CN106846841A - A kind of traffic signal devices and traffic control method - Google Patents
A kind of traffic signal devices and traffic control method Download PDFInfo
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- CN106846841A CN106846841A CN201710261662.8A CN201710261662A CN106846841A CN 106846841 A CN106846841 A CN 106846841A CN 201710261662 A CN201710261662 A CN 201710261662A CN 106846841 A CN106846841 A CN 106846841A
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- crossing
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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 present invention relates to a kind of traffic signal devices and traffic control method, recoil simulator includes traffic lights, camera and full blocking type traffic lights violating the regulations, full blocking type traffic lights include control module and the monitoring camera towards ground direction, have communication connection between control module and traffic lights and camera violating the regulations.Monitoring camera shoots crossing photo and forms judgement data, and whether control module is based on resulting number it is judged that there is congestion.When there is congestion, crossing enters blocking state, and the traffic lights of all directions are changed into red light and the source of sound of signal lamp arrangement sends caution sound；After the blocking state at crossing starts the time of setting, camera violating the regulations carries out violating the regulations taking pictures to the new vehicle into crossing；When road junction jam state disappears, source of sound stops sounding, traffic lights and recovers normal condition.The present invention can realize automatically controlling for crossing congestion, solve the problems, such as that traffic police's shortage of manpower and " rushing green light " judge difficult.
Description
Technical field
The invention belongs to transport information technical field, and in particular to a kind of traffic signal devices and traffic control method.
Background technology
The place for being easiest to congestion occur in present road traffic is crossing, usual crossing traffic lights（Traffic lights）
It is controlled.The presence of traffic lights, and the camera of behavior of making a dash across the red light is detected and records, constitute the main control in crossing and patrol
Volume.But in actual use, even if there are traffic lights and monitoring camera in crossing, still often there is jam situation to occur, Er Qieyong
Stifled continuous worsening sometimes, until institute, directive vehicle stops mutually, is at this moment exactly " blocking " that we often say.Occur this
During situation, generally require traffic-police and manually commanded, otherwise jam situation hardly results in alleviation.
Why the phenomenon of " rush green light " is occurred.In simple terms, on the premise of the behavior does not pay for, this is one
Individual prisoner.As a example by profit or loss maxtrix shown in following table, it is assumed that A and B vehicles are in a crossroad elder generation for traffic congestion
The vehicle at crossing is reached from north and south and east-west direction afterwards, serious congestion has occurred in crossing during arrival.When one's own side's traffic lights becomes
After green, they have the two kinds of selections for rushing or not rushing green light.If both sides do not rush, crossing congestion disappears after waiting for 3 unit interval
Lose, both sides can pass through, therefore the profit and loss is -3；If both sides rush, crossing blocks, and slowly moves for 10 unit interval in wagon flow
After pass through；If A rushes B and do not rush, A and follow-up vehicle in the same direction run through in the neutral that B is reserved, and wait for 1 unit interval,
And B waits the vehicle in A directions to pass through always, could pass through after finally waiting for 20 unit interval.
| A vehicles B vehicles | Do not rush | Rush |
| Do not rush | - 3, -3 | - 20, -1 |
| Rush | - 1, -20 | - 10, -10 |
The profit or loss maxtrix that upper table shows has strict dominant strategy for A and B, that is, rush green light, so finally shape
Into Dominant equilibrium（Rush, rush）, so as to cause serious congestion.
For the solution of this kind of congestion commanded using traffic police at present, in traffic police's priority higher than traffic lights
Under the premise of, manually command the motor vehicle in certain direction to pass through, and allow remaining direction to wait.Unfortunately traffic police's staff is limited, for
Most of crossings cannot be garrisoned for a long time.
" rushing green light " behavior is controlled to be related to road junction roadway, vehicle traveling direction and vehicle rail using unartificial mode
Mark, congestion such as define at the judgement of aspect, with compared with high-tech difficulty, corresponding technical scheme are not found at present.
