CN113178086A - Control device and method for realizing regional traffic green wave band based on traffic flow sensor - Google Patents
Control device and method for realizing regional traffic green wave band based on traffic flow sensor Download PDFInfo
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- CN113178086A CN113178086A CN202110431764.6A CN202110431764A CN113178086A CN 113178086 A CN113178086 A CN 113178086A CN 202110431764 A CN202110431764 A CN 202110431764A CN 113178086 A CN113178086 A CN 113178086A
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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Abstract
The invention relates to the technical field of traffic green wave bands, in particular to a control device and a control method for realizing regional traffic green wave bands based on a traffic flow sensor. A control device: traffic flow induction module, traffic cloud management platform, signal lamp controller and traffic signal lamp. The control method based on the control device comprises the following steps: calculating the green light starting time and duration of each lane signal lamp of the crossroad and the next crossroad according to the traffic flow of each lane and the distance between adjacent crossroads, which are acquired by the traffic flow sensing module, so as to realize green wave band control of regional traffic; and the time length of the traffic signal lamp in the next period can be adjusted according to the traffic flow of each lane fed back in real time, so that the real-time green band control is realized. The invention can well avoid the situation that the red light is the red light when the vehicle goes out and the situation that the vehicle is in the next intersection after the red light arrives, also avoid the situation that the vehicle in the green light lane does not pass and the vehicle in the red light lane waits for the red light, and can realize the real-time green band control of regional road traffic.
Description
Technical Field
The invention relates to the technical field of traffic green wave bands, in particular to a control device and a control method for realizing regional traffic green wave bands based on a traffic flow sensor.
Background
With the rapid increase of the number of motor vehicles, the problem of vehicle congestion caused by the change and waiting of traffic lights is more prominent, and the traffic lights are more frequently used, so that the traffic lights are red lights when the traffic lights are too many and the traffic lights are turned to the next intersection; secondly, the lane waits for a red light, and at the moment, no vehicle passes through the opposite green light lane; in addition, traffic flow changes have unidirectional traffic jam caused by flow fluctuation such as morning and evening peaks, holidays and the like; many cities also build and use the green band control model of some road traffic signals.
The green wave band is on the appointed traffic route, after the speed of the road section is appointed, the signal control machine makes corresponding adjustment to the green light starting time of each road junction passed by the traffic flow according to the distance of the road section, so as to ensure that the traffic flow just meets the green light when reaching each signal light intersection.
However, the existing green band control modes for building cities and using traffic signals are green band control modes for large main lanes, and the defects of the green band control modes are as follows: 1. only large trunk lane green wave band control can be realized, and actual green wave band control in the whole area cannot be realized; 2. at present, a green wave band control method of video acquisition traffic flow and fixed setting time is adopted, the original intersection needs to be rebuilt, the construction cost is high, and the maintenance is difficult; 3. the adjustment cannot be carried out in real time, and the differential treatment of the actual morning and evening peaks is difficult; 4. the conditions of traffic accidents, traffic construction vehicles, too much flow and the like on the road section cannot be adjusted, and the adjustment of adding one more intersection on the road section is difficult.
Disclosure of Invention
The invention aims to provide a device and a method for realizing regional traffic green band control based on a traffic flow sensor, which are used for solving the defects that the existing traffic green band control mode cannot carry out green band control on small road junctions, cannot carry out green band control on the whole region, cannot carry out real-time adjustment, and has overhigh construction cost and high maintenance cost.
The technical scheme adopted by the invention for realizing the technical purpose is as follows: the control device for realizing regional traffic green wave band based on the traffic flow sensor has the structural characteristics that: the traffic flow control system comprises a traffic flow sensing module, a traffic cloud management platform, a signal lamp controller and traffic signal lamps.
The traffic flow sensing module comprises a box body, and a traffic flow geomagnetic sensor chip, a communication device, a battery device and a GPS positioning module which are arranged in the box body.
The traffic flow sensing module is embedded in each lane behind a stop line of a traffic signal lamp intersection; two or more lanes are installed.
The traffic flow sensing module is in communication connection with the signal lamp controller and the traffic cloud management platform through the communication device to transmit sensing information.
The traffic cloud management platform is in communication connection with the traffic flow sensing module to receive traffic flow information and GPS positioning information of each lane, is in communication connection with the signal lamp controller, calculates the green lamp starting time and duration of each lane signal lamp of the crossroad and the next crossroad according to the green wave band speed, and sends the green lamp starting time and duration to the signal lamp controller to control the traffic signal lamp.
