CN112447053A - Traffic light regulation and control system for congested road section - Google Patents
Traffic light regulation and control system for congested road section Download PDFInfo
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- CN112447053A CN112447053A CN202011332142.XA CN202011332142A CN112447053A CN 112447053 A CN112447053 A CN 112447053A CN 202011332142 A CN202011332142 A CN 202011332142A CN 112447053 A CN112447053 A CN 112447053A
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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
- G08G1/095—Traffic lights
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- 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
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/085—Controlling traffic signals using a free-running cyclic timer
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a traffic light regulation and control system for congested road sections, which is characterized in that traffic flow data of a transverse road and a longitudinal road are respectively collected through traffic flow collection modules arranged on the transverse road and the longitudinal road of a crossroad, if the traffic flow data of the transverse road is greater than the traffic flow data of the longitudinal road, a control signal is output to control the traffic light control module to prolong the green light time of the transverse road and shorten the red light time of the transverse road, and if the traffic flow data of the transverse road is less than the traffic flow data of the longitudinal road, the control signal is output to control the traffic light control module to shorten the green light time of the transverse road and prolong the red light time of the transverse road, so that the scientific setting of the red light and the green light at the crossroad is realized, the congestion condition at the cross.
Description
Technical Field
The invention belongs to the technical field of Internet of things, and relates to a traffic light regulation and control system, in particular to a traffic light regulation and control system for congested road sections.
Background
Urban road intersections are basic nodes of an urban road network and are also bottlenecks of network traffic flows. At present, most uncontrolled intersections have the problems of disordered traffic flow, slow speed, serious delay condition, multiple accidents, low traffic capacity, low service level and the like in a peak period. The purpose of traffic signal control is to provide a safe, reliable and efficient flow of traffic for urban road intersections (or traffic networks), usually the most common principle being maximum throughput of vehicles at the intersection or minimum delay of vehicles at the intersection.
However, with the rapid development of cities, vehicles in the cities are more and more, the road traffic pressure is increased, particularly during rush hours when the vehicles are on duty and off duty, congestion is very serious, the on duty time is delayed, and great ground pressure is caused to traffic departments.
Disclosure of Invention
The invention aims to provide a traffic light control system for congested road sections, which realizes scientific arrangement of red and green lights at intersections, relieves the congestion condition of intersections and improves the road passing efficiency.
The purpose of the invention can be realized by the following technical scheme:
a traffic light regulation and control system for congested road sections comprises a traffic flow acquisition module, a wireless transmission module, a data acquisition module, a data processing module, a data comparison module and a traffic light control module;
the traffic flow acquisition module is arranged on the transverse and longitudinal roads of the crossroad, acquires traffic flow data of the transverse road and the longitudinal road in real time, and uploads the traffic flow data through the wireless transmission module;
the wireless transmission module is used for being wirelessly connected with the traffic flow acquisition module and transmitting the traffic flow data of the transverse road and the longitudinal road acquired by the traffic flow acquisition module to the data acquisition module in real time through a wireless network;
the data acquisition module is used for collecting the traffic flow data of the transverse road and the longitudinal road acquired by the traffic flow acquisition module in real time through a wireless network and outputting the data to the data processing module;
the data processing module is used for preprocessing the traffic flow data of the transverse road and the longitudinal road collected by the data collecting module and outputting the preprocessed traffic flow data of the transverse road and the longitudinal road to the data comparing module;
the data comparison module compares the preprocessed traffic flow data of the transverse road and the longitudinal road, if the traffic flow data of the transverse road is larger than the traffic flow data of the longitudinal road, the data comparison module outputs a control signal to control the traffic light control module to prolong the green light time of the transverse road and shorten the red light time of the transverse road, and if the traffic flow data of the transverse road is smaller than the traffic flow data of the longitudinal road, the data comparison module outputs a control signal to control the traffic light control module to shorten the green light time of the transverse road and prolong the red light time of the transverse road;
and the traffic light control module adjusts the time of the traffic light at the crossroad according to the control signals output by the data comparison module and the data calculation module.
The data calculation module is used for calculating traffic flow data of the transverse road and the longitudinal road after being compared by the data comparison module, subtracting data with small numerical values from data with large numerical values, outputting a regulating signal to control the lengthening/shortening time of the traffic light control module to be 10 seconds if the difference value is smaller than a preset threshold value, and outputting a regulating signal to control the lengthening/shortening time of the traffic light control module to be 30 seconds if the difference value is larger than the preset threshold value.
