CN106652494A - Traffic light control method and device - Google Patents
Traffic light control method and device Download PDFInfo
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- CN106652494A CN106652494A CN201510736740.6A CN201510736740A CN106652494A CN 106652494 A CN106652494 A CN 106652494A CN 201510736740 A CN201510736740 A CN 201510736740A CN 106652494 A CN106652494 A CN 106652494A
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Abstract
The invention provides a traffic light control method and device. The traffic light control method comprises the steps of acquiring the traffic flow in each traffic direction of an intersection within a preset length of time, wherein the traffic flow comprises a first flow of pedestrians passing the intersection in each traffic direction and a second flow converted by a flow of vehicles passing the intersection in each traffic direction; and determining phase time of traffic light in each traffic direction according to the traffic flow in each traffic direction. According to the embodiment of the invention, the traffic flow of vehicles is equivalent to the traffic flow of pedestrians, and the time of each phase of the traffic light is set by combining the actual traffic flow of pedestrians, so that more pedestrians can be enabled to pass the intersection on the basis of ensuring the traffic efficiency of vehicles, and thus the travel efficiency of the whole city can be improved.
Description
Technical field
The present invention relates to traffic safety technology field, the control method and device of more particularly to a kind of traffic lights.
Background technology
Prior art generally adopts calculated according to the crossing all directions average traffic flow at the parting of the ways
The each phase time of traffic lights for going out, it is therefore an objective to ensure the unimpeded of crossing as far as possible, therefore often vehicle flowrate is big
Direction transit time is longer.
But each phase place of traffic lights calculated according to the crossing all directions average traffic flow in prior art
Time, the data on flows of roadside pedestrian is not counted, have ignored the current demand of pedestrian；And it is different types of
Vehicles passenger carrying capacity is different, and different motor vehicles is not distinguished and treated by existing technical scheme.
The content of the invention
It is an object of the invention to provide the control method and device of a kind of traffic lights, in solving prior art
The setting of traffic lights does not consider that the current demand of pedestrian causes the low problem of walk efficiency.
In order to achieve the above object, the embodiment of the present invention provides a kind of control method of traffic lights, including：
Obtain the traffic flow on each current direction at a crossing in preset duration；The traffic flow includes
Each current side is upwardly through the first flow of the pedestrian at crossing and by each current side upwardly through crossing
The second flow that vehicle flow is converted to；
According to the traffic flow on described each current direction, the phase of the traffic lights on each current direction is determined
The position time.
Wherein, it is described obtain preset duration in a crossing each current direction on traffic flow the step of wrap
Include：
Obtain first flow of each current side upwardly through the pedestrian at crossing in preset duration；
Obtain vehicle flow of each the current side of the preset duration upwardly through crossing；
The vehicle flow is converted to into second flow according to preset rules.
Wherein, the step of vehicle flow being converted to into second flow according to preset rules includes：
The information of vehicles of the vehicle by crossing is obtained, the information of vehicles is at least including the shape and car of vehicle
Size；
The conversion parameter that acquisition is matched with the information of vehicles；
According to the vehicle flow and the conversion parameter, the second flow is determined.
Wherein, according to the vehicle flow and the conversion parameter, include the step of determine the second flow：
The vehicle flow is multiplied with the conversion parameter, the second flow is obtained.
Wherein, the crossing is crossroad, and the current direction includes：Orthogonal first current side
To with the second current direction；
Traffic flow on each current direction described in the basis, determines the traffic lights on each current direction
Phase time the step of include：
According to the traffic flow on the traffic flow on the described first current direction, the second current direction and friendship
The amber light phase time of logical lamp, when determining the red light phase place on the described first current direction and the second current direction
Between and green light phase time.
Wherein, the crossing is crossroad, and the current direction includes：Orthogonal first current side
To with the second current direction；
Traffic flow on each current direction described in the basis, determines the traffic lights on each current direction
Phase time the step of include：
According to traffic flow, traffic on the traffic flow on the described first current direction, the second current direction
Lost time in the amber light phase time and traffic lights a cycle of lamp, determine the described first current direction
With the red light phase time and green light phase time on the second current direction；Wherein, the lost time is to open
Dynamic time delay and the difference of end lag time, the start delay time is to see green light to vehicle launch
Reaction time, the end lag time is that green light closes time for passing through to last car.
