CN105844925B - Urban traffic control device, system and method based on mobile phone wireless net - Google Patents
Urban traffic control device, system and method based on mobile phone wireless net Download PDFInfo
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- CN105844925B CN105844925B CN201610338929.4A CN201610338929A CN105844925B CN 105844925 B CN105844925 B CN 105844925B CN 201610338929 A CN201610338929 A CN 201610338929A CN 105844925 B CN105844925 B CN 105844925B
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- 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 provides a kind of urban traffic control device, system and method based on mobile phone wireless net, the device includes vehicle identification camera, local transit controller, traffic lights and urban traffic control terminal, by identifying vehicle class, according to the priority level of various vehicles and each road, according to scheduled optimization aim, the control signal of each traffic intersection is determined；Urban traffic control device, system and method for this kind based on mobile phone wireless net, traffic signals can be adjusted in real time, coordinate each crossing traffic, so that control signal is synchronous with road traffic, stoppage of vehicle number and residence time are reduced, existing road resource is made full use of, improves the utilization rate of road, dwell times and the time for reducing vehicle, improve urban transportation.
Description
Technical field
The present invention relates to a kind of urban traffic control device, system and methods based on mobile phone wireless net.
Background technology
What the traffic light time of existing traffic control system was substantially empirically set.The traffic control at these crossings
Signal will not change adjustment in real time according to vehicle flowrate, often have the direction red light of vehicle, and not have the direction long-time green light of vehicle.
Or the vehicle of green light direction, because junction ahead is red light, vehicle can not move ahead；When traffic lights convert, the vehicle of former green light direction
It is trapped in this crossing, the vehicle of present green light direction can not further result in this crossing congestion by crossing.This real road vehicle
Situation and the nonsynchronous situation of traffic control signal can increase stoppage of vehicle number and time, waste existing path resource,
Traffic congestion is caused, energy consumption and exhaust emission are increased.
To improve real road traffic and the nonsynchronous state of scheduled traffic control signal, need according to the real-time of road
Situation carries out traffic control.Monitor video is transmitted by current existing vehicle monitoring camera, under this mode, transmits number
More according to measuring, enforcement difficulty is big, of high cost.
The above problem should be paid attention to and be solved the problems, such as during the design of traffic control device and use.
Invention content
The object of the present invention is to provide a kind of urban traffic control devices based on mobile phone wireless net, solve to need according to road
The real time status on road carries out the problem of traffic control.
Technical solution of the invention is：
A kind of urban traffic control system based on mobile phone wireless net, including the control of vehicle identification camera, local transit
Device, traffic lights and urban traffic control terminal, local transit controller include mobile phone wireless network router, network interface,
Road traffic optimized processor one, traffic signals manager, road traffic optimized processor one are connected by network interface, cable
Vehicle identification camera, road traffic optimized processor one are wirelessly connected urban traffic control end by mobile phone wireless network router
End, road traffic optimized processor one connect traffic lights by traffic signals manager.
Further, vehicle identification camera enters the direction setting at crossing in face of vehicle.
Further, vehicle identification camera uses the vehicle identification camera of 4416X3312 pixels.
Further, urban traffic control terminal includes Wide Area Network interface, road traffic optimized processor two, traffic prison
Control controller, traffic behavior shows that wall, traffic historical database server, Wide Area Network interface pass through cable, traffic monitoring office
Domain net linking-up road traffic optimization processor two, road traffic optimized processor two connect traffic monitoring controller, traffic monitoring
Controller connects traffic behavior and shows wall.
It is a further object of the present invention to provide a kind of urban traffic control system and method based on mobile phone wireless net, solution
The nonsynchronous situation of real road vehicle condition and traffic control signal of the existing technology can increase stoppage of vehicle number and
Time wastes existing path resource, the problem of causing traffic congestion, increase energy consumption and exhaust emission.
Technical solution of the invention is：
A kind of system of the urban traffic control device based on mobile phone wireless net, including vehicle identification camera, city are handed over
Logical control terminal, local transit controller.
Vehicle identification camera：It identifies vehicle class, calculates the traffic parameter of various vehicles, including position, speed in real time
Degree, travel direction, and the busy situation in each of crossing road and each track is counted, then traffic parameter and statistical data by working as
Ground traffic controller is sent to urban traffic control terminal by mobile phone wireless net；
Urban traffic control terminal：According to the priority level of various vehicles and each road, according to scheduled optimization aim,
The control signal for determining each traffic intersection is sent to the local transit controller at each crossing by mobile phone wireless net；
Local transit controller：The traffic system for receiving multiple vehicle identification cameras on crossing on each road is real-time
It counts, after data are handled and encoded, urban traffic control terminal is sent to by mobile phone wireless net, while receiving city
The traffic control data that traffic control terminal is sent controls the traffic lights at crossing, adjusts traffic signals in real time, coordinates each road
Oral sex is logical, keeps control signal synchronous with road traffic.
