CN105489034A - Main line full traffic control system and method - Google Patents
Main line full traffic control system and method Download PDFInfo
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- CN105489034A CN105489034A CN201510602934.7A CN201510602934A CN105489034A CN 105489034 A CN105489034 A CN 105489034A CN 201510602934 A CN201510602934 A CN 201510602934A CN 105489034 A CN105489034 A CN 105489034A
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Abstract
The invention provides a main line full traffic control system, comprising a comprehensive traffic management platform, a crossing traffic signal control subsystem, a video monitoring subsystem, a roadside traffic information display subsystem, a in-car traffic information display subsystem, and an information transmission system. The comprehensive traffic management platform realizes sharing of information and integration of functions through collecting information of each subsystem, and realizes coordinated interaction among the subsystems, thereby effectively integrating traffic information resources. The system can reorganize and maintain arterial road traffic order, provides accurate and rational green wave band timing plans, guides drivers to drive according to rules, and has important effect on improving traffic signal control efficiency.
Description
Technical field
The present invention relates to road traffic control technical field, specifically, relate to the complete traffic control system of a kind of main line and method.
Background technology
The effective means that traffic signalization is considered to alleviate traffic congestion, promotes traffic network efficiency of operation.At present, the existing multiple technology controlled for road traffic signal, such as: MAXBAND, TRANSYT, SCOOT, SCATS, HiCon etc.; Application number be 201110169489.1 Chinese patent (title: urban traffic control Induction Control system) describe a kind of traffic administration data integration platform, this platform contains traffic signal control subsystem, traffic guidance display subsystem, traffic monitoring subsystem, mobile early warning subsystem and Traffic information demonstration subsystem; Application number be 201310114132.2 patent (title: a kind of urban traffic signal cooperative control system) describe a kind of urban traffic signal cooperative control system, wherein traffic surveillance and control system gathers traffic related information, and traffic signal control system is determined to control and induction strategies according to the traffic data collected.Application number be 201010604148.8 patent (title: serve the speed guiding method that the green ripple of urban trunk road controls) provide a kind of for the green wave propagation velocity bootstrap technique of urban trunk road.Application number is that the patent (title: a kind of dynamic bidirectional green wave band intelligent coordination control method for urban traffic trunk) of CN200810063709.0 describes the dynamic green wave band control method of a kind of main line.Whether car speed and motor behavior directly affect arterial traffic by the unimpeded operation of predetermined set.But these system and methods can not effectively manage, specification car speed and motor behavior, cannot ensure that main line green wave traffic normally runs.Therefore, be still improved arterial road traffic signalization efficiency, alleviate the space of road traffic blocking.
The laying of a large amount of sections video camera and the develop rapidly of computer vision technique, make monitoring and specification section car speed and motor behavior become possibility.If the monitoring of the motor behavior of vehicle is combined with traffic signalization, not only regularly can travel by specification vehicle, rectify and safeguard traffic order, the work efficiency of traffic signal control system can also be increased substantially.Based on this, the invention provides and a kind ofly fully utilize traditional road traffic signal controller (" hard controller "), section video camera (" medium-soft semihard controller "), variable message board (VMS), in-vehicle information prompt facility (" soft-controller ") etc., realize the complete coordinated control system of integration to arterial road road section traffic volume and crossing traffic.
Summary of the invention
In order to solve current road technical field of traffic control Problems existing, the invention provides the complete traffic control system of a kind of main line and method, its concrete technical scheme is as follows:
The complete traffic control system of a kind of main line, comprising: traffic information display subsystem, the information transmission system in comprehensive traffic management platform, crossing traffic signal control subsystem, video surveillance subsystem, trackside traffic information display subsystem, car, wherein:
In described crossing traffic signal control subsystem, video surveillance subsystem, trackside traffic information display subsystem, car, traffic information display subsystem is connected with comprehensive traffic management platform by the information transmission system;
Described video surveillance subsystem, comprises the video camera being arranged at each section/section, for the monitor data at Real-time Obtaining section/crossing, and store, uploaded videos/picture is to comprehensive traffic management platform;
Described crossing traffic signal control subsystem, comprises the traffic signal control of networking, carries out the green ripple access control of main line according to the monitor data of video surveillance subsystem.
