Digital twin channel construction method and system

Abstract

The application discloses a kind of digital twin channel construction method and system, including the following steps: S1, through commercial or open source engine to establish digital twin scene, for realizing environment scene simulation;S2, access sensing data, for monitoring scene condition change;S3, application scene construction, can be used for channel management;Wherein the engine of channel basic platform and channel application platform can be open source or commercial;Channel scene is digitally twinned modeling, access channel ubiquitous sensing data, and combined with channel management research and development professional application, form digital twin channel system, under the scene of digital twinning, to strengthen channel operation management, improve channel operation efficiency has important significance.

Description

Technical Field

[0001] This invention relates to the field of waterway operation management, and in particular to a method and system for constructing a digital twin waterway. Background Technology

[0002] A waterway is a navigation channel defined, established, and constructed for ship navigation. Waterway management mainly focuses on the operational status of the waterway itself and related facilities, as well as the maritime traffic conditions created by ships navigating on the waterway, thereby protecting the normal operation of the waterway and its facilities and ensuring the safety of ship navigation. Waterway scenarios have underwater and surface features. The surface scenario mainly includes the waterway, related facilities, and along-line topography, while the underwater scenario mainly refers to the underwater topography of the waterway. Waterway scenarios also have static and dynamic characteristics. Static elements mainly include the waterway, related facilities, and along-line topography, while dynamic elements mainly include ships and water currents. By creating a digital twin model of the waterway scenario, integrating ubiquitous waterway sensing data, and combining this with the development of specialized applications for waterway management, a digital twin waterway system can be formed. Monitoring the waterway's operational status within this digital twin scenario is crucial for strengthening waterway operation management and improving waterway operational efficiency.

[0003] For example, a method and apparatus for constructing a digital twin scene of an inland waterway, disclosed in Chinese patent literature, with publication number CN113223162A, discloses a method for managing and enforcing the law by constructing the waterway in three dimensions, but does not take into account the management of waterway congestion. Summary of the Invention

[0004] Therefore, this invention provides a digital twin waterway construction method and system to improve waterway operation and management efficiency and ensure ship navigation safety.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A method for constructing a digital twin waterway includes the following steps:

[0007] S1. Build digital twin scenarios using commercial or open-source engines to achieve environmental scenario simulation;

[0008] S2. Access sensing data to monitor changes in scene conditions;

[0009] S3, application scenario construction, can be used for waterway management.

[0010] As a preferred embodiment, S1 includes S11, establishing a terrain model along the route; S12, underwater terrain modeling; S13, scene base plate modeling; S14, navigation-related building modeling; S15, ship hull modeling; S2 includes S21, hydrological and meteorological data collection; S22, video surveillance data collection; S23, ship AIS data collection; S24, electronic checkpoint data collection; S25, phased array radar data collection; S3 includes basic platform construction and application platform construction.

[0011] The basic platform is built, including: S31, the 3D simulation module; S32, the scene roaming module; and S33, the data-driven module. The data-driven digital twin scene status is primarily achieved by accessing latitude and longitude data from the ship's AIS data to locate the ship within the digital twin waterway scene. However, AIS positioning data only provides two-dimensional latitude and longitude data, which cannot determine the ship's elevation position. The AIS-based 3D data-driven algorithm and system for ships mainly integrate the ship AIS database, inland waterway electronic charts, and GIS systems, providing distributed latitude and longitude data, navigation data, and geographic information such as water level and terrain.

[0012] Application platform construction includes the construction of S41 and congestion index models. The system utilizes real-time data from electronic checkpoints, ship AIS, and phased array radar accessed through the digital twin waterway infrastructure platform to calculate the waterway congestion index. This index is then displayed in the overall integrated environment of the digital twin waterway using three colors: red, yellow, and green. The congestion index model is responsible for calculating the waterway blockage density and the actual blockage density.

[0013] A digital twin waterway system includes: an integrated scene for displaying the overall waterway scene; a sensing data access terminal for receiving ubiquitous sensing data from the waterway; a waterway infrastructure platform for providing basic waterway functions; and a waterway application platform for providing specialized application functions for waterway management and service scenarios. The engines of the waterway infrastructure platform and the waterway application platform can be open-source or commercial. It can convert real-world scenes into 3D simulation scenes in real time, enabling centralized, efficient, and convenient management.

