CN113223307A - City induction rod system and implementation method thereof - Google Patents
City induction rod system and implementation method thereof Download PDFInfo
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- CN113223307A CN113223307A CN202011354239.0A CN202011354239A CN113223307A CN 113223307 A CN113223307 A CN 113223307A CN 202011354239 A CN202011354239 A CN 202011354239A CN 113223307 A CN113223307 A CN 113223307A
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- G08G1/00—Traffic control systems for road vehicles
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- G—PHYSICS
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- G—PHYSICS
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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Abstract
The invention provides an urban induction rod system and an implementation method thereof, wherein the induction rod system comprises a sensing terminal, a control terminal, a display terminal and a communication terminal, all terminals are communicated through a communication circuit or the communication terminal, and the sensing terminal and the display terminal are integrally arranged on a rod body of an induction rod; urban traffic control elements are captured in a self-adaptive sensing targeting mode, dynamic traffic guidance and parking management are achieved through edge and cloud cooperative operation and intelligent scheduling, and an efficient and convenient solution is provided for urban traffic resource reuse and comprehensive traffic control.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to an urban induction rod system and an implementation method thereof.
Background
In the process of urban modernization, a plurality of urban problems are exposed, for example, the problem of 'driving difficulty' expressed in dynamic traffic and the problem of 'parking difficulty' expressed in static traffic, and the urban traffic comprehensive treatment needs to be assisted by technologies such as internet of things, edge computing and cloud computing. The modes commonly adopted for traffic jam treatment comprise technologies and management measures such as adaptive signal control, traffic guidance screens, tidal lanes and the like, but the equipment arrangement cost of the measures is higher, the support functions and scenes are fewer, and the coordination quantity among systems is large; for parking control, the parking space is mostly constructed to break the bureau, but the cost is higher, the supply is not in demand and the urban land development is not facilitated. Therefore, a comprehensive management scheme with intensive functions and multiple scenes is urgently needed, current lane and parking space resources are reasonably utilized through technical means and data resources, passing and parking access efficiency is improved, repeated construction is reduced, and the problems of traffic jam, parking difficulty and the like are solved.
Disclosure of Invention
The invention aims to provide an urban guide rod system and an implementation method thereof, which can realize dynamic traffic guidance and parking management by adaptively sensing and targeting urban traffic control elements, edge and cloud cooperative operation and intelligent scheduling and provide an efficient and convenient solution for urban traffic resource reuse and comprehensive traffic control.
In order to achieve the purpose, the invention provides an urban induction bar system and an implementation method thereof, which can realize monitoring, feature extraction, structural processing and element coupling of traffic elements such as pictures, sound, illumination, space, state, position, traffic flow and the like, and realize traffic information grouping through bar collapse communication; through the edge computing AI (intelligent intelligence) server and the cloud comprehensive control platform cooperative operation, the multisource heterogeneous data fusion and analysis can be carried out, an optimal traffic guidance scheme is generated, and finally traffic guidance, parking guidance and related information release are carried out through a laser projection module and a small program module of a guidance rod parking space platform, wherein the method comprises the following two aspects:
in one aspect, the invention provides an urban guidance pole system, where the guidance pole system includes a sensing terminal, a control terminal, a display terminal, and a communication terminal, where the terminals communicate with each other through a communication circuit or a communication terminal, the sensing terminal and the display terminal are integrated and arranged on a pole body of the guidance pole, and the pole body of the guidance pole may be a newly-built L-shaped upright pole or an original illuminating lamp, traffic light, or lane portal, where:
the perception terminal is used for realizing data acquisition of urban traffic all-element information;
the control terminal is used for realizing real-time processing and self-adaptive sensing of data;
the display terminal is used for executing the traffic guidance scheme output by the control terminal;
the communication terminal is used for realizing communication interaction among terminals of the same induction rod, communication interaction among a plurality of induction rods and regional self-adaptive scheduling.
In the above technical solution, the sensing terminal is in communication interaction with the control terminal through RSU (road side unit) devices, the sensing terminal includes a panoramic sensing module, a sound source identification module, an illumination sensing module and a radar sensing module, the modules are connected through a communication circuit and integrated on the rod body of the induction rod, and the combined sensing among the modules is cooperatively realized through MEC (Multi-Access Edge Computing).
