CN113658428A - Intelligent active management and control platform for expressway - Google Patents
Intelligent active management and control platform for expressway Download PDFInfo
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Abstract
The invention discloses an intelligent active management and control platform for a highway, which comprises a system software architecture and a physical architecture, wherein the system software architecture comprises an intelligent perception layer, a data acquisition layer, a data analysis and processing layer, an application display layer, a standard system and a safety guarantee system, and the system physical architecture comprises a telecommunication transmission system, a telecommunication optical fiber, a networking operation management center, a terminal device and a highway network. This highway intellectuality initiative management and control platform combines the current information-based system of highway and the digital transformation project construction achievement of outfield road control, through multiple wisdom perception equipment, in time acquires multiple data such as road traffic state, realizes the statistics output to the real time monitoring management of road segment traffic running state, diversified analysis statistics show and relevant data report form, further assists the leader to analyze the decision-making, realizes the work efficiency who improves holistic operation management.
Description
Technical Field
The invention relates to the technical field of intelligent management of highways, in particular to an intelligent active control platform for highways.
Background
Along with rapid development of national economy and accelerated formation of urban groups, traffic activities of China are increasingly frequent in trip, a highway is used as an aorta of highway traffic to bear more and more trip traffic flows, people can trip more conveniently through the highway, and the trip safety and trip speed quality of people are improved, but the highway is also used as main trip flow, so that great difficulty and challenge are brought to highway management, phenomena such as traffic jam and traffic accidents cause serious energy waste, environmental pollution and economic loss, and hidden danger is brought to the driving safety of a driver on the highway;
however, as an important traffic key road for connecting provinces and provinces, the overall intelligent informatization level of part of expressway sections of expressway limited companies in China is to be further improved, at the moment, the construction project needs to be digitally reformed by combining with outfield road monitoring, and on the basis of large-scale expansion of the expressway, the intelligent and refined intelligent perception technology is utilized to obtain traffic operation information with higher precision and better real-time performance, so that the traffic capacity level of the expressway is improved to a greater extent, and safe, smooth and high-quality expressway travel service is provided for expressway travelers, and the method has extremely important significance.
Aiming at the problems, innovative design is urgently needed, a novel intelligent sensing means is added according to local conditions by combining with an upgrading and transformation opportunity of an expressway outfield monitoring system, the granularity and the accuracy of monitoring the road traffic running state are improved, traffic information data of a related intelligent sensing system or related service data of a third-party unit system are collected, and data analysis, fusion and further service application of a subsequent platform are supported.
Disclosure of Invention
The invention aims to provide an intelligent active management and control platform for an expressway, and aims to solve the problems that the monitoring means for the road traffic running state of the expressway is single and a microwave vehicle inspection device is basically abandoned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a highway intellectuality initiative management and control platform, includes system software framework and physical framework, system software framework includes wisdom perception layer, data acquisition layer, data analysis processing layer, application show layer, standard system and safety guarantee system, system physical framework includes telecommunication transmission system, telecommunication optic fibre, networking operation management center, terminal equipment and highway network, highway network includes telecommunication transmission equipment, switch, prevents hot wall, poison wall, central large-size screen and workstation, highway wisdom initiative management and control platform system is constituteed including data acquisition service, data fusion analysis service, comprehensive information initiative management and control platform, management and control platform mobile service and system management, comprehensive information initiative management and control platform is including comprehensive show, surveillance video, data report form, special topic analysis, information board management, The system comprises an obstacle clearing management system, a maintenance construction management system, an intelligent traffic guidance system, a system management system, a log management system and an operation and maintenance management system, wherein the comprehensive display system comprises a traffic running state, a key monitoring video, a BIM map, a data trend analysis system and meteorological information, the monitoring video comprises a real-time monitoring video and a video playback system, the data report comprises a traffic volume report, an obstacle clearing report and a maintenance report, the special analysis comprises a historical trend and a holiday congestion condition analysis, the information board management system is provided with information board information editing, and the intelligent traffic guidance system comprises special event detection, event alarm and traffic guidance.
Preferably, the data acquisition service comprises microwave vehicle inspection data acquisition, vehicle-mounted Bluetooth data acquisition, maintenance and exhaust vehicle GPS data acquisition, ETC portal system data acquisition, external unit data docking, traffic basic data set manufacturing and real-time data monitoring alarm, and the data acquisition mainly depends on an active acquisition mode.
