CN107316469A - A kind of intelligent traffic system of traffic lights interval networking - Google Patents
A kind of intelligent traffic system of traffic lights interval networking Download PDFInfo
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- CN107316469A CN107316469A CN201710449491.1A CN201710449491A CN107316469A CN 107316469 A CN107316469 A CN 107316469A CN 201710449491 A CN201710449491 A CN 201710449491A CN 107316469 A CN107316469 A CN 107316469A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- G08G1/081—Plural intersections under common control
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Abstract
The invention discloses a kind of intelligent traffic system of traffic lights interval networking, including main control board and the power supply, Digital Image Processing module, traffic signalization module and the radio receiving transmitting module that are connected with main control board；The Digital Image Processing module is connected with camera, and the vehicle image signal to receive camera collection by virtual coil is converted to data signal；The radio receiving transmitting module is connected with adjacent intelligent traffic system, the data signal to receive and/or launch the conversion of Digital Image Processing module；The traffic signalization module is connected with traffic lights.Novel in design, use of the invention, interval real-time cancellation of networking can be carried out by the vehicle at section two ends crossing, calculate the quantity and the speed of various vehicles traveling of the various vehicles above real-time section, and various vehicles reach the time at crossing, realize intelligent control traffic lights, so as to more efficient utilization path resource, the congestion of road is reduced.
Description
Technical field
The present invention relates to traffic signals field, more particularly to a kind of intelligent traffic system of traffic lights interval networking.
Background technology
The control of urban road intersection traffic signals for traffic flow distribution, and road traffic traffic flow have weight
Act on, existing traffic lights, only according to a fixed time interval convert traffic lights, it is impossible to according to vehicle number in good time
Regulation, makes road traffic that various situations, such as traffic accident, road traffic paralysis, road construction, traffic lights hair often occur
Raw failure etc., when running into these situations, generally requires traffic police on duty to scene.Traffic accident and road construction are generally required
Traffic police pulls on warning line at the scene, and for road traffic paralysis, traffic lights failure, it is necessary to traffic police directs traffic at the scene,
Vehicle shunting is carried out to the road of traffic paralysis, alleviates traffic, or serves as traffic lights, is directed traffic, this is not only to friendship
Police brings huge workload, but also there is security threat.
As urban population possesses the continuous expansion of the rapid growth and city size of vehicle number, traffic flow is increasingly in
Existing highdensity heavy traffic stream situation, the development of urban traffic road is difficult to the continuous growth for meeting magnitude of traffic flow demand, congestion
Problem is increasingly serious.On the one hand, with the Informatization Development of Traffic Systems, traffic administration tends to be large-scale with control system
Change, complicate development, the characteristics of information and data that system is related to have been provided with big data.Existing controller for urban single intersection
System can not meet the development of urban transportation, be badly in need of development new traffic administration control method and system, to highdensity city
Traffic flow is managed and controlled.On the other hand, continuing to develop with computer and network technology, particularly intelligence computation,
The technologies such as data mining, big data parser are continued to develop, the ability of computer system processor magnanimity information and big data
Improve constantly so that realize that intelligentized traffic administration and control turn into by the Information Technology Methods of cloud computing, big data etc.
May.
Authorization Notice No. is CN106355885A patent of invention, discloses the traffic signals based on big data analysis platform
Dynamic control method and system, Authorization Notice No. are CN203084932U invention, disclose intelligent transportation and indicate system, authorize
Notification number is CN101231788B patent of invention, discloses vehicle shunting traffic lights and its application, Authorization Notice No. is
CN204510092U patent of invention, discloses a kind of multifunctional traffic part flow arrangement, and Authorization Notice No. is CN104778849B
Patent of invention, disclose a kind of intelligent transportation system of transport hub, Authorization Notice No. is CN104727197A invention
Patent, discloses a kind of design method of expressway, and Authorization Notice No. is CN104200683A patent of invention, discloses one
Plant the city road based on intelligent transportation system and shunt inducible system in real time, Authorization Notice No. is special for CN102360529B invention
Profit, discloses the System and method for for directly obtaining urban road passage rate, and Authorization Notice No. is CN101727747A invention
Patent, discloses the abnormal road jam alarming method based on flow detection, and Authorization Notice No. is CN103347175A hair
Bright patent, discloses the monitoring system based on wireless bridge, and Authorization Notice No. is CN101409569B patent of invention, is disclosed
The matching process and wireless transmitter of wireless transmitter, Authorization Notice No. are CN101800563A patent of invention, open
Wireless receiving and transmitting method and its wireless transmitter is applied, Authorization Notice No. is CN103079271A patent of invention, open
A kind of localization method based on WLAN, Authorization Notice No. is CN201114138 patent of invention, is disclosed based on nothing
The vehicle real-time management system of line LAN, Authorization Notice No. is CN105590450A patent of invention, discloses a kind of utilization
The method that wireless network carries out management and control to urban road, Authorization Notice No. is CN103413445B patent of invention, discloses one
Intelligent road traffic signal system is planted, Authorization Notice No. is CN105869413A patent of invention, discloses and is regarded based on camera
The method of frequency detection vehicle flowrate and speed, Authorization Notice No. is CN204087488U patent of invention, discloses a kind of intelligence and hands over
Way system, Authorization Notice No. is CN104637327A patent of invention, discloses a kind of the new of urban road traffic congestion information
Type prompt system, Authorization Notice No. is CN103854492A patent of invention, discloses the design of intelligent transportation lamp control device,
Authorization Notice No. is CN205080748U patent of invention, discloses a kind of road traffic state monitoring system based on ZigBee
System, Authorization Notice No. is CN102419906A patent of invention, discloses automatic traffic flow detecting system, Authorization Notice No. is
CN205486806U patent of invention, discloses special bus flow intellectual monitoring camera, and Authorization Notice No. is
CN203849870U patent of invention, discloses traffic flow monitoring and signal light intelligent control system based on wireless network, authorizes
Notification number is CN205158624U patent of invention, discloses a kind of wireless senser control system for gathering transport information, awards
Notification number CN103164964A patent of invention is weighed, intelligent traffic signal lamp control system is disclosed, grant number is
CN205680280U patent of invention, discloses a kind of intelligent transportation electronic display inducible system, and Authorization Notice No. is
CN105894831A patent of invention, discloses Intelligent traffic control device, and Authorization Notice No. is CN101729872B invention
Patent, discloses among a kind of patents such as method based on video monitoring image automatic discrimination road traffic state, discloses fortune
The technology in terms of congestion and vehicle shunting with urban road.