Furthermore, the panoramic sensing module comprises a panoramic camera, and the real-time distortion correction technology and the panoramic splicing algorithm are combined to realize the acquisition of full-view video information in a scene range, so that the equipment arrangement cost is reduced, and the workload of image splicing and data fusion is reduced; the sound source identification module adopts a remote multi-sound-source accurate identification sonar based on a microphone array to realize real-time sound information acquisition, and combines a panoramic camera to realize sound source identification and snapshot through a sound source positioning algorithm based on the microphone array; the illumination sensing module comprises a photosensitive sensor and is used for sensing the ambient illumination and adaptively adjusting a laser projection mode according to the ambient illumination, energy conservation and consumption reduction are realized while clear projection is ensured, the illumination sensing module can also be combined with a panoramic sensing module, is communicated with a current street lamp through a communication circuit, adjusts the illumination in real time according to the ambient light and road condition information, and realizes an intelligent illumination function; the radar sensing module adopts a millimeter wave radar to sense space, state and positioning, the millimeter wave radar is composed of a 4D high-definition radar based on single-radar and multi-radar area track tracking technology, the shape, size and position of a target in a sensing range can be identified, three-dimensional point cloud is generated, the problems that a panoramic camera is difficult to identify information under the conditions of weak light and rain and snow weather are solved, and a complementary monitoring network is formed with the panoramic camera after networking. In addition, the radar sensing module is combined with the display terminal, the prior lane information is combined, the lane line and the road side line are detected, the inverse perspective transformation is carried out, the transverse lane level positioning of the vehicle can be realized, the lane level traffic flow is counted, meanwhile, the communication with a vehicle carrying a PC5 module can be realized, the accurate positioning of the vehicle is assisted, and the automatic driving is realized.
Furthermore, the modules in the sensing terminal are connected through a communication circuit, and the MEC is used for realizing combined sensing among the modules in a cooperative manner, so that the modules can be sensed independently, and combined sensing and cross-rod group sensing can be carried out according to the actual environment. The combined sensing comprises a sound source mode formed by combining a panoramic sensing module and a sound source sensing module, a flow monitoring mode formed by combining the panoramic sensing module and a radar sensing module, a photosensitive mode formed by combining an illumination sensing module and the panoramic sensing module and the like so as to deal with complex and changeable traffic scenes.
In the above technical solution, the control terminal is in communication interaction with the display terminal through RSU devices and a pon (passive Optical network) Optical fiber communication module, and the control terminal includes an edge computing module and a cloud integrated management and control platform, where the edge computing module adopts an edge computing AI server and is arranged near an induction rod, so as to respond quickly, implement low-latency information processing and traffic induction; the edge computing module and the cloud comprehensive control platform realize cooperative operation and scheduling of an edge end and a cloud through the PON optical fiber communication module, and for scenes with large data volume and low time delay requirements, the edge computing module preprocesses data and forwards the data to the cloud comprehensive control platform, and the cloud comprehensive control platform performs cloud computing processing, so that a layered cooperative control mode of edge computing and cloud computing is formed, and computing power is reasonably distributed to meet different scene requirements.
In the technical scheme, the display terminal comprises a laser projection module and a small program module of an induction rod parking space platform, wherein the laser projection module adopts an MEMS (micro electro Mechanical systems) micro laser module, has the characteristics of low power consumption, wide color gamut, high contrast and high resolution, and can realize traffic induction and parking guidance functions in different environments; the induction rod parking space platform small program module takes the two-dimensional code on the induction rod as an entrance through scanning, issues information such as traffic induction and parking space management through the small program platform, opens a resident suggestion feedback window at the same time, and collects resident travel suggestions and improves through the small program.
In the above technical solution, the communication terminal includes an RSU device and a PON fiber communication module, where the RSU device supports a UUAnd PC5 communication mode, at 5.9GHZFrequency band and vehicle communication interaction, via UUThe air interface (cellular communication interface) and the PC5 air interface (direct connection communication interface) are communicated with the MEC, other guiding rods and vehicles, and the MEC performs information interaction with the cloud comprehensive control platform through the PON optical fiber communication module; the PON optical fiber communication module ensures seamless butt joint between an edge computing AI server of the control terminal and a cloud comprehensive control platform, and realizes a layered collaborative management mechanism of edge computing and cloud computing; the PON optical fiber communication module is connected with an optical fiber trunk line through ONU (optical network unit) and OLT (optical line terminal) equipment to realize communication between the inducing rod and the cloud comprehensive control platform. In addition, an interface is reserved at the top of the rod body of the induction rod, 5G micro base station construction is supported, and communication speed and capacity are improvedAnd the reconstruction cost of the induction rod is reduced while the quality is improved.
In the technical scheme, the sensing terminal and the display terminal are integrated on a newly-built L-shaped upright post or a lane portal frame, and can also be flexibly arranged by combining a current street lamp and a monitoring upright post, the RSU equipment is arranged beside the sensing terminal and supports real-time communication of sensing data, the edge computing AI server is arranged in a machine room or a base station machine room near the range of the induction rod group, the data transmission distance is compressed, low-delay response is realized, one edge computing AI server controls a plurality of induction rods, and the self-management of the induction rod group areas is realized through the cluster management.