The embodiment of the present invention also provides a kind of control device of traffic lights, including：
Acquisition module, for obtaining the traffic flow in preset duration on each current direction at a crossing；Institute
Traffic flow is stated including each current side upwardly through the first flow of the pedestrian at crossing and by each current side
Upwardly through the second flow that the vehicle flow at crossing is converted to；
Determining module, for according to the traffic flow on described each current direction, determining each current direction
On traffic lights phase time.
Wherein, the acquisition module includes：
First acquisition submodule, for obtaining in preset duration each current side upwardly through the pedestrian's at crossing
First flow；
Second acquisition submodule, for obtaining vehicle of each the current side of the preset duration upwardly through crossing
Flow；
3rd acquisition submodule, for the vehicle flow to be converted to into second flow according to preset rules.
Wherein, the 3rd acquisition submodule includes：
Information acquisition unit, for obtaining the information of vehicles of the vehicle by crossing, the information of vehicles is at least
The size of shape and vehicle including vehicle；
Parameter acquiring unit, for obtaining the conversion parameter matched with the information of vehicles；
Determining unit, for according to the vehicle flow and the conversion parameter, determining the second flow.
Wherein, the determining unit includes：
Determination subelement, for the vehicle flow to be multiplied with the conversion parameter, obtains the second
Amount.
Wherein, the crossing is crossroad, and the current direction includes：Orthogonal first current side
To with the second current direction；
The determining module includes：
First determination sub-module, for according to the traffic flow on the described first current direction, the second current side
Traffic flow upwards and the amber light phase time of traffic lights, determine that the described first current direction and second leads to
Red light phase time and green light phase time on line direction.
Wherein, the crossing is crossroad, and the current direction includes：Orthogonal first current side
To with the second current direction；
The determining module includes：
Second determination sub-module, for according to the traffic flow on the described first current direction, the second current side
Lost time in traffic flow upwards, the amber light phase time of traffic lights and traffic lights a cycle,
Determine the red light phase time and green light phase time on the described first current direction and the second current direction；Its
In, the lost time is start delay time and the difference for terminating lag time, the start delay time
To see green light to the reaction time of vehicle launch, the end lag time is that green light is closed to last
The time that car passes through.
The above-mentioned technical proposal of the present invention at least has the advantages that：
In the control method and device of the traffic lights of the embodiment of the present invention, by the way that the traffic flow of vehicle is equivalent
For the traffic flow of pedestrian, and the traffic flow of actual pedestrian is combined arranging each phase place of traffic lights
Time, more pedestrians can be made on the basis of vehicle pass-through efficiency is ensured by crossing, such that it is able to carry
Rise whole city goes out line efficiency.
Description of the drawings
Fig. 1 represents the basic step flow chart of the control method of traffic lights provided in an embodiment of the present invention；
Fig. 2 represents the structural representation of crossroad；
Fig. 3 represents the composition structural representation of the control device of traffic lights provided in an embodiment of the present invention.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention does not consider that the current demand of pedestrian causes walk for the setting of traffic lights in prior art
The low problem of efficiency, there is provided the control method and device of a kind of traffic lights, by by traffic flow of vehicle etc.
Imitate the traffic flow for pedestrian, and the traffic flow of the actual pedestrian of combination to arrange each phase place of traffic lights
Time, more pedestrians can be made on the basis of vehicle pass-through efficiency is ensured by crossing, such that it is able to
Lift whole city goes out line efficiency.
As shown in figure 1, the embodiment of the present invention provides a kind of control method of traffic lights, including：
Step 11, obtains the traffic flow on each current direction at a crossing in preset duration；It is described current
Flow includes that each current side is led to upwardly through the first flow of the pedestrian at crossing and by each current direction
Cross the second flow that the vehicle flow at crossing is converted to；
Step 12, according to the traffic flow on described each current direction, determines the friendship on each current direction
The phase time of logical lamp.