The content of the invention
It is an object of the invention to overcome the problem above that prior art is present, there is provided a kind of traffic lights interval networking intelligence
Traffic system, the present invention can carry out interval real-time cancellation of networking by the vehicles passing in and out at section two ends crossing, calculate in real time
The speed of the quantity of various vehicles above section and various vehicles traveling, and various vehicles reach the time at crossing, realize
Intelligent control traffic lights, so that more efficient utilization path resource, reduces the congestion of road.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of intelligent traffic system of traffic lights interval networking, including main control board and be connected with main control board power supply,
Digital Image Processing module, traffic signalization module and radio receiving transmitting module；The Digital Image Processing module and camera
Connection, the vehicle image signal to receive camera collection by virtual coil is converted to data signal；The wireless receiving and dispatching
Module is connected with adjacent intelligent traffic system, the data signal to receive and/or launch the conversion of Digital Image Processing module；
The main control board is to receive the numeral that the data signal and radio receiving transmitting module of the conversion of Digital Image Processing module receive
Signal, controls traffic signalization module；The traffic signalization module is connected with traffic lights, to control traffic to believe
The time of startup and/or the closing of signal lamp.
Further, the traffic signalization module passes through the printed base plate of Omron Corp relay G5NB-1A
Control signal lamp state；The traffic signalization module main control chip is 80C52 single-chip microcomputers.
Further, the Digital Image Processing module is entered by the traffic camera at target crossing by video decoding chip
Driving video information collection, is transferred to Digital Image Processing module and carries out video information process analysis, utilize virtual coil car
Counting algorithm, just can obtain target road section and flow into wagon flow and/or the wagon flow of outflow.
Further, the Digital Image Processing module is arranged in camera pole containment vessel；Or the digital picture
Processing module uses digital signal processor DM642；Or the video decoding chip uses TVP5150 or SAA7115 chips.
Further, the radio receiving transmitting module includes wireless receiving module and wireless transmitter module, the wireless transmission
Data signal of the module to launch the conversion of Digital Image Processing module, the wireless receiving module is to receive adjacent intersection intelligence
The data signal of the Digital Image Processing module conversion of energy traffic system transmitting；Or the radio receiving transmitting module is using 433MHz frequencies
Section wireless data terminal DTD433.
Further, between the radio receiving transmitting module in the intelligent traffic system of the radio receiving transmitting module and adjacent intersection also
It is provided with bridge and/or repeater, the bridge and/or repeater are to pass through resending or turn to data-signal
Hair, to expand the distance of network transmission.
Further, the main control board includes control board, memory module and microprocessor, the microprocessor
It is connected by welding with control board, the control board and memory module, radio receiving transmitting module, Digital Image Processing mould
Block and the connection of traffic signalization module.
Further, the microprocessor is provided with control system, and the control system can be according to the digitized map of receiving
The data signal that the data signal and radio receiving transmitting module changed as processing module are received, after initialization, calculates the road
The inflow vehicle flowrate and outflow vehicle flowrate at section two ends crossing carry out the real-time cancellation that links, and constantly carry out calibration of the output results, so as to obtain
Accurate real-time section vehicle density is obtained, and controls traffic to believe by the vehicle density control program set in control system
Number control module, the conversion duration of traffic lights is controlled by traffic signalization module, and the microprocessor is micro- using 8086
Processor.
Further, deposited in the Digital Image Processing module, microprocessor and traffic signalization module provided with dynamic
Chip is stored up, the dynamic memory chip is used for data storage information.
Further, the memory module includes Micro SD card memory modules, and the Micro SD cards memory module is led to
Cross welding to be connected with control board, Micro SD RAM cards are provided with the Micro SD cards memory module.
