CN104700638A - Road junction traffic system and control method thereof - Google Patents
Road junction traffic system and control method thereof Download PDFInfo
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- CN104700638A CN104700638A CN201410417389.XA CN201410417389A CN104700638A CN 104700638 A CN104700638 A CN 104700638A CN 201410417389 A CN201410417389 A CN 201410417389A CN 104700638 A CN104700638 A CN 104700638A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/09623—Systems involving the acquisition of information from passive traffic signs by means mounted on the vehicle
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Abstract
The invention relates to a road junction traffic system and a control method thereof, and belongs to the technical field of communication. The road junction traffic system comprises a communication module, a display module and a processor, wherein vehicles on a road are communicated to one another through the communication module; vehicle information of each lane is displayed on the display module after being processed by the processor; the vehicle information transmitted by the communication module is unique ID (identification) address information of each vehicle; the processor sends out a message command according to a sequence principle; a timing unit is arranged in the processor; the waiting time of the vehicles is recorded; and waiting time results are transmitted to the waiting vehicles of a road junction through the communication module. The road junction traffic system is suitable for intersections in various shapes and is not limited by crossroads; the using flexibility is improved greatly; all the vehicles are controlled in a coordinated manner on the basis of exchanging of messages, so that the vehicles can pass through the intersections safely, and the activeness of the system is guaranteed.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of crossing traffic system and control method thereof.
Background technology
Traffic control controls from initial timing signal, and control to induction, control effects has had large increase.But they respectively have limitation, timing controlled is mainly for the signal timing dial of automobile traffic, and the feature for the mixed traffic of China has limitation, is suitable for the more regular traffic conditions of intersection traffic flow change.Induction controls the random variation that more can adapt to the magnitude of traffic flow than timing controlled, but just considers the prolongation to current current phase time in the system of induction control, and does not consider vehicle queue's situation of other phase place.During the lane of current phase place, if only have craspedodrome or left-hand bend vehicle, the stand-by period in other phase place tracks will be wasted, because simultaneously also can track in adjacent phase current.
In addition mostly existing traffic control system is to dispose a centerized fusion equipment at cross crossing, but centerized fusion equipment itself needs certain to expend expense and feasibility is not too high, because it needs certain additional equipment and installment work; Secondly, centralized method for designing dirigibility is not high yet, may not be regular about intersection in actual life, there is diversified intersection on the contrary, this just requires centerized fusion equipment must carry out meticulous design and is configured to adapt to the needs of road junction.So Centralized Control System is not well positioned to meet the requirement of actual life.
Summary of the invention
In order to overcome the deficiency of Centralized Control System in existing traffic control technology, the invention provides a kind of crossing traffic control system and method thereof, this system only to need in vehicle after erecting equipment, all can use at various crossing, not by the impact of intersection metamorphosis, not needing the direction observing traffic lights, is vehicle intercommunication, mutually allows current.
Technical scheme of the present invention is: a kind of crossing traffic system, this system comprises communication module, display module and processor, vehicle on road is intercomed mutually by communication module, and the information of vehicles in each track also can show after processor process on display module.
The information of vehicles of described communication module transmission is the unique ID address information of each car.
Described processor to initiate a message instruction according to arriving first the principle got ahead.
Be provided with timing unit in described processor, the waiting time of registration of vehicle, and wait for that vehicle sends waiting time result by communication module to crossing.
Described processor, according to the traffic direction of vehicle, sends traffic direction message, reminds the vehicle in concurrent track to run simultaneously.
A control method for crossing traffic system, its step comprises:
Step one, track vehicle enter waiting area, and the request that sends is by message and traffic direction message;
Step 2, whether receive the refuse information of surrounding vehicles;
Step 3, if receive refuse information, continues to wait for;
If step 4 does not receive refuse information, run through crossing,
If receive refuse information in described step 3, to continue etc. to bide one's time, vehicles etc. are bide one's time, timing unit record waiting time, once exceed the maximum wait duration of default, communication module waits for that to crossing vehicle sends waiting time prompting, other vehicles enter and stop in waiting status, and waiting-timeout vehicle passes through.
Described step 4 track vehicle do not receive refuse information then run through crossing time, processor has judged whether to follow vehicle according to mutual information of vehicles, if follow vehicle, send and follow message to following vehicle, vehicle runs through crossing together; If do not follow vehicle, track vehicle continues to run through crossing.
Described step 4 track vehicle do not receive refuse information then run through crossing time, processor judges whether the vehicle in concurrent track according to mutual information of vehicles, if had, then runs through crossing simultaneously, if no, track vehicle continues to run through crossing.