In the above embodiment of the present invention, traffic lights is generally disposed at the junction on two roads of intersection, and one
As can form crossroad (including 4 branches) and fork in the road (including 3 branches, such as T junction
The crossing of structure, crossing of y-type structure etc.).In the specific embodiment of the present invention by taking crossroad as an example, ten
Word crossing is the important component part of urban road, through crossing traffic according to the instruction Jing of signal lamp
Cross crossing, it is to avoid the Pedestrians and vehicles of different directions collides.
There are 12 kinds of vehicle movement modes the crossroad (as shown in Figure 2) of one standard, is respectively straight trip
(Dong-west, Xi-east, north-south, North-south), turn right (east-north, Xi-south, north-west, Nan-east), (east of turning left
- south, west-north, north-east, Nan-west).This 12 kinds of vehicle movement modes can be divided into two communication directions：
1) the current direction of thing：Dong-west, Xi-east, east-north, Xi-south, Dong-south, west-north.
2) the current direction in north and south：North-south, North-south, Nan-east, north-west, north-east, Nan-west.
The pedestrian of crossroad is similar with vehicle straight trip motion mode mainly by zebra stripes by road, i.e.,
Dong-west, Xi-east, north-south, four kinds of motion modes of North-south can equally be divided into the current side of above-mentioned two kind
Upwards.That is the current direction of thing：Dong-west, Xi-east；North and south is passed through direction：North-south, Bei Nan.
It should be noted that the traffic flow on each the current direction described in step 11, its traffic flow
Including the summation of the flow of all motion modes on the current direction.I.e.：It is current on the current direction of thing
Flow includes：From east to west by the flow of the pedestrian at crossing, from west eastwards by the flow of the pedestrian at crossing,
From east to west by the equivalent flow for obtaining of vehicle flow at crossing, from west eastwards by the vehicle flow at crossing
The equivalent flow for obtaining, from north east turn right by the equivalent flow for obtaining of vehicle flow at crossing, from west to
Turn right by the equivalent flow for obtaining of vehicle flow at crossing, the vehicle flow turned left by crossing from east orientation south in south
The equivalent flow for obtaining of amount and the equivalent flow sum for obtaining of vehicle flow northwards turned left by crossing from west.
Preferably, the second flow in step 11 is obtained by the way that vehicle flow to be converted to the traffic flow of pedestrian
Arrive.Its conversion metrics is estimated according to the specific passenger carrying capacity of different types of traffic.
Crossroad needs to arrange two groups of traffic lights, and two groups of traffic lights need different signal controls, that is,
Two different phase places, different phase place independently of one another, does not interfere with each other.Phase place configuration information is mainly signal
Cycle, red time, green time, wherein, the green time last 2-3 seconds are yellow time.Each phase place
Cycle is equal, needs to be separately provided.According to each the current direction obtained in step 11 in the embodiment of the present invention
On traffic flow determine phase time, wherein, traffic flow is bigger, then longer (the i.e. green light of transit time
Time is longer).
Further, step 11 includes in the above embodiment of the present invention：
Step 111, obtains first flow of each current side upwardly through the pedestrian at crossing in preset duration；
Step 112, obtains vehicle flow of described each the current side of preset duration upwardly through crossing；
Step 113, second flow is converted to according to preset rules by the vehicle flow.
The traffic efficiency of the various vehicles is equivalent to into the traffic efficiency of pedestrian in the embodiment of the present invention, and is tied
Close each phase time that each current side arranges traffic lights upwardly through the flow of the pedestrian at crossing.It is then first
The first embodiment of the present invention needs to obtain pedestrian's flow and vehicle flow by step 111 and step 112；Need
Illustrate, its step 111, without strict sequencing, can first obtain pedestrian's flow and obtain again with step 112
Take vehicle flow, also can first obtain vehicle flow and obtain pedestrian's flow again, also can obtain simultaneously pedestrian's flow and
Vehicle flow, here is not especially limited.Specifically, pedestrian's flow that step 111 is obtained is the application
First flow, and step 112 obtain vehicle flow need to be changed according to preset rules, just can obtain
The second flow of the application.
Wherein, its transfer process is specifically, i.e. step 113 includes：
Step 1131, obtains the information of vehicles of the vehicle by crossing, and the information of vehicles at least includes vehicle
Shape and vehicle size；
Step 1132, obtains the conversion parameter matched with the information of vehicles；
Step 1133, according to the vehicle flow and the conversion parameter, determines the second flow.
