CN105427610A - Traffic management method based on vehicle-to-infrastructure integration technology - Google Patents
Traffic management method based on vehicle-to-infrastructure integration technology Download PDFInfo
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- CN105427610A CN105427610A CN201511028281.2A CN201511028281A CN105427610A CN 105427610 A CN105427610 A CN 105427610A CN 201511028281 A CN201511028281 A CN 201511028281A CN 105427610 A CN105427610 A CN 105427610A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
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Abstract
A traffic management method based on vehicle-to-infrastructure integration technology comprises the following steps of S1, acquiring motion data of all vehicles which are connected with a road-side unit in a vehicle-to-infrastructure technology (V2I) communication mode; S2, detecting whether an abnormal event occurs, and determining the type of the abnormal event; S3, when the abnormal event is a traffic accident, executing a step S4; S4, extracting the position and the speed of all vehicles in a traffic accident range in a preset time period; S5, calculating an average vehicle speed V in the traffic accident range; S6, comparing for determining whether the average vehicle speed V is smaller than a preset least vehicle speed V_min, if yes, performing a step S18, and otherwise, performing a step S7; ....; and S12, calculating the number sumi of queuing vehicles of each lane behind a first parking line and sequencing the numbers sumi from highest to lowest, and dynamically distributing passing time length of each lane according to the sumi. The traffic management method has beneficial effects of high traffic management efficiency, no manpower resource consumption and low danger coefficient. The traffic management method has functions of dynamically distributing lanes for the vehicles, improving traffic operation efficiency, performing ordered control on the vehicles at a crossing, and effectively reducing traffic accident rate at the crossing.
Description
Technical field
The present invention relates to car networking arenas, be specifically related to a kind of traffic management method based on bus or train route coordination technique.
Background technology
Car networking is by Internet technology, and the various information transmission of self can be converged to central processing unit by all vehicles.By computer technology, the information of these a large amount of vehicles can analyzed and process, thus calculate different vehicle best route, issue and report road conditions and adjustment signal lamp cycle.
Car networking comprises car and car (V2V), Che Yulu (V2I, VehicletoInfrastructure), the interconnecting of car and people (V2P), Che Yu center (V2C) etc., realize the communication between car self-organization network and multiple heterogeneous network and roaming, function and performance ensure the ubiquitous property of real-time, serviceability and network, and it is the entity of public network and private network simultaneously.Che Yulu (V2I), namely bus or train route coordination technique is that roadside unit by being arranged on highway limit is connected with the board units on vehicle or vehicle, and roadside unit, by internet link, realizes car and internet carries out information interaction.
At present, traffic management method is mainly managed to traffic scene by traffic administration personnel, also has more advanced employing variable information board etc. to provide transport information for vehicle.Both method all Shortcomings above-mentioned: the field management based on traffic police personnel exists certain risk, and human resources expend greatly, responding aftertreatment situ time is by the impact of traffic; Mode based on variable information board can only carry out guiding and the prompting of macroscopic view to vehicle, cannot reach the finely regulating of track level, in addition, owing to can not monitor vehicle operation, in the face of emergency, road is still in without supervisor status.
The existing management by methods efficiency regulated the traffic by traffic administration personnel on site is low, human resources expend greatly, and danger coefficient is high; By the traffic management method of variable information board, macroscopic view can only guide, the orderly management and control of track level can not be carried out vehicle, the object of traffic administration can not be reached.
Summary of the invention
For the efficiency of management solving the existence of existing traffic management method is low, human resources expend greatly, danger coefficient is high, can only macroscopic view guide, the orderly management and control of track level can not be carried out to vehicle, can not reach the problem of the object of traffic administration, the present invention proposes a kind of traffic management method based on bus or train route coordination technique.
A kind of traffic management method based on bus or train route coordination technique provided by the invention, it is characterized in that, the method comprises the following steps:
S1: the exercise data gathering all vehicles be connected with bus or train route coordination technique V2I communication mode with roadside unit;
S2: detect and whether have anomalous event to occur, and judge the classification of described anomalous event;
S3: when described anomalous event is traffic hazard; Then perform step S4: extract the position in all vehicle Preset Times within the scope of described traffic hazard and speed;
S5: calculate the average speed V within the scope of described traffic hazard;
S6: contrast described average speed V and whether be less than default minimum vehicle velocity V _ min; Be then, perform step S18: reporting system Surveillance center; Otherwise, perform step S7;
S7: detect described traffic hazard whether within the scope of camera head monitor; Be then, order performs step S8, otherwise, perform step S9;
S8: gather graphical analysis track by described camera and take situation;
S9: take situation by the data analysis track of all vehicles within the scope of described traffic hazard;
S10: record impassability track and can through lane, and judge whether can be greater than zero by through lane sum; Be then, order performs step S11, otherwise, perform step S18;
S11: the first stop line is set at the rear of the origination point of described traffic hazard;
S12: calculate the queuing vehicle number sumi in described first each track, stop line rear and sort from high to low, distributing the current duration in each track according to sumi dynamically; And
S13: whether detect all tracks is all can through lane; Otherwise, go back to and perform step S4; Be then, terminate.
