WO2022126485A1 - Système de gestion de trafic intelligent basé sur un flux de trafic - Google Patents

Système de gestion de trafic intelligent basé sur un flux de trafic Download PDF

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Publication number
WO2022126485A1
WO2022126485A1 PCT/CN2020/137205 CN2020137205W WO2022126485A1 WO 2022126485 A1 WO2022126485 A1 WO 2022126485A1 CN 2020137205 W CN2020137205 W CN 2020137205W WO 2022126485 A1 WO2022126485 A1 WO 2022126485A1
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Prior art keywords
traffic
unit
traffic management
vehicle
information
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PCT/CN2020/137205
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English (en)
Chinese (zh)
Inventor
程旗
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南京中诚签信息科技有限公司
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Publication of WO2022126485A1 publication Critical patent/WO2022126485A1/fr

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • 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

Definitions

  • the invention belongs to the technical field of intelligent traffic management, and in particular relates to an intelligent traffic management system based on vehicle flow.
  • Smart transportation is based on intelligent transportation (abbreviation: ITS), and fully utilizes technologies such as the Internet of Things, cloud computing, Internet, artificial intelligence, automatic control, and mobile Internet in the field of transportation.
  • All aspects of transportation such as transportation, public travel, etc., as well as the whole process of transportation construction management, are controlled and supported, so that the transportation system has the ability to perceive, interconnect, analyze, predict, and control in regions, cities, and even larger space-time areas, so as to fully Guarantee traffic safety, give full play to the efficiency of traffic infrastructure, improve the operational efficiency and management level of the traffic system, and serve the smooth public travel and sustainable economic development.
  • the purpose of the present invention is to aim at the deficiencies of the prior art and provide a smart traffic management system based on traffic flow, which not only has more complete functions, but also provides a personal access port, which greatly improves the efficiency brought by smart traffic. Convenient experience.
  • the present invention adopts the following technical solutions:
  • An intelligent traffic management system based on traffic flow comprising a traffic management center platform, a plurality of traffic management subsystems interconnected with the traffic management center platform signals, and a personal access terminal interconnected with the traffic management center platform signals.
  • the personal access terminal is used to query traffic information and send out requests, and multiple traffic management subsystems are assigned to each intersection in the city;
  • the traffic management subsystem includes a traffic flow collection unit, a video collection unit, a traffic signal control unit, a GPS positioning unit, a traffic violation monitoring unit and a command and dispatch unit, and the traffic flow collection unit is used to collect the traffic flow in all directions at the intersection,
  • the video acquisition unit is used to collect real-time video information of the intersection
  • the traffic signal control unit is used to control the traffic signal of the intersection
  • the GPS positioning unit provides a positioning function for the traffic management subsystem
  • the traffic violation monitoring unit It is used to monitor traffic violation information and collect evidence at the intersections under its jurisdiction.
  • the command and dispatch unit is used to coordinate and command joint logistics, vehicle inspection, control, and emergency command at intersections under its jurisdiction;
  • the traffic management center platform is used to store and analyze the data uploaded by all the traffic management subsystems, and issue intersection traffic control orders to the traffic management subsystem according to the analysis and processing results.
  • the traffic management subsystem also includes a vehicle speed detection unit, the vehicle speed detection unit is used to detect the vehicle speed in all directions of the intersection under its jurisdiction in real time, and transmit the vehicle speed information and vehicle information to the traffic management subsystem to which it belongs. .
  • the traffic management subsystem further includes a vehicle behavior analysis unit, and the vehicle behavior analysis unit is used for fatigue monitoring, behavior monitoring and driving behavior data analysis for vehicle drivers.
  • the traffic management subsystem further includes a license plate recognition unit, which is used for recognizing the license plate number of the vehicle.
  • the traffic management subsystem further includes a traffic guidance unit, and the traffic guidance unit is configured to issue real-time traffic guidance information to the intersection under its jurisdiction to improve the road traffic system.
  • the traffic management subsystem further includes a traffic information publishing unit, which is used for transmitting information messages to guide and control the traffic behavior of traffic participants.
  • the traffic management subsystem further includes a vehicle remote diagnosis unit, which provides remote diagnosis and guidance for the vehicle based on the wireless communication network and GPS positioning, and the service content of the vehicle remote diagnosis unit includes: Vehicle remote fault analysis, vehicle maintenance management, vehicle rescue service, vehicle anti-theft service, accident alarm service and consulting service.