Described trackside traffic information display subsystem, comprises the variable message board being arranged at trackside, for showing transport information in real time;
Traffic information display subsystem in described car, comprises the client being arranged at user Che Nei, for real-time exhibition traffic information, speed-limiting messages, control information, suggestion travel speed, vehicle movement violation/illegal feedback information;
The described information transmission system, the every data for section video camera monitoring system being obtained are transferred to crossing traffic signal control system, the information transmission such as violation/illegal activities are transferred to traffic information display subsystem in trackside traffic information display subsystem, car to comprehensive traffic management platform, the traffic advisory information that provided by traffic administration platform;
Described comprehensive traffic management platform, by collecting the information of subsystems, realizes sharing and function integrated of information, realizes the coordination linkage between each subsystem, effectively integrate transportation information resource.
Further, the monitor data of video surveillance subsystem collection comprises vehicle license, car speed, time headway, violation speed limit, illegal parking, changes in violation of rules and regulations, data are disorderly jumped the queue at crossing queue length, crossing.
Further, described video surveillance subsystem, can carry out rushing green light and capture, that is: when intersection, front is blocked, capture the vehicle entering crossing during green light.
Further, described crossing traffic signal control subsystem detects the time headway obtained according to video surveillance subsystem, and automatic calibration crossing saturation volume, head car start lost time, adjustment Traffic Signal Timing strategy.
Further, the transport information that described trackside traffic information display subsystem shows in real time comprises: traffic information, travel time information, speed-limiting messages, suggestion driving speed information, Weather information, control traffic message, traffic accident information, traffic event information.
Further, in described car, the client of traffic information display subsystem comprises one or more in smart mobile phone application, mobile unit, navigational system.
Further, it also comprises statistical study subsystem, described statistical study subsystem is connected with comprehensive traffic management platform, and for analyzing the traffic flow historical rethinking at a crossing, the traffic flow distribution of multiple urban road crossing, crossing vehicle head interval distribution, crossing saturation headway, head car starts lost time, section car speed distributes, crossing queue length distribution.
Further, it also comprises database, and described database is connected with comprehensive traffic management platform, in order to managed storage data.
A control method for the complete traffic control system of main line, comprises the following steps:
S1: behavior is changed in the flow speeds in video surveillance subsystem monitors acquisition Camera coverage, road occupancy, vehicle flowrate, vehicle license, time headway, crossing queue length, violation speed limit, illegal parking, violation, transfers to comprehensive traffic management platform;
S2: the vehicle average overall travel speed that crossing traffic signal control subsystem combining road video camera monitoring system obtains, arranges main line green wave band timing scheme;
S3: in trackside traffic information display subsystem or car, traffic information display subsystem to be offered suggestions travel speed to driver, that is: ensure the travel speed of green wave band operation;
S4: the vehicle in video surveillance subsystem monitors acquisition Camera coverage is according to suggestion travel speed ruuning situation.If vehicle runs not in accordance with suggestion travel speed, should be run by suggestion speed by traffic information display subsystem prompting driver in car;
S5: in trackside traffic information display system or car, traffic information display equipment provides peripheral path road conditions to driver, display is in real time from the nearest camera video stream of Current vehicle, and then driver can according to road conditions from main separation travel route.
Further, in step S3: suggestion travel speed is calculated as follows: to the vehicle being in the outer upstream of section video camera monitoring range, suggestion travel speed is green wave band design rate;
For the vehicle be in the video camera sensing range of section, be no more than under road speed limit condition, according to downstream intersection signal lamp main line direction green light excess time, suggestion travel speed is
wherein l is video camera distance downstream road junction distance, t
sgfor downstream intersection signal lamp main line direction green light excess time.
The complete traffic control system of a kind of main line provided by the present invention, has the following advantages:
First: the present invention fully utilizes traditional crossing traffic signal controller, video camera, variable message board, in-vehicle information prompt facility etc., realizes controlling completely the integration of arterial road road section traffic volume and crossing traffic.
Second: by camera supervised and specification car speed and motor behavior, traffic signal control controls traffic intersection, variable message board and in-vehicle information equipment provide speed of a motor vehicle operation and control information, vehicle movement rule violation feedback information, traffic information etc. to driver, can rectify, maintenance area traffic order, guide driver regularly to travel, traffic signalization efficiency will be promoted; Meanwhile, provide traffic information to driver, contribute to driver's choose reasonable path, balanced road grid traffic flow, promote road network operational efficiency; Effectively can reduce vehicle journeys time, delay, stop frequency, fuel consume in road network.
Accompanying drawing explanation
Fig. 1 is that facility of the present invention arranges schematic diagram;
Fig. 2 is system construction drawing of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiments of the invention, the complete traffic control system of a kind of main line of the present invention and method are described in further detail.