Further, also comprise after described step S2:
S14: when described anomalous event is that traffic lights fault or traffic light intersection block up; Then perform step S15: travel direction and the track, place of extracting all vehicles within the scope of described traffic light intersection, and the second stop line is set in each travel direction of described traffic light intersection;
S16: the current duration distributing described second stop line according to the vehicle fleet of each travel direction dynamically; And
S17: detect described red street lamp whether repaired or described traffic light intersection whether unimpeded; Otherwise, go back to and perform step S15; Be then, terminate.
Further, in step S2, described accident detection method comprises: after a certain vehicle breaks down, and initiatively sends generation traffic accident information by V2I communication to described roadside unit; Or detect anomalous event by video frequency event examines device; Or detect described traffic light intersection by described roadside unit collection vehicle motion state data analysis road abnormality and whether block up; Or by being connected with described traffic lights by described roadside unit, monitor described signal lamp whether fault.
Further, described first stop line can be combined with electronic chart with the second stop line, in map, show described first stop line, described second stop line and current duration, and warning message is sent to the vehicle surmounting described first stop line or described second stop line.
Further, described system monitoring center is docked with vehicle drive credit system, to punish violation vehicle; Wherein, described traffic hazard refers to that vehicle breaks down or occurs between vehicle to wipe extension or collision.
Further, in step S12: the vehicle fleet size according to each track, described stop line rear distributes current duration dynamically, be specially: the vehicle fleet size in a certain track, described stop line rear is maximum, then the vehicle in this track of priority allocation first passes through, and current duration is directly proportional to the vehicle fleet size in this track.
Further, in step S1, the exercise data of all vehicles comprises longitude and latitude, speed, acceleration, direction.
Further, in step S9: take situation by the data analysis track of all vehicles within the scope of described traffic hazard, be specially:
Synthesize the curve movement of each vehicle within the scope of described traffic hazard;
Obtain each track data, described each track data comprise boundary line, center line and width; And
Judge that each track in each track is as can through lane or impassability track.
Further, in step s 12 whether, also comprising detecting has vehicle in violation of rules and regulations, when having violation vehicle, and the information of this violation vehicle of described system monitoring central record.
Further, in step S18: reporting system Surveillance center, whether processedly detect described accident vehicle after half an hour; Be then, terminate; Otherwise, go back to and perform step S4.
Beneficial effect of the present invention is that the described traffic administration efficiency based on the traffic management method of bus or train route coordination technique is high, labor intensive resource, danger coefficient are not low, track can be distributed for vehicle dynamic, improve traffic circulation efficiency, also can control in order crossing vehicle simultaneously, effectively reduce crossing traffic accident rate.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of traffic management method one embodiment that the present invention is based on bus or train route coordination technique.
Fig. 2 is the applied environment figure of the traffic management method that the present invention is based on bus or train route coordination technique.
Embodiment
Refer to Fig. 1, for the present invention is based on the process flow diagram of traffic management method one embodiment of bus or train route coordination technique.
In step S1: the exercise data gathering all vehicles be connected with bus or train route coordination technique V2I communication mode with roadside unit.Concrete, the exercise data of all vehicles comprises longitude and latitude, speed, acceleration, direction.
In step S2: detect and whether have anomalous event to occur, and judge the classification of described anomalous event.
In step S3: when anomalous event is traffic hazard; Then perform step S4: extract the position in all vehicle Preset Times within the scope of traffic hazard and speed.In the present embodiment, traffic hazard refers to that vehicle breaks down or occurs between vehicle to wipe extension or collision.
In step S5: calculate the average speed V within the scope of traffic hazard.
In step S6: whether contrast average speed V is less than default minimum vehicle velocity V _ min; Be then, perform step S18: reporting system Surveillance center; Otherwise, perform step S7.
In step S7: whether detecting traffic hazard is within the scope of camera head monitor.Be then, order performs step S8, otherwise, perform step S9;
In step S8: gather graphical analysis track by camera and take situation.