The above embodiment of the present invention is mainly used in a kind of management system of the current strategy in crossroad, the system
Traffic flow information can be obtained by arranging camera at the parting of the ways, specifically, for vehicle
Speech, can be by being provided with the parameter informations such as shape, the size of different vehicle, root in management system in advance
According to the information of vehicles that camera is obtained, shape, size of vehicle etc. are identified using image processing algorithm,
And matched with the information such as shape, size of vehicle for arranging in management system in advance, according to matching
As a result, a conversion parameter is given to vehicle, Vehicle Flow pedestrian stream can be equivalent to using the conversion parameter
Amount；And for pedestrian, can specifically judge that pedestrian is actually from east by the direction of the face of pedestrian
West is to going across the road or go across the road from North and South direction.
Specifically, step 1133 includes：
The vehicle flow is multiplied with the conversion parameter, the second flow is obtained.
It is illustrated below：
Due to different types of vehicle-mounted volume of passenger traffic difference, in order to calculate the flow of the people by crossing, can be by road
The vehicle of mouth is converted to the traffic flow of pedestrian, wherein it is possible to different vehicles is converted by Transformation Parameters
For different pedestrians, specifically, can be according to the average seating capacity of actual different automobile types by the vehicle at crossing
Be converted to the traffic flow of pedestrian, for example, the pedestrian that can arrange private car is 1.73 by conversion parameter；
The pedestrian of bus is 63.3 by conversion parameter, and the pedestrian of electric motor car is 1.1 by conversion parameter.
Specifically, the traffic flow for passing through crossing from east-west direction in preset duration C is obtained according to equation below：
East-west direction by the traffic flow at crossing be equal to the first flow of the pedestrian that east-west direction passes through crossing with
East-west direction is converted to the second flow sum of pedestrian by the vehicle at crossing, i.e.,：
E1=qp+Σqvi*qi
Wherein, E1 is the traffic flow for passing through crossing from east-west direction in preset duration C, qpFor east-west direction
By the first flow of crossing pedestrian, qviFor vehicle flow of the type for i that east-west direction passes through crossing, qiFor
The pedestrian of the type vehicle passes through conversion parameter.
In the same manner, the traffic flow for passing through crossing from North and South direction in preset duration C is obtained according to equation below：
North and South direction is equal to North and South direction by the first flow of crossing pedestrian and south by the traffic flow at crossing
The north to the second flow sum that pedestrian is converted to by the vehicle at crossing, i.e.,：
E2=qs+∑qsi*qi
E2 is the traffic flow for passing through crossing from North and South direction in preset duration C, qsPass through road for North and South direction
The first flow of the pedestrian of mouth, qsiFor vehicle flow of the type for i that North and South direction passes through crossing, qiFor such
The pedestrian of type vehicle passes through Transformation Parameters.
Further, crossing described in the above embodiment of the present invention is crossroad, the current direction bag
Include：Orthogonal first current direction (thing pass through direction) and the second current direction (are passed through just in north and south
To)；
Specifically, step 12 includes：
Step 121, according to the current stream on the traffic flow on the described first current direction, the second current direction
The amber light phase time of amount and traffic lights, determines red on the described first current direction and the second current direction
Lamp phase time and green light phase time.
In order that more people pass through, the corresponding thing if the flow of the people that east-west direction passes through crossing is big
It is slightly long that the green time in direction should be arranged.
The time C1 of North and South direction green light (east-west direction red light) in a traffic lights cycle T, with thing
The ratio of the time C2 of direction green light (North and South direction red light) is equal in preset duration C and passes through road from North and South direction
The ratio of the flow E2 of the people of the mouth and flow E1 of the interior people for passing through crossing from east-west direction of preset duration C.
Specifically, in a traffic lights cycle T North and South direction green light (east-west direction red light) time C1,
Meet following equation with the ratio of the time C2 of east-west direction green light (North and South direction red light)：
Wherein, C1 is the time of the North and South direction green light (east-west direction red light) in a traffic lights cycle T,
C2 is the time of east-west direction green light (North and South direction red light).