Further, the camera gives Digital Image Processing module the traffic video information transfer that crossing is gathered, by
Digital Image Processing module carries out video information process analysis, using virtual coil counting algorithm, counts the current various cars in crossing
The quantity of type and the speed of traveling, and the data of statistics are transferred to microprocessor, microprocessor is provided with control system, control
System processed is received after the data of Digital Image Processing module transfer, and control radio receiving transmitting module orients the data-signal received
Next crossing is transferred to, while receiving the data-signal of upper crossing directive sending, passes through the program set in control system
Real-time cancellation is carried out, and by constantly carrying out result effect just, so as to obtain the various vehicles above accurate real-time section
Quantity and various vehicles traveling speed, and pass through the internal program set calculate obtain various vehicles reach crossings when
Between, the vehicle that crossing is reached in the vehicle fleet size and same time range above real-time section is first more than what is set in system
After initial value, corresponding control program is started according to the wagon flow quantity that crossing is reached in the same time by control system, by corresponding
Control program sends corresponding instruct and gives traffic signalization module, and traffic signalization module is received after corresponding instruction,
The internal corresponding control program of driving, controls current crossing traffic to believe by corresponding control program by traffic signalization module
Number red light and/or green light driving and/or closing time.
Further, virtual coil：Virtual coil is drawn as area-of-interest according to track first, then by sense
Interest region carries out background subtraction to obtain sport foreground, and more complete moving vehicle is then extracted by shadow removal.
Vehicle flow detection algorithm, vehicle detection algorithm and Bus- Speed Monitoring algorithm are finally called, according to the signal of change passed through in virtual coil
Go out by the speed in virtual coil, vehicle and vehicle number and obtain the vehicle condition in road.
The beneficial effects of the invention are as follows：
Novel in design, use of the invention, can carry out interval real-time phase of networking by the vehicles passing in and out at section two ends crossing
Disappear, calculate the quantity and the speed of various vehicles traveling of the various vehicles above real-time section, and various vehicles reach road
The time of mouth, intelligent control traffic lights are realized, so that more efficient utilization path resource, reduces the congestion of road.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, with presently preferred embodiments of the present invention and coordinate accompanying drawing to describe in detail below.This hair
Bright embodiment is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram 1 of main line priority pass of the present invention；
Fig. 2 is a kind of schematic diagram 2 of main line priority pass of the present invention；
Fig. 3 is a kind of schematic diagram 3 of main line priority pass of the present invention；
Fig. 4 is a kind of schematic diagram 4 of main line priority pass of the present invention；
Fig. 5 is a kind of schematic diagram 5 of main line priority pass of the present invention;
Fig. 6 is a kind of schematic diagram 6 of main line priority pass of the present invention；
Fig. 7 is a kind of schematic diagram 7 of main line priority pass of the present invention；
Fig. 8 is a kind of 1 schematic diagram of information alert shelves of the present invention；
Fig. 9 is a kind of 2 schematic diagrames of information alert shelves of the present invention；
Figure 10 is a kind of real-time water conservancy diversion figure in continuous crossing passed through beneficial to main line of the present invention;
Figure 11 is a kind of netted transport hub Contrast tuned imaging scheme schematic diagram of the present invention；
Figure 12 is a kind of netted transport hub Contrast tuned imaging scheme schematic diagram of the present invention；
Figure 13 is a kind of netted transport hub Contrast tuned imaging scheme schematic diagram of the present invention；
Figure 14 is a kind of netted transport hub Contrast tuned imaging scheme schematic diagram of the present invention；
Figure 15 is a kind of netted transport hub Contrast tuned imaging scheme schematic diagram of the present invention;
Figure 16 is a kind of current control device schematic diagram in crossing of the present invention；
Figure 17 is wagon flow real time monitoring apparatus schematic diagram in a kind of road of the present invention；
Figure 18 is a kind of current control device logical relation in crossing of the present invention and connection diagram；
Figure 19 is a kind of circuit diagram of intelligent traffic system of the present invention；
Figure 20 is a kind of microprocessor architecture schematic diagram of the present invention；
Figure 21 is a kind of image acquisition circuit schematic diagram of the present invention;
Figure 22 is a kind of 80C52 single chip computer architectures schematic diagram of the present invention；
Figure 23 is a kind of road embodiment schematic diagram of the present invention.
Label declaration in figure：Crossing is passed through control device 1, carrier shell support 2, governor circuit plate module 3, traffic information
Display module 4, Quick Connect Kit 5, information alert shelves 6 and wireless signal transmission reception device 7, reverse-timing display device 8, Lu Zhong
Wagon flow real time monitoring apparatus 9, road traffic camera device 10, sensor for countering 11, tachogenerator 12, vehicle model specification are known
Individual sensor 13, repeater fixed support 14, information acquisition system 15, current crossing traffic information viewing area 16, next crossing
Traffic information viewing area 17, lower crossing traffic information viewing area 18, handle 19.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Shown in 1~Figure 23 of reference picture, a kind of intelligent traffic system of traffic lights interval networking, including several are capable of phase internet
Pass through control device 1 at crossing, and the current control device 1 in the crossing includes carrier hardware and control process software, and the carrier is hard
Part includes carrier shell support 2, governor circuit plate module 3, information acquisition system 15, traffic information display module 4, quick connection
Device 5, information alert shelves 6 and wireless signal transmission reception device 7；The control process software includes information gathering and stores soft
Part, information extraction analysis software, traffic information display module control software, power management software, combined network communication information exchange soft
Part, information alert shelves display control software；The governor circuit plate module 3 is installed in carrier shell support 2, is provided with control
Software is handled, connects and stores software control information acquisition system 15 and wireless signal transmission reception device 7 with information gathering；Even
Connect and use traffic information display module control software to control traffic information display module 4, connection and controlled with information alert shelves display
Software control information processed points out shelves 6；Connect and use combined network communication information switch software to control wireless signal transmission reception device 7,
The Quick Connect Kit 5 is located at the outer surface of carrier shell support 2, and control device 1 is passed through at each crossing can be with closing on
The crossing control device 1 that passes through be connected with each other, generation each unique address code and sequence code, and real-time exchange traffic is current has
Close information.
