CN114979204A - Digital management and control platform for highway operation management - Google Patents
Digital management and control platform for highway operation management Download PDFInfo
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Abstract
The application relates to the technical field of highway operation management and discloses a digital management and control platform for highway operation management. The platform comprises a platform layer, a device layer, a network layer, a data processing layer and an application layer. The digital management and control platform for highway operation management utilizes a BIM technology, a GIS technology and an oblique photography technology to construct a highway three-dimensional model in a highway operation management period. The operation management business of the expressway is complex, different expressway infrastructures have different modeling requirements, and a three-dimensional visual model is constructed through a BIM technology, a GIS technology and an oblique photography technology. Compared with a single BIM model, the method contains more perfect and comprehensive information related to the traffic infrastructure, so that the real traffic infrastructure can be better simulated and represented.
Description
Technical Field
The application relates to the technical field of highway operation management, in particular to a digital management and control platform for highway operation management.
Background
The existing Building Information Modeling technology (BIM) is mostly applied to the aspects of quality management, progress management, cost management and the like in the highway construction process, and compared with the traditional manual management mode, the BIM technology-based highway management platform can help managers to improve management efficiency and timely find and process quality problems, progress problems and the like in the construction process.
The BIM technology-based highway construction period management mainly aims at highway construction units. Management units of the expressway at different periods are different, and after the expressway is built and put into operation, more attention is paid to asset maintenance, road disease maintenance, traffic operation data and the like. The construction period mainly includes that dynamic construction data are collected through a video monitoring unit and an intelligent sensor in the construction process, stored and uploaded to a management platform, and the dynamic construction data are subjected to data processing and analysis and applied to management platform function modules such as construction progress and construction quality.
Compared with the highway management process in the construction period, the highway digital platform in the operation period has more complexity, more related sensor modules and more complex scene construction. Moreover, most of the expressways in the operation period are built into communication vehicles for many years, and compared with BIM modeling of expressways which are being built and reconstructed, the method has many difficulties in model building. The single BIM technology cannot meet the application requirements of complex scenes when a platform is built.
Disclosure of Invention
The application discloses a digital management and control platform for highway operation management, which aims to solve the technical problem that in the prior art, a single BIM technology cannot meet the application requirement of a complex scene when a platform is constructed.
The application discloses a digital management and control platform for highway operation management, which comprises a platform layer, an equipment layer, a network layer, a data processing layer and an application layer;
the platform layer is used for carrying a pre-constructed three-dimensional model of the highway, the three-dimensional model of the highway is a data interaction carrier, and the three-dimensional model of the highway is constructed in advance by utilizing a BIM technology, a GIS technology and an oblique photography technology;
the equipment layer comprises a plurality of pieces of equipment and is used for acquiring dynamic data of highway operation management;
the network layer is used for establishing communication with equipment in the equipment layer and uploading the dynamic data of highway operation management to the data processing layer in real time;
the data processing layer is used for processing data and outputting the data to the application layer after receiving the dynamic data of the highway operation management;
the application layer is used for managing the use condition of the fixed assets of the expressway, managing pavement diseases, bridge diseases and disease conditions of traffic auxiliary facilities of the expressway, judging a real-time traffic running state, analyzing traffic situation and actively managing and controlling traffic, and managing operation and maintenance of traffic safety facilities and electromechanical facilities according to the data output by the data processing layer.
Optionally, the three-dimensional model of the highway comprises a route, a roadbed, a pavement, a bridge, a culvert, a tunnel, traffic engineering, facilities along the route and a green house building.
Optionally, the dynamic data for highway operation management includes data of entry and exit of fixed assets, data of disease identification of highway pavements and affiliated transportation facilities, traffic data, traffic control information, weather condition data, and running state data of equipment.
Optionally, the devices in the device layer include an RFID identification device, a vehicle-mounted camera, a roadside monitoring camera, a millimeter-wave radar, an ETC portal, an information board, a meteorological sensor and an electromechanical device operation and maintenance intelligent sensor;
the RFID identification equipment is used for dynamically acquiring the in-out database data of the fixed assets;
the vehicle-mounted camera is used for carrying out disease identification on the highway pavement and the attached traffic facilities to acquire disease identification data;
the roadside monitoring camera, the millimeter wave radar and the ETC portal are used for dynamically identifying traffic data;
the information board is used for receiving the traffic control information and issuing corresponding traffic control information;
the weather sensor is used for dynamically acquiring weather condition data;
the electromechanical equipment operation and maintenance intelligent sensor is used for sensing the running state of the equipment in real time and acquiring the running state data of the equipment.