  • vehicle remote diagnosis unit which provides remote diagnosis and guidance for the vehicle based on the wireless communication network and GPS positioning
  • service content of the vehicle remote diagnosis unit includes: Vehicle remote fault analysis, vehicle maintenance management, vehicle rescue service, vehicle anti-theft service, accident alarm service and consulting service.
  • the personal access terminal includes a smart phone, a tablet computer, a notebook computer and a handheld smart terminal installed with a client APP.
  • the present invention provides a traffic flow-based smart traffic management system, It includes a traffic management center platform, a plurality of traffic management subsystems interconnected with the traffic management center platform signal, and a personal access terminal interconnected with the traffic management center platform signal, and the personal access terminal is used to query traffic information and send out request, multiple traffic management subsystems are allocated to each intersection in the city; wherein, the traffic management subsystem includes a traffic flow acquisition unit, a video acquisition unit, a traffic signal control unit, a GPS positioning unit, a traffic violation monitoring unit and a commander dispatching unit, the traffic flow collection unit is used to collect the traffic flow in all directions at the intersection, the video collection unit is used to collect real-time video information of the intersection, the traffic signal control unit is used to control the traffic signal of the intersection, the GPS The positioning unit provides the positioning function for the traffic management subsystem, the traffic violation
  • Fig. 1 is the framework diagram of a kind of intelligent traffic management system based on traffic flow of the present invention
  • Fig. 2 is a kind of structural frame diagram of the traffic management subsystem in the present invention.
  • FIG. 3 is a second structural frame diagram of the traffic management subsystem in the present invention.
  • Fig. 4 is the third structural frame diagram of the traffic management subsystem in the present invention.
  • FIG. 5 is a fourth structural frame diagram of the traffic management subsystem in the present invention.
  • Fig. 6 is the fifth structural frame diagram of the traffic management subsystem in the present invention.
  • Fig. 7 is the sixth structural frame diagram of the traffic management subsystem in the present invention.
  • Traffic management center platform 100 traffic management subsystem 200; traffic flow collection unit 210; video collection unit 220; traffic signal control unit 230; GPS positioning unit 240; ; vehicle behavior analysis unit 280 ; license plate recognition unit 290 ; traffic guidance unit 291 ; traffic information release unit 292 ;
  • references to "one embodiment,” “an embodiment,” “an example,” or “an example” mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention in at least one embodiment.
  • appearances of the phrases “in one embodiment,” “in an embodiment,” “one example,” or “an example” in various places throughout this specification are not necessarily all referring to the same embodiment or example.
  • the particular features, structures or characteristics may be combined in any suitable combination and/or subcombination in one or more embodiments or examples.
  • drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
  • Embodiment 1 referring to FIG. 1 and FIG. 2, an intelligent traffic management system based on vehicle flow, including a traffic management center platform 100, a plurality of traffic management subsystems 200 interconnected with the traffic management center platform 100, and A personal access terminal 300 interconnected with the traffic management center platform 100, the personal access terminal 300 is used to inquire about traffic information and issue requests, and a plurality of traffic management subsystems 200 are allocated to each intersection in the city;
  • the traffic management subsystem 200 includes a traffic flow collection unit 210, a video collection unit 220, a traffic signal control unit 230, a GPS positioning unit 240, a traffic violation monitoring unit 250, and a command and dispatch unit 260.
  • the traffic flow collection unit 210 is used for To collect traffic flow in all directions at the intersection
  • the video collection unit 220 is used to collect real-time video information of the intersection
  • the traffic signal control unit 230 is used to control the traffic signal of the intersection
  • the GPS positioning unit 240 is the traffic management sub-unit.
  • the system 200 provides a positioning function.
  • the traffic violation monitoring unit 250 is used to monitor traffic violation information at the intersections under its jurisdiction and collect evidence.
  • the command and dispatch unit 260 is used to coordinate and command the joint logistics, vehicle arrest, control, command and dispatch for the intersections under its jurisdiction. emergency command and dispatch command;
  • the traffic management center platform 100 is used to store and analyze the data uploaded by all the traffic management subsystems 200 , and issue intersection traffic control orders to the traffic management subsystem 200 according to the analysis and processing results.
