CN102157071A - Intelligent traffic management system and control method based on inter-vehicle network - Google Patents
Intelligent traffic management system and control method based on inter-vehicle network Download PDFInfo
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Abstract
An intelligent traffic management system based on inter-vehicle network comprises a wireless communication module, a calculation module, a control module, a traffic light signal display module, a storage module and a fault detection module; the system is communicated with an inter-vehicle network managing device on a vehicle by the wireless communication module, and calculates traffic flow and vehicle density at an intersection via combining with the algorithm in the calculation module. The technical scheme of the invention can effectively solve the technical problems that the traffic signal control system in the prior art can not obtain the traffic flow and the traffic speed precisely, so as to cause low road passing-through efficiency, and energy sources and time are wasted; the traffic information of the vehicles at intersections can be precisely obtained, so as to adjust the time of the traffic lights in time and improve the road passing-through efficiency; the speeds of special vehicles like fire trucks, ambulance and the like are ensured; the function of automatic fault detection is provided; the time of the traffic lights at intersections is optimized; and the traffic efficiency is improved.
Description
Technical field
The present invention relates to traffic control system manufacturing technology field, specifically, relate to a kind of Intelligent traffic management systems based on the car internet.
Background technology
Current, along with continuous progress in science and technology and social fast development, the vehicle guaranteeding organic quantity in some cities increases rapidly, thereby causes city, the traffic conflict between intercity to become increasingly conspicuous.There is congested in traffic situation about stopping up invariably in the big city of countries in the world.Because congested in traffic, people consume every day upper and lower class time ratio at ordinary times on average how 1.5 hours, the while has also caused the commercial transportation vehicle to be incured loss through delay in traffic, has increased transportation cost.Yet limited soil and economic constraints etc. make road construction can not reach relative satisfied mileage number, and this just need be under the prerequisite of not expanding road network scale, the traffic capacity of raising road network.
Present traffic signal control system is generally the set time traditional control system, and promptly the transit time at each crossing is fixed.So often appearing on the track of red light has a lot of vehicle queues, and the phenomenon of empty none car on the track of green light, the road inefficiency.Existing traffic control system has following technical matters:
1, existing traffic control system can not be carried out in good time intelligent allocation to traffic lights as required;
2, existing traffic control system does not possess fault detect and alert capability, and when promptly the traffic lights of traffic intersection or turn signal lamp etc. broke down, traffic control center can not be known in the very first time; Can not be keeped in repair timely when causing traffic lights to break down, be occurred the situation of traffic disturbance easily, increased the occurrence probability of traffic hazard.
Also there is the traffic signal control system of some mechanism's research self-adapting types present stage, to attempt to solve above-mentioned technical matters; But because traffic signal control system can't obtain information such as vehicle flowrate, vehicle pass-through speed accurately, therefore, little to the traffic efficiency effect that improves road, it is low still can't to solve road efficient, and then the energy and the waste of time problem that produce.
Summary of the invention:
Technical scheme provided by the invention technical matters to be solved is, traffic signal control system of the prior art can't obtain vehicle flowrate, vehicle pass-through speed accurately, thereby make road efficient low, and then technical matterss such as the energy that produces and waste of time; And a kind of Intelligent traffic management systems based on networking, car border has been proposed.
Design concept of the present invention is based on and forms on the basis of car internet technical development, utilize ripe car internet Communications Management Units to send the related data parameter information of vehicle, as vehicle length, the speed of a motor vehicle, vehicle center coordinate etc., and with these information and traffic control system realization transmission in real time and shared, thereby the purpose of realization intelligent traffic administration system.
Technical scheme provided by the present invention is, a kind of Intelligent traffic management systems based on networking, car border, described Intelligent traffic management systems comprises wireless communication module, computing module, control module, traffic lights signal display module, memory module, fault detection module; Described computing module is connected with memory module, wireless communication module, control module respectively; Described control module also is connected with wireless communication module, system failure detection, traffic lights display module respectively; Described traffic lights display module one end is connected with control module, and the other end is connected with the described system failure; Described wireless communication module is connected with car internet Communications Management Units by radio signal.