Optionally, the vehicle-mounted camera carries a disease identification algorithm to identify diseases on the highway pavement and the attached transportation facilities.
Optionally, the traffic data dynamically identified by the roadside monitoring camera, the millimeter wave radar and the ETC portal frame include traffic volume, vehicle type, vehicle speed and headway.
Optionally, the network layer is configured to establish communication with devices in the device layer through an optical fiber network on a highway and a mobile 4G/5G network.
Optionally, the data processing layer includes a multi-source data processing module, a data fusion module, and a data output module;
the multi-source data processing module is used for extracting, analyzing and matching the data acquired by different paths;
the data fusion module is used for fusing the processed data;
and the data output module is used for outputting the fused data to the application layer.
Optionally, the application layer includes a fixed asset management module, a basic facility management module, an operation scheduling management module, and an on-line maintenance module for the electromechanical facilities of the traffic security;
the fixed asset management module is used for managing the use condition of the fixed assets on the highway, including daily management, depreciation management, report statistics and system management of the assets, and managing the increase, decrease, transfer, idling and scrapping of the assets;
the basic facility management and maintenance module is used for managing road surface diseases of the expressway, bridge diseases and diseases of traffic auxiliary facilities, and comprises visual disease display, disease frequent road sections and disease statistical analysis;
the operation scheduling management module is used for judging a real-time traffic operation state by using algorithms such as short-time traffic flow prediction and the like, carrying out future traffic situation analysis according to real-time traffic jam conditions of all road sections, and carrying out active traffic control by adopting an active traffic control strategy;
the on-line maintenance module of the handing-security electromechanical facilities is used for carrying out operation and maintenance management on the handing-security facilities and the electromechanical facilities, and comprises operation and maintenance event grading, operation and maintenance service time and intelligent operation and maintenance early warning.
Optionally, the active traffic control policy includes a variable speed limit control policy, a dynamic open emergency lane control policy, and a remote induced diversion policy.
The application relates to the technical field of highway operation management and discloses a digital management and control platform for highway operation management. The platform comprises a platform layer, a device layer, a network layer, a data processing layer and an application layer. The digital management and control platform for highway operation management utilizes a BIM technology, a GIS technology and an oblique photography technology to construct a highway three-dimensional model in a highway operation management period. The highway operation management business is complex, different highway infrastructures have different modeling requirements, and a three-dimensional visual model is constructed through a BIM technology, a GIS technology and an oblique photography technology. Compared with a single BIM model, the method contains more perfect and comprehensive information related to the traffic infrastructure, so that the real traffic infrastructure can be better simulated and represented.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a digital management and control platform for highway operation management disclosed in an embodiment of the present application;
fig. 2 is a schematic diagram of components of a three-dimensional model of a highway disclosed in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. 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 application.
In order to solve the technical problem that a single BIM technology cannot meet the application requirements of a complex scene when a platform is constructed in the prior art, the application discloses a digital management and control platform for highway operation management through the following embodiments, and referring to fig. 1, the digital management and control platform for highway operation management comprises a platform layer, an equipment layer, a network layer, a data processing layer and an application layer.
The platform layer is used for carrying a highway three-dimensional model which is constructed in advance, the highway three-dimensional model is a data interaction carrier, and the highway three-dimensional model is constructed in advance by utilizing a BIM (building information modeling) technology, a GIS (geographic information system) technology and an oblique photography technology. Specifically, a digital platform base for highway operation management is built through a BIM technology and an oblique photography technology.
In some embodiments of the present application, referring to fig. 2, the three-dimensional model of the highway comprises a route, a roadbed, a road surface, a bridge, a culvert, a tunnel, traffic engineering, facilities along the route and greening building.