  • the vehicle flow collection unit 210 adopts a dual beam system to detect moving or stationary vehicles in multiple lanes, collects and detects the vehicle flow and instantaneous speed of multiple lanes, the real-time average vehicle speed of the detection section, and the vehicle type, occupancy rate and vehicle head of each lane. Time distance and other traffic information parameters, and transmit these information to the back-end traffic information platform through the communication interface to provide the required traffic information for the implementation of intelligent traffic management and traffic situation analysis, and maximize the use of the traffic capacity of the existing roads; After the traffic flow data collected by the collection unit 210 is transmitted to the traffic management center platform 100 by the traffic management subsystem 200 to which it belongs, there are two login query methods of the administrator login module and the personal access login.
  • the video data collected by the video collection unit 220 can timely and accurately collect the traffic flow and traffic security situation around the monitored intersections and road sections, and provide direct information for traffic commanders, so as to make accurate judgments and timely detection of traffic accidents and traffic jams. It can also use video data to detect vehicle speed, analyze vehicle behavior, and recognize license plates.
  • the traffic signal control unit 230 appropriately adjusts and controls the traffic signals at the intersection according to the traffic flow information detected by the traffic flow collection unit 210 and the road congestion situation collected by the video collection unit 220 to improve road congestion.
  • the traffic management subsystem 200 further includes a vehicle speed detection unit 270, and the vehicle speed detection unit 270 is used for real-time detection of vehicle speeds in various directions at the intersection under its jurisdiction, and The vehicle speed information and vehicle information are transmitted to the traffic management subsystem 200 to which it belongs; the vehicle speed detection algorithm of the vehicle speed detection unit 270 adopts the virtual coil vehicle speed detection algorithm: the first step is to install the road traffic camera according to the installation position of the camera and the road conditions captured by the camera.
  • Step 4 set the appropriate vehicle speed detection virtual coil, generally set two, and the actual distance between the two virtual coils is known;
  • the second step is to determine whether the vehicle passes through the virtual coil 1, and if it passes, locate and identify the vehicle's license plate number, And record the elapsed time of the vehicle, then execute the third step, otherwise loop the second step;
  • the third step determine whether the vehicle passes through the virtual coil 2, if it passes, locate and identify the vehicle's license plate number, and record the vehicle elapsed time, and then execute Step 4, otherwise go back to Step 2;
  • Step 4 when the vehicle passes through the two virtual coils, the time it takes for the same vehicle to pass through the two virtual coils is obtained, and the actual distance between the virtual coils is known, that is, The average speed of the vehicle passing through the virtual coil can be obtained through the speed calculation formula.
  • the vehicle speed detection algorithm of the vehicle speed detection unit 270 adopts the virtual coil vehicle speed detection algorithm, which can detect the vehicle speed in real time, and also solves the problem that the virtual coil algorithm cannot detect the speed of multiple vehicles at the same time, and the vehicles in a large area or across the area. Speed detection problem.
  • the traffic management subsystem 200 further includes a vehicle behavior analysis unit 280, and the vehicle behavior analysis unit 280 is used for fatigue monitoring, behavior monitoring and driving of vehicle drivers.
  • Behavioral data analysis fatigue monitoring detects the degree of fatigue through changes in the driver's eyes and face, and provides different levels of fatigue warnings, and will not be affected by wearing sunglasses, makeup, and light inside and outside the car; behavior monitoring includes calling monitoring, smoking Behavior monitoring, driving duration monitoring, intentional occlusion monitoring, lane departure monitoring, dangerous driving monitoring and attention monitoring.
  • the traffic management subsystem 200 further includes a license plate recognition unit 290, and the license plate recognition unit 290 is used for recognizing the license plate number of the vehicle.
  • the license plate recognition unit 290 is an item of Pattern recognition technology for automatic recognition of license plate numbers and license plate colors using dynamic video or static images of vehicles. Through the collection and processing of the image, the automatic license plate recognition function is completed, and the license plate image can be automatically extracted from an image, the characters can be automatically divided, and then the characters can be recognized.
  • the traffic management subsystem 200 further includes a traffic guidance unit 291, and the traffic guidance unit 291 is configured to issue real-time traffic guidance information to the intersection under its jurisdiction to improve road traffic System, the release of traffic real-time guidance includes fixed information display, manual guidance display, automatic guidance display and parking guidance information release.
  • the fixed information display is to solidify the general display information on the display screen, which is used for the display screen and the traffic management subsystem to which it belongs.
  • the solidified information can be downloaded from the traffic management subsystem 200 to which it belongs or downloaded by an intelligent terminal, and the content and display time of the solidified information can be changed by the traffic management subsystem 200;