Further, the carrier hardware is additionally provided with reverse-timing display device 8, is connected with the governor circuit plate module 3,
And controlled display content by traffic information display module control software.
Further, the carrier hardware also includes wagon flow real time monitoring apparatus 9 in road, and wagon flow is monitored in real time in the road
Device 9 is connected with the current control device in neighbouring crossing by wireline cable or electromagnetic wave and exchanges information, is closed on positioned at two
Crossing is passed through between control device 1, and quantity is one or more.
Further, wagon flow real time monitoring apparatus is provided with camera 10, sensor for countering 11 in the road, test the speed sensing
One or more in device 12, vehicle model specification identification sensor 13；And it is provided with wireless signal transmission reception device
7, unique address code and sequence code are assigned, and real-time exchange traffic is current for information about.
Further, described information acquisition system 15 includes road traffic camera device 10 and wireless signal transmission receives dress
7 are put, the road traffic camera device 10 includes conventional speed and captures camera device, vehicle cab recognition camera device, car plate knowledge
One or more in other camera device, conventional Portable electronic camera device, the wireless signal transmission reception device 7 is set
Wireline cable or electromagnetic wave is equipped with to connect with the current control device 1 in neighbouring crossing and exchange the signal transmitting of information and receive dress
Put.
Further, the traffic information display module 4 is provided with one group, two groups, three groups or more than three groups.
Further, when the traffic information display module 4 is provided with multigroup, respectively current crossing traffic information is shown
Area 16, next crossing traffic information viewing area 17, lower crossing traffic information viewing area 18.
Further, the Quick Connect Kit 5 includes self-tapping screw hole post structure, rivet, nut bolt connection
One or more in structure, clip, buckle, elastic bar binding, magnetic structure, connect-disconnect structure, nested structure, are set
In the side or the back side of carrier shell support 2.
Further, described information prompting shelves 6 are arranged on the front and/or the back side of carrier shell support 2, including conventional letter
Display screen and convention display drive component are ceased, described information display screen includes liquid crystal display, LED screen or one kind in EL screens or one
More than kind, the content of display includes pattern and/or word, display mode be one kind in monoblock type, strip type or dot matrix or
More than one.
Further, the traffic information display module 4 is provided with two sides, and two sides is independently shown, and display it is current in
Hold opposite；The carrier shell support 2 is provided with handle 19.
Further, traffic signalization module is controlled by the printed base plate of Omron Corp with relay G5NB-1A
Signal lamp state；Traffic signalization module main control chip is 80C52 single-chip microcomputers.
Further, Digital Image Processing module enters driving by the traffic camera at target crossing by video decoding chip
The collection of video information, is transferred to Digital Image Processing module and carries out video information process analysis, utilize virtual coil vehicle meter
Method is figured, target road section just can be obtained and flow into wagon flow and/or the wagon flow of outflow.
Further, Digital Image Processing module is arranged in camera pole containment vessel；Or the Digital Image Processing
Module uses digital signal processor DM642；Or the video decoding chip uses TVP5150 or SAA7115 chips.
Further, radio receiving transmitting module includes wireless receiving module and wireless transmitter module, the wireless transmitter module
Data signal to launch the conversion of Digital Image Processing module, the wireless receiving module is intelligently logical to receive adjacent intersection
The data signal of the Digital Image Processing module conversion of row system transmitting；Or the radio receiving transmitting module using 433MHz frequency ranges without
Line number is according to terminal D TD433.
Further, also set up between the radio receiving transmitting module in radio receiving transmitting module and the intelligent traffic system of adjacent intersection
There are bridge and/or repeater, the bridge and/or repeater are by resending or forwarding to data-signal, to come
Expand the distance of network transmission.
Further, control system can be changed according to the Digital Image Processing module of receiving data signal and wireless receipts
The data signal that module is received is sent out, after initialization, the inflow vehicle flowrate and outflow wagon flow at the section two ends crossing is calculated
Amount progress links real-time cancellation, and constantly carries out calibration of the output results, so as to obtain accurate real-time section vehicle density, and leads to
The vehicle density control program control traffic signalization module of setting in control system is crossed, is controlled by traffic signalization module
The conversion duration of traffic lights, microprocessor uses 8086 microprocessors.
Further, it is provided with dynamic memory core in Digital Image Processing module, microprocessor and traffic signalization module
Piece, the dynamic memory chip is used for data storage information.
Further, memory module include Micro SD card memory modules, Micro SD cards memory module by welding with
Control board is connected, and Micro SD RAM cards are provided with the Micro SD cards memory module.