Among the above-mentioned technical scheme, each module at perception terminal and display terminal takes the modularized design principle, sets up through buckle formula connection mode on the body of rod of guide pole to can adjust module mounted position according to actual scene demand, wherein every pole of display terminal arranges, and other perception terminal's component module can arrange according to actual perception scope interval.
In the technical scheme, the sound source identification module, the panoramic perception module and the edge calculation AI server are all designed in an embedded mode, the response speed is high, the expansibility is strong, and the perception and control strategy can be adjusted according to actual needs.
The technical scheme also comprises a plurality of induction rod systems, and the plurality of induction rod systems are communicated through the RUS equipment and the PON optical fiber communication module, so that information grouping, cross-rod linkage and expansion of the service range and scene of the induction rods are realized.
Meanwhile, the invention also provides a realization method of the urban induction bar system, which comprises the following steps:
s1, acquiring data of the urban traffic all-element information through the sensing terminal, and identifying elements of the scene information in the sensing range in real time; the urban traffic full elements comprise pictures, sounds, illumination, space, state, positions, traffic flow and the like;
s2, transmitting the data collected in real time to a control terminal through RSU equipment, wherein the control terminal screens, fuses, extracts features and structures the data, adjusts a perception mode in real time according to a scene, and obtains and outputs an optimal traffic guidance scheme;
the adjusting the perception mode in real time for the scene comprises the following contents:
s21, sound source mode: when the environment is noisy or emergency distress call and whistle phenomena occur, the sound source mode is automatically switched through the control terminal, and the mode is that the combination action of the panoramic sensing module and the sound source sensing module realizes whistle snapshot and security distress call response;
s22, flow monitoring mode: when the traffic of a lane in a certain period needs to be counted, automatically switching a traffic monitoring mode through a control terminal, wherein the mode is that a panoramic sensing module and a radar sensing module are combined, and the traffic flow counting at the lane level is realized by combining positioning information of an induction rod;
s23, photosensitive mode: when the light environment changes greatly, the photosensitive mode is automatically switched through the control terminal, and the mode is that the illumination sensing module and the panoramic sensing module are combined to realize intelligent illumination and the self-adaptive adjustment of the laser of the induction rod.
In addition, when regional dispatching is required, the induced rod can communicate through the RUS and the PON optical fibers, track across the border, and sense the grouping.
S3, the edge computing module synchronously inquires data of the cloud comprehensive control platform, data fusion analysis is carried out by combining the data collected in real time, the analyzed data are pushed to the cloud comprehensive control platform to be operated to obtain an optimal traffic guidance scheme, and finally the optimal traffic guidance scheme is output in a mode of cooperation of the cloud comprehensive control platform and the edge computing module;
the specific process for obtaining the optimal traffic guidance scheme comprises the following steps:
the edge computing module synchronously inquires information such as traffic and weather of the cloud comprehensive control platform, data fusion analysis is carried out by combining real-time collected data, and when the data volume of a corresponding scene is not large but the requirement on time delay is higher (less than or equal to 30ms), the edge computing module can quickly respond to braking; when the scene data amount is too large and the requirement on the time delay is not high (> 30ms), the edge computing module can communicate with the background through the PON optical fiber, pushes the processed data to the cloud comprehensive control platform for operation and analysis, and obtains and outputs an optimal traffic guidance scheme in a terminal edge cloud cooperation mode, wherein the traffic guidance scheme comprises two aspects of traffic guidance and parking guidance.
S4, pushing the optimal traffic guidance scheme output by the control terminal to a display terminal through RSU equipment and a PON optical fiber communication module, and executing the traffic guidance scheme through the display terminal;
according to a traffic guidance scheme output by a control terminal in real time, information projection such as traffic identification, parking guidance signs and the like is carried out through a laser projector, so that real-time guidance is realized; in addition, the laser projection module is combined with the camera sensing function of the panoramic camera, so that the identification information can be targeted, and meanwhile, the small program module of the guide rod parking place platform is induced to synchronously push traffic guidance information and parking place management information in real time to assist in finishing guidance instructions;
s5, synchronously uploading the data collected in real time and the traffic guidance overall process information to the cloud comprehensive control platform through the PON optical fiber communication module, realizing synchronous synchronization of all terminal information, carrying out data processing through the edge calculation module and the cloud comprehensive control platform, realizing multi-source heterogeneous data fusion, and realizing data change through a data API form.