As can be seen from Figure 2, the complete traffic control system of a kind of main line, comprise: traffic information display subsystem, the information transmission system in comprehensive traffic management platform, crossing traffic signal control subsystem, video surveillance subsystem, trackside traffic information display subsystem, car, wherein:
In described crossing traffic signal control subsystem, video surveillance subsystem, trackside traffic information display subsystem, car, traffic information display subsystem is connected with comprehensive traffic management platform by the information transmission system;
Described video surveillance subsystem, comprises the video camera being arranged at each section, for the monitor data at Real-time Obtaining crossing, and store, uploaded videos/picture is to comprehensive traffic management platform; The monitor data of video surveillance subsystem collection comprises vehicle license, car speed, time headway, violation speed limit, illegal parking, changes in violation of rules and regulations, data are disorderly jumped the queue at crossing queue length, crossing.Described video surveillance subsystem, can carry out rushing green light and capture, that is: when intersection, front is blocked, capture the vehicle entering crossing during green light.
Described crossing traffic signal control subsystem, comprises the traffic signal control of networking, carries out the green ripple of main line in real time to pass through timing strategy according to the monitor data of video surveillance subsystem.Described crossing traffic signal control subsystem detects the time headway obtained according to video surveillance subsystem, automatic calibration crossing saturation volume, head car start lost time, adjustment Traffic Signal Timing strategy.
Described trackside traffic information display subsystem, comprises the variable message board being arranged at trackside, for showing transport information in real time; The transport information that described trackside traffic information display subsystem shows in real time comprises: traffic information, travel time information, speed-limiting messages, suggestion driving speed information, Weather information, control traffic message, traffic accident information, traffic event information.
Traffic information display subsystem in described car, comprises the client being arranged at user Che Nei, for real-time exhibition traffic information, speed-limiting messages, control information, suggestion travel speed, vehicle movement violation/illegal feedback information; In described car, the client of traffic information display subsystem comprises one or more in smart mobile phone application, mobile unit, navigational system.
It also comprises statistical study subsystem, described statistical study subsystem is connected with comprehensive traffic management platform, and for analyzing the traffic flow historical rethinking at a crossing, the traffic flow distribution of multiple urban road crossing, crossing vehicle head interval distribution, crossing saturation headway, head car starts lost time, section car speed distributes, crossing queue length distribution.
It also comprises database, and described database is connected with comprehensive traffic management platform, in order to managed storage data.
The described information transmission system, the every data for section video camera monitoring system being obtained are transferred to crossing traffic signal control system, the information transmission such as violation/illegal activities are transferred to traffic information display subsystem in trackside traffic information display subsystem, car to comprehensive traffic management platform, the traffic advisory information that provided by traffic administration platform;
Described comprehensive traffic management platform, by collecting the information of subsystems, realizes sharing and function integrated of information, realizes the coordination linkage between each subsystem, effectively integrate transportation information resource.
A control method for the complete traffic control system of main line, comprises the following steps:
S1: behavior is changed in the flow speeds in video surveillance subsystem monitors acquisition Camera coverage, road occupancy, vehicle flowrate, vehicle license, time headway, crossing queue length, violation speed limit, illegal parking, violation, transfers to comprehensive traffic management platform;
S2: the vehicle average overall travel speed that crossing traffic signal control subsystem combining road video camera monitoring system obtains, arranges main line green wave band timing scheme;
S3: in trackside traffic information display subsystem or car, traffic information display subsystem to be offered suggestions travel speed to driver, that is: ensure the travel speed of green wave band operation.To the vehicle being in the outer upstream of section video camera monitoring range, suggestion travel speed is green wave band design rate; For the vehicle be in the video camera sensing range of section, be no more than under road speed limit condition, according to downstream intersection signal lamp main line direction green light excess time, suggestion travel speed is
wherein l is video camera distance downstream road junction distance, t
sgfor downstream intersection signal lamp main line direction green light excess time.
S4: the vehicle in video surveillance subsystem monitors acquisition Camera coverage is according to suggestion travel speed ruuning situation.If vehicle runs not in accordance with suggestion travel speed, should be run by suggestion speed by traffic information display subsystem prompting driver in car;
S5: in trackside traffic information display system or car, traffic information display equipment provides peripheral path road conditions to driver, display is in real time from the nearest camera video stream of Current vehicle, and then driver can according to road conditions from main separation travel route.
For an arterial road, embodiment is described below.
The complete traffic control system of main line of the present invention, comprising: traffic information display equipment, the information transmission system in crossing traffic signal control system, section video camera monitoring system, trackside traffic information display system, car.