The signal lamp controller directly controls the traffic signal lamps according to the information of the traffic cloud management platform, controls the switching of the traffic signal lamps, can independently receive the traffic flow sensing module, can store the running record of the last week of the traffic signal lamp controller, and can realize various control modes.
The control method for realizing the regional traffic green wave band based on the traffic flow sensor is based on the control device for realizing the regional traffic green wave band based on the traffic flow sensor, and comprises the following steps:
s1, the traffic flow sensing module acquires real-time vehicle sensing information of the intersection; the induction information is transmitted to the signal lamp controller and the traffic cloud management platform through the communication device; the induction information comprises whether vehicles stay at the red light intersection, the vehicle stay time, the stay traffic flow length, whether vehicles pass through the green light lane or not and the distance between adjacent crossroads;
s2, the traffic cloud management platform calculates the green light starting time and duration of each lane signal light; the traffic cloud management platform intelligently calculates the green light starting time and duration of each lane signal lamp of the crossroad and the next crossroad according to the real-time intersection sensing information and the vehicle speed of the green wave band;
s3, the traffic cloud management platform sends the signal lamp control time length to the signal lamp controller, and the signal lamp controller controls the traffic signal lamp according to the received green lamp starting time and time length;
s4, comparing the real-time sensing information obtained by the traffic flow sensing module with the real-time sensing information obtained by the traffic cloud management platform, and adjusting the time and duration of the traffic signal lamp in the next period; and the real-time traffic green band control of all roads in the area is realized.
The invention has the beneficial effects that: the traffic signal lamp control device can detect whether the vehicle stays, the vehicle staying time, the vehicle passing speed, the distance between adjacent crossroads and other information in real time, can acquire more comprehensive traffic information, realizes the green wave band passing of regional roads according to the information, and avoids the situations of overlong waiting time, waste of green light resources at the crossroads and the like; meanwhile, the traffic flow sensing module is more stable in structure, higher in safety and convenient to install and maintain. The control method disclosed by the invention has the advantages that the function of avoiding the vehicles waiting for the red light to reach the next road and the red light and the green light of the lane without the vehicles walking and the vehicles on the opposite lane waiting for the red light is realized, the green wave band of the traffic is realized, the application range is wider, the congestion problem is greatly relieved, the time of traffic lights is more reasonably distributed, the traffic lights are more intelligently switched, and the situations of overlong red light waiting time, green light resource waste at the road junction and the like are avoided.
Drawings
Fig. 1 is an overall schematic diagram of a green band control device for realizing regional traffic based on a traffic flow sensor.
FIG. 2 is a schematic diagram of a traffic flow sensing module of the control device for realizing regional traffic green wave band based on the traffic flow sensor.
FIG. 3 is a schematic view of the intersection installation of the control device for realizing regional traffic green wave band based on the traffic flow sensor.
FIG. 4 is a flow chart of a method for implementing green band control of regional traffic based on traffic flow sensors according to the present invention.
Wherein: 1. a traffic flow sensing module; 11. a box body; 12. a traffic flow geomagnetic sensor chip; 13. a communication device; 14. a battery device; 15. a GPS positioning module; 2. a traffic cloud management platform; 3. a signal lamp controller; 4. traffic signal lights.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1, as shown in the figure, a traffic signal lamp control device based on a traffic flow sensor includes a traffic flow sensing module 1, a traffic cloud management platform 2, a signal lamp controller 3, and a traffic signal lamp 4.
Referring to fig. 2, as shown in the drawing, the traffic flow sensing module 1 in this embodiment uses a traffic flow geomagnetic sensor chip 12 with wireless communication, a battery device 14 with battery for power supply (a set of batteries can work continuously for more than 5 years), and wireless communication is performed to the signal lamp controller 3 and the traffic cloud management platform 2, the box body can bear a heavy pressure of 20 tons, can sense the passing of a vehicle within 0.1S to 0.3S, and can give a pulse signal to the signal lamp controller 4 and the traffic cloud management platform 2, and can read the capacity and fault information of the battery device 14.
Referring to fig. 3, as shown in the figure, the traffic sensing module 1 is installed at two positions on each lane after being buried in the stop line of each lane.
The traffic cloud management platform 2 in the embodiment adopts a cloud platform, and intelligently calculates the green light starting time and duration of each lane signal lamp of the intersection and the next intersection according to the vehicle speed of a green wave band according to the received induction information including whether vehicles stay at the red light intersection, the vehicle staying time, the staying traffic flow length, whether vehicles pass through the green light lane and the distance between adjacent intersections;
the signal lamp controller 4 in this embodiment adopts wireless communication or wired communication, replaces or upgrades the original signal lamp controller at the intersection, keeps the original interface to control the traffic signal lamp (including a hard-wired interface or a communication interface), and adopts wireless or wired communication to the traffic cloud management platform, receives the green light start time and duration of each lane signal lamp calculated by the traffic cloud management platform, and controls the traffic signal lamp. The running record of the last week (7 days) of the self-storage device can be stored, and various control modes can be realized.
