CN105303857A - Traffic guidance method at traffic crossing - Google Patents
Traffic guidance method at traffic crossing Download PDFInfo
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- CN105303857A CN105303857A CN201510856444.XA CN201510856444A CN105303857A CN 105303857 A CN105303857 A CN 105303857A CN 201510856444 A CN201510856444 A CN 201510856444A CN 105303857 A CN105303857 A CN 105303857A
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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
Abstract
The invention relates to a traffic guidance method at a traffic crossing. The method is characterized by comprising the following steps: a dynamic speed limit indicating device is installed away from a traffic crossing for a certain distance; the dynamic speed limit indicating device synchronously obtains traffic light period information of a traffic light control system of the traffic crossing; and the dynamic speed limit indicating device calculates a dynamic indicating speed in real time according to the traffic light period information and displays the dynamic indicating speed. The method sets a speed limit region and calculates and displays the dynamic indicating speed according to the traffic light period information. A vehicle only needs to drive according to the speed indicated by the dynamic speed limit indicating device and can arrive at and quick pass the traffic crossing at the time of the green light for sure. The whole process includes controlling the speed, driving to the traffic crossing at a uniform speed, and accelerating to drive away from the traffic crossing. As parking and waiting are avoided, the average speed for the vehicle to pass the traffic crossing is greatly improved. Within a limited time of the green light, more vehicles can pass the traffic crossing, so that the passing efficiency of the whole traffic crossing is effectively improved.
Description
Technical field
The invention belongs to intelligent traffic signal technical field of system control, especially a kind of traffic intersection traffic induction method.
Background technology
Present intelligent traffic light control system is all the traffic efficiency being improved crossing by the traffic light time of adjustment traffic intersection all directions, according to on-the-spot traffic state with when being trapped in the quantity regulating traffic lights lamp of crossing car, but the transit time extending a direction must extend the waiting time in another direction, also can cause serious blocking up when vehicle flowrate increases.
The root of crossing congestion is caused to be the low by efficiency of crossing, main cause be vehicle by during crossing as red light, experience is needed to slow down, stop, wait for, restart, accelerate to sail out of crossing, wherein parking start-up course not only increases energy consumption, more extends the time of vehicle by crossing, more will start successively when vehicle is more, when queuing up longer, the vehicle of tail of the queue is not also started to walk, crossing transfers red light to again, and therefore, only adjusting traffic lights duration can not deal with problems.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, traffic efficiency is high and control traffic intersection traffic induction method flexibly.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of traffic intersection traffic induction method, comprises the following steps:
Step 1, distance traffic intersection a distance dynamic speed limit indicating device is being installed;
The traffic lights cycle information of step 2, dynamically speed limit indicating device synchronization gain traffic intersection controlling system of traffic light;
Step 3, dynamically speed limit indicating device calculate dynamic instruction speed in real time according to traffic lights cycle information and show, and the method calculating dynamically instruction speed v is:
Within the green light cycle in traffic lights cycle, if Tg*V >=S, then arrange and dynamically indicate speed v=V, otherwise, arrange and dynamically indicate speed v=S/ (Tr+Tg+Ty);
In amber light cycle or the red light cycle in traffic lights cycle, arrange and dynamically indicate speed v=S/ (Tr+Tg+Ty), as S/ (Tr+Tg+Ty) >V, arrange and dynamically indicate speed v=V;
Wherein, S is the distance of dynamic speed limit indicating device and traffic intersection stop line, and V is road Maximum speed limit, and Tr is red light residual time length, and Tg is green light residual time length, and Ty is amber light residual time length.
Further preferably, described dynamic speed limit indicating device is arranged on roadside or is arranged on road middle upper part in portal frame mode.
Further preferably, described dynamic speed limit indicating device comprises the core processor module of display screen and inside thereof, synchronizing information acquisition module and driver module, core processor module obtains the traffic lights cycle information of controlling system of traffic light by synchronizing information acquisition module, core processor module calculates according to traffic lights cycle information and dynamically indicates speed, and core processor drives display screen dynamically to indicate the display of speed by driver module.