Specifically, a characteristic local model gallery is built based on an open BIM modeling platform such as REVIT, ARCHITECTURE and the like according to the requirement of highway infrastructure. And for the infrastructure with low requirements on datamation, unitization and data loading, the stereoscopic modeling is carried out by combining with mature oblique photography. For the platform environment, for building a better visualization effect, a GIS is selected as a bottommost gallery, and a BIM model system is loaded on a layer of the GIS, so that interactive display is realized. By applying the oblique photography technology, images with high resolution and a plurality of different angles at the same position can be obtained at the same time, and abundant side texture and position information of the ground object can be acquired. Based on detailed aerial survey data, a series of operations such as image preprocessing, regional joint adjustment, multi-view influence matching and the like are carried out, and a high-quality and high-precision three-dimensional GIS model is established in batches and used as a supplement of a highway three-dimensional model, so that a complete and rich highway three-dimensional model is established.
The equipment layer comprises a plurality of equipment used for acquiring dynamic data of highway operation management.
In some embodiments of the present application, the dynamic data for highway operation management includes data of in-out warehouse of fixed assets, data of disease identification of highway pavement and affiliated transportation facilities, traffic data, traffic control information, weather condition data, and operation state data of equipment. The equipment layer of the digital platform for highway operation management is a data source for generating dynamic data in operation management business.
In some embodiments of the present application, the devices in the device layer include RFID identification devices, vehicle-mounted cameras, roadside monitoring cameras, millimeter-wave radars, ETC gantries, intelligence boards, meteorological sensors, and electromechanical device operation and maintenance intelligence sensors.
The RFID identification equipment is used for dynamically collecting the in-out warehouse data of the fixed assets. Specifically, the main fixed asset management device is an RFID identification device, an RFID electronic tag is attached to the fixed asset, and the RFID identification device can dynamically acquire the in-out warehouse data of the fixed asset.
The vehicle-mounted camera is used for carrying out disease identification on the highway pavement and the attached traffic facilities and acquiring disease identification data. Further, the vehicle-mounted camera carries a disease identification algorithm to identify diseases on the highway pavement and the attached traffic facilities. Specifically, the main infrastructure management equipment is a vehicle-mounted camera, and the vehicle-mounted camera carries a disease identification algorithm to identify diseases on highway pavements and affiliated transportation facilities.
The roadside monitoring camera, the millimeter wave radar and the ETC portal frame are used for dynamically identifying traffic data. In some embodiments of the present application, the traffic data dynamically identified by the roadside monitoring camera, the millimeter wave radar, and the ETC portal includes traffic volume, vehicle type, vehicle speed, and headway.
The intelligence board is used for receiving the traffic control information and issuing corresponding traffic control information.
Specifically, the main devices for operating the scheduling management application scene are road side monitoring cameras, millimeter wave radars, information boards, etc. portal frames and the like. Traffic data such as traffic volume, vehicle type, vehicle speed, headway and the like are dynamically identified through a highway roadside monitoring camera, a millimeter wave radar and an ETC portal. The information board mainly receives the traffic control information and issues the corresponding traffic control information.
The weather sensor is used for dynamically collecting weather condition data. Specifically, weather condition data are dynamically acquired through a weather sensor on the side of the highway, and a decision basis is provided for traffic active control.
The electromechanical equipment operation and maintenance intelligent sensor is used for sensing the running state of the equipment in real time and acquiring the running state data of the equipment. Specifically, the electromechanical device operation and maintenance intelligent sensor is an equipment state intelligent sensor installed on the electromechanical device, and senses the operation state of the equipment in real time through the sensor.
And the network layer is used for establishing communication with equipment in the equipment layer and uploading the dynamic data of highway operation management to the data processing layer in real time.
In some embodiments of the present application, the network layer is configured to establish communications with devices in the device layer via a highway fiber optic network and a mobile 4G/5G network. Specifically, the equipment of the digital platform for highway operation management needs to be connected with the platform through a network. And part of equipment is communicated with the platform through the expressway optical fiber network, and the other part of equipment is required to be communicated with the platform through the mobile 4G/5G network. And equipment such as a road side monitoring camera and the like are connected to the highway operation management digital platform through a highway optical fiber network and a mobile 4G/5G network, and identification data of the equipment such as an RFID identification device, a vehicle-mounted camera, the road side monitoring camera, a millimeter wave radar and the like are uploaded to a data processing layer of the highway operation management digital platform in real time.
