CN103531031A - Research of realizing green wave band passing control based on traffic main line soft enclosing area video detection identification - Google Patents
Research of realizing green wave band passing control based on traffic main line soft enclosing area video detection identification Download PDFInfo
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Abstract
The invention belongs to a research of realizing green wave band traffic signal lights control based on urban traffic main line soft enclosing area video detection identification. Based on an existing point control and network control signal lights, passing vehicles driven into and out of soft enclosing areas are acquired, counted and analyzed in real time via counting technologies of radar, infrared, sensing, supersonic wave, etc. and technologies of vehicle license plate video identification and the like so that time proportion of a green light of a current crossing is adjusted, and the vehicles driven into the soft enclosing areas and the vehicles driven in straight lines from a former crossing green light can completely pass when the light of the current crossing turns green. The vehicles driven in the straight lines pass the current crossing when the light of the current crossing turns green, and the vehicles can also pass the next crossing with the light is green so that "all the way green" passage of bidirectional vehicle flow driven in the straight lines in main lines with the traffic signal lights is realized. Road segments between crossings are provided with the soft enclosing areas, which is firstly put forward by the invention so that waiting time of the vehicles stopping at the crossing with a red light is reduced, passing capacity of main line roads is enhanced and urban road traffic pressure is alleviated.
Description
Technical field
The invention belongs to a kind of urban traffic trunk line pliable-closure district video and detect the research that identification realizes " green wave band " control traffic lights.The present invention is on the basis of the control of existing point and network control signal lamp, by traffic engineering technology, artificial intelligence technology and automatic control technology combine effectively, pass through radar, infrared, induction, the technology such as the countings such as ultrasound wave and video identification vehicle license realize sailing in pliable-closure district, the traffick rolling away from carries out in real time, effectively gather, statistics, analyze, and then adjust the timing of this crossing green light, reach and pass through completely during this cycle is during green light lamp entering during all vehicles in pliable-closure district and last crossing green light by sailing the through vehicles that comes, the through vehicles passing through when the green light lamp of this crossing enters non-pliable-closure district, next crossing also can be passed through during green light lamp, thereby realizing the two-way wagon flow of traffic lights main line (craspedodrome) " blocks by nothing " current.The section that the present invention proposes first between crossing and crossing arranges pliable-closure district, reduced the time that vehicle is waited at crossing red parking, improved the traffic capacity of arterial road, alleviated urban highway traffic pressure, save social operation cost, innovation in social management is had positive facilitation and produces far-reaching influence.
Background technology
Continuous progress along with development and the human society of social productive forces, Chinese Urbanization level can be more and more higher, the increasing rapidly of vehicles number, urban transport problems can be more and more serious, and serious traffic jam is that everyone is obvious to all and hands-on.Its reason mainly contains: or the traffic capacity of existing road network is inadequate, or the road orientation of existing road network is unreasonable, or because the management to traffic flow is controlled ineffective.The fundamental way that solves urban transport problems has two: the one, accelerate Transport Facility Construction; The 2nd, tighten traffic management.Yet the possibility of building or extend existing road in city is more and more less, thereby strengthen becoming the important channel of improving traffic to the reasonable utilization of existing road and to effective control and management of traffic lights.Along with deepening continuously of road traffic signal lamp promoted and development, alleviated to a certain extent the pressure of traffic, but a lot of city because waiting, traffic lights conversion causes vehicle congestion problem more and more outstanding.In order to alleviate and to solve this serial problem, a lot of cities of China are traffic lights " green wave band " management philosophy and the technology of Introduced From Abroad successively, but the timing that how to calculate exactly green light becomes new bottleneck and difficult point.