Preferably, the data fusion analysis service comprises multi-source data preprocessing, data analysis control and data output, the multi-source data preprocessing comprises multi-source data extraction, data conversion and matching, characteristic analysis and dimension reduction, the data analysis control comprises data deep learning, service operation control, quality monitoring and statistical analysis, and the output comprises an information uniform issuing interface and data warehouse storage.
Preferably, the mobile service of the management and control platform comprises traffic road condition check, internal information notification and public service information release, the traffic road condition check comprises traffic road condition information and a real-time monitoring video, the internal information notification comprises information board information, maintenance construction information and obstacle clearing information, and the public service information release comprises traffic weather and traffic events.
Preferably, the system management comprises user management, role management, authorization management, security management, operation log management and operation and maintenance management, and the authorization management comprises role authority list maintenance and role and user associated maintenance.
Preferably, the system management further comprises a system interface, the system interface comprises an internal device data interface and an external service data interface, the internal device data interface comprises a traffic data acquisition interface, a monitoring video interface and an information board information interface, and the external service data interface comprises a networking charging data interface, a meteorological data interface, a traffic road condition data interface and a construction maintenance data interface.
Preferably, the intelligent active management and control platform system for the expressway further comprises data storage, wherein the data storage comprises architecture design, database design and data management, the database design comprises a basic database, a collection database, fusion, a service database and a historical database, and the data management comprises a data backup strategy and a data deletion strategy.
Preferably, the intelligent active management and control platform system for the expressway further comprises maintenance service, wherein the maintenance service comprises preventive maintenance, fault maintenance and maintenance requirements, the preventive maintenance system is maintained and patrols and examines a system development project, and the fault maintenance comprises timely repair of software faults, provision of fault check, fault removal and replacement of spare parts and repair of system communication faults.
Compared with the prior art, the invention has the beneficial effects that: the intelligent active control platform for the expressway;
1. by combining the existing informatization system of the expressway and the construction achievement of the outfield road monitoring digital transformation project, various data such as road traffic states and the like are acquired in time through various intelligent sensing devices, real-time monitoring management, diversified analysis and statistics display and statistics output of related data reports on the road traffic running states are realized, leadership analysis decision is further assisted, and the working efficiency of overall operation management is improved;
2. the traffic infrastructure has microscopic sensing and basic prediction functions and can support low-space and time-resolution traffic information service, traffic management and driving assistance;
3. by matching with high-speed overall vehicle-road cooperation and automatic driving development planning, the medium-term level of the intelligent infrastructure, namely partial networking, partial intellectualization and partial automation, and the conditional automatic driving and high-level networking preliminary automation based on the traffic infrastructure in the later period are gradually realized.
Drawings
FIG. 1 is a diagram of a system software architecture according to the present invention;
FIG. 2 is a diagram of the physical architecture of the system of the present invention;
FIG. 3 is a schematic diagram of the overall frame structure of the system of the present invention;
FIG. 4 is a schematic diagram of a data collection service architecture according to the present invention;
FIG. 5 is a schematic diagram of an external data interface according to the present invention;
FIG. 6 is a diagram illustrating a converged analytics service architecture of the present invention.
FIG. 7 is a schematic diagram of a logical architecture of the data fusion analysis service according to the present invention.
FIG. 8 is a diagram of a neural network of a data analysis control module in the data fusion analysis service according to the present invention.
FIG. 9 is a schematic diagram of an architecture of the integrated information initiative management and control platform according to the present invention.
Fig. 10 is a diagram illustrating a mobile service architecture of a management and control platform according to the present invention.
FIG. 11 is a diagram of a data storage architecture according to the present invention.
FIG. 12 is a diagram illustrating the composition of a database in a data store according to the present invention.