Further, local transit controller is in the communication disruption with urban traffic control terminal or local transit
When controller is arranged to independent operating state, the optimization aim and Optimal Parameters that local transit controller is set according to crossing,
After optimizing operation according to the real-time traffic condition at the crossing, the state of each traffic lights is obtained, then tied according to optimization
Fruit controls corresponding traffic lights.
Further, it in urban traffic control terminal, is received from the locality at multiple crossings by standard Wide Area Network interface
The statistical data at each crossing that traffic controller is sent simultaneously is sent into road traffic optimized processor two, road traffic optimized processor
Two are arranged according to the priority at each crossing, and the traffic control of corresponding intersection is optimized and controlled to the real-time traffic at each crossing
Signal；
Road traffic optimized processor two accesses the traffic monitoring LAN of urban traffic control terminal, and according to receiving
Vehicle and the position of pedestrian and the statistical traffic data of the speed of service, construct current traffic condition illustraton of model, be connected to simultaneously
Traffic monitoring controller is then sent through traffic behavior and shows that wall is shown, and the real time traffic data at each crossing is stored into and is gone through
History database.
Further, the monitor on LAN monitors current state and the optimization at each crossing by traffic monitoring controller
Scheduling result adjusts the configuration parameter at each crossing, adjusts the control signal at crossing in real time.
A method of the urban traffic control system based on mobile phone wireless net, including：
Vehicle class is identified by vehicle identification camera, calculates the traffic parameter of various vehicles in real time, including position,
Speed, travel direction, and the busy situation in each of crossing road and each track is counted, then traffic parameter and statistical data are passed through
Local transit controller is sent to urban traffic control terminal by mobile phone wireless net；
The traffic system that local transit controller receives multiple vehicle identification cameras on crossing on each road is real-time
It counts, after data are handled and encoded, urban traffic control terminal is sent to by mobile phone wireless net；
Urban traffic control terminal is according to the priority levels of various vehicles and each road, according to scheduled optimization aim,
The control signal for determining each traffic intersection is sent to the local transit controller at each crossing by mobile phone wireless net；
Local transit controller receives the traffic control data that urban traffic control terminal is sent, and controls the traffic letter at crossing
Signal lamp adjusts traffic signals in real time, coordinates each crossing traffic, keeps control signal synchronous with road traffic.
Further, local transit controller is in the communication disruption with urban traffic control terminal or local transit
When controller is arranged to independent operating state, the optimization aim and Optimal Parameters that local transit controller is set according to crossing,
After optimizing operation according to the real-time traffic condition at the crossing, the state of each traffic lights is obtained, then tied according to optimization
Fruit controls corresponding traffic lights.
The beneficial effects of the invention are as follows：Urban traffic control device, system and method for this kind based on mobile phone wireless net, energy
Enough adjustment traffic signals in real time, coordinate each crossing traffic so that control signal is synchronous with road traffic, reduces stoppage of vehicle number
And the residence time, existing road resource is made full use of, the utilization rate of road is improved, dwell times and the time of vehicle is reduced, changes
Kind urban transportation.
Description of the drawings
Fig. 1 is the structural schematic diagram of urban traffic control system of the embodiment of the present invention based on mobile phone wireless net；
Fig. 2 is the connection diagram of multiple local transit controllers and urban traffic control terminal in embodiment；
Fig. 3 is the internal structure schematic diagram of local transit controller in embodiment；
Fig. 4 is the internal structure schematic diagram of urban traffic control terminal in embodiment；
Fig. 5 is the flow diagram of the urban traffic control method based on mobile phone wireless net in embodiment；
Fig. 6 is the schematic diagram that vehicle identification camera recognizes vehicle；
Fig. 7 is the result schematic diagram of current municipal traffic control signal and virtual condition step-out；
Fig. 8 be in a vehicle group on the track of north-to-south direction close to crossing 1 when, embodiment system combination traffic
Control method coordinates the schematic diagram of urban road crossing traffic.
Fig. 9 be after the vehicle group by north orientation south is by crossing 1, close to crossing 2 when, embodiment system combination traffic
Control method coordinates the schematic diagram of urban road crossing traffic.
Figure 10 be when the vehicle group by north orientation south by crossing 2 after, close to crossing 3 when, embodiment system knot
Close the schematic diagram that traffic control method coordinates urban road crossing traffic.
Figure 11 is the vehicle group by north orientation south by crossing 1, real when vehicle group from south to north also passes through crossing 3
Apply the schematic diagram that a system combination traffic control method coordinates urban road crossing traffic.
Figure 12 be vehicle group from south to north already close to crossing 1 when, embodiment system combination traffic control method coordinates city
The schematic diagram of city's crossing traffic.