Summary of the invention
For solving problem and the bottleneck that waits the timing that causes vehicle congestion and signal lamp " green wave band " because of traffic lights conversion, effectively alleviate road traffic pressure, save social operation cost, make more practical, convenient, the hommization of road traffic signal lamp " green wave band " technology application.The present invention gets on the basis of the control of existing point and network control signal lamp, pass through radar, infrared, induction, the technology such as the countings such as ultrasound wave and video identification vehicle license realize sailing in pliable-closure district, the traffick rolling away from carries out in real time, effectively gather, statistics, analyze, and then adjust the timing of this crossing green light, reach and pass through completely during this cycle is during green light lamp entering during all vehicles in pliable-closure district and last crossing green light by sailing the through vehicles that comes, the through vehicles passing through when the green light lamp of this crossing enters non-pliable-closure district, next crossing also can be passed through during green light lamp, thereby realizing the two-way wagon flow of traffic lights main line (craspedodrome) " blocks by nothing " current.This invention: 1, belong to a kind of and detect based on urban traffic trunk line pliable-closure district video the research that identification realizes " green wave band " control traffic lights, by the technology such as the countings such as radar, infrared, induction, ultrasound wave and video identification vehicle license realize that the traffick that pliable-closure district is sailed into, rolled away from carries out in real time, effectively gathers, statistics, analysis, adjust the timing of this crossing green light, thereby realize the two-way wagon flow of traffic lights main line (craspedodrome), " block by nothing " current, 2, vehicle queue between Yu Shizi crossing, assorted word crossing waits section pliable-closure district is set, utilize this pliable-closure district to be about to current vehicle fleet size and to add up entering this district, analyze, study and judge, and then calculate soon by gross vehicle quantity and the transit time at Shi Zi crossing, the place ahead, while utilizing signal lamp control system to coordinate to intervene the green light lamp of controlling Shi Zi crossing, the place ahead, reach and pass through completely during this cycle is during green light lamp entering during all vehicles in pliable-closure district and last crossing green light by sailing the through vehicles that comes, the through vehicles passing through when the green light lamp of this crossing enters non-pliable-closure district, next crossing also can be passed through during green light lamp, 3, the method that pliable-closure district is set is, according to the distance between Yu Shizi crossing, assorted word crossing, section is divided into 3 classes: a class is that 500 meters of <, b are that 500 meters-1000 meters, c class are 1000 meters of >, 4, the computing method that pliable-closure section length are set are carried out computational analysis setting according to the quantity of transitable through vehicles in green light timing (during maximum green light lamp 99 seconds), the institute in 5, pliable-closure districts there is any discrepancy crossing arranges mounting vehicle quantity flow information collecting device [comprising flow collection equipment and the instruments such as radar, infrared, inductive coil, ultrasound wave counting and vehicle license video capture identification (electronic police, road bayonet socket, the police of flowing)], use " sailing 1 car into adds 1, rolls 1 car away from and subtract 1 " real-time statistics to enter the vehicle fleet in pliable-closure district, system is calculated the green time that all vehicles in pliable-closure district need by crossing automatically, controls in real time by the intervention of signal lamp controller, 6, in the outgoing vehicles ,②, pliable-closure district, vehicle stop line place, crossroad, You①, pliable-closure district, vehicle fleet size data acquisition information source, pliable-closure district arranging all non-major trunk roads roads in right side (sidewalk, community, parking lot etc.) sail into, outgoing vehicles, 3., the vehicle (travel as example with north orientation, comprise right-hand rotation vehicle, the left turning vehicle at western entrance, the through vehicles of Nan Kou of Dong Kou) that sails into of a upper assorted word crossing.
Feature of the present invention:
1, innovative thinking is novel, the present invention uses main line pliable-closure district video to detect identification and realizes " green wave band " control traffic lights, the traffick that pliable-closure district is sailed into, rolled away from carries out in real time, effectively gathers, adds up, analyzes, adjust the timing of this crossing green light, thereby realize the two-way wagon flow of traffic lights main line (craspedodrome), " block by nothing " currently, invention theory is novel, original;
2, design more humane, the present invention proposes configuration intervention and the control when urban trunk road arranges the realization of pliable-closure district to green light lamp, be convenient to public safety traffic management department signal lamp is controlled, stronger than the control of existing point and network control signal lamp operability;
3, implementation is many, and the present invention adopts the technical approach such as the countings such as radar, infrared, induction, ultrasound wave and video identification vehicle license to realize, and implementation is many, and counting identification precision is high;
4, upgrade cost is little, and the present invention is to existing traffic lights and vehicle flow collecting device transformation enforcement is simple, upgrade cost is less;
5, installation is more convenient, and simple installation is simple to operate, good stability.