Embodiment one:
A given arterial road, the arrangement of video camera, crossing traffic signal control system, trackside traffic information display system, the information transmission system is as follows: as shown in Figure 1,
(1) camera pedestal is located at above road section.
(2) crossing traffic signal controller and traffic lights are laid in traffic intersection.
(3) variable message board (VMS) is arranged in above trackside or section.
(4) traffic information display subsystem in car, comprises smart mobile phone application, mobile unit, navigational system etc.
(5) section video camera, point duty control center, trackside traffic information display system are connected by the information transmission system.
Described crossing traffic signal control subsystem, controls crossing traffic and runs, and possesses to realize the green ripple of main line and to pass through function.Described video camera obtains flow speeds, road occupancy, vehicle flowrate, vehicle license, car speed, time headway, crossing queue length, violates speed limit, illegal parking, changes behavior in violation of rules and regulations.Described trackside traffic information display subsystem, comprises variable message board (VMS), traffic sign, can be used for display traffic information, speed-limiting messages, control information etc.Traffic information display subsystem in described car, comprises smart mobile phone, mobile unit, navigational system etc., can obtain and show traffic information, speed-limiting messages, control information etc.
The described information transmission system, the car speed that section video camera monitoring system can be obtained, positional information are transferred to crossing traffic signal control system; Vehicle license, car speed, crossing queue length, violation speed limit, illegal parking, violation can be changed the comprehensive traffic management platform of the information transmission such as behavior to point duty control center; The transport information such as the such as road conditions that comprehensive traffic management platform can be provided, current road segment suggestion speed are transferred to trackside traffic information display system.
The complete traffic control method of main line of the present invention, comprises the following steps:
(1) the vehicle average overall travel speed of combining road video camera monitoring system acquisition, arranges main line green wave band timing scheme.
Draw according to the crossway of the main stem spacing, crossing canal, the magnitude of traffic flow, each section vehicle average overall travel speed, determine main line green wave band timing scheme, comprise each crossing cycle duration, phase place, phase sequence, split, phase differential, green wave band design rate.
(2) in trackside traffic information display system or car, traffic information display equipment to be offered suggestions travel speed to driver with voice or mode word, that is: ensure the travel speed of green wave band operation.
To the vehicle being in the outer upstream of section video camera monitoring range, suggestion travel speed is green wave band design rate;
For the vehicle be in the video camera sensing range of main line section, be no more than under road speed limit condition, according to downstream intersection signal lamp main line direction green light excess time, suggestion travel speed is
wherein l is video camera distance downstream road junction distance, t
sgfor downstream intersection signal lamp main line direction green light excess time.
(3) video camera monitoring system in section obtains vehicle in Camera coverage according to suggestion travel speed ruuning situation in order to monitoring.If vehicle runs not in accordance with suggestion travel speed, should be run by suggestion speed with voice or mode word prompting driver by traffic information display equipment in car (as smart mobile phone application), as " you do not press advisory speed and travel; advise that you are according to 40km/h speeds, can pass through traffic lights without parking waiting ".
(4) video camera monitoring system in section changes behavior in order to the flow speeds in monitoring acquisition Camera coverage, vehicle flowrate, vehicle license, time headway, violation speed limit, illegal parking, violation, existing road Video Supervision Technique has met native system demand, does not repeat at this.
(5) in trackside traffic information display system or car, traffic information display equipment provides peripheral path road conditions to driver.Driver can according to road conditions from main separation travel route.
Native system can be rectified, maintenance area traffic order, guides driver regularly to travel, will promote traffic signalization efficiency; Meanwhile, provide traffic information to driver, contribute to driver's choose reasonable path, balanced road grid traffic flow, promote road network operational efficiency; Effectively can reduce vehicle journeys time, delay, stop frequency, fuel consume in road network.
The foregoing is only better embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. the complete traffic control system of main line, it is characterized in that comprising: traffic information display subsystem, the information transmission system in comprehensive traffic management platform, crossing traffic signal control subsystem, video surveillance subsystem, trackside traffic information display subsystem, car, wherein:
In described crossing traffic signal control subsystem, video surveillance subsystem, trackside traffic information display subsystem, car, traffic information display subsystem is connected with comprehensive traffic management platform by the information transmission system;
Described video surveillance subsystem, comprises the video camera being arranged at each section/crossing, for the monitor data at Real-time Obtaining section/crossing, and store, uploaded videos/picture is to comprehensive traffic management platform;
Described crossing traffic signal control subsystem, comprises the traffic signal control of networking, carries out the green ripple access control of main line according to the monitor data of video surveillance subsystem.