The invention has the beneficial effects that: according to the traffic light control system for the congested road section, the traffic flow data of the transverse road and the longitudinal road are respectively collected through the traffic flow collection modules arranged on the transverse road and the longitudinal road of the crossroad, if the traffic flow data of the transverse road is larger than the traffic flow data of the longitudinal road, the control signal is output to control the traffic light control module to prolong the green light time of the transverse road and shorten the red light time of the transverse road, and if the traffic flow data of the transverse road is smaller than the traffic flow data of the longitudinal road, the control signal is output to control the traffic light control module to shorten the green light time of the transverse road and prolong the red light time of the transverse road, so that the scientific setting of the red light and the green light of the crossroad is realized, the congestion condition of the crossroad is relieved.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1, the invention provides a traffic light control system for a congested road section, which comprises a traffic flow acquisition module, a wireless transmission module, a data acquisition module, a data processing module, a data comparison module, a data calculation module and a traffic light control module.
The traffic flow acquisition module is arranged on the transverse and longitudinal roads of the crossroad, acquires traffic flow data of the transverse road and the longitudinal road in real time, and uploads the traffic flow data through the wireless transmission module.
And the wireless transmission module is used for being wirelessly connected with the traffic flow acquisition module and transmitting the traffic flow data of the transverse road and the longitudinal road acquired by the traffic flow acquisition module to the data acquisition module in real time through a wireless network.
And the data acquisition module is used for collecting the traffic flow data of the transverse road and the longitudinal road acquired by the traffic flow acquisition module in real time through a wireless network and outputting the data to the data processing module.
And the data processing module is used for carrying out data preprocessing on the traffic flow data of the transverse road and the longitudinal road collected by the data collecting module and outputting the traffic flow data of the transverse road and the longitudinal road after the data preprocessing to the data comparing module.
And the data comparison module is used for comparing the traffic flow data of the preprocessed transverse road and longitudinal road, outputting a control signal to control the traffic light control module to prolong the green light time of the transverse road and shorten the red light time of the transverse road if the traffic flow data of the transverse road is greater than the traffic flow data of the longitudinal road, and outputting the control signal to control the traffic light control module to shorten the green light time of the transverse road and prolong the red light time of the transverse road if the traffic flow data of the transverse road is less than the traffic flow data of the longitudinal road.
And the data calculation module is used for calculating the traffic flow data of the transverse road and the longitudinal road after being compared by the data comparison module, subtracting the data with smaller numerical value from the data with larger numerical value, outputting a regulating signal to control the lengthening/shortening time of the traffic light control module to be 10 seconds if the difference value is smaller than a preset threshold value, and outputting a regulating signal to control the lengthening/shortening time of the traffic light control module to be 30 seconds if the difference value is larger than the preset threshold value.
And the traffic light control module is used for adjusting the time of the traffic light at the crossroad according to the control signals output by the data comparison module and the data calculation module.
According to the traffic light control system for the congested road section, the traffic flow data of the transverse road and the longitudinal road are respectively collected through the traffic flow collection modules arranged on the transverse road and the longitudinal road of the crossroad, if the traffic flow data of the transverse road is larger than the traffic flow data of the longitudinal road, the control signal is output to control the traffic light control module to prolong the green light time of the transverse road and shorten the red light time of the transverse road, and if the traffic flow data of the transverse road is smaller than the traffic flow data of the longitudinal road, the control signal is output to control the traffic light control module to shorten the green light time of the transverse road and prolong the red light time of the transverse road, so that the scientific setting of the red light and the green light of the crossroad is realized, the congestion condition of the crossroad is relieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (2)
1. A traffic light regulation and control system for congested road sections is characterized by comprising a traffic flow acquisition module, a wireless transmission module, a data acquisition module, a data processing module, a data comparison module and a traffic light control module;
the traffic flow acquisition module is arranged on the transverse and longitudinal roads of the crossroad, acquires traffic flow data of the transverse road and the longitudinal road in real time, and uploads the traffic flow data through the wireless transmission module;
the wireless transmission module is used for being wirelessly connected with the traffic flow acquisition module and transmitting the traffic flow data of the transverse road and the longitudinal road acquired by the traffic flow acquisition module to the data acquisition module in real time through a wireless network;
the data acquisition module is used for collecting the traffic flow data of the transverse road and the longitudinal road acquired by the traffic flow acquisition module in real time through a wireless network and outputting the data to the data processing module;
the data processing module is used for preprocessing the traffic flow data of the transverse road and the longitudinal road collected by the data collecting module and outputting the preprocessed traffic flow data of the transverse road and the longitudinal road to the data comparing module;
the data comparison module compares the preprocessed traffic flow data of the transverse road and the longitudinal road, if the traffic flow data of the transverse road is larger than the traffic flow data of the longitudinal road, the data comparison module outputs a control signal to control the traffic light control module to prolong the green light time of the transverse road and shorten the red light time of the transverse road, and if the traffic flow data of the transverse road is smaller than the traffic flow data of the longitudinal road, the data comparison module outputs a control signal to control the traffic light control module to shorten the green light time of the transverse road and prolong the red light time of the transverse road;
and the traffic light control module adjusts the time of the traffic light at the crossroad according to the control signals output by the data comparison module and the data calculation module.