Advantage of the present invention and good effect are:
The present invention arranges speed limit district and shows dynamic instruction speed according to traffic lights computation of Period, vehicle only need according to the instruction speeds of dynamic speed limit indicating device, just can ensure the green light moment arrive crossing and quickly through, whole process for control speed, at the uniform velocity advance arrive crossing, accelerate sail out of crossing, owing to avoiding parking waiting process, substantially increase the average velocity of vehicle by crossing, in limited green time, make more vehicle pass through, effectively improve the traffic efficiency at whole crossing.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of traffic intersection traffic induction method, as shown in Figure 1, comprises the following steps:
Step 1, distance traffic intersection a distance dynamic speed limit indicating device is being set.
The certain limit of distance traffic intersection is set to speed limit district by the present invention, and installs dynamic speed limit indicating device, and the distance of this dynamic speed limit indicating device and traffic intersection stop line is S.
In the present embodiment, dynamic speed limit indicating device can be arranged on roadside or be arranged on road middle upper part in portal frame mode.Dynamic speed limit indicating device comprises the core processor module of display screen and inside thereof, synchronizing information acquisition module and driver module, core processor module obtains the traffic lights cycle information of controlling system of traffic light by synchronizing information acquisition module, core processor module calculates according to traffic lights cycle information and dynamically indicates speed, and core processor drives display screen dynamically to indicate the display of speed by driver module.Synchronizing information acquisition module can adopt wired or wireless mode to obtain the traffic lights cycle information of controlling system of traffic light.
The traffic lights cycle information of step 2, dynamically speed limit indicating device synchronization gain traffic intersection controlling system of traffic light.
In this step, dynamic speed limit indicating device obtains the traffic lights cycle of traffic intersection controlling system of traffic light by synchronizing information acquisition module, makes dynamic speed limit indicating device keep synchronous with the traffic lights cycle of controlling system of traffic light.The green light of controlling system of traffic light, amber light, red light are a traffic lights cycle.
Traffic lights cycle T=TR+TG+TY, traffic lights cycle residual time length Tt=Tr+Tg+Ty.
In above formula, TR is red light duration, and TG is long green light time, and TY is amber light duration, and Tr is red light residual time length, and Tg is green light residual time length, and Ty is amber light residual time length.
Step 3, dynamically speed limit indicating device calculate dynamic instruction speed in real time according to traffic lights cycle information and show.
Because every bar road is equipped with road Maximum speed limit V, when all vehicles are by this road, all can not exceed road Maximum speed limit V, the present invention also must observe corresponding speed limit regulation, therefore, the speed that dynamic speed limit indicating device calculates must be less than or equal to road Maximum speed limit V.
The built-in core processor module of dynamic speed limit indicating device is according to the traffic lights cycle T obtained, and arrange the dynamic instruction speed v of vehicle by traffic intersection, concrete grammar is as follows:
Within the green light cycle in traffic lights cycle, if Tg*V >=S (S is the distance of dynamic speed limit indicating device and traffic intersection stop line), mean that vehicle can normal through traffic intersection with road Maximum speed limit V in green light Tg excess time, now, arrange and dynamically indicate speed v=V, namely the dynamic instruction speed of dynamic speed limit indicating device is V, vehicle with road Maximum speed limit V within this green light cycle normal through crossing.Otherwise, Tg*V<S (S is the distance of dynamic speed limit indicating device and traffic intersection stop line), vehicle travels can not arrive crossing with road Maximum speed limit V in this green light Tg excess time, the next green light cycle such as needs arrives, required duration is Tt (Tt=Tr+Tg+Ty), now, arrange and dynamically indicate speed v=S/Tt, prompting vehicle in accordance with the instructions speeds can ensure to arrive crossing in the next arrival moment in green light cycle.