It should be noted that due to the setting for also including an amber light in the setting of traffic lights, its amber light is arranged
After green light, wherein yellow time is the interval time R between the green light on two current directions.Typically
In the case of, allow maximum speed corresponding to 50km/h, the yellow time of transition takes 3s；Corresponding to 60km/h
Allow maximum speed, the yellow time of transition takes 4s；Allow maximum speed, the Huang of transition corresponding to 70km/h
The lamp time takes 5s.
The time distribution of traffic lights so in whole cycle also meets following condition：C1+C2=T-R；
Then basis
C1+C2=T-R
Time and the east-west direction green light (North and South direction of North and South direction green light in a cycle T (east-west direction red light) is obtained
Red light) time.
Explanation is needed, that method of sending out of above-mentioned calculating traffic lights is only algorithm ideally, and the embodiment of the present invention is also carried
It is specific as follows for a kind of algorithm of consideration lost time：
The crossing is crossroad, and the current direction includes：Orthogonal first current direction and the
Two-way line direction；
Step 12 includes：
Step 122, according to the current stream on the traffic flow on the described first current direction, the second current direction
Lost time in amount, the amber light phase time of traffic lights and traffic lights a cycle, determine described first
Red light phase time and green light phase time on current direction and the second current direction；Wherein, the loss
Time is start delay time and the difference for terminating lag time, and the start delay time is to see that green light is arrived
The reaction time of vehicle launch, the end lag time is that green light closes the time passed through to last car.
Specifically, L is lost time total in a cycle, and the lost time is equal to start delay time with knot
The difference of beam lag time, wherein, start delay time is driver and sees the reaction that green light starts to car
Time, terminate the time that lag time is that green light closing passes through to last car.
The total losses time of whole cycle be each phase place total losses time and plus each copper sulfate basic
R, i.e. L=∑s I+R.The time distribution of traffic lights so in whole cycle also meets following condition：
C1+C2=T-L；
Then basis
C1+C2=T-L
Time and the east-west direction green light (North and South direction of North and South direction green light in a cycle T (east-west direction red light) is obtained
Red light) time.
It should be noted that preset duration C can be 5-10 minutes, the traffic lights of current crossroad can be every 1 to 2
Hour change, such that it is able to be changed to the duration of traffic lights according to the difference of peak period on and off duty or festivals or holidays flow of the people.
To sum up, the control method of the traffic lights that the above embodiment of the present invention is provided, the crossroad based on walk efficiency leads to
Row strategy can adjust each phase time of traffic lights according to the magnitude of traffic flow, while the pedestrian for considering crossroad passes through efficiency.Need
It is noted that the pedestrian for passing through crossing in the technical program is not exclusively the actual pedestrian on the way walking, wherein also including
By the vehicle equivalent pedestrian into after pedestrian, by least representing what is may passed through in one direction into pedestrian by vehicle is equivalent
The trend of flow of the people, is dynamically changed according to this trend to the phase place of traffic lights, and more pedestrians can be made to pass through ten
Word crossing, thus can lift whole city go out line efficiency.
In order to preferably realize above-mentioned purpose, as shown in figure 3, the embodiment of the present invention also provides a kind of control device of traffic lights,
Including：
Acquisition module 31, for obtaining the traffic flow in preset duration on each current direction at a crossing；
The traffic flow passes through including each current side upwardly through the first flow of the pedestrian at crossing and by each
The second flow that side is converted to upwardly through the vehicle flow at crossing；
Determining module 32, for according to the traffic flow on described each current direction, determining each current side
The phase time of traffic lights upwards.
Specifically, acquisition module 31 described in the above embodiment of the present invention includes：
First acquisition submodule, for obtaining in preset duration each current side upwardly through the pedestrian's at crossing
First flow；
Second acquisition submodule, for obtaining vehicle of each the current side of the preset duration upwardly through crossing
Flow；
3rd acquisition submodule, for the vehicle flow to be converted to into second flow according to preset rules.
Specifically, the 3rd acquisition submodule includes described in the above embodiment of the present invention：
Information acquisition unit, for obtaining the information of vehicles of the vehicle by crossing, the information of vehicles is at least
The size of shape and vehicle including vehicle；
Parameter acquiring unit, for obtaining the conversion parameter matched with the information of vehicles；
Determining unit, for according to the vehicle flow and the conversion parameter, determining the second flow.