Described Intelligent traffic management systems has identical communication protocol with car internet Communications Management Units, and described wireless communication module receives the data-signals such as vehicle length, the speed of a motor vehicle and vehicle center coordinate that send from car internet Communications Management Units.
The shape at current crossing and the longitude and latitude coordinate in each track are preserved in described memory module inside.
Be provided with global position system in the described car internet Communications Management Units, obtain the data-signals such as vehicle center coordinate of described current vehicle by described global position system.
A kind of Intelligent traffic management systems control method based on networking, car border, described Intelligent traffic management systems comprises wireless communication module, computing module, control module, traffic lights signal display module, memory module, fault detection module; Described computing module receives and/or sends signal to memory module, wireless communication module, control module respectively; Described control module receives and/or signalling to wireless communication module, system failure detection respectively again, and described control module is to the unidirectional signal that sends of described traffic lights display module; Described traffic lights display module receives the signal from control module, and sends signal to described system failure detection; Described fault detect receives the signal from the traffic lights display module; Described wireless communication module receives the radio signal that comprises vehicle data information that car internet Communications Management Units sends.Described Intelligent traffic management systems is according to the vehicle data information that receives, and in conjunction with algorithm computation intersection vehicle flux, the car density of described computing module inside, and then send instruction to the traffic lights signal display module by control module, optimize signal lamp in good time and show.
Described Intelligent traffic management systems has identical communication protocol with car internet Communications Management Units, and described vehicle data information comprises the data messages such as vehicle length, the speed of a motor vehicle and vehicle center coordinate of current vehicle; Described car internet Communications Management Units sends to wireless communication module with data messages such as the length of vehicle, the speed of a motor vehicle, vehicle center coordinates and receives; Described vehicle center coordinate is the current latitude and longitude coordinates of vehicle, obtains data message by car internet Communications Management Units by built-in global position system.
Described computing module extracts the crossing data, and according to the vehicle data information that wireless communication module receives, determines the vehicle fleet size on each track; Calculate time and the distance that vehicle arrives stop line according to vehicle location simultaneously; Described computing module is according to the distance of the vehicle fleet size on the track, vehicle pass-through speed, vehicle and stop line and the time of vehicle arrival stop line, calculate the traffic lights time in each track, and the transit time data are sent to control module, by control module control traffic lights signal display module.
Described traffic lights display module module can be provided with the traffic lights of varying number according to the difference of crossing shape; Traffic lights display module module shows traffic light signal under the control of control module.
Described fault detection module detects the fault of traffic lights display module module; And fault-signal fed back to control module; After control module receives fault-signal, send to traffic control center by wireless communication module.
Described wireless communication module is when the urgent traffic information that the vehicle-mounted car internet equipment of receiving such as special cars such as police car, fire truck and ambulances sends, computing module is controlled the light on and off of traffic lights by calculating special car in advance to the time at crossing, makes special car pass through the crossing with the fastest speed;
Described computing module is by judging to the passage rate of crossing vehicle whether the crossing occurs blocking up, if jam situation occurs, the prior-release direction of blocking up, and warning message is set, the crossing traffic situation is sent to traffic control center, be that wireless communication module sends to vehicle-mounted car internet equipment with traffic information through wireless network module simultaneously, be convenient to the driver and adjust the walking along the street line.
Technical scheme provided by the present invention, traffic signal control system of the prior art can be effectively solved and vehicle flowrate, vehicle pass-through speed can't be obtained accurately, thereby make road efficient low, and then technical matterss such as the energy that produces and waste of time, the present invention simultaneously has the following advantages:
1, can accurately obtain the traffic information of crossing vehicle timely, adjust the time of traffic lights timely, improve the traffic efficiency of road.
2, can discern as special cars such as ambulance, fire truck, police cars, when vehicle carries out an urgent task, guarantee the passage rate of special car.
3, have the automatic fault measuring ability, can make traffic control center find and keep in repair the traffic signals management equipment timely.Guarantee the traffic efficiency at crossing, guarantee traffic safety.