Further, camera gives Digital Image Processing module the traffic video information transfer that crossing is gathered, by numeral
Image processing module carries out video information process analysis, using virtual coil counting algorithm, counts the current various vehicles in crossing
The speed of quantity and traveling, and the data of statistics are transferred to microprocessor, microprocessor is provided with control system, control system
System is received after the data of Digital Image Processing module transfer, controls radio receiving transmitting module by the data-signal directional transmissions received
To next crossing, while receiving the data-signal of upper crossing directive sending, carried out by the program set in control system
Real-time cancellation, and by constantly carrying out result effect just, so as to obtain the number of the various vehicles above accurate real-time section
The speed of amount and various vehicles traveling, and the program set by inside calculates the time that various vehicles reach crossing that obtains,
The vehicle that crossing is reached in vehicle fleet size and same time range above real-time section is initial more than what is set in system
After value, corresponding control program is started according to the wagon flow quantity that crossing is reached in the same time by control system, controlled by accordingly
Processing procedure sequence sends corresponding instruct and gives traffic signalization module, and traffic signalization module is received after corresponding instruction, is driven
Dynamic internal corresponding control program, current crossing traffic signal is controlled by corresponding control program by traffic signalization module
Red light and/or green light driving and/or closing time.
Further, virtual coil：Virtual coil is drawn as area-of-interest according to track first, then by sense
Interest region carries out background subtraction to obtain sport foreground, and more complete moving vehicle is then extracted by shadow removal.
Vehicle flow detection algorithm, vehicle detection algorithm and Bus- Speed Monitoring algorithm are finally called, according to the signal of change passed through in virtual coil
Go out by the speed in virtual coil, vehicle and vehicle number and obtain the vehicle condition in road.
Further, described information collection storage software, includes the database of Standard of vehicle image or photo, in addition to
Lower operating procedure：
Step one, expected wagon flow data are stored, the information acquisition system at current crossing is obtained by wired loop or wireless signal
Wagon flow real time monitoring apparatus, a upper crossing are sended in road traffic camera device, road crossing dynamic video, electronics phase
The data such as piece, real-time traffic flow quantity, vehicle and road speed；Generation 0.5 minute, 1 minute, 2 minutes, 3 minutes, 5 minutes, 7 points
Clock, in the time of 10 minutes and more than 10 minutes, current crossing all directions will need current car flow information big data, and
Timing stores the data and entered in the data storage devices such as hard disk, USB flash disk, memory card or virtual hard disk, cloud disk；
Step 2, the actual current wagon flow data of storage, the information acquisition system at current crossing passes through wired loop or wireless signal
Crossing dynamic video, the electronic photographs sended over by road traffic camera device are obtained, current crossing is obtained and passes through
The data such as real-time traffic flow quantity, wagon flow direction, vehicle and road speed, in generation 0.5 minute, 1 minute, 2 minutes, 3 minutes
The actual wagon flow data produced, and store；
Step 3, storage still needs to current wagon flow task data in short-term, and actual current wagon flow data are subtracted with expected wagon flow data, raw
Current wagon flow quantity, wagon flow direction, vehicle and road speed etc. are still needed in short-term in into 0.5 minute, 1 minute, 2 minutes, 3 minutes
Wagon flow task data, and store；
Step 4, stores the historical data of real-time traffic flow, records wagon flow quantity, wagon flow direction, vehicle and the row at current crossing
The historical data of the actual passage situation such as vehicle speed；
Step 5, stores deviation data, calculates and stores the historical data of real-time traffic flow with being expected wagon flow data and still needing in short-term
Data difference between current wagon flow task data.
Step 6, the permission capacity set according to storage device, it is current that earliest expection wagon flow data, reality are deleted in circulation
Wagon flow data, current wagon flow task data is still needed in short-term.
Further, described information extraction and analysis software, including following operating procedure：
Step one, the communication time that two crossings closed on by same section same direction are passed through between control device, or in electricity
Virtual measurement on sub- map, calculates the distance and the range of driving between adjacent intersection, and calculate not using information extraction analysis software
Same speed needs the time expended；
Step 2, the data of information extraction analysis software gathering information collection storage software storage, and Standard of vehicle image or photograph
Image photo in the database of piece, video and photo that camera is shot with video-corder；
Image photo in the database of step 3, information extraction analysis software comparative analysis Standard of vehicle image or photo and take the photograph
The video and the difference of photo shot with video-corder as head, caught, contrasted by the key difference feature of image, being distinguished, judge video and
Car flow information in photo, is converted into the real-time traffic flow quantity fed back in information acquisition system, flow speeds, wagon flow direction and car
Type kind.
Step 4, the real time information that information extraction analysis software is recognized according to each information access mouthful of information acquisition system,
By vehicle, speed, car quantity, direction of traffic and information acquisition system with it is next must the distance through crossing, calculate and drive to down
The time that one crossing needs, wagon flow is by the maximum economic transit time and minimum economic transit time at next crossing, and most
The wagon flow information of forecasting that next crossings such as good transit time interval will pass through.