In amber light cycle and the red light cycle in traffic lights cycle, arrange and dynamically indicate speed v=S/Tt, as S/Tt>V, arrange and dynamically indicate speed v=V, instruction vehicle travels with road Maximum speed limit V can be normal through.
It is emphasized that; embodiment of the present invention is illustrative; instead of it is determinate; therefore the present invention includes the embodiment be not limited to described in embodiment; every other embodiments drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.
Claims (3)
1. a traffic intersection traffic induction method, is characterized in that comprising the following steps:
Step 1, distance traffic intersection a distance dynamic speed limit indicating device is being installed;
The traffic lights cycle information of step 2, dynamically speed limit indicating device synchronization gain traffic intersection controlling system of traffic light;
Step 3, dynamically speed limit indicating device calculate dynamic instruction speed in real time according to traffic lights cycle information and show, and the method calculating dynamically instruction speed v is:
Within the green light cycle in traffic lights cycle, if Tg*V >=S, then arrange and dynamically indicate speed v=V, otherwise, arrange and dynamically indicate speed v=S/ (Tr+Tg+Ty);
In amber light cycle or the red light cycle in traffic lights cycle, arrange and dynamically indicate speed v=S/ (Tr+Tg+Ty), as S/ (Tr+Tg+Ty) >V, arrange and dynamically indicate speed v=V;
Wherein, S is the distance of dynamic speed limit indicating device and traffic intersection stop line, and V is road Maximum speed limit, and Tr is red light residual time length, and Tg is green light residual time length, and Ty is amber light residual time length.
2. a kind of traffic intersection traffic induction method according to claim 1, is characterized in that: described dynamic speed limit indicating device is arranged on roadside or is arranged on road middle upper part in portal frame mode.
3. a kind of traffic intersection traffic induction method according to claim 1 and 2, it is characterized in that: described dynamic speed limit indicating device comprises the core processor module of display screen and inside thereof, synchronizing information acquisition module and driver module, core processor module obtains the traffic lights cycle information of controlling system of traffic light by synchronizing information acquisition module, core processor module calculates according to traffic lights cycle information and dynamically indicates speed, and core processor drives display screen dynamically to indicate the display of speed by driver module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856444.XA CN105303857A (en) | 2015-11-30 | 2015-11-30 | Traffic guidance method at traffic crossing |
| PCT/CN2016/107096 WO2017092605A1 (en) | 2015-11-30 | 2016-11-24 | Method for guiding traffic at traffic crossing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510856444.XA CN105303857A (en) | 2015-11-30 | 2015-11-30 | Traffic guidance method at traffic crossing |
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| CN105303857A true CN105303857A (en) | 2016-02-03 |
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| CN201510856444.XA Pending CN105303857A (en) | 2015-11-30 | 2015-11-30 | Traffic guidance method at traffic crossing |
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| WO (1) | WO2017092605A1 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017092605A1 (en) * | 2015-11-30 | 2017-06-08 | 爱易成技术(天津)有限公司 | Method for guiding traffic at traffic crossing |
| CN106875709A (en) * | 2017-04-27 | 2017-06-20 | 爱易成技术(天津)有限公司 | A kind of speed abductive approach based on traffic lights, system and vehicle |
| CN107067784A (en) * | 2017-06-09 | 2017-08-18 | 南京越博动力系统股份有限公司 | A kind of urban road vehicle safety intelligence monitoring and controlling system and its monitoring method |