The present invention has following good effect: crossing provided by the invention crossing traffic system and method thereof, be applicable to the intersection of variform, not by the restriction of crossroad, uses dirigibility to increase a lot.Vehicles all in the present invention be all message based exchange to carry out cooperation control, thus guarantee safety intersection, ensure that the activity of system.In the present invention, although do not have the unified adjustment of traffic lights, vehicle still can unobstructedly run, in addition, the present invention has taken into full account the behaviour in service in each track of each phase place, ensure that the permission in concurrent track is passed through, improves road occupation rate than it traffic control system of the prior art.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the crossing traffic system in the present invention;
Fig. 2 is the track schematic diagram of the crossroad in the present invention;
Fig. 3 is the schematic flow sheet of the intersection-traffic control method in the present invention;
Fig. 4 is the processor schematic flow sheet in the intersection-traffic control method in the present invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and principle of work, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
As shown in Figure 1, a kind of crossing traffic system, this system comprises communication module, display module and processor, and this system is arranged on automotive interior.The vehicle of intersection is intercomed mutually by communication module, each automobile has a unique id information, facilitate the Message Transmission between vehicle and data analysis, the information of communication module transmission has the traffic direction information of the address information of vehicle, vehicle, whether agrees to that the rear various message of traffic information, the information agreeing to other track vehicle pass-throughs etc. to conflict track vehicle is all undertaken transmitting and receiving by communication module.Information of vehicles on each track shows after processor process on display module, passing through, refusing to pass through, whether waiting time, being open to traffic also has vehicle etc. message, can show in display module as allowed.The display of various message and transmit all be through processor process after the instruction that sends just can carry out, the criterion of processor process vehicle pass-through arrives first and gets ahead and the criterion such as concurrent lane, and these criterions describe in detail hereinafter.
Timing unit is provided with in processor, the waiting time of registration of vehicle, and send waiting time result thus remind all the other this car of vehicle stand-by period to reach the longest waiting time by communication module to crossing vehicle, the vehicle in the conflict track run is by behind intersection, follow-up vehicle is out of service, the vehicle having waited more than maximum wait duration passes through, and avoids the vehicle that arrives first because the vehicle fleet size in this track is few, and is in always in waiting status; Or due to the vehicle fleet size in this track few, adjacent phase track is too much in current state, and this track vehicle is in wait always.
Due to the Morphological Diversity of intersection, in the present invention, select common crossroad as illustration object.As shown in Figure 2, be number 8 tracks, " 0 "-" 7 " crossroad lane markings in figure, according to traffic route rule, if the vehicle being in different track can travel in intersection and pass through simultaneously, then these tracks referred to as " concurrent " track.On the other hand, if can not travel in intersection for the vehicle in different track simultaneously, then these tracks are defined as " conflict " track.
During existing traffic travels, just the lanes of single-phase is (as coordinate system, north and south is a phase place, thing is a phase place), when have ignored the lane of current phase place, if only have craspedodrome or left-hand bend vehicle, the stand-by period in other phase place tracks will be wasted, because simultaneously also can track in adjacent permission phase place current.As in No. 0 lane state, No. 1 track is also allow current state, if but there is no vehicle in No. 1 track, the vehicle pass-through in other tracks can be allowed to increase track utilization rate with this, reduce the stand-by period of other vehicles, now No. 3 tracks or No. 4 tracks also can be run current, while can not affecting traffic order, further promote traffic circulation.Each track allows situation about simultaneously opening as shown in table 1, and as shown in Table 1, non-duplicate situation has 12 kinds, be respectively " 0,1 ", " 0,3 ", " 0,4 ", " 1,5 ", " 1,6 ", " 2,3 ", " 2,5 ", " 2,6 ", " 3,7 ", " 4,5 ", 12 kinds of concurrent transport conditions such as " 4,7 " and " 6,7 ", if make full use of road, maximally utilise road, will greatly reduce the traffic stand-by period.
Table 1 can allow the concurrent track of passing through
As shown in Figure 3, a kind of control method of crossing traffic system, its step comprises:
Step one, track vehicle enter crossing waiting area, and message is passed through in the request of sending.With traffic direction message.Vehicle enters after intersection enters waiting area, and processor sends request by message by communication module, asks by including traffic direction message in message, waits for the process information of surrounding vehicles.
Whether step 2, this vehicle receive the refuse information of surrounding vehicles.
Step 3, if receive refuse information, continues to wait for.Bide one's time at vehicle etc., timing unit record waiting time, once the maximum wait duration exceeding default, communication module sends waiting time prompting to crossing surrounding vehicles, other vehicles stop entering in waiting status, and waiting-timeout vehicle passes through, and ensure circulation and the activity of road.
If step 4 does not receive refuse information, run through crossing.If vehicle does not receive refusal traffic information for a long time, then prove do not have vehicle around intersection, intersection is passed through in vehicle operating.Which save the time not having vehicle also will wait for traffic lights, improve operational efficiency, avoid the avoidable stand-by period.