Figure 13 is to pass through crossing 1 and crossing 2 by the vehicle group in north orientation south when vehicle group from south to north reaches crossing 1
When, embodiment system combination traffic control method coordinates the schematic diagram of urban road crossing traffic.
Figure 14 be when by north orientation south and vehicle group from south to north all by crossing 1, when crossing 2 and crossing 3, embodiment
System combination traffic control method coordinates the schematic diagram of urban road crossing traffic.
Wherein：1- traffic lights, 2- vehicle identification cameras, 3- local transit controllers, 4- urban traffic controls are whole
End.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment
A kind of urban traffic control device based on mobile phone wireless net, such as Fig. 1 and Fig. 2, including vehicle identification camera 2,
Local transit controller 3, traffic lights 1 and urban traffic control terminal 4, such as Fig. 3, local transit controller 3 includes mobile phone
Wireless network router, network interface, road traffic optimized processor one, traffic signals manager, road traffic optimized processor
One connects vehicle identification camera 2 by network interface, cable, road traffic optimized processor one by mobile phone wireless network by
Device is wirelessly connected urban traffic control terminal 4, and road traffic optimized processor one connects traffic by traffic signals manager to be believed
Signal lamp 1.
Urban traffic control device of this kind based on mobile phone wireless net is controlled by vehicle identification camera 2, local transit
Device 3, urban traffic control terminal 4 realize the real-time control to traffic lights 1.Embodiment device can be according to the friendship at each crossing
Logical state adjusts the traffic control signal at each crossing in real time, allows in city the control signal of multiple traffic intersections can be according to road
Traffic behavior adjusts in real time, realizes that vehicle is synchronous with traffic signals.
The identification of vehicle in road is realized by vehicle identification camera 2, what it is to realize transmission is not that traffic monitoring regards
Frequently, but the Realtime Statistics of simple road vehicles and pedestrian, for describing various types of vehicles quantity, required data volume
Seldom, can be transmitted using mobile phone wireless net, telecommunications designated lane need not be rented, greatly reduce enforcement difficulty and operation at
This.
Vehicle identification camera 2 enters the direction setting at crossing in face of vehicle.Vehicle identification camera 2 uses
The vehicle identification camera 2 of 4416X3312 pixels.Vehicle identification camera 2 has the high-resolution object of 4416X3312 pixels
Recognition capability can identify road vehicle type and calculate relevant traffic parameter, output be not road prison
Control video, but on road on each track vehicle type, quantity, the number of pedestrian on position and travel speed and pavement
Amount.
Local transit controller 3 is set, it is normal in the communication with urban traffic control terminal 4 in local transit controller 3
When, centralized control is carried out to multiple local transit controllers 3 by urban traffic control terminal 4.Exist in local transit controller 3
With the communication disruption of urban traffic control terminal 4, when can be arranged to independent operating state, can be set according to the crossing excellent
Change target and Optimal Parameters, after optimizing operation according to the real-time traffic condition at the crossing, obtains the shape of each traffic lights 1
State controls corresponding traffic lights then according to optimum results, realizes the optimization of the crossing traffic.
Mobile phone wireless network router is wirelessly connected urban traffic control terminal 4 by mobile phone wireless net, and mobile phone wireless net is
The mobile communication system being widely implemented before feeling the pulse with the finger-tip and the similar mobile communication system developed in the future, including but not limited to 3G,
The data services such as 4G and LTE, the network connection for providing each crossing local transit controller 3 and urban traffic control terminal 4.
Such as Fig. 4, urban traffic control terminal 4 includes Wide Area Network interface, road traffic optimized processor two, traffic monitoring
Controller, traffic behavior show that wall, traffic historical database server, Wide Area Network interface pass through cable, traffic monitoring local
Net linking-up road traffic optimization processor two, road traffic optimized processor two connect traffic monitoring controller, traffic monitoring control
Device connection traffic behavior processed shows wall.
A kind of urban traffic control system based on mobile phone wireless net, including vehicle identification camera 2, urban traffic control
Terminal 4, local transit controller 3.
Vehicle identification camera 2：It identifies vehicle class, calculates the traffic parameter of various vehicles, including position, speed in real time
Degree, travel direction, and the busy situation in each of crossing road and each track is counted, then traffic parameter and statistical data by working as
Ground traffic controller 3 is sent to urban traffic control terminal 4 by mobile phone wireless net.
Urban traffic control terminal 4：According to the priority level of various vehicles and each road, according to scheduled optimization mesh
Mark, determines the control signal of each traffic intersection, the local transit controller 3 at each crossing is sent to by mobile phone wireless net.