Described trackside traffic information display subsystem, comprises the variable message board being arranged at trackside, for showing transport information in real time;
Traffic information display subsystem in described car, comprises the client being arranged at user Che Nei, for real-time exhibition traffic information, speed-limiting messages, control information, suggestion travel speed, vehicle movement violation/illegal feedback information;
The described information transmission system, the every data for section video camera monitoring system being obtained are transferred to crossing traffic signal control system, the information transmission such as violation/illegal activities are transferred to traffic information display subsystem in trackside traffic information display subsystem, car to comprehensive traffic management platform, the traffic advisory information that provided by traffic administration platform;
Described comprehensive traffic management platform, by collecting the information of subsystems, realizes sharing and function integrated of information, realizes the coordination linkage between each subsystem, effectively integrate transportation information resource.
2. the complete traffic control system of a kind of main line according to claim 1, is characterized in that: the monitor data of video surveillance subsystem collection comprises vehicle license, car speed, time headway, violation speed limit, illegal parking, changes in violation of rules and regulations, data are disorderly jumped the queue at crossing queue length, crossing.
3. the complete traffic control system of a kind of main line according to claim 1, is characterized in that: described video surveillance subsystem, can carry out rushing green light and capture, that is: when intersection, front is blocked, capture the vehicle entering crossing during green light.
4. the complete traffic control system of a kind of main line according to claim 1, it is characterized in that: described crossing traffic signal control subsystem detects the time headway obtained according to video surveillance subsystem, automatic calibration crossing saturation volume, head car start lost time, adjustment Traffic Signal Timing strategy.
5. the complete traffic control system of a kind of main line according to claim 1, is characterized in that: the transport information that described trackside traffic information display subsystem shows in real time comprises: traffic information, travel time information, speed-limiting messages, suggestion driving speed information, Weather information, control traffic message, traffic accident information, traffic event information.
6. the complete traffic control system of a kind of main line according to claim 1, is characterized in that: in described car, the client of traffic information display subsystem comprises one or more in smart mobile phone application, mobile unit, navigational system.
7. the complete traffic control system of a kind of main line according to claim 1, it is characterized in that: it also comprises statistical study subsystem, described statistical study subsystem is connected with comprehensive traffic management platform, and for analyzing the traffic flow historical rethinking at a crossing, the traffic flow distribution of multiple urban road crossing, crossing vehicle head interval distribution, crossing saturation headway, head car starts lost time, section car speed distributes, crossing queue length distribution.
8. the complete traffic control system of a kind of main line according to claim 1, it is characterized in that: it also comprises database, described database is connected with comprehensive traffic management platform, in order to managed storage data.
9. adopt a control method for the arbitrary described complete traffic control system of a kind of main line of claim 1 ~ 8, it is characterized in that: comprise the following steps:
S1: behavior is changed in the flow speeds in video surveillance subsystem monitors acquisition Camera coverage, vehicle flowrate, vehicle license, time headway, crossing queue length, violation speed limit, illegal parking, violation, transfers to comprehensive traffic management platform;
S2: the vehicle average overall travel speed that crossing traffic signal control subsystem combining road video camera monitoring system obtains, arranges main line green wave band timing scheme;
S3: in trackside traffic information display subsystem or car, traffic information display subsystem to be offered suggestions travel speed to driver, that is: ensure the travel speed of green wave band operation;
S4: the vehicle in video surveillance subsystem monitors acquisition Camera coverage is according to suggestion travel speed ruuning situation.If vehicle runs not in accordance with suggestion travel speed, should be run by suggestion speed by traffic information display subsystem prompting driver in car;
S5: in trackside traffic information display system or car, traffic information display equipment provides peripheral path road conditions to driver, display is in real time from the nearest camera video stream of Current vehicle, and then driver can according to road conditions from main separation travel route.
10. the control method of the complete traffic control system of a kind of main line according to claim 9, it is characterized in that: in step S3: suggestion travel speed is calculated as follows: to the vehicle being in the outer upstream of section video camera monitoring range, suggestion travel speed is green wave band design rate; For the vehicle be in the video camera sensing range of main line section, be no more than under road speed limit condition, according to downstream intersection signal lamp main line direction green light excess time, suggestion travel speed is, being wherein video camera apart from downstream road junction distance, is downstream intersection signal lamp main line direction green light excess time.
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