Description of drawings
In conjunction with the accompanying drawings, the present invention is described further
Fig. 1 is an Intelligent traffic management systems structural representation of the present invention;
Fig. 2 is the installation site synoptic diagram of Intelligent traffic management systems;
Wherein, 1 is Intelligent traffic management systems; 2 is computing module; 3 is control module; 4 is the traffic lights signal display module; 5 is memory module; 6 is fault detection module; 7 is wireless communication module; 8 is signal lamp; 9 is car internet Communications Management Units; 10 is vehicle length; 11 is the speed of a motor vehicle; 12 is the vehicle center coordinate.
Embodiment
Shown in Fig. 1-2, a kind of Intelligent traffic management systems 1 based on the car internet comprises wireless communication module 7, computing module 2, control module 3, traffic lights signal display module 4, memory module 5, fault detection module 6.System communicate by letter with the car internet Communications Management Units 9 on the vehicle by wireless communication module 7, and in conjunction with algorithm computation intersection vehicle flux, the car density of computing module 2 inside, and then the time of optimization of road joints traffic lights, raising vehicle pass-through efficient.
Intelligent traffic management systems 1 has with car internet Communications Management Units 9 and has identical communication protocol.Car internet Communications Management Units 9 sends to wireless communication module 7 with vehicle length 10, the speed of a motor vehicle 11, vehicle center coordinate 12 data and receives.
Car internet Communications Management Units 9 is by the latitude and longitude coordinates of the vehicle center coordinate 12 of inner global position system acquisition.
The shape at current crossing and the longitude and latitude coordinate in each track have been preserved in memory module 5 inside.Computing module 2 extracts the crossing data, and according to the vehicle data that wireless communication module 7 receives, determines the vehicle fleet size on each track.Calculate time and the distance that vehicle arrives stop line according to vehicle location simultaneously.
The traffic signals display module can be placed the traffic lights of varying number according to the difference of crossing shape.The traffic signals display module shows traffic light signal under the control of control module 3.
Wireless communication module 7 is when the urgent traffic information that the vehicle-mounted car internet equipment of receiving such as special cars such as police car, fire truck and ambulances sends.Computing module 2 is controlled the light on and off of traffic lights by calculating special car in advance to the time at crossing, makes special car pass through the crossing with the fastest speed.
Realize the required hardware device of the object of the invention, be existing hardware equipment, aim of the present invention, be that core of the present invention is that related data information and traffic control system with vehicle connects, the information transmission that realizes information of vehicles and traffic control system is with shared, thereby the control executive system, the purpose of realization intelligent traffic administration system.
Although above the specific embodiment of the present invention is described; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those skilled in the art is under enlightenment of the present invention; under the situation that does not break away from aim of the present invention, can also make a lot of distortion, these all belong to protection scope of the present invention.
Claims (10)
1. Intelligent traffic management systems based on networking, car border, it is characterized in that described Intelligent traffic management systems (1) comprises wireless communication module (7), computing module (2), control module (3), traffic lights signal display module (4), memory module (5), fault detection module (6); Described computing module (2) is connected with memory module (5), wireless communication module (7), control module (3) respectively; Described control module (3) also is connected with wireless communication module (7), system failure detection, traffic lights (8) display module respectively; Described traffic lights (8) display module one end is connected with control module (3), and the other end is connected with the described system failure; Described wireless communication module (7) is connected with car internet Communications Management Units (9) by radio signal.
2. a kind of Intelligent traffic management systems according to claim 1 based on networking, car border, it is characterized in that, described Intelligent traffic management systems (1) has identical communication protocol with car internet Communications Management Units (9), and described wireless communication module (7) receives vehicle length (10), the speed of a motor vehicle (11) and the vehicle center coordinate data-signals such as (12) that sends from car internet Communications Management Units (9).
3. a kind of Intelligent traffic management systems based on networking, car border according to claim 1 and 2 is characterized in that, described memory module (5) inside is provided with the shape at current crossing and the longitude and latitude coordinate in each track.
