system and its control method - Google Patents
A kind of traffic flow control system and its control method Download PDFInfo
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- CN107784842A CN107784842A CN201610756004.1A CN201610756004A CN107784842A CN 107784842 A CN107784842 A CN 107784842A CN 201610756004 A CN201610756004 A CN 201610756004A CN 107784842 A CN107784842 A CN 107784842A
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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
- G08G1/07—Controlling traffic signals
- G08G1/081—Plural intersections under common control
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Abstract
The present invention relates to a kind of traffic flow control system,It includes multiple sensors,Multiple control devices and servomechanism installation,Multiple sensors are respectively arranged at the side of each direction lane at each crossing,And control device corresponding to connecting respectively,Multiple control devices are respectively arranged at the side of each direction lane at each crossing,And connect servomechanism installation,Plurality of sensor senses the road speed of corresponding direction lane respectively,And sensing signal is produced respectively,And sensing signal is respectively transmitted to corresponding control device,Each control device transmits sensing signal to servomechanism installation,Servomechanism installation handles sensing signal respectively,And produce at least one control signal,And at least one control signal is transmitted to corresponding control device,Traffic signal light of the corresponding control device according to corresponding to controlling control signal on direction lane.
Description
Technical field
The present invention relates to a kind of magnitude of traffic flow control technology field, more particularly to a kind of traffic flow control system and its control
Method processed.
Background technology
Controlling Traffic Signals in Urban Roads is primarily referred to as the Traffic signal control of each intersection in city, passes through control
The indication signal of Signal on Highway Cross processed, realize that rational direct traffic or stops circulation row, with reach relief of traffic stream,
Reduce traffic congestion, ensure the generation that is unimpeded, and avoiding traffic accident as far as possible of urban highway traffic, improve road
Road traffic efficiency.
Due to urban traffic network bulky complex, the rational optimal control tool for solving intersection all directions traffic flow
There is larger difficulty, existing traffic signal control method uses timing controlled, and timing controlled refers to certain according to traffic intersection
The magnitude of traffic flow of time predefines all control parameters, and being the shortcomings that this control method can not be according to the reality of the magnitude of traffic flow
Shi Bianhua carries out the control of optimal case.
The content of the invention
For deficiency of the prior art, it is an object of the invention to provide a kind of traffic flow control system and its controlling party
Method.
In order to solve the above-mentioned technical problem, this application discloses a kind of traffic flow control system, it is characterised in that including
Multiple sensors, multiple control devices and servomechanism installation, the multiple sensor are respectively arranged at each of each crossing
The side of direction lane, and control device corresponding to connection respectively, the multiple control device be respectively arranged at it is described each
The side of each direction lane at crossing, and the servomechanism installation is connected, wherein the multiple sensor senses correspondingly respectively
Direction lane road speed, and produce sensing signal respectively, and be respectively transmitted the sensing signal to the corresponding control
Device processed, each control device transmission sensing signal to the servomechanism installation, servomechanism installation handle the sensing respectively
Signal, and at least one control signal is produced, and at least one control signal is transmitted to the corresponding control device, it is right
Traffic signal light of the control device answered according to corresponding to controlling the control signal on the direction lane.
According to the embodiment of the application, above-mentioned multiple sensors are non-visual capturing element.
According to the embodiment of the application, above-mentioned multiple sensors are respectively infrared sensing element.
According to the embodiment of the application, above-mentioned multiple sensors are respectively counter.
The present invention provides a kind of control method of traffic flow control system, and the traffic flow control system is applied to tool
There is the crossing in multiple directions track, it is characterised in that including：The multiple sensor senses the row of each direction lane respectively
Vehicle speed, and sensing signal is produced respectively, and the sensing signal is respectively transmitted to the corresponding control device；It is the multiple
Control device receives the corresponding sensing signal respectively, and is respectively transmitted the sensing signal to the servomechanism installation；It is described
Servomechanism installation handles the corresponding sensing signal that each described control device is transmitted；And the servomechanism installation according to
The multiple sensing signal judges direction lane with maximum road speed in the crossing and with minimum road speed
Direction lane, and calculate the difference of the maximum road speed and the minimum road speed, and judge that the difference is more than
Preset value, the servomechanism installation produces control signal, and transmits the control signal to the corresponding control device, the control
The traffic signal light of device processed direction lane according to corresponding to extending control signal is the time of green light.