Fig. 13 is a schematic view of the field maintenance process after the failure occurs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, the present invention provides a technical solution: the utility model provides a highway intellectuality initiative management and control platform, includes system software framework and physical framework, system software framework includes wisdom perception layer, data acquisition layer, data analysis processing layer, application show layer, standard system and safety guarantee system, as shown in FIG. 2, system physical framework includes telecommunications transmission system, telecommunications fiber, networking operation management center, terminal equipment and highway network, the highway network includes telecommunications transmission equipment, switch, firewall, gas defense wall, central large-size screen and workstation, as shown in FIG. 3, highway intellectuality initiative management and control platform system component includes data acquisition service, data fusion analysis service, synthesizes information initiative management and control platform, management and control platform mobile service and system management, as shown in FIG. 9, synthesize information initiative management and control platform and include synthesize the show, synthesize, The intelligent traffic guidance system comprises monitoring videos, data reports, thematic analysis, information board management, obstacle clearance management, maintenance construction management, intelligent traffic guidance, system management, log management and operation and maintenance management, wherein the comprehensive display comprises a traffic running state, key monitoring videos, a BIM map, data trend analysis and meteorological information, the monitoring videos comprise real-time monitoring videos and video playback, the data reports comprise traffic volume reports, obstacle clearance reports and maintenance reports, the thematic analysis comprises historical trend and holiday congestion condition analysis, the information board management comprises information board information editing, and the intelligent traffic guidance comprises special event detection, event alarm and traffic guidance.
The system adopts a four-layer structure, so that the load on the client and the server can be balanced better, network communication and competition are reduced, and the throughput of system transaction is improved; when the number of connected clients is large, the three-layer structure occupies a small number of database connections, so that the resource consumption of the host can be reduced; when the business processing logic changes, the system can be modified conveniently with less cost.
The intelligent sensing layer is a data source layer and mainly comprises an ETC portal frame, a microwave radar, a maintenance and drainage vehicle GPS, a traffic flow detector and other intelligent sensing systems; the data acquisition layer active control platform is responsible for acquiring and gathering traffic data of each intelligent sensing system and butting various related service data with a highway company headquarter and a highway networking operation management center; the data analysis and processing layer processes and fusion analyzes the multi-source traffic data, and supports the applications of traffic running state monitoring, statistical analysis, display and the like of a subsequent active control platform; the application display layer provides application management such as real-time monitoring of road traffic running states, statistical analysis decision, thematic analysis, report management, mobile phone end comprehensive display and the like for a highway manager; and a standard system and a safety guarantee system establish a data acquisition interaction standard and safety management standard system to guarantee the overall stable operation of the system.
Comprehensively displaying various information in the service range of the centralized display system, and realizing part of human-computer interaction operation, including traffic running state monitoring, key junction node video, traffic flow real-time overview, charging real-time overview, information trend statistical chart, real-time meteorological information, traffic abnormity processing, road section real-time monitoring, video playback and access management; thematic analysis is to collect and arrange the flow data of the holidays of the expressway in China all the year round, eliminate abnormal data causing great changes of the flow according to factors such as construction and severe weather, carry out statistical analysis on the screened flow data, serve as basic data of predictive analysis, and combine the real-time data of the holidays for comparison to form a thematic analysis report; the system displays the information boards according to the types of the information boards in a classified mode, simultaneously BIM displays the addresses of the information boards, and a user can check the information of the information boards by clicking the information boards; the system is specially used for designing an operation management terminal for an obstacle clearing center, so that personnel in the obstacle clearing center can conveniently check traffic road condition information and event accident information in real time, and find an event needing obstacle clearing operation at the first time; the system is specially used for providing information auxiliary service for maintenance construction, and is convenient for maintenance center personnel to check traffic road condition information and accident, control and meteorological information in real time; the intelligent traffic guidance mainly identifies and determines various analysis models of road use conditions, weather states, special events (accidents, fires and the like) and the like by continuously analyzing the acquired traffic data, and automatically prompts an alarm when a simulation result exceeds a threshold value specified by a system; and finally, the system provides various data report display and export functions in each path range.
The system management is an important component of the whole active control platform, provides functional support for other subsystems and comprises modules of user management, role management, authority management, operation log management, query and the like, and provides system user information maintenance functions, including operations of adding users, modifying user attributes, deleting users, setting authority for the users, maintaining user states such as normal and frozen, resetting passwords for the users and the like; before allocating user specific authority, role management defines system roles according to role classification, each role matches application authority in a role scope, and the role management mainly comprises daily maintenance functions of adding, deleting, modifying and the like of role basic information; the authorization management corresponds the user to the roles and allocates the authority which can be obtained by each role; the safety management effectively improves the reliability of data storage through disaster recovery backup measures, can realize recovery and quick switching when abnormal events occur, and realizes data safety guarantee; the operation log management realizes the operations of query, statistical analysis and the like on the system operation log through a log query module; the operation and maintenance management controls and manages the operation states of all subsystems in the system, including data acquisition service, data analysis and processing service, data backup service and other service states, monitors the real-time state of the operation nodes of the system, actively tries self-recovery at the first time when abnormal service occurs, and records information. And if necessary, sending a system alarm to inform related personnel to process in time.