Local transit controller 3：The traffic system for receiving multiple vehicle identification cameras 2 on crossing on each road is real
When count, after data is handled and encoded, urban traffic control terminal 4 is sent to by mobile phone wireless net, is received simultaneously
The traffic control data that urban traffic control terminal 4 is sent controls the traffic lights 1 at crossing, adjusts traffic signals in real time, association
Each crossing traffic is adjusted, keeps control signal synchronous with road traffic.
Local transit controller 3 is in the communication disruption with urban traffic control terminal 4 or local transit controller 3
When being arranged to independent operating state, the optimization aim and Optimal Parameters that local transit controller 3 is set according to crossing, according to this
After the real-time traffic condition at crossing optimizes operation, the state of each traffic lights 1 is obtained, then according to optimum results, control
Make corresponding traffic lights 1.
In urban traffic control terminal 4, is received from the local transit at multiple crossings and controlled by standard Wide Area Network interface
The statistical data at each crossing that device 3 is sent simultaneously is sent into road traffic optimized processor two, two basis of road traffic optimized processor
The priority at each crossing is arranged, and the traffic control signal of corresponding intersection is optimized and controlled to the real-time traffic at each crossing.
Road traffic optimized processor two accesses the traffic monitoring LAN of urban traffic control terminal 4, and according to reception
The statistical traffic data of the position and the speed of service of the vehicle and pedestrian that arrive, constructs current traffic condition illustraton of model, connects simultaneously
To traffic monitoring controller, it is then sent through traffic behavior and shows that wall is shown, and the real time traffic data at each crossing is stored into
Historical data base.
Monitor on LAN by traffic monitoring controller monitor each crossing current state and Optimized Operation as a result,
The configuration parameter at each crossing is adjusted, adjusts the control signal at crossing in real time.
Embodiment system can use aforementioned urban traffic control device to realize.Using embodiment system, by multiple
Crossing all directions road vehicle type and traffic parameter are sent to urban traffic control terminal 4 by mobile phone wireless net.City
City's traffic control terminal 4 is according to the physical location at each crossing, the priority of various vehicles and road, according to the optimization mesh of the period
Mark carries out unified optimization to the traffic control in entire city, and according to optimum results, passes through each crossing of mobile phone wireless network control system
Traffic signals so that signal lamp is synchronous with road running vehicle, makes full use of existing road resource, reduce stoppage of vehicle number and
Time improves traffic congestion state, reduces exhaust emission, realizes that traffic control is intelligent.
Specifically, using vehicle identification camera 2, identify vehicle class, as car, bus, lorry, battery truck and
Pedestrian etc. calculates the traffic parameters such as position, speed, the travel direction of various vehicles in real time, and counts each of crossing road and each vehicle
The busy situation in road is transmitted to urban traffic control end in real time then traffic parameter and statistical data by mobile phone wireless net
End 4；Traffic urban traffic control terminal 4 is according to the priority levels of various vehicles and each road, according to scheduled optimization aim,
The control signal for determining each traffic intersection is sent to the local transit controller 3 at each crossing by mobile phone wireless net, adjusts in real time
Traffic signals coordinate each crossing traffic so that control signal is synchronous with road traffic, when reducing stoppage of vehicle number and stopping
Between, existing road resource is made full use of, the utilization rate of road is improved, is reduced dwell times and the time of vehicle, improves city and hands over
It is logical.
The urban traffic control system of embodiment can combine following preferred traffic control method to realize to traffic control,
Such as Fig. 5, specially：
Vehicle identification camera 2 identifies and counts the vehicle and pedestrian situation on setting road on each track, and statistics
Data access local transit controller 3 with cable.
Local transit controller 3 receives the Realtime Statistics of each road on the crossing, then by mobile phone wireless net,
It is sent to urban traffic control terminal 4.
After urban traffic control terminal 4 summarizes the Realtime Statistics at multiple crossings, according to various vehicles and lane priority
Rank, according to the optimization aim of predetermined period, automatic or manual real-time adjustment must there emerged a the state of direction traffic lights, then lead to
Mobile phone wireless network is crossed, corresponding local transit controller 3 is sent back to, controls the traffic lights 1 of all directions at the crossing, including red
Green light, remaining time, pedestrian signal etc..
Local transit controller 3 is in the communication disruption with urban traffic control terminal 4 or local transit controller 3
When being arranged to independent operating state, the optimization aim and Optimal Parameters that local transit controller is set according to crossing, according to this
After the real-time traffic condition at crossing optimizes operation, the state of each traffic lights is obtained, then according to optimum results, control
Corresponding traffic lights.
For embodiment by the way that multiple vehicle identification cameras 2 are arranged, each traffic direction is at least a set of, is mounted on and faces vehicle
Into the direction at crossing, the image on road is handled, according to vehicle feature recognition and counts the vehicle in each track on road
Type, quantity, travel speed and current location, are then connect statistical data by cable according to 802.3 agreement of standard IEEE
Enter local transit controller 3；Realize that POE obtains power supply from local transit controller 3 by cable simultaneously.