Accompanying drawing explanation
Fig. 1 realizes " green wave band " access control principle of work block diagram based on main line of communication pliable-closure district video identification;
Fig. 2 realizes " green wave band " access control based on the main line of communication pliable-closure district video identification schematic diagram is set;
Embodiment
For solving problem and the bottleneck that waits the timing that causes vehicle congestion and signal lamp " green wave band " green light because of traffic lights conversion, effectively alleviate road traffic pressure.The present invention gets on the basis of the control of existing point and network control signal lamp, pass through radar, infrared, induction, the technology such as the countings such as ultrasound wave and video identification vehicle license realize sailing in pliable-closure district, the traffick rolling away from carries out in real time, effectively gather, statistics, analyze, and then adjust the timing of this crossing green light, reach and pass through completely during this cycle is during green light lamp entering during all vehicles in pliable-closure district and last crossing green light by sailing the through vehicles that comes, the through vehicles passing through when the green light lamp of this crossing enters non-pliable-closure district, next crossing also can be passed through during green light lamp, thereby realizing the two-way wagon flow of traffic lights main line (craspedodrome) " blocks by nothing " current, more practical than the application of existing signal lamp " green wave band " of the present invention technology, convenient, hommization, operability is stronger.Particular content is:
1, the invention belongs to a kind of research that detects identification realization " green wave band " control traffic lights based on urban traffic trunk line pliable-closure district video, by the technology such as the countings such as radar, infrared, induction, ultrasound wave and video identification vehicle license realize that the traffick that pliable-closure district is sailed into, rolled away from carries out in real time, effectively gathers, statistics, analysis, adjust the timing of this crossing green light, thereby realize the two-way wagon flow of traffic lights main line (craspedodrome), " block by nothing " currently, its principle of work as shown in Figure 1.
2, the present invention proposes first vehicle queue between Yu Shizi crossing, assorted word crossing and waits section pliable-closure district is set, utilize this pliable-closure district to be about to current vehicle fleet size and to add up entering this district, analyze, study and judge, and then calculate soon by gross vehicle quantity and the transit time at Shi Zi crossing, the place ahead, while utilizing signal lamp control system to coordinate to intervene the green light lamp of controlling Shi Zi crossing, the place ahead, reach and pass through completely during this cycle is during green light lamp entering during all vehicles in pliable-closure district and last crossing green light by sailing the through vehicles that comes, the through vehicles passing through when the green light lamp of this crossing enters non-pliable-closure district, next crossing also can be passed through during green light lamp,
3, the present invention arranges the method in pliable-closure district and is:
1. first select turnpike road and the section in pliable-closure district need be set, and according to the distance between Yu Shizi crossing, assorted word crossing, section is divided into 3 classes: a class is that 500 meters of <, b are that 500 meters-1000 meters, c class are 1000 meters of >;
2. according to selected road and section, virtual pliable-closure district is set:
The length that is a Lei Shi， pliable-closure district when section 1/2 of the line direction road section length of picking up the car;
The length that is b Lei Shi， pliable-closure district when section pick up the car line direction road section length 1/2 or according to the green light timing calculating that compares;
When section be the length in c Lei Shi， pliable-closure district according to green light timing (during maximum green light lamp 99 seconds) in the quantity of transitable through vehicles carry out computational analysis setting.