And the data processing layer is used for processing data and outputting the data to the application layer after receiving the dynamic data of the highway operation management.
In some embodiments of the present application, the data processing layer includes a multi-source data processing module, a data fusion module, and a data output module.
And the multi-source data processing module is used for extracting, analyzing and matching the data acquired by different paths.
And the data fusion module is used for fusing the processed data.
And the data output module is used for outputting the fused data to the application layer.
Specifically, after the device establishes communication with the platform, dynamically acquired data is uploaded to a data processing layer, and the data processing layer processes the acquired data. The data processing comprises multi-source data processing, data fusion and data output; the multi-source data processing is the extraction, characteristic analysis and matching of data acquired by different paths, and the data fusion is to fuse the processed data; and the data output refers to the application module corresponding to the fused data output. The data of the monitoring camera on the highway road side and the data acquired by the millimeter wave radar are subjected to fusion processing, the data such as traffic volume, vehicle type, vehicle speed, headway and the like are output, and algorithm processing is performed to judge the traffic running state such as congestion time, congestion mileage and the like.
The application layer is used for managing the use condition of the fixed assets of the expressway, managing pavement diseases, bridge diseases and disease conditions of traffic auxiliary facilities of the expressway, judging a real-time traffic running state, analyzing traffic situation and actively managing and controlling traffic, and managing operation and maintenance of traffic safety facilities and electromechanical facilities according to the data output by the data processing layer.
In some embodiments of the present application, the application layer includes a fixed asset management module, an infrastructure management module, an operation scheduling management module, and a traffic security electromechanical facility online maintenance module. Specifically, the application layer of the digital highway operation management platform comprises four parts, namely fixed asset management, infrastructure management, operation scheduling management and on-line maintenance of the traffic safety electric facilities. The fixed asset management comprises sub-functional modules of asset daily management, depreciation management, report statistics and the like. The basic facility management and maintenance mainly comprises visual disease display and disease statistical analysis. The operation scheduling management comprises traffic real-time state, traffic situation analysis and traffic active control. The on-line maintenance of the traffic security electromechanical facilities comprises sub-functional modules of operation and maintenance event classification, operation and maintenance service time, intelligent operation and maintenance early warning and the like.
The fixed asset management module is used for managing the use condition of the fixed assets on the highway, including daily management, depreciation management, report statistics and system management of the assets, and managing the increase, decrease, transfer, idling and scrapping of the assets. In particular, fixed asset management is the management of the usage of highway fixed assets. The application scene functions include daily asset management, depreciation management, report statistics, system management and the like. The fixed asset management module manages the increase, decrease, transfer, idling, scrapping and the like of assets, provides required reports, and provides statistics and query.
The basic facility management and maintenance module is used for managing road surface diseases of the expressway, bridge diseases and diseases of traffic auxiliary facilities, and comprises visual disease display, disease frequent road sections and disease statistical analysis. Specifically, infrastructure management is to manage road surface defects of highways, bridge defects, and defects of traffic auxiliary facilities. The application scene functions comprise the functions of disease details, disease frequent road sections, disease statistical comparison and the like. Through the infrastructure management module, detailed information such as the type, the position, the length or the area of the road surface disease identified by inspection can be visually displayed, and analysis results such as a disease frequently-occurring road section, a road surface performance development prediction and a disease maintenance decision can be obtained through a system built-in algorithm, historical detection data and other big data analysis.
The operation scheduling management module is used for judging the real-time traffic operation state by using algorithms such as short-time traffic flow prediction and the like, carrying out future traffic situation analysis according to the real-time traffic jam condition of each road section, and carrying out active traffic control by adopting an active traffic control strategy. Further, the active traffic control strategy comprises a variable speed limit control strategy, a dynamic open emergency lane control strategy and a remote induced diversion strategy. Specifically, the operation scheduling management is implemented by using equipment such as a camera, a millimeter wave radar and an ETC portal frame on the side of the highway, so that data such as traffic flow, traffic flow speed, vehicle type and headway of the highway are acquired in real time, and real-time traffic operation state is judged by using algorithms such as short-time traffic flow prediction. And analyzing the real-time traffic jam condition and the future traffic situation of each road section. In addition, an intelligence board of the linkage highway issues active traffic control strategies such as a variable speed limit control strategy, a dynamic open emergency lane control strategy and a remote induced diversion strategy in real time.