Compared with the traditional traffic guidance and intelligent parking equipment, the city guidance rod system and the implementation method thereof provided by the invention have the advantages of strong technical innovation, higher integration level, more comprehensive functions, self-adaption, high intelligent degree and wide application scene, are organic combination and important innovation in the city comprehensive treatment fields of traffic, security, intelligent parking and the like, and have the following advantages:
1. based on the existing infrastructure resources, the invention combines information technologies such as Internet of things and edge calculation, realizes traffic guidance and parking guidance comprehensive treatment, relieves the current traffic situation of dynamic 'driving difficulty' and static 'parking difficulty', can improve the traffic passing and vehicle access efficiency, realizes management promotion through the information technology, and solves the existing problems of traffic with high efficiency and low cost;
2. the invention adopts modularized and integrated design, and the terminal and the edge end adopt embedded design, so that the function and the control strategy can be customized according to the application scene, the scene adaptability is strong, and the application space is wide; in addition, the rod body of the induction rod adopted by the invention can also be used as a public rod to share information and rod positions for city monitoring and intelligent networked automobile road cooperation scenes, the expansibility is strong, and the multi-rod forest establishment and repeated construction are avoided;
3. the perception terminal can realize the monitoring and data coupling of all-element information of traffic road conditions, unify the data format while unifying the information entrance, and reduce the structuring processing and data fusion cost of multi-source heterogeneous data; furthermore, the sensing terminal can independently acquire data, can adaptively switch different sensing modes such as a sound source mode, a flow monitoring mode, a photosensitive mode and the like according to an actual scene, realizes combined sensing and grouping sensing, breaks through a traditional independent sensing mode information isolated island, expands a sensing scene, and improves sensing precision, breadth and fine granularity;
4. according to the control terminal, edge computing and cloud computing layered cooperative control are realized through cooperative operation of the edge computing AI server and the cloud comprehensive control platform, computing resources are reasonably distributed, meanwhile, ubiquitous scenes such as mass data access, low delay and high bandwidth are considered, and the computing utilization rate is improved; meanwhile, by means of a cloud cooperation mechanism, most data are processed at the edge end, and the storage and processing cost of cloud massive data is saved;
5. in a traffic guidance scene, the laser projection module can dynamically project information in real time, and the traffic guidance system can cope with complex and changeable traffic environments. For example, the rapid switching of tidal lanes, gratings and signs can quickly realize the switching of traffic organization modes; for example, when the vehicle is driven in an environment with weak ambient light, the laser projection module can replace a road marking to conduct night traffic guidance; and combine the inductive pole parking stall platform applet real-time information propelling movement and car road cooperation, the inductive pole realizes that high-efficient low-cost traffic is induced, and the traffic of tradition is induced the mode and is had huge promotion and optimization.
6. In a parking guidance scene, the current situation infrastructure utilization rate is excavated by dynamically scheduling the parking stall lanes and exchanging time for space, meanwhile, accurate parking of a vehicle is assisted by perception interaction, services such as parking stall reservation and parking stall management are pushed out by a small program of a parking stall platform of an induction rod and a laser projection module, the lane parking stall utilization rate and resident trip and parking experience are improved, and intelligent trip and intelligent parking are realized;
7. the display terminal can adjust projection content according to scenes, and simultaneously realizes dynamic adjustment of laser illumination by combining the illumination sensing module, thereby ensuring projection definition and saving terminal resource consumption;
8. according to the invention, through unified information entry and end edge cloud collaborative operation scheduling, the data structuring and fusion degree is high, and through accessing a cloud management and control platform data center, the data is provided to the demander in a data API form, so that digital asset representation is realized.
Drawings
FIG. 1 is a block diagram of a city induction pole system of the present invention;
FIG. 2 is a schematic structural view of a newly built rod body of the urban induction rod according to the invention;
FIG. 3 is a schematic structural view of the urban air guide pole according to the present invention, wherein the pole body is modified based on a lighting lamp pole;
FIG. 4 is a schematic structural view of the urban air guide pole according to the present invention, based on the transformation of a traffic light pole;
FIG. 5 is a schematic structural view of a rod body of the urban air guide rod based on lane portal reconstruction;
FIG. 6 is a system topology of the city leader of the present invention;
FIG. 7 is a flow chart of an implementation method of the city leader of the present invention;
FIG. 8 is a diagram of an application scenario of the city leader of the present invention;
FIG. 9 is a diagram of another application scenario of the city leader of the present invention.