Specifically, determining unit includes described in the above embodiment of the present invention：
Determination subelement, for the vehicle flow to be multiplied with the conversion parameter, obtains the second
Amount.
Specifically, crossing described in the above embodiment of the present invention is crossroad, and the current direction includes：
Orthogonal first current direction and the second current direction；
The determining module 32 includes：
First determination sub-module, for according to the traffic flow on the described first current direction, the second current side
Traffic flow upwards and the amber light phase time of traffic lights, determine that the described first current direction and second leads to
Red light phase time and green light phase time on line direction.
Specifically, crossing described in the above embodiment of the present invention is crossroad, and the current direction includes：
Orthogonal first current direction and the second current direction；
The determining module 32 includes：
Second determination sub-module, for according to the traffic flow on the described first current direction, the second current side
Lost time in traffic flow upwards, the amber light phase time of traffic lights and traffic lights a cycle,
Determine the red light phase time and green light phase time on the described first current direction and the second current direction；Its
In, the lost time is start delay time and the difference for terminating lag time, the start delay time
To see green light to the reaction time of vehicle launch, the end lag time is that green light is closed to last
The time that car passes through.
It should be noted that the control device of traffic lights provided in an embodiment of the present invention is using above-mentioned traffic
The control device of the control method of lamp, then all embodiments of the control method of above-mentioned traffic lights are suitable for being somebody's turn to do
Control device, and can reach same or analogous beneficial effect.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of control method of traffic lights, it is characterised in that include：
Obtain the traffic flow on each current direction at a crossing in preset duration；The traffic flow includes
Each current side is upwardly through the first flow of the pedestrian at crossing and by each current side upwardly through crossing
The second flow that vehicle flow is converted to；
According to the traffic flow on described each current direction, the phase of the traffic lights on each current direction is determined
The position time.
2. the control method of traffic lights according to claim 1, it is characterised in that the acquisition is preset
Include the step of traffic flow on each current direction at a crossing in duration：
Obtain first flow of each current side upwardly through the pedestrian at crossing in preset duration；
Obtain vehicle flow of each the current side of the preset duration upwardly through crossing；
The vehicle flow is converted to into second flow according to preset rules.
3. the control method of traffic lights according to claim 2, it is characterised in that according to preset rules
The step of vehicle flow is converted to into second flow includes：
The information of vehicles of the vehicle by crossing is obtained, the information of vehicles is at least including the shape and car of vehicle
Size；
The conversion parameter that acquisition is matched with the information of vehicles；
According to the vehicle flow and the conversion parameter, the second flow is determined.
4. the control method of traffic lights according to claim 3, it is characterised in that according to the vehicle
Flow and the conversion parameter, include the step of determine the second flow：
The vehicle flow is multiplied with the conversion parameter, the second flow is obtained.
5. the control method of traffic lights according to claim 1, it is characterised in that the crossing is ten
Word crossing, the current direction includes：Orthogonal first current direction and the second current direction；
Traffic flow on each current direction described in the basis, determines the traffic lights on each current direction
Phase time the step of include：
According to the traffic flow on the traffic flow on the described first current direction, the second current direction and friendship
The amber light phase time of logical lamp, when determining the red light phase place on the described first current direction and the second current direction
Between and green light phase time.
6. the control method of traffic lights according to claim 5, it is characterised in that the crossing is ten
Word crossing, the current direction includes：Orthogonal first current direction and the second current direction；
Traffic flow on each current direction described in the basis, determines the traffic lights on each current direction
Phase time the step of include：
According to traffic flow, traffic on the traffic flow on the described first current direction, the second current direction
Lost time in the amber light phase time and traffic lights a cycle of lamp, determine the described first current direction
With the red light phase time and green light phase time on the second current direction；Wherein, the lost time is to open
Dynamic time delay and the difference of end lag time, the start delay time is to see green light to vehicle launch
Reaction time, the end lag time is that green light closes time for passing through to last car.