The content of the invention
For the deficiency of prior art, the invention provides a kind of traffic signal devices, it includes traffic lights and disobeys
Chapter camera, it is characterised in that also including the full blocking type traffic lights being arranged at directly over the center of crossing, the full blocking
Formula traffic lights include control module and the monitoring camera towards ground direction, the control module and the traffic signals
There is communication connection between lamp and camera violating the regulations；
The monitoring camera shoots crossing photo and forms judgement data, and whether control module is based on resulting number it is judged that occurring
Congestion；
When there is congestion, crossing enters blocking state, and the traffic lights of all directions are changed into red light and signal lamp arrangement
Source of sound sends caution sound；
After the blocking state at crossing starts the time of setting, camera violating the regulations carries out bat violating the regulations to the new vehicle into crossing
According to；
When road junction jam state disappears, blocking state terminates, and source of sound stops sounding, traffic lights and recovers normal condition.
According to a preferred embodiment, when the ratio between crossing vehicle area occupied and the crossing gross area are more than congestion threshold value
When, the control module judges that congestion occurs in crossing.
According to a preferred embodiment, in blocking state, the full blocking type traffic lights are ceaselessly to crossing
Vehicle area occupied is monitored, when the releasing congestion value of the ratio between crossing vehicle area occupied and the crossing gross area less than setting
When, the control module judges that road junction jam state disappears.
Present invention also offers a kind of traffic control method, it is characterised in that be arranged at the full resistance directly over the center of crossing
Monitoring camera in disconnected formula traffic lights shoots crossing photo and forms judgement data, the full blocking type traffic lights
In control module be based on resulting number it is judged that whether there is congestion；
When there is congestion, crossing enters blocking state, and the traffic lights of all directions are changed into red light and signal lamp arrangement
Source of sound sends caution sound；
After the blocking state at crossing starts the time of setting, camera violating the regulations carries out bat violating the regulations to the new vehicle into crossing
According to；
When road junction jam state disappears, blocking state terminates, and source of sound stops sounding, traffic lights and recovers normal condition.
According to a preferred embodiment, when the ratio between crossing vehicle area occupied and the crossing gross area are more than congestion threshold value
When, the control module judges that congestion occurs in crossing.
According to a preferred embodiment, the scope of the congestion threshold value is 55% to 65%.
According to a preferred embodiment, in blocking state, the full blocking type traffic lights are ceaselessly to crossing
Vehicle area occupied is monitored, when the releasing congestion value of the ratio between crossing vehicle area occupied and the crossing gross area less than setting
When, the control module judges that road junction jam state disappears.
According to a preferred embodiment, the scope of the releasing congestion value is 25% to 35%.
According to a preferred embodiment, after the blocking state at crossing starts 3 to 5 seconds, camera of breaking rules and regulations is to new entrance
The vehicle at crossing carries out violating the regulations taking pictures.
The invention has the advantages that：
The present invention is analyzed for common congestion reason in road traffic, devise a kind of new traffic signal devices and
Corresponding traffic control method.Existing traffic lights and camera violating the regulations are contrasted, this programme is only needed at each crossing
Center increases a camera and control module, automatically controlling for crossing congestion can be realized, so as to solve traffic police's manpower not
Foot and " rushing green light " judge difficult problem.
Brief description of the drawings
Fig. 1 is traffic control method flow chart in the present invention；
Fig. 2 is the crossing schematic diagram of the congestion status that traffic signal devices of the present invention shoot.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Traffic signal devices of the invention include traffic lights and camera violating the regulations, also including being arranged at crossing center just
The full blocking type traffic lights of top, full blocking type traffic lights include that control module and the monitoring towards ground direction are taken the photograph
As head, there is communication connection between control module and traffic lights and camera violating the regulations.
As shown in figure 1, technical scheme is mainly included the following steps that：
Step 1：Outside the normal traffic lights in crossing and camera violating the regulations, a kind of " full blocking " formula traffic lights, peace are set
Mounted in the surface at crossing center, with the whole crossing situation of camera head monitor immediately below sensing.
Step 2：When congestion occurs in crossing, crossing enters blocking state, and the signal lamp of all directions is changed into red light, together
When signal lamp arrangement source of sound send special voice signal, pointing out the vehicle of all directions must not enter back into crossing.