| CN107085956A (en) * | 2017-05-10 | 2017-08-22 | 浙江工业大学 | A kind of green wave velocity calculates prompt system |
| CN111640316A (en) * | 2020-05-29 | 2020-09-08 | 腾讯科技（深圳）有限公司 | Method and device for determining prompt duration based on artificial intelligence and electronic equipment |
| CN111754793A (en) * | 2019-03-29 | 2020-10-09 | 本田技研工业株式会社 | Vehicle driving support device |
| CN111819606A (en) * | 2018-02-23 | 2020-10-23 | 住友电气工业株式会社 | Passing feasibility determination device, passing feasibility determination method, and computer program |
| CN112825212A (en) * | 2019-11-21 | 2021-05-21 | 北京四维图新科技股份有限公司 | Vehicle speed guiding method and device and vehicle |
| CN113034907A (en) * | 2021-03-10 | 2021-06-25 | 南开大学 | Ecological intelligent vehicle speed induction method and device |
| CN113192328A (en) * | 2021-04-23 | 2021-07-30 | 长安大学 | Road operation risk prevention and control system and cooperative layout method of traffic signboard |
| CN116092311A (en) * | 2023-02-14 | 2023-05-09 | 广州通达汽车电气股份有限公司 | Vehicle passing method, device, equipment and storage medium based on green wave band |
| CN111640316B (en) * | 2020-05-29 | 2024-04-19 | 腾讯科技（深圳）有限公司 | Method and device for determining prompting duration based on artificial intelligence and electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110969879B (en) * | 2018-09-29 | 2022-12-27 | 上海博泰悦臻网络技术服务有限公司 | Automatic control method and system of traffic signal lamp |
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| WO2017092605A1 (en) * | 2015-11-30 | 2017-06-08 | 爱易成技术(天津)有限公司 | Method for guiding traffic at traffic crossing |
| CN106875709A (en) * | 2017-04-27 | 2017-06-20 | 爱易成技术(天津)有限公司 | A kind of speed abductive approach based on traffic lights, system and vehicle |
| US11361659B2 (en) | 2017-04-27 | 2022-06-14 | Ie-Cheng Technology (Tianjin) Co., Ltd. | Traffic light-based vehicle speed induction method and system, and vehicle |
| CN113223310A (en) * | 2017-04-27 | 2021-08-06 | 爱易成技术(天津)有限公司 | Vehicle speed induction method and system based on traffic lights and vehicle |
| CN107085956A (en) * | 2017-05-10 | 2017-08-22 | 浙江工业大学 | A kind of green wave velocity calculates prompt system |
| CN107067784A (en) * | 2017-06-09 | 2017-08-18 | 南京越博动力系统股份有限公司 | A kind of urban road vehicle safety intelligence monitoring and controlling system and its monitoring method |
| CN111819606A (en) * | 2018-02-23 | 2020-10-23 | 住友电气工业株式会社 | Passing feasibility determination device, passing feasibility determination method, and computer program |
| CN111754793A (en) * | 2019-03-29 | 2020-10-09 | 本田技研工业株式会社 | Vehicle driving support device |
| CN112825212A (en) * | 2019-11-21 | 2021-05-21 | 北京四维图新科技股份有限公司 | Vehicle speed guiding method and device and vehicle |
| CN111640316A (en) * | 2020-05-29 | 2020-09-08 | 腾讯科技（深圳）有限公司 | Method and device for determining prompt duration based on artificial intelligence and electronic equipment |
| CN111640316B (en) * | 2020-05-29 | 2024-04-19 | 腾讯科技（深圳）有限公司 | Method and device for determining prompting duration based on artificial intelligence and electronic equipment |
| CN113034907A (en) * | 2021-03-10 | 2021-06-25 | 南开大学 | Ecological intelligent vehicle speed induction method and device |
| CN113192328A (en) * | 2021-04-23 | 2021-07-30 | 长安大学 | Road operation risk prevention and control system and cooperative layout method of traffic signboard |
| CN113192328B (en) * | 2021-04-23 | 2022-05-27 | 长安大学 | Road operation risk prevention and control system and cooperative layout method of traffic signboard |
| CN116092311A (en) * | 2023-02-14 | 2023-05-09 | 广州通达汽车电气股份有限公司 | Vehicle passing method, device, equipment and storage medium based on green wave band |
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| WO2017092605A1 (en) | 2017-06-08 |
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Application publication date: 20160203 |