7. a kind of control device of traffic lights, it is characterised in that include：
Acquisition module, for obtaining the traffic flow in preset duration on each current direction at a crossing；Institute
Traffic flow is stated including each current side upwardly through the first flow of the pedestrian at crossing and by each current side
Upwardly through the second flow that the vehicle flow at crossing is converted to；
Determining module, for according to the traffic flow on described each current direction, determining each current direction
On traffic lights phase time.
8. the control device of traffic lights according to claim 7, it is characterised in that the acquisition module
Including：
First acquisition submodule, for obtaining in preset duration each current side upwardly through the pedestrian's at crossing
First flow；
Second acquisition submodule, for obtaining vehicle of each the current side of the preset duration upwardly through crossing
Flow；
3rd acquisition submodule, for the vehicle flow to be converted to into second flow according to preset rules.
9. the control device of traffic lights according to claim 8, it is characterised in that the described 3rd obtains
Submodule includes：
Information acquisition unit, for obtaining the information of vehicles of the vehicle by crossing, the information of vehicles is at least
The size of shape and vehicle including vehicle；
Parameter acquiring unit, for obtaining the conversion parameter matched with the information of vehicles；
Determining unit, for according to the vehicle flow and the conversion parameter, determining the second flow.
10. the control device of traffic lights according to claim 9, it is characterised in that the determining unit
Including：
Determination subelement, for the vehicle flow to be multiplied with the conversion parameter, obtains the second
Amount.
The control device of 11. traffic lights according to claim 7, it is characterised in that the crossing is ten
Word crossing, the current direction includes：Orthogonal first current direction and the second current direction；
The determining module includes：
First determination sub-module, for according to the traffic flow on the described first current direction, the second current side
Traffic flow upwards and the amber light phase time of traffic lights, determine that the described first current direction and second leads to
Red light phase time and green light phase time on line direction.
The control device of 12. traffic lights according to claim 7, it is characterised in that the crossing is ten
Word crossing, the current direction includes：Orthogonal first current direction and the second current direction；
The determining module includes：
Second determination sub-module, for according to the traffic flow on the described first current direction, the second current side
Lost time in traffic flow upwards, the amber light phase time of traffic lights and traffic lights a cycle,
Determine the red light phase time and green light phase time on the described first current direction and the second current direction；Its
In, the lost time is start delay time and the difference for terminating lag time, the start delay time
To see green light to the reaction time of vehicle launch, the end lag time is that green light is closed to last
The time that car passes through.
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|---|---|---|---|
| CN201510736740.6A CN106652494A (en) | 2015-11-03 | 2015-11-03 | Traffic light control method and device |
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| CN201510736740.6A CN106652494A (en) | 2015-11-03 | 2015-11-03 | Traffic light control method and device |
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| CN (1) | CN106652494A (en) |
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| CN110473412A (en) * | 2019-09-12 | 2019-11-19 | 杭州京安交通工程设施有限公司 | A kind of controlling system of traffic light |
| CN110930735A (en) * | 2019-11-06 | 2020-03-27 | 北京百度网讯科技有限公司 | Intelligent traffic control method, device, equipment and storage medium |
| CN112216125A (en) * | 2020-09-24 | 2021-01-12 | 武汉飞创智慧科技有限公司 | Signal lamp-based area control method, system, equipment and storage medium |
| CN113129609A (en) * | 2019-12-30 | 2021-07-16 | 大唐高鸿数据网络技术股份有限公司 | Traffic signal lamp timing method and traffic signal equipment |
| CN115578862A (en) * | 2022-10-26 | 2023-01-06 | 中国建设基础设施有限公司 | Traffic flow conversion method, device, computing equipment and storage medium |
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| CN109389836A (en) * | 2017-08-03 | 2019-02-26 | 杭州海康威视数字技术股份有限公司 | Control method, device, system and the controller of traffic lights |
| CN109389836B (en) * | 2017-08-03 | 2020-12-25 | 杭州海康威视数字技术股份有限公司 | Control method, device and system of traffic signal lamp and controller |
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| CN110473412A (en) * | 2019-09-12 | 2019-11-19 | 杭州京安交通工程设施有限公司 | A kind of controlling system of traffic light |
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| CN115578862A (en) * | 2022-10-26 | 2023-01-06 | 中国建设基础设施有限公司 | Traffic flow conversion method, device, computing equipment and storage medium |
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