As shown in fig. 4, the data collection service includes microwave vehicle inspection data collection, vehicle-mounted bluetooth data collection, maintenance and discharge vehicle GPS data collection, ETC portal system data collection, external unit data docking, traffic basic data set production, and real-time data monitoring and alarming, and the data collection mainly depends on an active acquisition mode.
Data acquisition mainly depends on an active acquisition mode, a TCP/IP synchronous short connection mode is adopted, namely a Socket mode actively acquires traffic information data of each intelligent perception system, or a Web Service interface mode is adopted to call related interfaces in the system to acquire the traffic information data at regular time, communication protocol development mainly carries out communication connection with appointed ports of each intelligent perception system database through a TCP type Socket programming interface of TCP/IP, and the traffic information data acquirable by the intelligent perception system based on the microwave detection technology comprises the following steps: the traffic parameter monitoring comprises flow, speed, occupancy, headway and the like, and the traffic state identification comprises the step of identifying the traffic running state of the road section according to the monitoring parameters; the traffic information data which can be obtained by the intelligent perception system based on the Bluetooth detection technology comprises the following steps: the traffic parameter monitoring comprises flow, travel time, vehicle speed, occupancy rate and the like, and the traffic state identification comprises the step of identifying the traffic running state of a road section, such as red, yellow and green, according to the monitoring parameters; the data acquired by the GPS data acquisition of the maintenance and drainage vehicle comprises longitude and latitude information, time and other information of the vehicle; the traffic information data obtainable based on the ETC portal system include: the traffic parameter monitoring comprises lane flow, section vehicle speed and the like, and the traffic state identification comprises the steps of identifying traffic operation states of road sections, such as red, yellow and green, according to monitoring parameters, realizing data exchange or data sharing between a database server and a headquarter of a highway company Limited through developing a special data interface, and receiving service data from the highway company Limited, wherein the service data comprises mobile phone data, flow data, accident event data, maintenance data and the like of the highway company and a highway networking operation center, and BIM (building information modeling) map data of a third party.
As shown in fig. 6, the data fusion analysis service includes multi-source data preprocessing, data analysis control and data output, the multi-source data preprocessing includes multi-source data extraction, data conversion and matching, feature analysis and dimension reduction, the data analysis control includes data deep learning, service operation control, quality monitoring and statistical analysis, and the output includes an information uniform distribution interface and data warehouse storage.
As shown in fig. 7, traffic information such as video image data, toll flow data, mobile phone signaling data, and other basic data are extracted from a database server according to the needs of data fusion analysis, the extracted data are transformed in time-space consistency according to the needs of fusion analysis, target data items are screened out, a fused result is obtained through analysis processing of a data fusion module, and then the fused result is stored in a service database to support subsequent intelligent management and control application, as shown in fig. 8, a data analysis control module comprises a traffic data fusion deep learning algorithm program, an operation management control module, and a data quality monitoring and statistical analysis module, and the deep learning neural network algorithm is selected as a fusion estimation method according to the three characteristics of the algorithm: namely self-learning, self-organization and self-adaptability, the adopted neural network model comprises an input layer, a hidden layer and an output layer, and the structure is shown in figure 8; the operation management control module controls and manages service operation states of data extraction, data fusion, file deletion service, log deletion service and the like of the fusion analysis service, monitors the real-time state of a system operation node, and displays fusion operation condition details; and the data quality monitoring and statistical analysis module records and monitors the original data quantity extracted by the multi-source traffic data analysis and fusion system in real time, compares and analyzes the synchronous difference between the original data and the effective data, and evaluates the data quality.
As shown in fig. 10, the mobile service of the management and control platform includes traffic road condition check, internal information notification and public service information release, the traffic road condition check includes traffic road condition information and real-time monitoring video, the internal information notification includes information board information, maintenance construction information and obstacle clearing information, and the public service information release includes traffic weather and traffic events.