In step S9: take situation by the data analysis track of all vehicles within the scope of described traffic hazard.In the present embodiment, step S9: take situation by the data analysis track of all vehicles within the scope of traffic hazard, be specially: synthesize the curve movement of each vehicle within the scope of traffic hazard; Obtain each track data, each track data comprise boundary line, center line and width; Judging that each track in each track is as can through lane or impassability track, determining whether as can through lane by judging whether to have in a certain track complete vehicle movement curve.
In step S10: record impassability track and can through lane, and judge whether can be greater than zero by through lane sum; Be then, order performs step S11, otherwise, perform step S18; In the present embodiment, system monitoring center is traffic control center, is responsible for the work for the treatment of of all traffic hazards.System monitoring center is docked with vehicle drive credit system, to punish violation vehicle.
In step S11: arrange the first stop line at the rear of the origination point of traffic hazard.
In step S18: reporting system Surveillance center, whether processedly detect accident vehicle after half an hour; Be then, terminate; Otherwise, go back to and perform step S4.Whether system monitoring center is monitored traffic hazard and is disposed in setting-up time.
In step S12: calculate the queuing vehicle number sumi in first each track, stop line rear and sort from high to low, distributing the current duration in each track according to sumi dynamically.In the present embodiment, vehicle fleet size according to first each track, stop line rear distributes current duration dynamically, be specially: the vehicle fleet size in a certain track, stop line rear is maximum, then the vehicle in this track of priority allocation first passes through, current duration is directly proportional to the vehicle fleet size in this track.Whether in step s 12, also comprising detecting has vehicle in violation of rules and regulations, when having violation vehicle, and the information of this violation vehicle of system monitoring central record.
In step S13: whether detect all tracks is all can through lane; Otherwise, go back to and perform step S4; Be then, terminate.
In the present embodiment, also comprise after step S2: S14, when anomalous event is that traffic lights fault or traffic light intersection block up, then perform step S15: travel direction and the track, place of extracting all vehicles within the scope of traffic light intersection, and the second stop line is set in each travel direction of traffic light intersection; S16, distributes the current duration of the second stop line dynamically according to the vehicle fleet of each travel direction; S17, detect red street lamp whether repaired or traffic light intersection whether unimpeded; Otherwise, go back to and perform step S15; Be then, terminate.
First stop line can be combined with electronic chart with the second stop line, shows the first stop line, the second stop line and current duration in map, and sends warning message to the vehicle surmounting the first stop line or the second stop line.
In the present embodiment, in step S2, accident detection method comprises: after a certain vehicle breaks down, and initiatively sends generation traffic accident information by V2I communication to roadside unit; Or detect anomalous event by video frequency event examines device; Or detect traffic light intersection by roadside unit collection vehicle motion state data analysis road abnormality and whether block up; Or by roadside unit is connected with traffic lights, supervisory lamp whether fault.
In the present invention one specific embodiment, the traffic management method based on bus or train route coordination technique can process the traffic hazard such as vehicle trouble, vehicle collision in time, for vehicle dynamic distributes track, improves traffic circulation efficiency.Traffic management method based on bus or train route coordination technique also can be used for controlling in order crossing vehicle, effectively reduces crossing traffic accident rate, improves crossing and to pass through rate.
Refer to Fig. 2, for the present invention is based on the applied environment figure of the traffic management method of bus or train route coordination technique.
Vehicle communication in roadside unit and scope, system monitoring center is connected with roadside unit, control each vehicle at the display screen display stop line of automobile or hand-held device or car-mounted device whether to pass through, dynamic assignment track, improve traffic circulation efficiency, thus promote driving experience and the security of driver.
Beneficial effect of the present invention be high based on the traffic administration efficiency of the traffic management method of bus or train route coordination technique, labor intensive resource, danger coefficient are not low, track can be distributed for vehicle dynamic, improve traffic circulation efficiency, also can control in order crossing vehicle simultaneously, effectively reduce crossing traffic accident rate.