Step 3：After blocking state starts one section of short period, all are forbidden not yet to be entered back into the vehicle at crossing, it is no
Violating the regulations taking pictures then is carried out by direction camera violating the regulations
Step 4：When road junction jam state disappears, blocking state terminates, and source of sound stops sounding, and synchronous signal lamp recovers normal shape
State.
Specifically, as shown in Fig. 2 for every vehicle at crossing, its shape, and shape are shot from top by monitoring camera
Into an approximate rectangular object as illustrated in solid line in figure 2.The safe distance between vehicle is considered, in the four direction of each car
Reserve certain space again, form a bigger dummy object, as shown in dash line in Fig. 2, the area of the object be regarded as by
Occupied by the vehicle.The Virtual Space area that all vehicles are taken is added, if more than as shown in dashed region in Fig. 2
During the certain proportion of the crossing gross area, i.e. when the ratio between crossing vehicle area occupied and the crossing gross area are more than congestion threshold value, be considered as
There is congestion in crossing, into " full blocking " state.The scope of foregoing congestion threshold value is 55% to 65%, is initially set to 60%.
A period of time, is initially set to 3 seconds, if new vehicle enters crossing after blocking state starts, i.e. monitoring
Camera finds object of the new size not less than motor vehicle in the region of crossing, then position occur according to vehicle, by control mould
Block assigns photographing instruction to the camera violating the regulations of the direction.Newly enter crossing vehicle as what lower left in Fig. 2 occurred, use chain-dotted line
Sign, then shot by the camera violating the regulations at left crossing from vehicle tail.
In blocking state, full blocking type traffic lights are ceaselessly monitored to crossing vehicle area occupied, work as road
When the ratio between mouth vehicle area occupied and the crossing gross area are less than the releasing congestion value for setting, then it is assumed that congestion terminates, without time delay,
Signal lamp returns to normal condition, since the green light in certain direction, allows crossing to recover current.It is foregoing release congestion value scope be
25% to 35%, it is initially set to 20%.
The present invention devises a kind of new traffic signals dress for " rushing green light " problem occurred in existing road traffic
Put.On the basis of existing traffic lights and camera violating the regulations, technical scheme is only needed at each crossing
Center increases a monitoring camera and control module, in conjunction with traffic control method of the invention so as to realize crossing congestion
Automatically control, solve the problems, such as that traffic police's shortage of manpower and " rushing green light " judge difficult, while having good practicality.
It should be noted that above-mentioned specific embodiment is exemplary, those skilled in the art can disclose in the present invention
Various solutions are found out under the inspiration of content, and these solutions also belong to disclosure of the invention scope and fall into this hair
Within bright protection domain.It will be understood by those skilled in the art that description of the invention and its accompanying drawing be it is illustrative and not
Constitute limitations on claims.Protection scope of the present invention is limited by claim and its equivalent.
Claims (9)
1. a kind of traffic signal devices, it includes traffic lights and camera violating the regulations, it is characterised in that also including being arranged at road
Full blocking type traffic lights directly over mouthful center, the full blocking type traffic lights include control module and towards ground
The monitoring camera in direction, has communication connection between the control module and the traffic lights and camera violating the regulations,
The monitoring camera shoots crossing photo and forms judgement data, and whether control module is based on resulting number it is judged that occurring
Congestion；
When there is congestion, crossing enters blocking state, and the traffic lights of all directions are changed into red light and signal lamp arrangement
Source of sound sends caution sound；
After the blocking state at crossing starts the time of setting, camera violating the regulations carries out bat violating the regulations to the new vehicle into crossing
According to；
When road junction jam state disappears, blocking state terminates, and source of sound stops sounding, traffic lights and recovers normal condition.
2. traffic signal devices according to claim 1, it is characterised in that when crossing vehicle area occupied and the total face in crossing
When the ratio between product is more than congestion threshold value, the control module judges that congestion occurs in crossing.