As shown in fig. 11, the interface design of system communication is mainly divided into two types: the first type, internal equipment data interface, mainly completes the data acquisition of the intelligent sensing equipment in the system and the output control function of part of peripheral equipment (such as information board), the second type, external service data interface: the data acquisition and data interaction functions of external services of the system are mainly completed; in the aspect of data storage, in order to improve the high availability of a database, the RAC architecture is designed by adopting a dual-node RAC + ASM architecture, and has the advantages of realizing multi-node load balance, providing high availability, improving transaction number and connection number per second, having good expandability and the like; the ASM redundant storage can improve the high availability and the resource utilization rate of the storage equipment, balance the I/O load and more conveniently manage the storage equipment.
The system management comprises user management, role management, authorization management, security management, operation log management and operation and maintenance management, wherein the authorization management comprises role authority list maintenance and role and user associated maintenance.
The system management also comprises a system interface, wherein the system interface comprises an internal equipment data interface and an external service data interface, the internal equipment data interface comprises a traffic data acquisition and monitoring video interface and an information board information interface, and the external service data interface comprises a networking charging data interface, a meteorological data interface, a traffic road condition data interface and a construction and maintenance data interface.
The intelligent active management and control platform system for the expressway further comprises data storage, wherein the data storage comprises architecture design, database design and data management, the database design comprises a basic database, an acquisition database, a fusion database, a service database and a historical database, the data management comprises a data backup strategy and a data deletion strategy, as shown in fig. 12, when the database is designed, the data storage mode of the system adopts a comprehensive data warehouse for storage, and the basic database stores basic information of road sections (bridges, tunnels), toll stations, service areas and the like, road side monitoring and issuing facility information, road section BIM information and the like; the acquisition database stores the data acquired from each intelligent sensing device and the service data acquired through the data communication interface; the fusion and business database is data graph or chart data which is generated by analyzing, processing and deeply mining data according to different business requirements and can be used for business, information screen display, input and output, analysis and prediction and other various requirements and is generated by data analysis and processing service according to basic data, an acquisition database and historical data; the historical database stores various historical business data which are past to be produced by the past system and are outdated (such as the generation time exceeds one year).
The intelligent active management and control platform system for the expressway further comprises maintenance service, the maintenance service comprises preventive maintenance, fault maintenance and maintenance requirements, the preventive maintenance comprises maintenance and inspection of a system development project, the fault maintenance comprises timely repair of software faults, fault inspection, fault removal, replacement of spare parts and repair of system communication faults, the proposed system operation and maintenance and after-sale service scheme is perfected during training and test operation according to the service scheme, and preventive, fault maintenance and technical support service are guaranteed to be provided after system acceptance. The preventive maintenance content mainly comprises the maintenance and inspection of a system development project, wherein the inspection is carried out 1 time per week; the content of the fault maintenance includes completing timely repair of system software faults, providing fault detection, fault removal and spare part replacement services in cooperation with hardware manufacturers, and repairing system communication faults, and the maintenance process is as shown in fig. 13.
The table for the hardware requirements of the present invention is as follows:
the table for the software requirements of the present invention is as follows:
those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a highway intellectuality initiative management and control platform, includes system software framework and physics framework, its characterized in that: the system software architecture comprises an intelligent sensing layer, a data acquisition layer, a data analysis processing layer, an application display layer, a standard system and a safety guarantee system, the system physical architecture comprises a telecommunication transmission system, telecommunication optical fibers, a networking operation management center, terminal equipment and a highway network, the highway network comprises telecommunication transmission equipment, a switch, a firewall, a gas defense wall, a central large screen and a workstation, the intelligent active management and control platform system of the highway comprises data acquisition service, data fusion analysis service, an integrated information active management and control platform, management and control platform mobile service and system management, the integrated information active management and control platform comprises integrated display, monitoring video, data report forms, thematic analysis, information board management, obstacle clearing and removing management, maintenance construction management, intelligent traffic induction, system management, log management and operation and maintenance management, the comprehensive display comprises a traffic running state, a key monitoring video, a BIM map, data trend analysis and meteorological information, the monitoring video comprises a real-time monitoring video and video playback, the data report comprises a traffic volume report, an obstacle clearance report and a maintenance report, the special analysis comprises historical trend and holiday congestion condition analysis, the information board management comprises information board information editing, and the intelligent traffic guidance comprises special event detection, event alarm and traffic guidance.