Local transit controller 3 includes road traffic optimized processor one, and the reception of road traffic optimized processor one comes from
The traffic system real-time counting evidence of multiple vehicle identification cameras 2 on the crossing on each road, handles data and is encoded
Afterwards, urban traffic control terminal 4 is sent to by mobile phone wireless net, while receives the traffic control that urban traffic control terminal 4 is sent
Data processed control the traffic signals at the crossing, realize the optimal coordination centralized control of multiple crossing traffics.Local transit controller
3 in the communication disruption with urban traffic control terminal 4, or when being arranged to independent operating state, can be set according to the crossing
Fixed optimization aim and Optimal Parameters after optimizing operation according to the real-time traffic condition at the crossing, obtains each traffic signals
The state of lamp 1 controls corresponding traffic lights then according to optimum results, realizes the optimization of the crossing traffic.
Local transit controller 3 passes through mobile phone wireless net, cooperation when the communication with urban traffic control terminal 4 is normal
Vehicle identification camera 2 acquires the traffic state data at multiple crossings in real time, after being optimized to the traffic control at each crossing,
The traffic signals for coordinating to control each crossing are concentrated in real time；Each crossing is equipped with multiple vehicle identification cameras 2 and a local friendship
Ventilating controller 3；Vehicle identification camera 2 identification and Efferent tube road vehicle class, quantity, travel speed, current location and
The Realtime Statistics such as pedestrian's situation, by network cable transmission to local transit controller 3；Local transit controller 3 through mobile phone without
Gauze is linked into urban traffic control terminal 4；Urban traffic control terminal 4 is pressed according to the traffic statistical data at each crossing
According to the priority of road and various vehicles, optimize road traffic, then control data are sent to each crossing through mobile phone wireless network
Local transit controller 3, the traffic signals at centralized control crossing.
Fig. 2 is that more local area controllers realize central controlled one by mobile phone wireless net and urban traffic control terminal 4
Scheme schematic diagram.It is set as central controlled local transit controller 3, acquires the vehicle and pedestrian on the crossing all directions track
Quantity, current location and travel speed.The local area controller of each traffic intersection is by mobile phone wireless net, the road at each crossing
Statistical data is real-time transmitted to urban traffic control terminal 4.Traffic urban traffic control terminal 4 summarizes these statistical data
Afterwards, it is optimized according to road and type of vehicle priority level and the optimization aim of day part, then the traffic after optimization
Data are controlled again by mobile phone wireless net, the local area controller of each traffic intersection is transmitted to, realizes the traffic lights between each crossing
Synchronous coordination so that traveling is smooth, greatly reduces dwell times.
Refering to what is shown in Fig. 3, a scheme of local area controller internal structure, including standard network interface, vehicle identification
The statistical data at each crossing that camera 2 is sent is sent into road traffic optimized processor one；The road traffic optimized processor one
After statistical data is packaged according to the communication protocol of urban traffic control terminal 4, it is sent to mobile phone wireless router；The router handle
After the data received are packaged according to mobile phone wireless fidonetFido, urban traffic control terminal 4 is sent to by mobile phone wireless net, then
The traffic control signal state of all directions received from city urban traffic control terminal 4, according to existing traffic signals pipe
The communication protocol for managing device, encodes traffic control signal, is then fed into traffic signals manager；The traffic signals manager according to
The state for controlling signal controls the equipment such as corresponding indicator light.
The urban traffic control terminal 4 can realize wireless network with the local transit controller 3 at required control crossing
Connection, receives the real-time traffic statistical data at each crossing, according to the priority and weather condition of various vehicles and road, presses
According to the optimization aim of the period, automatic or manual optimization is carried out to the signal of controlled traffic intersection；Then the control at each crossing
Signal processed is sent to the local area controller of each traffic intersection by wireless network, controls the traffic signals of each road, makes signal and road
Road vehicles situation synchronizes.
Refering to what is shown in Fig. 4, a scheme of the internal structure of urban traffic control terminal 4, including standard Wide Area Network interface,
It receives from the statistical data at each crossing that the local transit controller 3 at multiple crossings is sent and is sent into road traffic optimized processor
Two, it is arranged according to the priority at each crossing, the traffic control of corresponding intersection is optimized and controlled to the real-time traffic at each crossing
Signal processed；Then the traffic monitoring LAN of access city urban traffic control terminal 4, and according to the vehicle and pedestrian received
Position and the speed of service statistical traffic data, construct current traffic condition illustraton of model, while being connected to traffic monitoring control
Device is then sent through traffic behavior and shows wall, so that monitoring personnel monitors traffic；Monitor on LAN can monitor each road
The current state and Optimized Operation of mouth are as a result, adjust the configuration parameter at each crossing ,if needed can adjust the control at crossing in real time
Signal processed.The real time traffic data at each crossing is stored into historical data base, is the study of road traffic optimization module thus further
Improve Optimized model and foundation is provided.