  • the affiliated traffic management subsystem 200 sends it to the display screen, which can be set to be displayed immediately after transmission or to be periodically transmitted and displayed by the affiliated traffic management subsystem 200 after setting;
  • the automatic guidance display is automatically generated by the guidance software according to the traffic flow collection unit 210
  • the collected real-time traffic flow data generates guidance information according to the preset calculation method, and the generated guidance information is automatically sent to the display screen for display after verification; the release of parking guidance information is automatically realized according to the parking lot data uploaded in real time The release of the remaining parking spaces in the parking lot.
  • the traffic management subsystem 200 further includes a traffic information publishing unit 292, and the traffic information publishing unit 292 is configured to transmit information messages to guide and control the traffic of traffic participants
  • the traffic information publishing unit 292 obtains real-time traffic information data through the data access interface provided by the traffic management subsystem 200 to which it belongs; or reads the requested service and route guidance information according to the request sent by the personal access terminal 300
  • the traffic information data includes real-time vehicle condition information, parking lot dynamic information, traffic accident information, traffic control information, road construction information and weather conditions, etc.
  • the traffic information release unit 292 includes an information acquisition module, an information coding module, information communication module and control management module.
  • the traffic management subsystem 200 further includes a vehicle remote diagnosis unit 293, and the vehicle remote diagnosis unit 293 is based on the wireless communication network and GPS positioning to provide remote control for the vehicle.
  • the service content of the vehicle remote diagnosis unit 293 includes vehicle remote fault analysis, vehicle maintenance management, vehicle rescue service, vehicle anti-theft service, accident alarm service and consulting service; the vehicle remote diagnosis unit 293 is connected to the driving The computer collects the information of the vehicle and sends it to the control management module of the vehicle remote diagnosis unit 293.
  • the control management module analyzes and judges the running status of the vehicle according to the engine temperature, exhaust emission, tire pressure and fuel data of the vehicle, and It is sent to the driver in time; and when the vehicle remote diagnosis unit 293 detects that the vehicle is in an emergency, the vehicle remote diagnosis unit 293 can control the vehicle through the associated traffic management subsystem 200 to relieve the emergency;
  • the authenticated personal access terminal 300 can send a request for prohibiting the vehicle from starting to the traffic management center platform 100, and the traffic management center platform 100 determines that the request for prohibiting the starting of the vehicle is legitimate and then according to the traffic situation where the stolen vehicle is located.
  • the management subsystem 200 sends a request for prohibiting the starting of the vehicle to the vehicle remote diagnosis unit 293 under its jurisdiction, and the remote vehicle diagnosis unit 293 controls the stolen vehicle according to the request for prohibiting the starting of the vehicle.
  • the personal access terminal 300 includes a smart phone, a tablet computer, a notebook computer and a handheld smart terminal installed with a client APP.
  • the present invention not only has more complete functions, but also provides a personal access port, which greatly improves the efficient and convenient experience brought by intelligent transportation.
  • embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un système de gestion de trafic intelligent basé sur un flux de trafic, le système comprenant une plate-forme centrale de gestion de trafic (100), une pluralité de sous-systèmes de gestion de trafic (200) en interconnexion de signaux avec la plate-forme centrale de gestion de trafic (100), et une borne d'accès personnel (300) en interconnexion de signaux avec la plate-forme centrale de gestion de trafic (100), la borne d'accès personnel (300) étant utilisée pour interroger des informations de trafic et envoyer une demande ; et la pluralité de sous-systèmes de gestion de trafic (200) étant attribués à chaque intersection dans une ville, et chaque sous-système de gestion de trafic (200) comprenant une unité de collecte de flux de trafic (210), une unité de collecte de vidéo (220), une unité de commande de signal de trafic (230), une unité de positionnement GPS (240), une unité de surveillance de violation de trafic (250) et une unité de commande et de répartition (260). Le système de gestion de trafic intelligent basé sur un flux de trafic a non seulement une plage de fonctions plus complète, mais est également pourvu d'un port d'accès personnel, ce qui permet d'améliorer considérablement l'expérience efficace et commode apportée par un trafic intelligent.
PCT/CN2020/137205 2020-12-15 2020-12-17 Système de gestion de trafic intelligent basé sur un flux de trafic WO2022126485A1 (fr)

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CN202011473936.8 2020-12-15
CN202011473936.8A CN112669598A (zh) 2020-12-15 2020-12-15 一种基于车流量的智慧交通管理系统

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CN117292551A (zh) * 2023-11-27 2023-12-26 辽宁邮电规划设计院有限公司 基于物联网的城市交通态势调节系统与方法

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