The on-line maintenance module of the traffic safety electromechanical facilities is used for carrying out operation and maintenance management on the traffic safety facilities and the electromechanical facilities, and comprises operation and maintenance event grading, operation and maintenance service time and intelligent operation and maintenance early warning. Particularly, the highway traffic safety electromechanical equipment mainly comprises traffic safety facilities and electromechanical facilities, the management is different from the road surface and the bridge, the maintenance and the replacement of the equipment are more embodied, the number of the electromechanical equipment related to the highway is considered, the equipment is distributed in parts, and in order to improve the maintenance efficiency, a digital platform can be fully grafted to realize service management and auxiliary decision making. Grafting internet of things sensing and asset data, and utilizing a digital platform to realize the closing of management processes such as early warning, maintenance and the like. The functions of early warning classification, operation and maintenance service classification and the like of operation and maintenance events are realized by monitoring and judging the operation and maintenance index system of the facility equipment of the electromechanical system of the expressway. In addition, the system responds to the operation and maintenance service time, the operation and maintenance response real limit, the recovery time, the operation and maintenance delivery content, the operation and maintenance delivery mode and the like. The operation and maintenance management mode of the traditional expressway electromechanical facility equipment is changed, and the intelligent degree of electromechanical facility equipment management is improved.
The popularization of the informatization technology improves the operation and maintenance management efficiency, the demand of current scientific operation and maintenance decisions is urgent, the analysis requirement on the detection and monitoring data of the infrastructure is higher and higher, the embodiment fully considers the fusion and superposition of the attribute data and the historical detection data of the highway infrastructure, and an automatic decision basis is provided for the operation and management decisions.
The digital management and control platform for highway operation management disclosed by the embodiment of the application comprises a platform layer, an equipment layer, a network layer, a data processing layer and an application layer. The digital management and control platform for highway operation management utilizes a BIM technology, a GIS technology and an oblique photography technology to construct a highway three-dimensional model in a highway operation management period. The operation management business of the expressway is complex, different expressway infrastructures have different modeling requirements, and a three-dimensional visual model is constructed through a BIM technology, a GIS technology and an oblique photography technology. Compared with a single BIM model, the method contains more perfect and comprehensive information related to the traffic infrastructure, so that the real traffic infrastructure can be better simulated and represented.
The method and the device can realize three-dimensional digital presentation of the highway, and construct a three-dimensional visual model of the highway through a BIM technology and an oblique photography technology. The highway three-dimensional model is used as a data interaction carrier by enabling the highway three-dimensional model through data, and the operational decision potential required by business application, such as application scenes of panoramic travel display, asset allocation management, pavement maintenance management, bridge maintenance management, electromechanical maintenance management, operation scheduling management and the like, is exerted. And finally constructing a digital system for highway operation management by interacting with a disease inspection system, an electromechanical equipment maintenance system, a traffic control system and other systems.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A digital management and control platform for highway operation management is characterized by comprising a platform layer, an equipment layer, a network layer, a data processing layer and an application layer;
the platform layer is used for carrying a pre-constructed three-dimensional model of the highway, the three-dimensional model of the highway is a data interaction carrier, and the three-dimensional model of the highway is constructed in advance by utilizing a BIM technology, a GIS technology and an oblique photography technology;
the equipment layer comprises a plurality of pieces of equipment and is used for acquiring dynamic data of highway operation management;
the network layer is used for establishing communication with equipment in the equipment layer and uploading the dynamic data of highway operation management to the data processing layer in real time;
the data processing layer is used for processing data and outputting the data to the application layer after receiving the dynamic data of highway operation management;
the application layer is used for managing the use condition of the fixed assets of the expressway, managing pavement diseases, bridge diseases and disease conditions of traffic auxiliary facilities of the expressway, judging a real-time traffic running state, analyzing traffic situation and actively managing and controlling traffic, and managing operation and maintenance of traffic safety facilities and electromechanical facilities according to the data output by the data processing layer.