Refering to what is shown in Fig. 6, the schematic diagram of 2 an identified vehicle condition of road vehicle identification camera.Illustrating
Label 1 to 10 represents the road vehicle that vehicle identification camera 2 is seen in figure.Wherein label 1,2,3,4,6,8 and 10 institutes
The vehicle of label indicates usual car；5 indicate small bus；7 indicate full-sized bus；9 indicate truck.
In figure 6, vehicle identification camera 2 identifies that a car is being turned right, behind have a cart lorry and one
Car is travelled with 25 kilometers per hour on right-turn lane, respectively apart from 20 meters and 50 meters of crossing；There are a car and one
Small bus waits in straight way, has a car and big bus to be approached in straight way with 10 kilometers per hour of speed
Crossing, 25 meters away from crossing and 35 meters respectively；There are two cars to be waited on left changing lane, another vehicle is existed with 15 kilometers of speed per hour
Close to crossing, 40 meters of distance on left changing lane.
Refering to what is shown in Fig. 7, indicating current city traffic control signal and the nonsynchronous result of vehicle-state.When crossing 1
When north-to-south direction green light, due to 2 north-to-south direction red light of crossing, many stoppage of vehicle are between crossing 1 and crossing 2
By on the track of north orientation south, causing the vehicle of the north-to-south direction at crossing 1 that can not move ahead and be trapped in crossing 1.When crossing 1 is by east
It westwards when the green light of direction, is blocked by the vehicle being detained originally by north orientation south, path resource can not be caused to waste by crossing.
Refering to what is shown in Fig. 8, indicate in a vehicle group on the track of north-to-south direction close to crossing 1 when, embodiment
System combination traffic control method coordinates the schematic diagram of urban road crossing traffic.Assume that the road of North and South direction is city master in Fig. 8
Arterial highway, optimization aim are that residence time of the vehicle on major trunk roads is most short.State in Fig. 8 indicates：The vehicle of north-to-south direction
There are one vehicle groups on road close to crossing 1, and traffic optimization controller predicted vehicle reaches the time at crossing, interrupts thing in advance
To vehicle so that just do not stopped through crossing 1 by the vehicle in north orientation south.And at this point, vehicle from south to north is fewer, in
It is to be allowed simultaneously by north orientation south and by the vehicle pass-through in north orientation east.Before not reaching crossing 2 by the vehicle group in north orientation south, crossing 2
The vehicle of east-west direction is allowed to pass through with 3.
Refering to what is shown in Fig. 9, indicate after the vehicle group by north orientation south is by crossing 1, close to crossing 2 when, embodiment
System combination traffic control method coordinates the schematic diagram of urban road crossing traffic.Connect above-mentioned signal traffic control state shown in Fig. 8.
After the vehicle group by north orientation south is by crossing 1, close to crossing 2.Traffic control optimization system is in time by thing on crossing 2
To vehicle stop, allow vehicle group not stop directly through crossing 2.At this point, crossing 1 by the track of turning left in north orientation east without vehicle
, then allow vehicle from south to north to pass through crossing 1.Crossing 3 is reached by the vehicle group in north orientation south not yet, continues to allow crossing 3
Transmeridional vehicle passes through.
Refering to what is shown in Fig. 10, indicate when the vehicle group by north orientation south by crossing 2 after, close to crossing 3 when, reality
Apply the schematic diagram that a system combination traffic control method coordinates urban road crossing traffic.Connect above-mentioned signal traffic control shown in Fig. 9
State.When the vehicle group by north orientation south by crossing 2 after, close to crossing 3.Traffic control optimization system is in time by road
Transmeridional vehicle stops on mouth 3, and vehicle group is allowed not stop directly through crossing 3.Vehicle group from south to north is allowed to pass through crossing simultaneously
3.At this point, the vehicle of crossing 2 from south to north is fewer, the vehicle by north orientation east is then allowed to pass through crossing 2.
With reference to shown in figure 11, indicate that by the vehicle group in north orientation south, vehicle group from south to north also passes through by crossing 1
When crossing 3, embodiment system combination traffic control method coordinates the schematic diagram of urban road crossing traffic.It connects shown in above-mentioned schematic diagram 10
Traffic control state.When the vehicle group by north orientation south is by crossing 1, crossing 1 allows transmeridional vehicle to pass through.At this point, by
The vehicle group in south orientation north also passes through crossing 3.When vehicle reaches crossing 2, traffic controller stops in advance by the vehicle in north orientation east
, allow vehicle group to pass through crossing 2.