2. The traffic light control system for congested road sections according to claim 1,
the traffic flow data of the transverse road and the longitudinal road after being compared by the data comparison module are calculated by the data calculation module, the data with the larger numerical value is subtracted from the data with the smaller numerical value, if the difference value is smaller than a preset threshold value, the time for prolonging/shortening the traffic light control module by the output adjusting signal is 10 seconds, and if the difference value is larger than the preset threshold value, the time for prolonging/shortening the traffic light control module by the output adjusting signal is 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011332142.XA CN112447053A (en) | 2020-11-24 | 2020-11-24 | Traffic light regulation and control system for congested road section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011332142.XA CN112447053A (en) | 2020-11-24 | 2020-11-24 | Traffic light regulation and control system for congested road section |
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| CN112447053A true CN112447053A (en) | 2021-03-05 |
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| CN202011332142.XA Withdrawn CN112447053A (en) | 2020-11-24 | 2020-11-24 | Traffic light regulation and control system for congested road section |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223306A (en) * | 2021-04-26 | 2021-08-06 | 青岛海信网络科技股份有限公司 | Signal lamp control method, device, equipment and medium |
| CN114241794A (en) * | 2021-12-01 | 2022-03-25 | 四川华鲲振宇智能科技有限责任公司 | Traffic light automatic control and adjustment method |
| CN114694392A (en) * | 2022-03-29 | 2022-07-01 | 东风汽车集团股份有限公司 | Intelligent traffic light intersection efficient passing method based on vehicle-road cooperation |
| CN115083160A (en) * | 2022-06-15 | 2022-09-20 | 国汽智控(北京)科技有限公司 | Signal lamp control method and device and signal lamp controller |
| CN117079467A (en) * | 2023-10-12 | 2023-11-17 | 成都通广网联科技有限公司 | Method and system for relieving road congestion based on perception fusion technology |
-
2020
- 2020-11-24 CN CN202011332142.XA patent/CN112447053A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223306A (en) * | 2021-04-26 | 2021-08-06 | 青岛海信网络科技股份有限公司 | Signal lamp control method, device, equipment and medium |
| CN114241794A (en) * | 2021-12-01 | 2022-03-25 | 四川华鲲振宇智能科技有限责任公司 | Traffic light automatic control and adjustment method |
| CN114241794B (en) * | 2021-12-01 | 2023-03-24 | 四川华鲲振宇智能科技有限责任公司 | Traffic light automatic control and adjustment method |
| CN114694392A (en) * | 2022-03-29 | 2022-07-01 | 东风汽车集团股份有限公司 | Intelligent traffic light intersection efficient passing method based on vehicle-road cooperation |
| CN115083160A (en) * | 2022-06-15 | 2022-09-20 | 国汽智控(北京)科技有限公司 | Signal lamp control method and device and signal lamp controller |
| CN117079467A (en) * | 2023-10-12 | 2023-11-17 | 成都通广网联科技有限公司 | Method and system for relieving road congestion based on perception fusion technology |
| CN117079467B (en) * | 2023-10-12 | 2024-01-02 | 成都通广网联科技有限公司 | Method and system for relieving road congestion based on perception fusion technology |
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Application publication date: 20210305 |