The analysis results such as wagon flow information of forecasting and economic transit time are passed through road by step 5, information extraction analysis software
Middle wagon flow real time monitoring apparatus and wireless signal transmission reception device are real-time transmitted to the current control device in crossing, the current pipe in crossing
Control device is imported by the optimal transit scenario of prediction suggestion and the actual wagon flow at current crossing and rolls situation away from, is calculated in real time and excellent
Change the traffic lights display combination at the current crossing of control, make the wagon flow passage rate at current crossing most fast, efficiency highest allows each as far as possible
The wagon flow in direction does not all hinder a direct line.
The signal command lamp control software of the application is applied with School of Computer Science of Tianjin Chenjian University《A kind of dynamic traffic signal
Lamp and its display methods》, patent No. CN201410192387.5 patent is compared, and does not have obvious creativeness, due to saying
Bright page number is restricted, is no longer described in detail, and industry professional may be referred to or directly apply CN201410192387.5 skill
Art scheme.
The power management software of the application is applied with Oracle America Co., Ltd.《Utilize the side of the power management of tracking data
Method and system》, patent No. CN201410319755.8 patent is compared, and does not have obvious creativeness, due to illustrates page
Number is restricted, is no longer described in detail, and industry professional may be referred to or directly apply CN201410319755.8 technical scheme.
With reference to CN201410479924.4《Networking software integrated approach and device》、CN201110329751.4 《It is a kind of
The method and system of connection of mobile terminal into network》And CN201210117171.3《SSL VPN traffics based on data link layer
Method》Three patents, the combined network communication information switch software of the application, and without obvious creative, industry professional people
Member can apply 3 patented technologies above according to reference or directly.
With reference to CN200820078844.8《LED display control units and LED display control programs》、
CN201610077585.6 《Receive card, LED display controls and recording system, LED display control methods》With
CN201511025802.9 《The implementation method of ethernet communication is carried out with LED display control cards》, the information alert shelves of the application
Display control software, and without obvious creativeness, industry professional can be according to reference or directly more than application 3
Patented technology.
Specific embodiment：
The intelligent pipe diameter design at single crossing：Wagon flow is real-time in road traffic camera device 10 and road in information acquisition system 15
Supervising device 9 sends the data to information gathering storage software, information extraction analysis software by camera shooting and analyzed
After obtain, or pass through in road wagon flow real time monitoring apparatus 9 set sensor for countering 11, tachogenerator 12, vehicle model
Specification identification sensor 13 obtains the wagon flow quantity between all directions crossing and section, and the wagon flow such as vehicle and road speed is counted in real time
According to the optimal right of way signal time interval of calculating all directions, the red greenish-yellow signal lamp at optimization commander's all directions crossing, Bing Jiangzhe roads
The actual real-time vehicle traffic information of mouth is sent to the current control device 1 in the corresponding crossing for closing on crossing relevant position, under
One crossing is planned and optimization right of way signal provides advantageous information, as shown in figs. 1-7.
Such as：A certain crossing, the western vehicle forward of east orientation 50, turns right 15, turns left 20, and crossing is without stop normal pass
The time is needed to need 3 minutes, western vehicle forward 30 eastwards turn right 5, turned left 15, no stop normal pass needs the time
2 minutes are needed, south orientation north preceding vehicle 15 is turned left 12, turned right 25, and no stop normal pass needs the time to need 1 point
Clock, north orientation Namas's vehicle pass-through can be then optimized at this crossing, the continuous straight trip green light in east orientation west 2 minutes, red light 1.5 minutes,
Green light is turned left after 0.5 minute simultaneously, red light 2 minutes, then green light 1 minute, green light always of turning right；The red light while west is kept straight on eastwards
After 0.5 minute, green light 2 minutes, in red light 1 minute, turns left green light after 0.5 minute, red light 2.5 minutes, then green light 0.5 minute；
South orientation north straight trip red light after 2.5 minutes simultaneously, green light 0.5 minute, then red light 0.5 minute, the red light 2 minutes of turning left, 0.5 point of green light
Clock, then red light 1 minute；North orientation Namas's car, then red light always, by existing intelligent traffic light control system, a crossing is once at least needed
4.5 minutes, cycle are wanted, just can guarantee that and pass through completely, of the invention then be compressed to 3.5 minutes, single puies forward effect 23%, so continuously
Current, the present invention calculates in real time and changes optimal passage mode, is not in jam, and current existing intelligent traffic light
System, then occur non-percent of pass 23% for the first time, and retention 20, vehicle in east orientation west is increased again to 40, third time for the second time
60 are increased again to, when the vehicle head and the tail connecting length for not obtaining barrier free accessibility is more than the link length between two crossings
1/3rd when, that is, necessarily lead to congestion, when the first connecting length of not current vehicle is more than the road between two crossings
Length 1/2nd when, produce heavy congestion, during more than 2/3rds, then congestion to be difficult to continue pass through.