4, that the computing method of pliable-closure section length are set is as follows in the present invention, with north orientation running section X between the assorted word of A in Fig. 2 and the assorted word of B
adistance is calculated as example, between the selected assorted word of section A and the assorted word of B, distance is 2000 meters, belong to C class section, this section design speed per hour 40KM/H (11.1 meter per second), by the compromise of crossing car speed, calculate 20KM/H (5.5 meter per second), each parking of automobile takies road surface length by 5 meters of calculating (Vehicle length is according to 4 meters of calculating, and safe distance between vehicles is by 1 meter of calculating); Suppose that pliable-closure district craspedodrome fleet is fully parked with, parking of automobile start raise speed to 20KM/H (5.55 meter per second) need to be 9 seconds, rough calculation draws X
a=(99-9) * 5.55 meter per second=499.5 meter, that is to say that the length in this pliable-closure district is about 500 meters.
5, the institute of the present invention in pliable-closure district there is any discrepancy that crossing arranges mounting vehicle quantity flow information collecting device, use " sailing 1 car into adds 1, rolls 1 car away from and subtract 1 " real-time statistics to enter the vehicle fleet in pliable-closure district, system is calculated the green time that all vehicles in pliable-closure district need by crossing automatically, controls in real time by the intervention of signal lamp controller.
6, the vehicle fleet size data acquisition information source, pliable-closure district of setting of the present invention is, the north orientation running section between the assorted word of A and the assorted word of B of take in Fig. 2 is example, specifically: vehicle stop line place, crossroad, ①, pliable-closure district outgoing vehicles, specifically as No. 1 video camera in Fig. 2, capture and gather; In ②, pliable-closure district all non-major trunk roads roads in right side (sidewalk, community, parking lot etc.) sail into, outgoing vehicles, concrete as in Fig. 2 No. 2 video cameras capture collection; 3., the vehicle (through vehicles of the assorted word of left turning vehicle, the B crossing Nan Kou at the western entrance, right-hand rotation vehicle, B assorted word crossing of the assorted word of B crossing Dong Kou) that sails into of the assorted word of B crossing, concrete as in Fig. 2 No. 3 video cameras capture collection;
7, front end of the present invention is used for the collecting device that collection vehicle sailed, rolled away from quantity into and contains: road real-time traffic collecting device and the instruments such as detections of radar, infrared detection, inductive coil detect, ultrasound examination counting and vehicle license video capture identification (electronic police, road bayonet socket, the police of flowing).
Claims (8)
1. the invention belongs to a kind of urban traffic trunk line pliable-closure district video and detect the research that identification realizes " green wave band " control traffic lights.The present invention is on the basis of the control of existing point and network control signal lamp, pass through radar, infrared, induction, the technology such as the countings such as ultrasound wave and video identification vehicle license realize sailing in pliable-closure district, the traffick rolling away from carries out in real time, effectively gather, statistics, analyze, and then adjust the timing of this crossing green light, reach and pass through completely during this cycle is during green light lamp entering during all vehicles in pliable-closure district and last crossing green light by sailing the through vehicles that comes, the through vehicles passing through when the green light lamp of this crossing enters non-pliable-closure district, next crossing also can be passed through during green light lamp, thereby realizing the two-way wagon flow of traffic lights main line (craspedodrome) " blocks by nothing " current.
2. according to claim 1, the present invention proposes first vehicle queue between Yu Shizi crossing, assorted word crossing and waits section pliable-closure district is set, utilize this pliable-closure district to be about to current vehicle fleet size and to add up, analyze, study and judge entering this district, and then calculate soon by gross vehicle quantity and the transit time at Shi Zi crossing, the place ahead, while utilizing signal lamp control system to coordinate to intervene the green light lamp of controlling Shi Zi crossing, the place ahead.
3. according to described in claim 1,2, the method that the present invention arranges virtual pliable-closure district is:
1. first select turnpike road and the section in pliable-closure district need be set, and according to the distance between Yu Shizi crossing, assorted word crossing, section is divided into 3 classes: a class is that 500 meters of <, b are that 500 meters-1000 meters, c class are 1000 meters of >;
2. according to selected road and section, virtual pliable-closure district is set:
The length that is a Lei Shi， pliable-closure district when section 1/2 of the line direction road section length of picking up the car;
The length that is b Lei Shi， pliable-closure district when section pick up the car line direction road section length 1/2 or according to the green light timing calculating that compares;
When section be the length in c Lei Shi， pliable-closure district according to green light timing (during maximum green light lamp 99 seconds) in the quantity of transitable through vehicles carry out computational analysis setting.