According to the embodiment of the application, above-mentioned servomechanism installation produces another control signal, and transmits another control
Signal processed is to the corresponding control device, and the traffic signal light of the direction lane is green corresponding to the control device shortening
The time of lamp.
The present invention provides the control method of another traffic flow control system, and the traffic flow control system is applied to
Multiple crossings, each crossing have multiple directions track, it is characterised in that including：The multiple sensor senses often respectively
The road speed of each direction lane at one crossing, and sensing signal is produced respectively, and it is respectively transmitted the sensing signal
To the corresponding control device；The multiple control device receives the corresponding sensing signal respectively, and is respectively transmitted institute
Sensing signal is stated to the servomechanism installation；It is corresponding described to handle that each described control device transmitted for the servomechanism installation
Sensing signal；And there is maximum row in the servomechanism installation each crossing according to being judged the multiple sensing signal
The direction lane of vehicle speed and the direction lane with minimum road speed, and calculate the maximum road speed and the minimum
The difference of road speed, and judge that the difference is more than preset value, the servomechanism installation produces two control signals, and passes respectively
The corresponding control device of two control signals to each crossing is located at is sent, the control device is according to two controls
The traffic signal light that signal processed extends the corresponding direction lane respectively is the time of green light.
According to the embodiment of the application, the above-mentioned extension traffic signal light is two direction cars of the time of green light
When road is equidirectional, two control devices for being arranged at the side of two direction lanes control two direction lanes
Traffic signal light is converted to green light simultaneously.
Compared with prior art, the application can be obtained including following technique effect：
The traffic flow control system and its control method of the application, by feeling in setting on the direction lane at each crossing
Device is surveyed, sensor senses the road speed of each direction lane at each crossing and produces sensing signal, and by corresponding
Control device transmits sensing signal to servomechanism installation.Servomechanism installation is to caused by each sensor at sensing signal
Reason, judges the direction lane with maximum road speed in each crossing and the direction with minimum vehicle fleet size road speed
Whether track, and difference between the two are more than preset value, and it is green to adjust the traffic signal light on the direction lane at each crossing
The time of lamp, to dredge the vehicle of the small direction lane of road speed, traffic congestion is avoided, reaches the work to control the flow of traffic
With.
Brief description of the drawings
Fig. 1 is the block diagram of the traffic flow control system of the application first embodiment.
Fig. 2 is the setting schematic diagram of the sensor of the application first embodiment.
Fig. 3 is the block diagram of the traffic flow control system of the application second embodiment.
Fig. 4 is the setting schematic diagram of the sensor of the application second embodiment.
Fig. 5 is the block diagram of the traffic flow control system of the embodiment of the application the 3rd.
Fig. 6 is the setting schematic diagram of the sensor of the embodiment of the application the 3rd.
Embodiment
Multiple embodiments of the application, as clearly stated, the details in many practices will be disclosed with schema below
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the application.Also
It is to say, in some embodiments of the application, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures will illustrate it in a manner of simply illustrative in the drawings with component.
On its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, also non-use
To limit the application, it is just for the sake of difference with the component of constructed term description or operation.
Fig. 1 and Fig. 2 is referred to, it is block diagram and the sense of the traffic flow control system 1 of the application first embodiment
Survey the setting schematic diagram of device；As illustrated, the application provides a kind of traffic flow control system 1, the magnitude of traffic flow control of the application
System 1 processed includes two sensors, two control devices and servomechanism installation 12, and two sensors are respectively the first sensor 10a
And the second sensor 10b, two control devices are respectively first control device 11a and second control device 11b.First sensor
10a sets crossing 2, and positioned at the side in first direction track 21, the driving in the first sensor 10a sensing first directions track 21
Speed, and produce the first sensing signal.Second sensor 10b sets crossing 2, and positioned at the side in second direction track 22.The
The road speed in two sensor 10b sensing second directions track 22, and produce the second sensing signal.First control device 11a connects
Connect the first sensor 10a, the control dresses of second control device 11b the second sensors of connection 10b, first control device 11a and second
Put 11b and receive the first sensing signal and the second sensing signal respectively.First control device 11a and second control device 11b connections
Servomechanism installation 12, and the first sensing signal and the second sensing signal are transmitted to servomechanism installation 12.The sense of the processing of servomechanism installation 12 first
Signal and the second sensing signal are surveyed, and calculates the road speed on first direction track 21 and the row on second direction track 22
Vehicle speed.