The intelligent pipe diameter design at the multiple crossings of linear direction：Linear direction crossing can be divided into previous crossing, current road
Mouthful and latter crossing, previous crossing by wagon flow real time monitoring apparatus 9 in road or wireless signal transmission reception device 7 will before all the way
The information such as the speed of the quantity of the various vehicles of the statistics of mouth, vehicle specification and traveling are sent to current crossing in real time, previous
Crossing includes a crossing on linear direction, and upper the one of intersection, which turns right, imports upper the one of crossing and intersection and turn left remittance road
Mouthful, information and the camera at this crossing and each sensing that the governor circuit plate module 3 at current crossing is provided according to previous crossing
The real-time monitoring of device, optimizes current crossing passage mode, and the wagon flow at current crossing is imported, the dynamic headroom number such as wagon flow is produced
According to, wagon flow quantity, the wagon flow real time data such as vehicle and road speed passes through wagon flow real time monitoring apparatus 9 or wireless signal in road
Sending and receiving apparatus 7 is sent to the governor circuit plate module 3 at latter crossing, next for next crossing pretension and timely plan optimization
The current strategy at crossing, it is ensured that traffic efficiency is maximized, if necessary can be according to the actual vehicle flowrates of real-time all directions by road
Pass through the switching growth time main channel uninterrupted green light of control device 1 at all crossings, and subaisle the concentration short time, if
It is that a certain unidirectional wagon flow in peak period on and off duty, especially main channel is excessive, can be by the road when other direction wagon flow is rare
Partial section or whole sections carry out the short time or automatically switch to the pattern that one-way road blocks by nothing for a long time, by current car
Road is double and is compressed to a certain by the time that Stop and give way or minimizes, and unidirectional tidal type super-flow wagon flow can be passed through
Efficiency improves more than 20-80 times, as seen in figs. 8-10.
The intelligent pipe diameter design of multiple netted intersections of linear direction：It is small long holidays, large-scale similar with spring transportation, long holidays
Activity, and flourishing urban inner are interval, intercity interval, peak period on and off duty, the current requirement of tidal type flood tide wagon flow often occur,
Existing intelligent traffic light control system can not meet such current requirement, open electronic map, check real-time traffic situation, can
To find thickly dotted congestion section, short distance needs to spend more than 10 times of conventional transit time, and easily grows
Raw car accident, has news report in 2013：Up to 121,000,000,000 dollars of the U.S. year traffic congestion loss, Chinese multiple tourist cities have several
Its daily traffic congestion loss surpasses hundred million yuan, and domestic year traffic congestion loss also has as many as hundreds billion of members, and heavy losses, the present invention is especially fitted
Close and solve such challenge, the present invention can be imported according to the wagon flow at each crossing, dynamic headroom data, the car such as wagon flow is produced
Quantity, the wagon flow real time data such as vehicle and road speed are flowed, analysis calculates the transit scenario that highest effect is optimized, according to wagon flow
Countless crisscross road networks of whole region are carried out unified planning by characteristic, the current letter of switching in real time
Number, guiding and calculating wagon flow carry out shunting and passed through, and the automatic integrated optimization of road of middle wagon flow principal direction is changed into forward direction
One-way road, the road optimization of both sides of the edge is changed to reverse one-way road or two-way line, in middle positive one-way road road
Part crossing sets the crossing for allowing to turn left or turning right during straight trip, it is ensured that main line is uninterruptedly unimpeded, in the case that no red light hinders,
Allow needs from left to right, or vehicle from right to left without stop do not meet red light pass through main channel, allow whole road network to look after completely
The passing road quantity in main wagon flow direction is maximized, and without the lasting walking of red light constraint when passing through, makes full use of road surface, and take into account not
The traffic efficiency in other directions is excessively influenceed, as shown in figs. 11 and 15.
When using other embodiments of the invention, the traffic video information transfer that camera gathers crossing is to digital picture
Processing module, video information process analysis is carried out by Digital Image Processing module, and using virtual coil counting algorithm, statistics is current
The quantity of the various vehicles in crossing and the speed of traveling, and the data of statistics are transferred to microprocessor, microprocessor is provided with
Control system, control system is received after the data of Digital Image Processing module transfer, and control radio receiving transmitting module will be received
Data-signal directional transmissions, while receiving the data-signal of upper crossing directive sending, pass through control system to next crossing
The program of interior setting carries out real-time cancellation, and by constantly carrying out result effect just, so as to obtain on accurate real-time section
The speed of the quantity of the various vehicles in face and various vehicles traveling, and the program set by inside calculates the various vehicles of acquisition
The vehicle at arrival crossing, which exceedes, in the time at arrival crossing, the vehicle fleet size and same time range above real-time section is
After the initial value set in system, corresponding control journey is started according to the wagon flow quantity that crossing is reached in the same time by control system
Sequence, sends corresponding instruct by corresponding control program and gives traffic signalization module, traffic signalization module receives phase
After the instruction answered, the internal corresponding control program of driving is worked as by corresponding control program by the control of traffic signalization module
The time of driving and/or the closing of the red light and/or green light of preceding crossing traffic signal.