With reference to shown in figure 12, when indicating vehicle group from south to north already close to crossing 1, embodiment system combination traffic control
Method coordinates the schematic diagram of urban road crossing traffic.Connect traffic control state shown in above-mentioned schematic diagram 11.When vehicle from south to north
For group by crossing 3, crossing 3 allows the vehicle by north orientation east to pass through.Vehicle group from south to north hands over already close to crossing 1 at this time
Logical optimization system prepares to stop 1 transmeridional vehicle of crossing.
With reference to shown in figure 13, indicate, when vehicle group from south to north reaches crossing 1, to have passed through road by the vehicle group in north orientation south
When mouth 1 and crossing 2, embodiment system combination traffic control method coordinates the schematic diagram of urban road crossing traffic.Connect above-mentioned schematic diagram
Traffic control state shown in 12.When vehicle group from south to north reaches crossing 1, crossing 1 is passed through by the vehicle group in north orientation south
With crossing 2, then crossing traffic optimization system allow crossing 1 from south to north and by south orientation west vehicle pass-through, while allowing crossing 2
East and West direction vehicle pass-through.By crossing 3, traffic optimization system allows by north orientation south and by north vehicle group from south to north at this time
Vehicle pass-through eastwards.
With reference to shown in figure 14, indicate all to pass through crossing 1, crossing 2 and road as vehicle group by north orientation south and from south to north
When mouth 3, embodiment system combination traffic control method coordinates the schematic diagram of urban road crossing traffic.It connects shown in above-mentioned schematic diagram 13
Traffic control state.When vehicle group by north orientation south and from south to north passes through crossing 1, crossing 2 and crossing 3, these crossings
It allows East and West direction vehicle by crossing, completes controlling cycle of the leading vehicle by this 3 crossings.
These schematic diagrames are simple traffic, and actual conditions are more complicated, and the traffic intersection in entire city
Very much, it needs largely to optimize operation.However, must be set up can in traffic urban traffic control terminal 4 for these optimization operations
The real-time traffic states data at each crossing are obtained in time, can grasp each crossing, the vehicle and pedestrian's number in all directions track in time
On the basis of amount.
With reference to shown in figure 1, Fig. 2, Fig. 3 and Fig. 4, synthesis is described as follows：Vehicle identification camera 2 identifies vehicle kind on road
Class, quantity, position and travel speed, the vehicle and pedestrian data on statistic of classification all directions track, then these statistical numbers
It is sent to urban traffic control terminal 4 according to by mobile phone wireless net.Urban traffic control terminal 4 summarizes the data at each multiple crossings
Afterwards, each item is optimized according to the optimization aim of the priority and the period of road and various vehicles according to these statistical data
The control signal of road, then after control signal is packaged by stipulations, passes through that mobile phone wireless is off the net to be dealt into the local of corresponding intersection and hand over
Ventilating controller 3 controls the traffic signals of all directions.
And than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another reality
Apply example ", " embodiment " etc., refer to specific features, structure or the feature of embodiment description is combined to be included in the application general
In at least one embodiment of including property description.In the description multiple places occur statements of the same race be not centainly refer to it is same
Embodiment.Furthermore, it is understood that when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is
Realize that this feature, structure or feature are also fallen in the range of this patent in conjunction with other embodiment.
Although reference be made herein to this patent is described in multiple explanatory embodiments of this patent, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the variations and modifications of progress, to those skilled in the art, other purposes also will be apparent.
Claims (4)
1. a kind of urban traffic control device based on mobile phone wireless net, it is characterised in that：Including vehicle identification camera, locality
Traffic controller, traffic lights and urban traffic control terminal, local transit controller include mobile phone wireless network router, net
Network interface, road traffic optimized processor one, traffic signals manager, road traffic optimized processor one by network interface,
Cable connects vehicle identification camera, and road traffic optimized processor one is wirelessly connected city by mobile phone wireless network router and hands over
Logical control terminal, road traffic optimized processor one connect traffic lights, vehicle identification camera shooting by traffic signals manager
Head uses the vehicle identification camera of 4416 X, 3312 pixels, the direction that vehicle identification camera enters crossing in face of vehicle to set
It sets；
Urban traffic control terminal includes Wide Area Network interface, road traffic optimized processor two, traffic monitoring controller, traffic
Status display wall, traffic historical database server, Wide Area Network interface are handed over by cable, traffic monitoring lan link path
Logical optimized processor two, road traffic optimized processor two connect traffic monitoring controller, and traffic monitoring controller connects traffic
Status display wall.