2. The digital management and control platform for highway operation management according to claim 1, wherein the highway three-dimensional model comprises a route, a roadbed, a pavement, a bridge, a culvert, a tunnel, traffic engineering, facilities along the route and greening building.
3. The digital management and control platform for highway operation management according to claim 1, wherein the dynamic data for highway operation management comprises warehouse entry and exit data of fixed assets, disease identification data of highway pavements and affiliated transportation facilities, traffic data, traffic management and control information, weather condition data and running state data of equipment.
4. The digital management and control platform for highway operation management according to claim 3, wherein the devices in the device layer comprise RFID identification devices, vehicle-mounted cameras, roadside monitoring cameras, millimeter-wave radars, ETC gantries, information boards, meteorological sensors and electromechanical device operation and maintenance intelligent sensors;
the RFID identification equipment is used for dynamically acquiring the in-out database data of the fixed assets;
the vehicle-mounted camera is used for carrying out disease identification on the highway pavement and the attached traffic facilities to acquire disease identification data;
the roadside monitoring camera, the millimeter wave radar and the ETC portal frame are used for dynamically identifying traffic data;
the information board is used for receiving the traffic control information and issuing corresponding traffic control information;
the weather sensor is used for dynamically acquiring weather condition data;
the electromechanical equipment operation and maintenance intelligent sensor is used for sensing the running state of the equipment in real time and acquiring the running state data of the equipment.
5. The digital management and control platform for highway operation management according to claim 4, wherein the vehicle-mounted camera carries a disease identification algorithm to identify diseases on highway pavements and affiliated transportation facilities.
6. The digital management and control platform for highway operation management according to claim 4, wherein the traffic data dynamically identified by the roadside monitoring camera, the millimeter wave radar and the ETC portal comprises traffic volume, vehicle type, vehicle speed and headway.
7. The digital management and control platform for highway operation management according to claim 1, wherein the network layer is configured to establish communication with devices in the device layer through a highway optical fiber network and a mobile 4G/5G network.
8. The digital management and control platform for highway operation management according to claim 1, wherein the data processing layer comprises a multi-source data processing module, a data fusion module and a data output module;
the multi-source data processing module is used for extracting, analyzing and matching the data acquired by different paths;
the data fusion module is used for fusing the processed data;
and the data output module is used for outputting the fused data to the application layer.
9. The digital management and control platform for highway operation management according to claim 1, wherein the application layer comprises a fixed asset management module, an infrastructure management module, an operation scheduling management module and an on-line maintenance module for an electromechanical facility of a traffic and security;
the fixed asset management module is used for managing the use condition of the fixed assets on the highway, including daily management, depreciation management, report statistics and system management of the assets, and managing the increase, decrease, transfer, idling and scrapping of the assets;
the basic facility management and maintenance module is used for managing road surface diseases of the expressway, bridge diseases and diseases of traffic auxiliary facilities, and comprises visual disease display, disease frequent road sections and disease statistical analysis;
the operation scheduling management module is used for judging a real-time traffic operation state by using algorithms such as short-time traffic flow prediction and the like, carrying out future traffic situation analysis according to real-time traffic jam conditions of all road sections, and carrying out active traffic control by adopting an active traffic control strategy;
the on-line maintenance module of the handing-security electromechanical facilities is used for carrying out operation and maintenance management on the handing-security facilities and the electromechanical facilities, and comprises operation and maintenance event grading, operation and maintenance service time and intelligent operation and maintenance early warning.
10. The digital management and control platform for highway operation management according to claim 9, wherein the active traffic management and control strategy comprises a variable speed limit control strategy, a dynamic open emergency lane management and control strategy and a remote induced diversion strategy.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116739531A (en) * | 2023-08-10 | 2023-09-12 | 山东高速集团有限公司创新研究院 | Digital management method and platform for expressway assets |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116739531A (en) * | 2023-08-10 | 2023-09-12 | 山东高速集团有限公司创新研究院 | Digital management method and platform for expressway assets |
| CN116739531B (en) * | 2023-08-10 | 2024-01-26 | 山东高速集团有限公司创新研究院 | Digital management method and platform for expressway assets |
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