Shown in the figure: 1-perception terminal, 101-panoramic perception module, 102-sound source identification module, 103-illumination perception module, 104-radar perception module, 2-communication terminal, 201-RSU equipment, 202-PON optical fiber communication module, 3-control terminal, 301-edge calculation module, 302-cloud comprehensive management and control platform, 4-display terminal, 401-laser projection module, 402-small program module (induction rod parking space platform small program), 5-external interaction terminal, 501-other city induction rod, 502-traffic facility, 503-vehicle and 6-induction rod body.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
As shown in figure 1, the invention provides an urban guidance pole system which mainly comprises four terminals, namely a perception terminal 1, a communication terminal 2, a control terminal 3 and a display terminal 4, wherein the perception terminal 1, the control terminal 3 and the display terminal 4 are in communication interaction through the communication terminal 2, the terminals work cooperatively to complete data acquisition, data processing and traffic guidance and parking guidance of urban traffic all-element information, and can further communicate with an external interaction terminal 5 through the communication terminal 2 to realize mutual and group communication among a plurality of guidance poles and traffic guidance of cooperation of the guidance poles and multilateral terminals.
Specifically, the sensing terminal 1 includes but is not limited to including panorama sensing module 101, sound source identification module 102, illumination sensing module 103 and radar sensing module 104, and connect through communication circuit between each module, and integrated installation is in on the body of rod 6 of induction pole, can independently carry out the perception instruction through MEC cooperation between each module, and the sensing of group between the perception terminal of combination perception and other induction poles also can form sound source mode, photosensitive mode, flow monitoring mode etc. in order to deal with different scene demands to can high-efficiently gather the full element information of urban traffic.
Furthermore, the panoramic sensing module 101 adopts a panoramic camera in combination with a real-time distortion correction technology and a panoramic stitching algorithm to acquire full-view video information within a scene range, so that the equipment arrangement cost is reduced, and the workload of image stitching and data fusion is reduced; the sound source identification module 102 adopts a multi-sound source positioning sonar based on FPGA embedded design, can realize remote and multi-sound source positioning, collects sound information in real time, can realize sound source identification and picture snapshot by combining a panoramic camera through a sound positioning algorithm, quickly locks a sound source and responds, and has prominent application in scenes such as sound security, whistle snapshot and the like; the illumination sensing module 103 adopts a photosensitive sensor to realize real-time monitoring of illumination intensity and flux, adaptively adjusts a light projection mode according to ambient illumination intensity, drives realization of adaptive adjustment of projection and illumination power, reduces energy consumption while ensuring projection resolution, can also be combined with the panoramic sensing module 101 to communicate with a current street lamp through a communication circuit, adjusts the illumination intensity in real time according to ambient light and road condition information, and can realize an intelligent illumination function; the radar sensing module 104 adopts a 4D high-definition radar of a single-radar area track tracking technology and a multi-radar area track tracking technology to realize information sensing of target states, sizes, positioning and the like in a sensing area, forms three-dimensional point cloud, overcomes the problems that a panoramic camera is weak in light and difficult to identify information in rainy and snowy weather and the like, is networked with the panoramic sensing module 101, and realizes a complementary monitoring network.
Specifically, the communication terminal 2 includes an RSU device 201 and a PON fiber communication module 202, where the RSU device 201 supports UUAnd PC5 communication mode, which is used to realize the communication between the sensing terminal 1 and the control terminal 3, between the guidance pole and the traffic facilities 502 such as traffic lights and guidance screens, between the guidance pole and the vehicles 503 such as cars and electric cars, and between the guidance pole and other guidance poles 501; the PON optical fiber communication module 202 is connected to an optical fiber trunk line through an ONU and an OLT device to implement communication between the inducing rod and the cloud integrated control platform 302 of the control terminal 3; in addition, reserve the interface at the induction pole top, support the little basic station construction of 5G, when promoting communication speed, capacity and quality, reduce the induction pole body of rod and construct the cost again.
Specifically, the control terminal 3 includes an edge computing module 301 and a cloud integrated control platform 302, the edge computing module 301 employs an edge computing AI server to perform edge data processing, adaptive sensing, traffic guidance and parking guidance, and low-latency response is realized, if a scene with complex road conditions and a large data amount is responded, the edge computing module 301 forwards preprocessed data to the cloud integrated control platform 302 to perform cloud computing, and most data are digested at the edge through a layered collaborative control mode, so that computing power is reasonably distributed, and meanwhile, cloud data storage and computing cost are greatly saved.
Specifically, display terminal 4 includes laser projection module 401 and induction bar parking stall platform applet module 402, laser projection module 401 adopts laser projection display technology (LDT) to carry out the adjustment of dynamic sign marking, realizes tidal lane induction and parking stall mark, parking guidance etc. induction bar parking stall platform applet module 402 realizes functions such as information transceiver, parking stall management.