The signal light controller 4 in this embodiment has a plurality of control modes including an intelligent mode, a stand-alone mode, and an emergency mode. The switching of the traffic signal lamps is controlled through different modes of the signal lamp controller so as to meet the control of the traffic signal lamps under different use scenes.
In the intelligent mode, the traffic cloud management platform controls the signal lamp controller according to the steps, so that the green wave band control of traffic signal lamps at all intersections is realized, and the green wave band passing of all roads or all regions, even all roads in the whole city, is realized.
In this embodiment, the signal lamp controller operates in the stand-alone mode when the network is interrupted or in a time other than the intelligent mode or the emergency mode, at this time, the signal lamp controller may have a situation that the traffic cloud management platform information cannot be acquired, at this time, the traffic signal lamp operates in the stand-alone mode, and the setting value of the signal lamp controller in the stand-alone mode is an operation record value stored for the last week (7 days). Be equipped with storage device in the signal lamp controller, the signal lamp controller operational information of traffic cloud management platform record is stored to storage device, and simultaneously, storage device will store the operation record value of a week (7 days), and the record information divide into the traffic flow information of weekday and the traffic flow information of weekend, because the traffic flow information of weekend and weekend has difference by a wide margin, consequently distinguishes that the traffic flow information of weekend and weekend more accords with the in-service use demand. Compared with the traditional timing traffic signal lamp switching, the timing traffic signal lamp switching method is more intelligent and can reduce the congestion time.
In this embodiment, the signal lamp controller is configured to control the traffic cloud management platform manually in the emergency mode, and directly send the start and end times of the green light to the signal lamp controller to directly control the traffic signal lamp. When emergency important vehicles such as an ambulance, a fire truck, a conference, a celebration and the like pass, the traffic control department can manually control the vehicles to keep green lights passing all the way.
The traffic signal lamp returning signal lamp controller of the embodiment controls, namely, the signal lamp at the current intersection is not changed or changed. And the construction cost and the construction period are reduced.
The traffic cloud management platform of the embodiment also compares the real-time sensing information obtained by the traffic flow sensing module, and adjusts the time and duration of the traffic signal lamp in the next period; real-time traffic green band control of all roads in region
Referring to fig. 3, as shown, the traffic signal light control method based on the traffic flow sensor includes the following steps:
s1, the traffic flow sensing module acquires real-time vehicle sensing information of the intersection; the induction information is transmitted to the signal lamp controller and the traffic cloud management platform through the communication device; the sensing information comprises whether vehicles stay at the red light intersection, the vehicle stay time, the stay traffic flow length, whether vehicles pass through the green light lane and the distance between adjacent crossroads.
S2, the traffic cloud management platform calculates the green light starting time and duration of each lane signal light; and the traffic cloud management platform intelligently calculates the green light starting time and duration of each lane signal lamp of the crossroad and the next crossroad according to the real-time intersection sensing information and the vehicle speed of the green wave band.
And S3, the traffic cloud management platform sends the signal lamp control time to the signal lamp controller, and the signal lamp controller controls the traffic signal lamp according to the received green lamp starting time and the received green lamp time.
S4, comparing the real-time sensing information obtained by the traffic flow sensing module with the real-time sensing information obtained by the traffic cloud management platform, and adjusting the time and duration of the traffic signal lamp in the next period; and the real-time traffic green band control of all roads in the area is realized.
Claims (3)
1. Control device based on traffic flow sensor realizes regional green wave band of traffic, its characterized in that:
the traffic flow monitoring system comprises a traffic flow sensing module (1), a traffic cloud management platform (2), a signal lamp controller (3) and traffic signal lamps (4);
the traffic flow sensing module (1) is in communication connection with the signal lamp controller (3) and the traffic cloud management platform (2) through the communication device (13) to transmit sensing information; the induction information comprises whether vehicles stay at the red light intersection, the vehicle stay time, the stay traffic flow length, whether vehicles pass through the green light lane or not and the distance between adjacent crossroads;
the traffic cloud management platform (2) is in communication connection with the traffic flow sensing module (1) to receive traffic flow information and GPS positioning information of each lane, is in communication connection with the signal lamp controller (3), calculates the green lamp starting time and duration of each lane signal lamp of the crossroad and the next crossroad according to the green wave band speed, and sends the green lamp starting time and duration to the signal lamp controller (3) to control the traffic signal lamp (4);
the traffic light controller (3) directly controls the traffic light (4) according to the information of the traffic cloud management platform (2), controls the switching of the traffic light (4), can also independently receive the traffic flow sensing module (1), can store the running record of the last week of the traffic flow sensing module, and can realize various control modes.