3. traffic signal devices according to claim 1 and 2, it is characterised in that in blocking state, the full blocking type
Traffic lights are ceaselessly monitored to crossing vehicle area occupied, when the ratio between crossing vehicle area occupied and the crossing gross area
During less than the releasing congestion value for setting, the control module judges that road junction jam state disappears.
4. a kind of traffic control method, it is characterised in that be arranged in the full blocking type traffic lights directly over the center of crossing
Monitoring camera shoot and crossing photo and form judgement data, the control module in the full blocking type traffic lights is based on
Whether resulting number is it is judged that there is congestion；
When there is congestion, crossing enters blocking state, and the traffic lights of all directions are changed into red light and signal lamp arrangement
Source of sound sends caution sound；
After the blocking state at crossing starts the time of setting, camera violating the regulations carries out bat violating the regulations to the new vehicle into crossing
According to；
When road junction jam state disappears, blocking state terminates, and source of sound stops sounding, traffic lights and recovers normal condition.
5. traffic signal devices according to claim 4, it is characterised in that when crossing vehicle area occupied and the total face in crossing
When the ratio between product is more than congestion threshold value, the control module judges that congestion occurs in crossing.
6. traffic signal devices according to claim 5, it is characterised in that the scope of the congestion threshold value be 55% to
65%。
7. traffic signal devices according to claim 4, it is characterised in that in blocking state, the full blocking type is handed over
Ventilating signal lamp is ceaselessly monitored to crossing vehicle area occupied, when crossing vehicle area occupied is small with the ratio between the crossing gross area
When the releasing congestion value of setting, the control module judges that road junction jam state disappears.
8. traffic signal devices according to claim 7, it is characterised in that the scope of the releasing congestion value be 25% to
35%。
9. traffic signal devices according to claim 4, it is characterised in that when the blocking state at crossing starts 3 to 5 seconds
Afterwards, camera violating the regulations carries out violating the regulations taking pictures to the new vehicle into crossing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710261662.8A CN106846841A (en) | 2017-04-20 | 2017-04-20 | A kind of traffic signal devices and traffic control method |
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| CN201710261662.8A CN106846841A (en) | 2017-04-20 | 2017-04-20 | A kind of traffic signal devices and traffic control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979199A (en) * | 2019-04-10 | 2019-07-05 | 宁波保税区立诚信息技术有限公司 | What a kind of intersection traffic slime flux did well automatically terminates method |
| CN110852662A (en) * | 2018-08-21 | 2020-02-28 | 北京京东尚科信息技术有限公司 | Flow control method and device |
| CN111753748A (en) * | 2020-06-28 | 2020-10-09 | 北京百度网讯科技有限公司 | Signal lamp adjusting method, device, equipment and storage medium |
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| KR20090116172A (en) * | 2008-05-06 | 2009-11-11 | 최상우 | Artificial intelligent vehicle signal controller |
| CN102142197A (en) * | 2011-03-31 | 2011-08-03 | 汤一平 | Intelligent traffic signal lamp control device based on comprehensive computer vision |
| CN104575047A (en) * | 2015-01-09 | 2015-04-29 | 北京尚易德科技有限公司 | System and method for preventing motor vehicle from rushing for green light to block road junction and running red light in reminding mode |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110852662A (en) * | 2018-08-21 | 2020-02-28 | 北京京东尚科信息技术有限公司 | Flow control method and device |
| CN110852662B (en) * | 2018-08-21 | 2024-05-24 | 北京京东尚科信息技术有限公司 | Flow control method and device |
| CN109979199A (en) * | 2019-04-10 | 2019-07-05 | 宁波保税区立诚信息技术有限公司 | What a kind of intersection traffic slime flux did well automatically terminates method |
| CN111753748A (en) * | 2020-06-28 | 2020-10-09 | 北京百度网讯科技有限公司 | Signal lamp adjusting method, device, equipment and storage medium |
| CN111753748B (en) * | 2020-06-28 | 2023-12-08 | 阿波罗智联(北京)科技有限公司 | Signal lamp adjusting method, device, equipment and storage medium |
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Application publication date: 20170613 |