2. The intelligent active management and control platform for expressway of claim 1, wherein: the data acquisition service comprises microwave vehicle inspection data acquisition, vehicle-mounted Bluetooth data acquisition, maintenance and exhaust vehicle GPS data acquisition, ETC portal system data acquisition, external unit data docking, traffic basic data set manufacturing and real-time data monitoring alarm, and the data acquisition mainly depends on an active acquisition mode.
3. The intelligent active management and control platform for expressway of claim 1, wherein: the data fusion analysis service comprises multi-source data preprocessing, data analysis control and data output, the multi-source data preprocessing comprises multi-source data extraction, data conversion and matching, characteristic analysis and dimension reduction, the data analysis control comprises data deep learning, service operation control, quality monitoring and statistical analysis, and the output comprises an information uniform issuing interface and data warehouse storage.
4. The intelligent active management and control platform for expressway of claim 1, wherein: the management and control platform mobile service comprises traffic road condition checking, internal information notification and public service information publishing, the traffic road condition checking comprises traffic road condition information and a real-time monitoring video, the internal information notification comprises information board information, maintenance construction information and obstacle clearing information, and the public service information publishing comprises traffic weather and traffic events.
5. The intelligent active management and control platform for expressway of claim 1, wherein: the system management comprises user management, role management, authorization management, security management, operation log management and operation and maintenance management, wherein the authorization management comprises role authority list maintenance and role and user associated maintenance.
6. The intelligent active management and control platform for expressway of claim 1, wherein: the system management also comprises a system interface, wherein the system interface comprises an internal equipment data interface and an external service data interface, the internal equipment data interface comprises a traffic data acquisition interface, a monitoring video interface and an information board information interface, and the external service data interface comprises a networking charging data interface, a meteorological data interface, a traffic road condition data interface and a construction maintenance data interface.
7. The intelligent active management and control platform for expressway of claim 1, wherein: the intelligent active management and control platform system for the expressway further comprises data storage, wherein the data storage comprises architecture design, database design and data management, the database design comprises a basic database, a collection database, fusion, a service database and a historical database, and the data management comprises a data backup strategy and a data deletion strategy.
8. The intelligent active management and control platform for expressway of claim 1, wherein: the intelligent active management and control platform system for the expressway further comprises maintenance service, wherein the maintenance service comprises preventive maintenance, fault maintenance and maintenance requirements, the preventive maintenance system is used for maintaining and inspecting a system development project, and the fault maintenance comprises timely repairing of software faults, providing fault inspection, fault removal, replacement of spare parts and repairing of system communication faults.
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| Application Number | Priority Date | Filing Date | Title |
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| CN114418161A (en) * | 2021-11-24 | 2022-04-29 | 广东省城乡规划设计研究院有限责任公司 | Intelligent networking method and device for highway service area, electronic equipment and storage medium |
| CN114550457A (en) * | 2022-03-11 | 2022-05-27 | 中天科技(清远)有限公司 | Traffic flow prediction method for expressway service area |
| CN114937349A (en) * | 2022-05-10 | 2022-08-23 | 山东高速信息集团有限公司 | Toll lane state monitoring device, method and medium |
| CN115150426A (en) * | 2022-05-24 | 2022-10-04 | 中交公规土木大数据信息技术（北京）有限公司 | Intelligent highway general architecture |
| CN115150588A (en) * | 2022-06-29 | 2022-10-04 | 国能龙源电力技术工程有限责任公司 | Big screen display of wisdom shows management system and power plant wisdom shows management system that shows |
| CN115359655A (en) * | 2022-08-03 | 2022-11-18 | 中远海运科技股份有限公司 | Highway monitoring system based on hierarchical clustering algorithm |
| CN115421394A (en) * | 2022-09-20 | 2022-12-02 | 浪潮通信信息系统有限公司 | Method and device for constructing standard model in smart home architecture |
| CN117831267A (en) * | 2022-12-31 | 2024-04-05 | 江苏长天智远数字智能科技有限公司 | Road monitoring system based on multisource data fusion |
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