2. The traffic-flow-sensor-based control device for realizing regional traffic green wave band according to claim 1, characterized in that: the traffic flow sensing module (1) comprises a box body (11), and a traffic flow geomagnetic sensor chip (12), a communication device (13), a battery device (14) and a GPS positioning module (15) which are arranged in the box body (11);
the traffic flow sensing module (1) is buried in each lane behind a stop line of a traffic signal lamp intersection; two or more lanes are installed.
3. The control method for realizing the regional traffic green wave band based on the traffic flow sensor comprises the control device for realizing the regional traffic green wave band based on the traffic flow sensor according to claim 1, and is characterized in that:
the control method comprises the following steps:
s1, the traffic flow sensing module acquires real-time vehicle sensing information of the intersection; the induction information is transmitted to the signal lamp controller and the traffic cloud management platform through the communication device; the induction information comprises whether vehicles stay at the red light intersection, the vehicle stay time, the stay traffic flow length, whether vehicles pass through the green light lane or not and the distance between adjacent crossroads;
s2, the traffic cloud management platform calculates the green light starting time and duration of each lane signal light; the traffic cloud management platform intelligently calculates the green light starting time and duration of each lane signal lamp of the crossroad and the next crossroad according to the real-time intersection sensing information and the vehicle speed of the green wave band;
s3, the traffic cloud management platform sends the signal lamp control time length to the signal lamp controller, and the signal lamp controller controls the traffic signal lamp according to the received green lamp starting time and time length;
s4, comparing the real-time sensing information obtained by the traffic flow sensing module with the real-time sensing information obtained by the traffic cloud management platform, and adjusting the time and duration of the traffic signal lamp in the next period; and the real-time traffic green band control of all roads in the area is realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110431764.6A CN113178086A (en) | 2021-04-21 | 2021-04-21 | Control device and method for realizing regional traffic green wave band based on traffic flow sensor |
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| CN202110431764.6A CN113178086A (en) | 2021-04-21 | 2021-04-21 | Control device and method for realizing regional traffic green wave band based on traffic flow sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114202926A (en) * | 2022-01-27 | 2022-03-18 | 西安交通工程学院 | Signal control system based on PLC |
| CN114973709A (en) * | 2022-05-31 | 2022-08-30 | 重庆长安汽车股份有限公司 | Intelligent control system and control method for urban traffic lights |
| CN115512451A (en) * | 2022-09-16 | 2022-12-23 | 广州隧华智慧交通科技有限公司 | Switchable highway toll ETC lane system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778791A (en) * | 2012-10-26 | 2014-05-07 | 中兴通讯股份有限公司 | Traffic adaptive control method and traffic adaptive control device |
| CN103810865A (en) * | 2012-11-06 | 2014-05-21 | 上海宝康电子控制工程有限公司 | System and method for controlling artery green wave traffic signal based on Internet of Things |
| CN107622679A (en) * | 2017-11-02 | 2018-01-23 | 淄博恒锐电子科技有限公司 | Regional traffic green wave coordination control method based on more agent |
| CN110718075A (en) * | 2019-08-30 | 2020-01-21 | 安锐 | Relay green wave traffic control method and device |
-
2021
- 2021-04-21 CN CN202110431764.6A patent/CN113178086A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778791A (en) * | 2012-10-26 | 2014-05-07 | 中兴通讯股份有限公司 | Traffic adaptive control method and traffic adaptive control device |
| CN103810865A (en) * | 2012-11-06 | 2014-05-21 | 上海宝康电子控制工程有限公司 | System and method for controlling artery green wave traffic signal based on Internet of Things |
| CN107622679A (en) * | 2017-11-02 | 2018-01-23 | 淄博恒锐电子科技有限公司 | Regional traffic green wave coordination control method based on more agent |
| CN110718075A (en) * | 2019-08-30 | 2020-01-21 | 安锐 | Relay green wave traffic control method and device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114202926A (en) * | 2022-01-27 | 2022-03-18 | 西安交通工程学院 | Signal control system based on PLC |
| CN114973709A (en) * | 2022-05-31 | 2022-08-30 | 重庆长安汽车股份有限公司 | Intelligent control system and control method for urban traffic lights |
| CN115512451A (en) * | 2022-09-16 | 2022-12-23 | 广州隧华智慧交通科技有限公司 | Switchable highway toll ETC lane system |
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Application publication date: 20210727 |