2. a kind of urban traffic control system based on mobile phone wireless net, which is characterized in that including vehicle identification camera, city
Traffic control terminal, local transit controller,
Vehicle identification camera：It identifies vehicle class, calculates the traffic parameter of various vehicles, including position, speed, row in real time
Direction is sailed, and counts the busy situation in each of crossing road and each track, then traffic parameter and statistical data are handed over by locality
Ventilating controller is sent to urban traffic control terminal by mobile phone wireless net；
Urban traffic control terminal：It is determined according to scheduled optimization aim according to the priority level of various vehicles and each road
The control signal of each traffic intersection is sent to the local transit controller at each crossing by mobile phone wireless net；
In urban traffic control terminal, is received from the local transit controller at multiple crossings and sent by standard Wide Area Network interface
Each crossing statistical data and be sent into road traffic optimized processor two, road traffic optimized processor two is according to each crossing
Priority is arranged, and the traffic control signal of corresponding intersection is optimized and controlled to the real-time traffic at each crossing；
Road traffic optimized processor two accesses the traffic monitoring LAN of urban traffic control terminal, and according to the vehicle received
And the position of pedestrian and the statistical traffic data of the speed of service, construct current traffic condition illustraton of model, while being connected to traffic
Monitoring controller is then sent through traffic behavior and shows that wall is shown, and the real time traffic data at each crossing is stored into history number
According to library；
Local transit controller：Receive the traffic system real-time counting of multiple vehicle identification cameras on crossing on each road
According to after data are handled and encoded, being sent to urban traffic control terminal by mobile phone wireless net, while receiving urban transportation
The traffic control data that control terminal is sent controls the traffic lights at crossing, adjusts traffic signals in real time, coordinates each crossing and hands over
It is logical, keep control signal synchronous with road traffic；
Local transit controller is in the communication disruption with urban traffic control terminal or local transit controller is arranged to
When independent operating state, the optimization aim and Optimal Parameters that local transit controller is set according to crossing, according to the reality at the crossing
When traffic optimize operation after, obtain the state of each traffic lights, then according to optimum results, control corresponding hand over
Ventilating signal lamp.
3. the urban traffic control system as claimed in claim 2 based on mobile phone wireless net, it is characterised in that：On LAN
Monitor by traffic monitoring controller monitor each crossing current state and Optimized Operation as a result, adjust each crossing configuration join
Number adjusts the control signal at crossing in real time.
4. a kind of urban traffic control method based on mobile phone wireless net, which is characterized in that including：
Vehicle class is identified by vehicle identification camera, calculates the traffic parameter of various vehicles, including position, speed in real time
Degree, travel direction, and the busy situation in each of crossing road and each track is counted, then traffic parameter and statistical data by working as
Ground traffic controller is sent to urban traffic control terminal by mobile phone wireless net；
Local transit controller receives the traffic system real-time counting of multiple vehicle identification cameras on crossing on each road
According to after data are handled and encoded, urban traffic control terminal is sent to by mobile phone wireless net；
Urban traffic control terminal is determined according to the priority level of various vehicles and each road according to scheduled optimization aim
The control signal of each traffic intersection is sent to the local transit controller at each crossing by mobile phone wireless net；
Local transit controller receives the traffic control data that urban traffic control terminal is sent, and controls the traffic signals at crossing
Lamp adjusts traffic signals in real time, coordinates each crossing traffic, keeps control signal synchronous with road traffic；Local transit controller exists
With when the communication disruption of urban traffic control terminal or when local transit controller is arranged to independent operating state, it is local
The optimization aim and Optimal Parameters that traffic controller is set according to crossing, fortune is optimized according to the real-time traffic condition at the crossing
After calculation, the state of each traffic lights is obtained, then according to optimum results, control corresponding traffic lights.
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| CN106448193A (en) * | 2016-10-28 | 2017-02-22 | 杭州利艾智能科技有限公司 | Urban traffic control system and method |
| CN106781554A (en) * | 2016-12-13 | 2017-05-31 | 冯仁 | Intelligent traffic signal control system |
| CN107316468A (en) * | 2017-06-14 | 2017-11-03 | 苏州远征魂车船技术有限公司 | A kind of road intelligent control device |
| CN108109400A (en) * | 2017-12-05 | 2018-06-01 | 张家港奥尼斯信息科技有限公司 | A kind of Intelligent traffic signal lamp control device that can be independently switched according to zebra linear flow rate |
| CN110556000A (en) * | 2018-06-04 | 2019-12-10 | 义硕智能股份有限公司 | Artificial intelligence traffic detection system |
| CN109598940B (en) * | 2018-09-27 | 2023-02-28 | 浙江宇视科技有限公司 | Crossing signal lamp timing method and device |
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| JP2009070121A (en) * | 2007-09-13 | 2009-04-02 | Hitachi Systems & Services Ltd | Traffic light system |
| CN101593430A (en) * | 2008-05-26 | 2009-12-02 | 奥城同立科技开发（北京）有限公司 | The intelligent traffic light control system of universe control |
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