Specifically, the external interactive terminal 5 includes other inducing rods 501, a transportation facility 502 and a transportation means 503, wherein the transportation facility 502 includes a traffic light, an inducing screen, and the like, the transportation means 503 includes an automobile, an electric vehicle, and the like, the inducing rod system implements real-time interaction of collected information with the edge computing module 301 through the RSU device 201 through the sensing terminal 1, drives the display terminal 4 to perform traffic induction, and simultaneously communicates with the external interactive terminal 5 through the communication terminal 2, thereby realizing sensing sharing and vehicle-road cooperation.
Specifically, the RSU device 201 and the display terminal 4 in the sensing terminal 1 and the communication terminal 2 are all connected and installed on the rod body 6 of the guiding rod through a buckle or a slide way, and the position can be adjusted according to actual requirements. Wherein, each pole of the display terminal 4 is arranged, the modules of the sensing terminal 1 can be arranged at intervals according to the actual sensing range and are interconnected through the RSU device 201 or the communication circuit, and the edge calculation module 301 in the control terminal 3 is arranged near the induction pole group area for quick response. Furthermore, one edge control module 301 manages and controls a plurality of guidance poles, and the clustering management and control realizes pole collapse region information sharing and unified intelligent scheduling, and reduces the cost of direct terminal deployment computing power while ensuring stability and delay requirements.
In addition, the pole body 6 integrally installed in the induction pole system of the present invention may be a newly-built L-shaped vertical pole, or may be an original illuminating lamp, traffic light or lane portal, and the specific structures thereof are as shown in fig. 2, a structural schematic diagram based on the modification of an illuminating lamp pole shown in fig. 3, a structural schematic diagram based on the modification of a traffic lamp pole shown in fig. 4, and a structural schematic diagram based on the modification of a lane portal shown in fig. 5.
Meanwhile, as shown in fig. 6 to 7, the invention also provides an implementation method of the urban induction bar system, which comprises the following steps:
1. data acquisition is carried out on all element information of urban traffic through a sensing terminal 1, and real-time identification of elements of scene information in a sensing range is realized;
specifically, the urban traffic full elements comprise elements such as pictures, sounds, illumination, space, states, positions, traffic flow and the like; correspondingly, the panoramic sensing module 101 is used for collecting picture, space, state and position elements, the sound source sensing module 102 is used for collecting sound elements, the illumination sensing module 103 is used for collecting illumination, and each module can independently perform data collection or can be combined to perform cooperative work.
2. Transmitting the data acquired in real time to an edge computing AI server 301 of the control terminal 3 through the RSU device 201, wherein the edge computing AI server 301 performs screening, fusion, feature extraction and structuring on the data, and adjusts a perception mode in real time according to a scene;
specifically, the adjusting the perception mode in real time for the scene includes the following:
21. sound source mode: when the environment is noisy or emergency call, whistle and the like occur, the sound source mode is automatically switched, and at the moment, the panoramic sensing module 101 and the sound source sensing module 102 are combined to realize whistle snapshot and security call response;
22. and (3) flow monitoring mode: when the lane flow in a certain period needs to be counted, switching the flow monitoring mode, combining the panoramic sensing module 101 and the radar sensing module 104, and combining the positioning information of the induction rod to realize the counting of the lane-level traffic flow;
23. photosensitive mode: when the illumination environment changes greatly, the photosensitive mode is automatically switched, and at the moment, the illumination sensing module 103 and the panoramic sensing module 101 are combined to realize intelligent illumination and the self-adaptive adjustment of the laser of the induction rod.
In addition, when regional scheduling is needed, the guidance pole can realize cross-border tracking and group sensing with other guidance poles 501 through the RSU device 201 and the PON fiber communication 202.
3. The edge computing module synchronously inquires data of the cloud comprehensive control platform, data fusion analysis is carried out by combining the data collected in real time, the analyzed data are pushed to the cloud comprehensive control platform to be operated to obtain an optimal traffic guidance scheme, and finally the optimal traffic guidance scheme is output in a mode of cooperation of the cloud comprehensive control platform and the edge computing module;
specifically, the edge computing module 301 may query information such as traffic and weather on the cloud integrated control platform 302 synchronously, and perform data fusion analysis by combining data collected in real time: when the amount of data of the corresponding scene is not large but the requirement on the time delay is higher (less than or equal to 30ms), the edge calculation module 301 can quickly respond to the braking and control the sensing terminal 1 and the display terminal 4 to work; when the amount of data corresponding to a scene is too large and the requirement on the time delay is not high (> 30ms), the edge computing module 301 may communicate with the cloud integrated control platform 302 through the PON optical fiber communication module 202, push the processed data to the cloud integrated control platform 302 for operation and analysis, and obtain and output an optimal traffic guidance scheme through an end-edge cooperation manner.