Servomechanism installation 12 judges the driving speed that the road speed on first direction track 21 is less than on second direction track 22
Degree, and the difference of the road speed on second direction track 22 and the road speed on first direction track 21 is more than preset value,
The first control signal is produced, and transmits the first control signal to first control device 11a.First control device 11a is according to first
Control signal extends the time that the connected traffic signal light on the first direction track 21 is green light, is effectively increased the
The vehicle of one direction lane 21 passes through the time at crossing, the vehicle in dredging first direction track 21.Above-mentioned servomechanism installation 12 more may be used
The second control signal is produced, and transmits the second control signal to second control device 11b, second control device 11b is according to second
The traffic signal light that control signal shortens on second direction track 22 is the time of green light, and shortening is located at second direction track
Traffic signal light on 22 is green time, effectively the efficiency of the vehicle in lifting dredging first direction track 21.
Servomechanism installation 12 judges the driving speed that the road speed on first direction track 21 is more than on second direction track 22
Degree, and the difference of the road speed on first direction track 21 and the road speed on second direction track 22 is more than preset value,
The second control signal is produced, and transmits the second control signal to second control device 11b.Second control device 11b is according to second
Control signal extends the time that the connected traffic signal light on the second direction track 22 is green light, effectively dredges the
The vehicle of two direction lanes 22.Certain servomechanism installation 12 can also produce the first control signal, and transmit the first control signal to the
One control device 11a, first control device 11a shorten the traffic signal light on first direction track 21 according to the first control signal
The efficiency for the vehicle dredged for the time of green light, lifting on second direction track 22.
Servomechanism installation 12 judges that the road speed on first direction track 21 is more than or less than on second direction track 22
Road speed, and the difference of the road speed on first direction track 21 and the road speed on second direction track 22 is less than in advance
If value, will not produce the first control signal or the second control signal, traffic signal light and position on first direction track 21
It is that typical time does not extend in the time that the traffic signal light on second direction track 22 is green light.
Fig. 3 and Fig. 4 is referred to, it is block diagram and the sense of the traffic flow control system 1 of the application second embodiment
Survey the setting schematic diagram of device；As illustrated, the traffic flow control system 1 of above-mentioned embodiment is to be applied to two direction lanes to hand over
The crossing of remittance, the traffic flow control system 1 of present embodiment are applied to the crossing that three direction lanes cross, present embodiment
Traffic flow control system 1 further includes the 3rd sensor 10c and the 3rd control device 11c, and the 3rd sensor 10c is arranged at crossing
2, and positioned at the side in third direction track 23, and connect the 3rd control device 11c.3rd control device 11c connections servo fills
Put 12.The road speed in the 3rd sensor 10c sensing third directions track 23, and the 3rd sensing signal is produced, the 3rd control dress
Put 11c and receive the 3rd sensing signal, and transmit the 3rd sensing signal to servomechanism installation 12.The sensing letter of the processing of servomechanism installation 12 the 3rd
Number, and calculate the road speed in third direction track 23.Servomechanism installation 12 is from the road speed in first direction track 21, second
The road speed of direction lane 22 or the road speed in third direction track 23 judge there is maximum road speed and minimum row
The track of vehicle speed, then servomechanism installation 12 calculate the difference of maximum road speed and minimum road speed.
For example, it is third direction track 23 that servomechanism installation 12, which judges to have the track of maximum road speed, have
The track of minimum road speed is first direction track 21, if the road speed in first direction track 21 and third direction track 23
The difference of road speed be more than preset value, servomechanism installation 12 produces the 3rd control signal, and transmits the 3rd control signal to the
Three control device 11c.3rd control device 11c extends the traffic signal light positioned at third direction track according to the 3rd control signal
For the time of green light, it is to be more than the friendship of other direction lanes the time of green light to make the traffic signal light positioned at third direction track 23
Logical red signal lamp used by rail workers is the time of green light.Servomechanism installation 12 can more produce the first control signal, and transmit the first control signal to first
Control device 11a, first control device 11a shorten the traffic signal light positioned at first direction track 21 according to the first control signal
For the time of green light.