In vehicle operation, the instruction sent after the display of various message and transmission are all through processor process just can be carried out, the criterion of processor process vehicle pass-through arrives first and gets ahead and the criterion such as concurrent lane, supplementing Fig. 3 as shown in Figure 4, vehicle is when by intersection, according to mutual information of vehicles, processor has judged whether that vehicle is followed in this track, if there is this track to follow vehicle, send and follow message to following vehicle, vehicle runs through crossing together; If vehicle is not followed in this track, track vehicle continues to run through crossing.While following vehicle operating, processor also can judge whether the vehicle in concurrent track according to mutual information of vehicles, if had, then send concurrent current message, concurrent track vehicle runs through intersection simultaneously, if do not have concurrent track vehicle, track vehicle continues to run through crossing.The transmission of concurrent message ensure that the maximum utilization rate in track, saved the stand-by period of surrounding vehicles, and the form of intersection can be arbitrary, not by the impact of crossroad form, not by the constraint of centerized fusion device.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (9)
1. a crossing traffic system, it is characterized in that, this system comprises communication module, display module and processor, and the vehicle of intersection is intercomed mutually by communication module, and the information of vehicles in each track shows after processor process on display module.
2. crossing traffic system according to claim 1, is characterized in that, described each vehicle has unique id information.
3. crossing traffic system according to claim 1, is characterized in that, described processor to initiate a message instruction according to arriving first the principle got ahead.
4. crossing traffic system according to claim 1, is characterized in that, is provided with timing unit in described processor, the waiting time of registration of vehicle, and sends waiting time result by communication module to crossing vehicle.
5. crossing traffic system according to claim 1, is characterized in that, described processor, according to the traffic direction of vehicle, sends traffic direction message, reminds the vehicle in concurrent track to run simultaneously.
6. a control method for crossing traffic system, is characterized in that, its step comprises:
Step one, vehicle enter intersection waiting area, and message is passed through in the request of sending;
Step 2, whether receive the refuse information of surrounding vehicles;
Step 3, if receive refuse information, continues to wait for;
If step 4 does not receive refuse information, run through intersection.
7. the control method of the crossing traffic system according to right 7, it is characterized in that, if receive refuse information in described step 3, to continue etc. to bide one's time, bide one's time at vehicle etc., timing unit registration of vehicle waiting time, if the maximum wait duration exceeding default, communication module sends waiting time prompting to crossing surrounding vehicles, surrounding vehicles stops entering in waiting status, and waiting-timeout vehicle passes through.
8. the control method of the crossing traffic system according to right 7, it is characterized in that, described step 4 track vehicle do not receive refuse information then run through crossing time, according to mutual information of vehicles, processor has judged whether that vehicle is followed in this track, if there is this track to follow vehicle, send and follow message to following vehicle, vehicle runs through crossing together; If do not have this track to follow vehicle, track vehicle continues to run through crossing.
9. the control method of the crossing traffic system according to right 7, it is characterized in that, described step 4 track vehicle do not receive refuse information then run through crossing time, processor judges whether the vehicle in concurrent track according to mutual information of vehicles, if had, then send concurrent current message to concurrent track, concurrent track runs through crossing simultaneously, if concurrent track does not have vehicle, track vehicle continues to run through intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417389.XA CN104700638B (en) | 2014-08-24 | 2014-08-24 | Crossing traffic system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410417389.XA CN104700638B (en) | 2014-08-24 | 2014-08-24 | Crossing traffic system and its control method |
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| CN104700638A true CN104700638A (en) | 2015-06-10 |
| CN104700638B CN104700638B (en) | 2017-09-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107958612A (en) * | 2016-10-17 | 2018-04-24 | 福特全球技术公司 | Intersection Navigation Control of the vehicle to vehicle |
| CN108806293A (en) * | 2017-04-27 | 2018-11-13 | 大众汽车（中国）投资有限公司 | A kind of vehicle and the method for being used to indicate operational mode of the vehicle at crossing |
| CN110992680A (en) * | 2019-12-31 | 2020-04-10 | 宁波宁工交通工程设计咨询有限公司 | Traffic signal lamp intelligent control method, storage medium and traffic signal lamp |
| CN113460051A (en) * | 2017-12-28 | 2021-10-01 | 北京百度网讯科技有限公司 | Cooperative lane change control method, device and equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185135A (en) * | 2020-09-08 | 2021-01-05 | 大连理工大学 | Intelligent traffic system intersection centralized control method based on vehicle-mounted adaptive network |
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| CN110992680A (en) * | 2019-12-31 | 2020-04-10 | 宁波宁工交通工程设计咨询有限公司 | Traffic signal lamp intelligent control method, storage medium and traffic signal lamp |
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| CN104700638B (en) | 2017-09-29 |
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Inventor after: Xin Jianfang Inventor after: Li Shujing Inventor after: Zhu Zhilong Inventor after: Li Linguo Inventor after: Liang Guangjun Inventor after: Zhang Fang Inventor before: Xin Jianfang |
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