4. The optimal traffic guidance scheme output by the control terminal 3 is pushed to the display terminal 4 through the RSU device 201 and the PON fiber communication module 202, the display terminal 4 pushes information through the laser projection module 401 and the guidance rod parking space platform applet module 402, and executes the optimal traffic guidance scheme, which includes: the traffic guidance and parking guidance system comprises two parts, specifically:
when the traffic guidance scheme is executed in the peak traffic period, the laser projection module 401 automatically projects traffic signs to form grating separation zones, and the traffic guidance of the tidal lanes is realized. Meanwhile, the induction rod is communicated with the traffic facility 502 through the RSU equipment 201, traffic induction information is synchronously displayed on the traffic facility 502 and can be communicated with a traffic tool 503 carrying a PC5 communication module, and lane change and induction information are issued in real time by combining the information receiving and sending functions of the induction rod parking space platform small program module 402, and more efficient and timely traffic dispersion is realized by matching with a tidal lane.
When the vehicle is stopped in the parking area, the induction rod sensing terminal 1 can interact with information of a vehicle 503 (automobile) carrying a PC5 communication module through the RSU equipment 201 to assist the vehicle to accurately park; after the vehicle finishes the parking action, the induction rod implements sensing information according to the sensing terminal 1, confirms that the parking space is occupied, the projection of the parking space disappears, and if the vehicle runs out midway and the parking space is empty, the sensing terminal 1 confirms that the parking space is projected again, and the vehicle is opened for parking. The parking stall change information is synchronized in real time to the high in the clouds through communication terminal 2 and is synthesized management and control platform 302 and parking stall platform applet module 402, and parking stall platform applet supports and has the linkage of parking area information now, and the sharing is parkked, can further improve city parking stall turnover, alleviates newly-built pressure.
In addition, the car owner can enter the small program of the parking space platform of the guide rod through code scanning, and an intentional parking area is set according to the address to reserve the parking space; after the reservation is successful, the induction rod parking space platform small program module 402 can timely push the parking space information, and in the parking open time, the laser projection module 401 automatically projects the information, including the license plate number and the reservation time of the successful reservation.
5. The PON optical fiber communication module 202 synchronously uploads the data collected in real time and traffic guidance overall process information to the cloud comprehensive control platform 302, so that the information of all terminals is synchronous at the same time, the edge calculation module 301 and the cloud comprehensive control platform 302 are used for data processing, multi-source heterogeneous data fusion is achieved, high-quality data are accessed to a data center, and data change is achieved in a data API form.
In summary, the city guidance pole system and the implementation method thereof provided by the present invention can complete the whole traffic guidance flow of guidance pole information acquisition, information processing, information interaction and information issue, command execution, data change, etc., and the city guidance pole system described above implements the path, i.e., can be executed alone, or can form a regional adaptive traffic guidance cluster through guidance pole communication, group sensing, unified scheduling, and the specific application scenario is shown in the application scenarios of fig. 8-9.
In addition, the panoramic sensing module 101, the sound source identification module 102, the edge calculation module 201 and the like of the guidance rod all adopt an expandable embedded system development mode, algorithms and architectures can be changed by programming preset conditions, and sensing and control strategies can be adjusted according to actual requirements.
The parts not described in the specification are prior art or common general knowledge. The present embodiments are to be considered as illustrative and not restrictive, and all changes coming within the meaning and equivalency range of the appended claims are intended to be embraced therein.
Claims (10)
1. An urban induction bar system, characterized in that: the induction rod system comprises a sensing terminal, a control terminal, a display terminal and a communication terminal, wherein the terminals are communicated with each other through a communication circuit or a communication terminal, the sensing terminal and the display terminal are integrally arranged on a rod body of the induction rod, and the induction rod system comprises:
the perception terminal is used for realizing data acquisition of urban traffic all-element information;
the control terminal is used for realizing real-time processing of data and self-adaptive adjustment of a perception mode;
the display terminal is used for executing the traffic guidance scheme output by the control terminal;
the communication terminal is used for realizing communication interaction among terminals of the same induction rod, communication interaction among a plurality of induction rods and regional self-adaptive scheduling.
2. A city induction pole system according to claim 1, wherein: the sensing terminal is in communication interaction with the control terminal through RSU equipment, the sensing terminal comprises a panoramic sensing module, a sound source identification module, an illumination sensing module and a radar sensing module, all the modules are connected through a communication circuit, and combined sensing among all the modules is achieved through MEC cooperation.