From the foregoing, the traffic flow control system 1 of the application is not only applied to the crossing that two direction lanes cross,
The crossing that multi-direction track crosses is can be applied to, by setting sensor in the crossing 2 of each direction lane, each sensing
The road speed of direction lane corresponding to device sensing, then sensing signal passes through corresponding control caused by each sensor
Device is sent to servomechanism installation 12, and the sensing signal as caused by servomechanism installation 12 by each sensor judges road speed
Most slow direction lane, while judge the driving of the most fast direction lane of road speed and the most slow direction lane of road speed
The difference of speed is more than preset value, and the traffic signal light for extending the most slow direction lane of road speed is the time of green light.
Above-mentioned sensor is non-to use image capture element, but uses infrared sensing element, and it can sense the every of crossing
The temperature of vehicle on one direction lane, and sensing signal is produced, servomechanism installation 12 obtains direction lane according to sensing signal
Infrared nondestructive test, the road speed of each direction lane is calculated by analyzing infrared nondestructive test.Or sensor is
Counter, it is detected in a time interval by the vehicle fleet size in detection area, and then is calculated on current direction lane
Road speed, certain sensor can be other sensing elements, but non-visual capturing element, be repeated no more in this.Above-mentioned sensing
Device can be connected by wireless transmission method with control device, and similarly, control device passes through wireless transmission method and servomechanism installation
12 connections, are greatly reduced system cost.
Fig. 5 and Fig. 6 is referred to, it is block diagram and the sense of the traffic flow control system 1 of the embodiment of the application the 3rd
Survey the setting schematic diagram of device；As illustrated, the traffic flow control system 1 of present embodiment includes multiple sensors, multiple controls
Device and servomechanism installation 12 processed, multiple sensors include the first sensor 10a, the second sensor 10b, the 3rd sensor 10c and
4th sensor 10d, multiple control devices include first control device 11a, second control device 10b, the 3rd control device 10c
And the 4th control device 10d.First sensor 10a and the second sensor 10b is arranged at the first crossing 2a, the first sensor 10a
Positioned at first direction track 21a side, the second sensor 10b is located at second direction track 21b side, the 3rd sensor
10c and the 4th sensor 10d is arranged at the second crossing 2b, and the 3rd sensor 10c is located at the side in first direction track 21, and the 4th
Sensor 10d is located at the side in third direction track 23.First control device 11a and second control device 11b are arranged at first
Crossing 2a, and the first sensor 10a and the second sensor 10b is connected respectively, and connection is located at first direction track 21 respectively
Traffic signal light and the traffic signal light positioned at second direction track 22.3rd control device 11c and the 4th control device 11d are set
The second crossing 2b is placed in, and connects the 3rd sensor 10c and the 4th sensor 10d respectively, and connection is located at first direction respectively
The traffic signal light in track 21 and the traffic signal light positioned at third direction track 23.First control device 11a, the second control dress
Put 11b, the 3rd control device 11c and the 4th control device 11d connections servomechanism installation 12.
First sensor 10a and the second sensor 10b senses the road speed in the first crossing 2a first direction track 21
And the road speed in second direction track 22, and the first sensing signal and the second sensing signal are produced respectively, and it is respectively transmitted
One sensing signal and the second sensing signal are to first control device 11a and second control device 11b.First control device 11a and
Second control device 11b is respectively transmitted the first sensing signal and the second sensing signal to servomechanism installation 12.3rd sensor 10c and
The road speed in the 4th sensor 10d sensing first directions track 21 and the road speed in third direction track 23, and produce respectively
Raw 3rd sensing signal and the 4th sensing signal, and the 3rd sensing signal and the 4th sensing signal are respectively transmitted to the 3rd control dress
Put 11c and the 4th control device 11d.3rd control device 11c and the 4th control device 11d be respectively transmitted the 3rd sensing signal and
4th sensing signal is to servomechanism installation 12.