4. a kind of Intelligent traffic management systems according to claim 3 based on networking, car border, it is characterized in that, be provided with global position system in the described car internet Communications Management Units (9), described car internet Communications Management Units (9) obtains the vehicle center coordinate data-signals such as (12) of current vehicle by described global position system.
5. Intelligent traffic management systems control method based on networking, car border, it is characterized in that described Intelligent traffic management systems (1) comprises wireless communication module (7), computing module (2), control module (3), traffic lights signal display module (4), memory module (5), fault detection module (6);
Described computing module (2) receives and/or sends signal to memory module (5), wireless communication module (7), control module (3) respectively;
Described control module (3) receives and/or sends signal to wireless communication module (7), system failure detection respectively again, and described control module (3) is to the unidirectional signal that sends of described traffic lights (8) display module;
Described traffic lights (8) display module receives the signal from control module (3), and sends signal to described system failure detection;
Described fault detect receives the signal from traffic lights (8) display module;
Described wireless communication module (7) receives the radio signal that comprises vehicle data information that car internet Communications Management Units (9) sends.
Described Intelligent traffic management systems (1) is according to the vehicle data information that receives, and in conjunction with described computing module (2) inner algorithm computation intersection vehicle flux, car density, and then send instruction to traffic lights signal display module (4) by control module (3), optimize signal lamp (8) in good time and show.
6. a kind of Intelligent traffic management systems control method according to claim 5 based on networking, car border, it is characterized in that, described Intelligent traffic management systems (1) has identical communication protocol with car internet Communications Management Units (9), and described vehicle data information comprises vehicle length (10), the speed of a motor vehicle (11) and the vehicle center coordinate data messages such as (12) of current vehicle; Described car internet Communications Management Units (9) sends to wireless communication module (7) reception with length, the speed of a motor vehicle (11), the vehicle center coordinate data messages such as (12) of vehicle; Described vehicle center coordinate (12) is the current latitude and longitude coordinates of vehicle, obtains data message by car internet Communications Management Units (9) by built-in global position system.
7. according to claim 5 or 6 described a kind of Intelligent traffic management systems control methods based on networking, car border, it is characterized in that, described computing module (2) extracts the crossing data, and according to the vehicle data information that wireless communication module (7) receives, determines the vehicle fleet size on each track; Calculate time and the distance that vehicle arrives stop line according to vehicle location simultaneously; Described computing module (2) is according to the distance of the vehicle fleet size on the track, vehicle pass-through speed, vehicle and stop line and the time of vehicle arrival stop line, calculate the traffic lights time in each track, and the transit time data are sent to control module (3), by control module (3) control traffic lights signal display module (4).
8. a kind of Intelligent traffic management systems control method based on networking, car border according to claim 7 is characterized in that described traffic lights (8) display module module can be provided with the traffic lights of varying number according to the difference of crossing shape; Traffic lights (8) display module module shows traffic light signal under the control of control module (3).
9. a kind of Intelligent traffic management systems control method based on networking, car border according to claim 8 is characterized in that, described fault detection module (6) detects the fault of traffic lights (8) display module module; And fault-signal fed back to control module (3); After control module (3) receives fault-signal, send to traffic control center by wireless communication module (7).
10. a kind of Intelligent traffic management systems control method based on networking, car border according to claim 9 is characterized in that,
Described wireless communication module (7) is when the urgent traffic information that the vehicle-mounted car internet equipment of receiving such as special cars such as police car, fire truck and ambulances sends, computing module (2) is controlled the light on and off of traffic lights by calculating special car in advance to the time at crossing, makes special car pass through the crossing with the fastest speed;
Described computing module (2) is by judging to the passage rate of crossing vehicle whether the crossing occurs blocking up, if jam situation occurs, the prior-release direction of blocking up, and warning message is set, the crossing traffic situation is sent to traffic control center, simultaneously traffic information is sent to vehicle-mounted car internet equipment through wireless communication module (7), be convenient to the driver and adjust the walking along the street line.
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