3. A city induction pole system according to claim 2, wherein: the panoramic sensing module comprises a panoramic camera and is used for acquiring full-view video information in a scene range; the sound source identification module adopts a microphone array-based remote multi-sound-source accurate sonar identification to realize real-time sound information acquisition; the illumination sensing module comprises a photosensitive sensor and is used for realizing ambient illumination sensing and adaptively adjusting a laser projection mode according to the ambient illumination; the radar sensing module adopts a millimeter wave radar to sense space, state and positioning.
4. A city induction pole system according to claim 1, wherein: the control terminal is in communication interaction with the display terminal through the RSU equipment and the PON optical fiber communication module, the control terminal comprises an edge computing module and a cloud integrated control platform, and the edge computing module and the cloud integrated control platform achieve collaborative operation and scheduling of an edge end and a cloud end through the PON optical fiber communication module.
5. A city induction pole system according to claim 1, wherein: the display terminal comprises a laser projection module and a small program module of an induction rod parking space platform, and is used for displaying and realizing traffic induction and information publishing.
6. A city induction pole system according to claim 1, wherein: the communication terminal comprises RSU equipment and a PON optical fiber communication module, the RSU equipment is used for achieving communication with the MEC, other guiding rods and vehicles, and the PON optical fiber communication module is used for achieving information interaction between the edge computing module and the cloud comprehensive control platform.
7. A city induction pole system according to claim 1, wherein: the system comprises a plurality of induction rod systems, wherein the induction rod systems are communicated through RUS equipment and a PON optical fiber communication module, so that information groups of the induction rods, cross-rod linkage and expansion of the service range and scenes of the induction rods are realized.
8. A realization method of a city induction rod system is characterized in that: the method comprises the following steps:
s1, acquiring data of the urban traffic all-factor information through the sensing terminal, and realizing real-time identification of scene information factors in the sensing range;
s2, transmitting the data collected in real time to a control terminal through RUS equipment, wherein the control terminal screens, fuses, extracts features and structures the data and adjusts a self-adaptive perception mode in real time according to a scene;
s3, the edge computing module synchronously inquires data of the cloud comprehensive control platform, data fusion analysis is carried out by combining the data collected in real time, the analyzed data are pushed to the cloud comprehensive control platform to be operated to obtain an optimal traffic guidance scheme, and finally the optimal traffic guidance scheme is output in a mode of cooperation of the cloud comprehensive control platform and the edge computing module;
s4, pushing the optimal traffic guidance scheme output by the control terminal to a display terminal through RSU equipment and a PON optical fiber communication module, and executing the traffic guidance scheme through the display terminal;
s5, synchronously uploading the data collected in real time and the traffic guidance overall process information to the cloud comprehensive control platform through the PON optical fiber communication module, realizing synchronous synchronization of all terminal information, carrying out data processing through the edge calculation module and the cloud comprehensive control platform, realizing multi-source heterogeneous data fusion, and realizing data change through a data API form.
9. The method of claim 8, wherein the city induction rod system comprises: the adjusting the perception mode for the scene in real time in the step S2 includes the following steps:
s21, sound source mode: when the environment is noisy or emergency distress call and whistle phenomena occur, the sound source mode is automatically switched through the control terminal, and the mode is that the combination action of the panoramic sensing module and the sound source sensing module realizes whistle snapshot and security distress call response;
s22, flow monitoring mode: when the traffic of a lane in a certain period needs to be counted, automatically switching a traffic monitoring mode through a control terminal, wherein the mode is that a panoramic sensing module and a radar sensing module are combined, and the traffic flow counting at the lane level is realized by combining positioning information of an induction rod;
s23, photosensitive mode: when the light environment changes greatly, the photosensitive mode is automatically switched through the control terminal, and the mode is that the illumination sensing module and the panoramic sensing module are combined to realize intelligent illumination and the self-adaptive adjustment of the laser of the induction rod.
10. The method of claim 8, wherein the city induction rod system comprises: the specific process of outputting the optimal traffic guidance plan in the step S3 is as follows: through the data information on the cloud comprehensive control platform is inquired synchronously to the edge calculation module, and then data fusion analysis is carried out by combining the data collected in real time: when the requirement on the response delay is less than or equal to 30ms, responding to the brake through the edge calculation module, and controlling the sensing terminal and the display terminal to work; when the delay requirement is greater than 30ms, the edge computing module communicates with the cloud comprehensive control platform through the PON optical fiber communication module, the processed data are pushed to the cloud comprehensive control platform for operation and analysis, and an optimal traffic guidance scheme is obtained and output in a terminal edge cooperation mode.
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