As shown in figure 4, when the camera on No. 1 crossing photographs vehicle and enters the section at No. 4 crossings, will photograph
Data-signal No. 4 crossings are sent to by radio receiving transmitting module, receiving No. 1 crossing by the radio receiving transmitting module at No. 4 crossings sends out
The data at current No. 4 crossings and No. 1 crossing are believed by the data-signal sent by microprocessor by the program set in control system
Number real-time cancellation is carried out, and by constantly carrying out result effect just, so as to obtain the various cars above accurate real-time section
The speed of the quantity of type and various vehicles traveling, and the various vehicles of program calculating acquisition set by inside reach No. 4 tunnels
The vehicle at No. 4 crossings is reached in the time of mouth, the vehicle fleet size and same time range above real-time section more than 20
During less than 30, by vehicle flowrate of the control system according to arrival, start the internal V2 grade control programs set（Such as V1 grades of programs
10~20,20~30, V3 grades programs of V2 grades of programs be more than 30）, V2 instructions are sent to traffic signals by control system
Control module, traffic signalization module is received after V2 instructions, the corresponding T2 time-program(me)s of the internal V2 instructions of driving（Such as T1
45 seconds time, 90 seconds T2 times, 200 seconds T3 times）, No. 4 crossings are controlled by traffic signalization module by T2 time-program(me)s
Traffic lights start the duration of green light.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of intelligent traffic system of traffic lights interval networking, it is characterised in that：Including main control board and and governor circuit
Power supply, Digital Image Processing module, traffic signalization module and the radio receiving transmitting module of plate connection；The Digital Image Processing
Module is connected with camera, and the vehicle image signal to receive camera collection by virtual coil is converted to data signal；
The radio receiving transmitting module is connected with adjacent intelligent traffic system, is turned to receive and/or launch Digital Image Processing module
The data signal changed；Data signal and wireless receiving and dispatching mould of the main control board to receive the conversion of Digital Image Processing module
The data signal that block receives, controls traffic signalization module；The traffic signalization module is connected with traffic lights, is used
To control the startup and/or closing of traffic lights.
2. networking intelligent traffic system in a kind of traffic lights interval according to claim 1, it is characterised in that：The traffic letter
The printed base plate relay G5NB-1A control signal lamp states that number control module passes through Omron Corp；The traffic signals
Control module main control chip is 80C52 single-chip microcomputers.
3. networking intelligent traffic system in a kind of traffic lights interval according to claim 1, it is characterised in that：The digitized map
Number is transferred to by video decoding chip progress automobile video frequency information gathering by the traffic camera at target crossing as processing module
Word image processing module carries out video information process analysis, using virtual coil vehicle count algorithm, just can obtain target road
Section flows into wagon flow and/or the wagon flow of outflow.
4. networking intelligent traffic system in a kind of traffic lights interval according to claim 1, it is characterised in that：The digitized map
As processing module is arranged in camera pole containment vessel；Or the Digital Image Processing module uses digital signal processor
DM642；Or the video decoding chip uses TVP5150 or SAA7115 chips.
5. networking intelligent traffic system in a kind of traffic lights interval according to claim 1, it is characterised in that：The wireless receipts
Sending out module includes wireless receiving module and wireless transmitter module, and the wireless transmitter module is to launch Digital Image Processing module
The data signal of conversion, Digital Image Processing of the wireless receiving module to receive the intelligent traffic system transmitting of adjacent intersection
The data signal of module conversion；Or the radio receiving transmitting module uses 433MHz frequency range wireless data terminals DTD433.
6. networking intelligent traffic system in a kind of traffic lights interval according to claim 1, it is characterised in that：The wireless receipts
Bridge and/or repeater are additionally provided between radio receiving transmitting module in hair module and the intelligent traffic system of adjacent intersection, it is described
Bridge and/or repeater are to by resending or forwarding to data-signal, to expand the distance of network transmission.
7. networking intelligent traffic system in a kind of traffic lights interval according to claim 1, it is characterised in that：The master control electricity
Road plate includes control board, memory module and microprocessor, and the microprocessor is connected by welding with control board, institute
Control board is stated to be connected with memory module, radio receiving transmitting module, Digital Image Processing module and traffic signalization module.
8. networking intelligent traffic system in a kind of traffic lights interval according to claim 7, it is characterised in that：The microprocessor
Device is provided with control system, data signal and nothing that the control system can be changed according to the Digital Image Processing module of receiving
The data signal that line transceiver module is received, after initialization, calculates inflow vehicle flowrate and the outflow at the section two ends crossing
Vehicle flowrate link real-time cancellation, and constantly carries out calibration of the output results, so that accurate real-time section vehicle density is obtained,
And traffic signalization module is controlled by the vehicle density control program set in control system, by traffic signalization module
The conversion duration of traffic lights is controlled, the microprocessor uses 8086 microprocessors.
9. the intelligent traffic system of a kind of traffic lights interval networking according to claim 1 or 7, it is characterised in that：The number
Dynamic memory chip, the dynamic memory chip are provided with word image processing module, microprocessor and traffic signalization module
For data storage information.
10. networking intelligent traffic system in a kind of traffic lights interval according to claim 7, it is characterised in that：The storage
Module includes Micro SD card memory modules, and the Micro SD cards memory module is connected by welding with control board, institute
State and Micro SD RAM cards are provided with Micro SD card memory modules.
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| CN201710449491.1A CN107316469A (en) | 2017-06-14 | 2017-06-14 | A kind of intelligent traffic system of traffic lights interval networking |
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| CN201710449491.1A CN107316469A (en) | 2017-06-14 | 2017-06-14 | A kind of intelligent traffic system of traffic lights interval networking |
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| CN111681430A (en) * | 2020-04-30 | 2020-09-18 | 安徽科力信息产业有限责任公司 | Method for predicting number of stop lines of signal lamp intersection in future in real time |
| CN113689716A (en) * | 2021-07-27 | 2021-11-23 | 广州安凯微电子股份有限公司 | Traffic signal transmission method and system based on BLE |
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