Servomechanism installation 12 handles the first sensing signal, the second sensing signal, the 3rd sensing signal and the 4th sensing signal, and
The of the first crossing 2a is calculated according to the first sensing signal, the second sensing signal, the 3rd sensing signal and the 4th sensing signal
The road speed of one direction lane 21, the first crossing 2a second direction track 22 road speed, the first of the second crossing 2b
The road speed in the road speed of direction lane 21 and the second crossing 2b third direction track 23.Then servomechanism installation 12 is first sentenced
The road speed in disconnected first crossing 2a first direction track 21 is less than the road speed in its second direction track 22, and the first via
The difference of the road speed and the road speed in its first direction track 21 in mouth 2a second direction track 22 is more than preset value, then
Judge that the road speed in the second crossing 2b first direction track 21 is less than the road speed in its third direction track 23, and second
The difference of the road speed in crossing 2b third direction track 23 and the road speed in its first direction track 21 is more than preset value,
Servomechanism installation 12 produces the first control signal and the 3rd control signal, and is respectively transmitted the first control signal and the 3rd control signal
To first control device 11a and the 3rd control device 11c.First control device 11a and the 3rd control device 11c is respectively according to
The traffic signal light that one control signal and the 3rd control signal extend positioned at the first crossing 2a first direction track 21 is green light
Time and time that traffic signal light positioned at the second crossing 2b first direction track 21 is green light, while control the first via
The traffic signal light in mouth 2a first direction track 21 and the traffic signal light in the second crossing 2b first direction track 21 switch to
Green light, that is, allow equidirectional two first direction tracks 21 traffic signal light and meanwhile switch to green light, make first direction track 21
Unimpeded situation is maintained, effectively evacuates the vehicle in first direction track 21.Another servomechanism installation 12 can produce the second control signal and the
Four control signals, and the second control signal and the 4th control signal are respectively transmitted to the control dresses of second control device 11b and the 4th
Put the traffic number that 11d, second control device 11b and the 4th control device 11d shorten the first crossing 2a second direction track 22
The traffic signal light in will lamp and the second crossing 2b third direction track 23 is the time of green light.
Another situation, if servomechanism installation 12 judges that the road speed in the second crossing 2b third direction track 23 is less than it
The road speed in first direction track 21, the road speed in first direction track 21 and the road speed in third direction track 23
Difference is more than preset value, and servomechanism installation 12 produces the 4th control signal, and transmits the 4th control signal to the 4th control device
11d, the 4th control device 11d according to the 4th control signal extend the traffic signal light in third direction track 23 for green light when
Between.Now servomechanism installation 12 judges that the road speed in the first crossing 2a first direction track 21 is less than its second direction track 22
Road speed, the difference of the road speed in second direction track 22 and the road speed in first direction track 21 is more than default
Value, servomechanism installation 12 only produce the first control signal, and transmit the first control signal to first control device 11a.First control
Device 11a according to the first control signal extend the first crossing 2a first direction track 21 traffic signal light for green light when
Between, servomechanism installation 12 does not produce the 3rd control signal, and the traffic signal light for making the second crossing 2b first direction track 23 is green
The time of lamp is typical time, does not influence the efficiency in the first crossing 2a dredging first directions track 23 so.
In summary, in one or more embodiments of the application, the traffic flow control system of the application and its control
Method, by the way that in setting sensor on the direction lane at each crossing, sensor senses each direction lane at each crossing
Road speed and produce sensing signal, and pass through corresponding control device and transmit sensing signal to servomechanism installation.Servomechanism installation
Sensing signal caused by each sensor is handled and compared analysis, judge that there is maximum driving in each crossing
Whether the direction lane of speed and the direction lane with minimum road speed, and difference between the two are more than preset value, adjustment
Traffic signal light on the direction lane at each crossing is the time of green light, to dredge the car of the small direction lane of road speed
, avoid traffic congestion, have the function that to control the flow of traffic, with road speed calculate intra zone traffic signal light transferring signals with
Each traffic signal lamp coordinates, and reaches road vehicles and reduce the time for waiting red light, further reaches the purpose for reducing traffic congestion.On
State sensor to be connected with control device by wireless transmission method, similarly, control device is by wireless transmission method with watching
Clothes put connection, and such all signals are to be wirelessly transferred synchronization, and instant computing goes out the scheme of most fast dredging wagon flow, makes neighbouring
Traffic signal light is according to most the scheme of dredging wagon flow performs soon.
The upper only presently filed embodiment, is not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.All any modifications made in spirit herein and principle, it is equal
Replace, improve etc., it all should be included within the scope of claims hereof.
Claims (8)
- A kind of 1. traffic flow control system, it is characterised in that including multiple sensors, multiple control devices and servomechanism installation, The multiple sensor is respectively arranged at the side of each direction lane at each crossing, and is controlled respectively corresponding to connection Device, the multiple control device are respectively arranged at the side of each direction lane at each crossing, and connect institute Servomechanism installation is stated, wherein the multiple sensor senses the road speed of corresponding direction lane respectively, and produces sensing respectively Signal, and the sensing signal is respectively transmitted to the corresponding control device, each control device transmission sensing signal is extremely The servomechanism installation, the servomechanism installation handle the sensing signal respectively, and produce at least one control signal, and transmit institute At least one control signal to the corresponding control device, the corresponding control device is stated to be controlled according to the control signal Traffic signal light on the corresponding direction lane.