The foregoing is only the preferred embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. based on a traffic management method for bus or train route coordination technique, it is characterized in that, the method comprises the following steps:
S1: the exercise data gathering all vehicles be connected with bus or train route coordination technique V2I communication mode with roadside unit;
S2: detect and whether have anomalous event to occur, and judge the classification of described anomalous event;
S3: when described anomalous event is traffic hazard; Then perform step S4: extract the position in all vehicle Preset Times within the scope of described traffic hazard and speed;
S5: calculate the average speed V within the scope of described traffic hazard;
S6: contrast described average speed V and whether be less than default minimum vehicle velocity V _ min; Be then, perform step S18: reporting system Surveillance center; Otherwise, perform step S7;
S7: detect described traffic hazard whether within the scope of camera head monitor; Be then, order performs step S8, otherwise, perform step S9;
S8: gather graphical analysis track by described camera and take situation;
S9: take situation by the data analysis track of all vehicles within the scope of described traffic hazard;
S10: record impassability track and can through lane, and judge whether can be greater than zero by through lane sum; Be then, order performs step S11, otherwise, perform step S18;
S11: the first stop line is set at the rear of the origination point of described traffic hazard;
S12: calculate the queuing vehicle number sumi in described first each track, stop line rear and sort from high to low, distributing the current duration in each track according to sumi dynamically; And
S13: whether detect all tracks is all can through lane; Otherwise, go back to and perform step S4; Be then, terminate.
2., as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, also comprise after described step S2:
S14: when described anomalous event is that traffic lights fault or traffic light intersection block up; Then perform step S15: travel direction and the track, place of extracting all vehicles within the scope of described traffic light intersection, and the second stop line is set in each travel direction of described traffic light intersection;
S16: the current duration distributing described second stop line according to the vehicle fleet of each travel direction dynamically; And
S17: detect described red street lamp whether repaired or described traffic light intersection whether unimpeded; Otherwise, go back to and perform step S15; Be then, terminate.
3. as claimed in claim 2 based on the traffic management method of bus or train route coordination technique, it is characterized in that, in step S2, described accident detection method comprises: after a certain vehicle breaks down, and initiatively sends generation traffic accident information by V2I communication to described roadside unit; Or detect anomalous event by video frequency event examines device; Or detect described traffic light intersection by described roadside unit collection vehicle motion state data analysis road abnormality and whether block up; Or by being connected with described traffic lights by described roadside unit, monitor described signal lamp whether fault.
4. as claimed in claim 2 based on the traffic management method of bus or train route coordination technique, it is characterized in that, described first stop line can be combined with electronic chart with the second stop line, in map, show described first stop line, described second stop line and current duration, and warning message is sent to the vehicle surmounting described first stop line or described second stop line.
5., as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, described system monitoring center is docked with vehicle drive credit system, to punish violation vehicle; Wherein, described traffic hazard refers to that vehicle breaks down or occurs between vehicle to wipe extension or collision.
6. as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, in step S12: the vehicle fleet size according to each track, described stop line rear distributes current duration dynamically, be specially: the vehicle fleet size in a certain track, described stop line rear is maximum, then the vehicle in this track of priority allocation first passes through, and current duration is directly proportional to the vehicle fleet size in this track.
7., as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, in step S1, the exercise data of all vehicles comprises longitude and latitude, speed, acceleration, direction.
8., as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, in step S9: take situation by the data analysis track of all vehicles within the scope of described traffic hazard, be specially:
Synthesize the curve movement of each vehicle within the scope of described traffic hazard;
Obtain each track data, described each track data comprise boundary line, center line and width; And
Judge that each track in each track is as can through lane or impassability track.
9. as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, whether in step s 12, also comprising detecting has vehicle in violation of rules and regulations, when having violation vehicle, and the information of this violation vehicle of described system monitoring central record.
10., as claimed in claim 1 based on the traffic management method of bus or train route coordination technique, it is characterized in that, in step S18: reporting system Surveillance center, whether processedly detect described accident vehicle after half an hour; Be then, terminate; Otherwise, go back to and perform step S4.
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| CN109712400A (en) * | 2019-01-25 | 2019-05-03 | 济南浪潮高新科技投资发展有限公司 | A method of improving road efficiency |
| CN111627248A (en) * | 2019-02-28 | 2020-09-04 | 株式会社日立制作所 | Server and vehicle control system |
| CN110379156A (en) * | 2019-05-10 | 2019-10-25 | 四川大学 | A kind of accident lane discriminating method based on vehicle-mounted camera fusion GPS flow velocity |
| CN112908005A (en) * | 2021-03-31 | 2021-06-04 | 淮阴工学院 | Traffic signal lamp state real-time judgment method based on negative feedback system |
| CN112908005B (en) * | 2021-03-31 | 2022-04-26 | 淮阴工学院 | Traffic signal lamp state real-time judgment method based on negative feedback system |
| CN113192326A (en) * | 2021-04-23 | 2021-07-30 | 长安大学 | Cascade type road operation risk prevention and control system and single-point fault isolation method |
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