4. according to described in claim 1,2, there is any discrepancy that crossing arranges vehicle fleet size flow information collecting device in the institute of the present invention in pliable-closure district, use " sailing 1 car into adds 1, rolls 1 car away from and subtract 1 " real-time statistics to enter the vehicle fleet in pliable-closure district, system is calculated the green time that all vehicles in pliable-closure district need by crossing automatically, coordinates to control in real time by the intervention of signal lamp controller.
5. according to described in claim 1,2,4, the vehicle fleet size information acquisition of pliable-closure of the present invention district starts to launch so that the last cycle, green light finished the vehicle fleet size collection in this cycle, by vehicle fleet size information in this cycle pliable-closure district, adjust the place ahead green light timing, and then it is current to reach " blocking by nothing ".
6. according to described in claim 1,2,4, the vehicle fleet size data acquisition information source, pliable-closure district of setting of the present invention has:
Vehicle stop line place, crossroad, ①, pliable-closure district outgoing vehicles (sailing out of major trunk roads road);
In ②, pliable-closure district all non-major trunk roads roads in right side (sidewalk, community, parking lot etc.) sail into, outgoing vehicles;
3., the vehicle (travelling as example with north orientation, the through vehicles of the right-hand rotation vehicle that comprises a crossing Dong Kou, the left turning vehicle at a upper western entrance, crossing, a upper crossing Nan Kou) in section, pliable-closure district is sailed at a upper crossing into.
7. according to claim 1, front end of the present invention is used for the collecting device that collection vehicle sailed, rolled away from quantity into and comprises: road real-time traffic collecting device and the instruments such as detections of radar, infrared detection, inductive coil detection, ultrasound examination and the identification of vehicle license video capture (electronic police, road bayonet socket, the police of flowing).
8. according to claim 1, the present invention is also suitable for place and the place that other needs " green wave band " control signal lamp, units such as airport, community, parking lot.
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| CN201310047477.0A CN103531031B (en) | 2013-02-06 | 2013-02-06 | It is a kind of that the current control method that blocks by nothing is realized based on the identification of urban traffic trunk line pliable-closure area video detection |
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| CN201310047477.0A CN103531031B (en) | 2013-02-06 | 2013-02-06 | It is a kind of that the current control method that blocks by nothing is realized based on the identification of urban traffic trunk line pliable-closure area video detection |
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| CN110874924A (en) * | 2018-08-31 | 2020-03-10 | 百度在线网络技术（北京）有限公司 | Intelligent road side unit and regulation and control method thereof |
| US11210938B2 (en) | 2018-08-31 | 2021-12-28 | Baidu Online Network Technology (Beijing) Co., Ltd. | Intelligent road side unit and regulation method thereof |
| CN112185134A (en) * | 2020-09-07 | 2021-01-05 | 山东华宇工学院 | Intelligent traffic signal lamp switching system and method |
| CN113240905A (en) * | 2021-05-12 | 2021-08-10 | 江苏东交智控科技集团股份有限公司 | Intelligent timing traffic signal lamp and signal lamp duration control method |
| CN113240905B (en) * | 2021-05-12 | 2022-07-22 | 江苏东交智控科技集团股份有限公司 | Intelligent timing traffic signal lamp and signal lamp duration control method |
| CN115424459A (en) * | 2022-08-29 | 2022-12-02 | 北京东土正创科技有限公司 | Trunk line coordination method and storage medium |
| CN115424459B (en) * | 2022-08-29 | 2024-02-27 | 北京东土正创科技有限公司 | Trunk line coordination method and storage medium |
| CN115620526B (en) * | 2022-12-21 | 2023-03-07 | 中国民航大学 | Airport land side traffic management system based on big data analysis and optimization method |
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