- 2. traffic flow control system according to claim 1, it is characterised in that the multiple sensor is picked to be non-visual Take element.
- 3. traffic flow control system according to claim 2, it is characterised in that the multiple sensor is respectively infrared Line sensing element.
- 4. traffic flow control system according to claim 2, it is characterised in that the multiple sensor is respectively to count Device.
- 5. a kind of control method of traffic flow control system as claimed in claim 1, the traffic flow control system should For the crossing with multiple directions track, it is characterised in that including：The multiple sensor senses the road speed of each direction lane respectively, and produces sensing signal respectively, and respectively The sensing signal is transmitted to the corresponding control device；The multiple control device receives the corresponding sensing signal respectively, and is respectively transmitted the sensing signal and is watched to described Clothes are put；The servomechanism installation handles the corresponding sensing signal that each described control device is transmitted；AndThe servomechanism installation judges the direction car in the crossing with maximum road speed according to the multiple sensing signal Road and the direction lane with minimum road speed, and calculate the difference of the maximum road speed and the minimum road speed Value, and judge that the difference is more than preset value, the servomechanism installation produces control signal, and transmits the control signal to correspondingly The control device, the traffic signal light of control device direction lane according to corresponding to extending control signal is green The time of lamp.
- 6. the control method of traffic flow control system according to claim 5, it is characterised in that also include：The servomechanism installation produces another control signal, and transmits another control signal to the corresponding control device, The traffic signal light of the direction lane corresponding to the control device shortening is the time of green light.
- 7. a kind of control method of traffic flow control system as claimed in claim 1, the traffic flow control system should For multiple crossings, each crossing has multiple directions track, it is characterised in that including：The multiple sensor senses the road speed of each direction lane at each crossing respectively, and produces sensing respectively Signal, and the sensing signal is respectively transmitted to the corresponding control device；The multiple control device receives the corresponding sensing signal respectively, and is respectively transmitted the sensing signal and is watched to described Clothes are put；The servomechanism installation handles the corresponding sensing signal that each described control device is transmitted；AndWith maximum road speed in the servomechanism installation each crossing according to being judged the multiple sensing signal Direction lane and the direction lane with minimum road speed, and calculate the maximum road speed and the minimum road speed Difference, and judge that the difference is more than preset value, the servomechanism installation produces two control signals, and is respectively transmitted described two Individual control signal is to the corresponding control device for being located at each crossing, and the control device is according to two control signals point Not Yan Chang corresponding to the direction lane traffic signal light be green light time.
- 8. control method according to claim 7, it is characterised in that extend the time that the traffic signal light is green light When two direction lanes are equidirectional, described two of two control devices control of the side of two direction lanes is arranged at The traffic signal light of direction lane is converted to green light simultaneously.
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| CN109035773A (en) * | 2018-08-14 | 2018-12-18 | 江苏智通交通科技有限公司 | The practical current demand association visual analysis method in crossing and system |
| CN110288833A (en) * | 2019-07-15 | 2019-09-27 | 北京航空航天大学 | A kind of vehicle flow detection system based on high-precision infrared sensor array |
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| CN104036644A (en) * | 2014-05-26 | 2014-09-10 | 江苏科技大学 | Intelligent traffic light control system and implementing method thereof |
| CN104021684A (en) * | 2014-06-19 | 2014-09-03 | 奇瑞汽车股份有限公司 | Collaborative vehicular access traffic control system |
| KR20160092959A (en) * | 2016-05-19 | 2016-08-05 | 윤종식 | Method of preventing traffic accidents in crossroad for signal violation and overspeed, and system of the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109035773A (en) * | 2018-08-14 | 2018-12-18 | 江苏智通交通科技有限公司 | The practical current demand association visual analysis method in crossing and system |
| CN109035773B (en) * | 2018-08-14 | 2021-04-30 | 江苏智通交通科技有限公司 | Intersection actual traffic demand association visualization analysis method and system |
| CN110288833A (en) * | 2019-07-15 | 2019-09-27 | 北京航空航天大学 | A kind of vehicle flow detection system based on high-precision infrared sensor array |
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