[0014] As a preferred option, the overall integrated scene includes a terrain model along the waterway, an underwater terrain model, a scene base model, a model of navigation-related structures, and a ship hull model. It can display the entire waterway scene and provide comprehensive monitoring of the waterway.

[0015] Preferably, the sensing data access terminal includes various detection and sensing devices for collecting hydrological and meteorological data, video surveillance data, ship AIS data, electronic checkpoint data, and phased array radar data. This enables ubiquitous sensing data access for the waterway, allowing for the monitoring of dynamic elements during navigation.

[0016] As a preferred option, the waterway infrastructure platform includes: a 3D simulation module, a scene roaming module, a real-time data module, and a secondary development module. It utilizes a mature digital twin engine and is based on a fully integrated digital twin waterway scenario to build and develop a software platform that provides fundamental waterway functions.

[0017] As a preferred option, the waterway application platform includes modules for operation monitoring, vessel density, virtual electronic checkpoints, vessel profiling, temporary control, congestion index, facility maintenance, emergency plans, emergency rescue, and accident playback. Combining this with professional applications for waterway management research and development to form a digital twin waterway system, monitoring waterway operation status within a digital twin scenario is of great significance for strengthening waterway operation management and improving waterway operational efficiency.

[0018] The embodiments of the present invention have the following advantages:

[0019] By creating a digital twin model of the waterway scenario, integrating ubiquitous waterway sensing data, and combining this with specialized applications for waterway management, a digital twin waterway system can be formed. Monitoring the waterway's operational status within this digital twin scenario is of great significance for strengthening waterway operation management and improving waterway operational efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in this invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without any creative effort.

[0021] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0022] Fig. 1 This is a system block diagram of an embodiment of the present invention.

[0023] Fig. 2 This is a block diagram of the construction method of the present invention.

[0024] In the picture:

[0025] 1-Roadside terrain model; 2-Underwater terrain model; 3-Scene base plate model; 4-Navigation-related building model; 5-Ship hull model; 6-Overall integrated scene; 7-Waterway basic platform; 8-Waterway application platform; 9-Perception data access terminal. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0027] like Figs. 1-2 As shown, in a preferred embodiment, the present invention discloses...

[0028] A method for constructing a digital twin waterway includes the following steps:

[0029] S1. Establish digital twin scenes using commercial or open-source engines to achieve environmental scene simulation; this includes: S11. Establishing a terrain model along the route, modeling individual landmark buildings along the waterway, collecting topographic oblique photogrammetry data, and processing it with processing software to produce a 3D topographic model; S12. Underwater terrain modeling, collecting multibeam bathymetry data of waterway depth, and performing 3D underwater terrain modeling using geographic information system software; S13. Scene base modeling, including remote sensing maps, topographic maps, and DEM modeling and editing. The remote sensing map serves as the base map for a large-scale scene, displaying topographic features and providing precise locations for scene building models; the topographic map serves as the base map for batch modeling of buildings on the large-scale scene, providing building outlines and floor heights; the DEM serves as the elevation base data for the large-scale scene, providing elevation data for large-scale 3D terrain modeling; S14. Navigation-related building modeling, where the navigation-related building model is a single 3D digital model created using 3D modeling software, with data sources including navigation-related building design drawings and exterior photographs. Digital twin models of navigation-related structures include, but are not limited to, digital twin models of locks, navigation and power hubs, cross-river bridges, wharves, and service areas. These digital twin models are integrated with digital twin models of the waterway and its surrounding topography, underwater topography, and large-scale scene base plates through a digital twin scene editor to form a waterway digital twin scene. S15. Ship hull modeling: The ship hull model is a single 3D digital model created using 3D modeling software. Its data sources include ship design drawings and photographs of the ship's exterior. Ship digital twin models include, but are not limited to, digital twin models of bulk carriers, container ships, oil tankers, and passenger ships, including, but not limited to, digital twin models of fully loaded and empty ships in different states. The ship digital twin models are scaled proportionally to the geometric dimensions of the actual ships. The ship digital twin model is edited and integrated with the digital twin model of the waterway and surrounding terrain, the digital twin model of the underwater terrain of the waterway, and the digital twin model of the large-scale scene base plate through the digital twin scene editor to form a waterway digital twin scene;

[0030] S2. Access sensing data for monitoring changes in scene conditions; including S21. Hydrological and meteorological data collection, which includes waterway water level data, waterway cross-sectional flow velocity and flow rate data, and meteorological five-parameter data. Water level data is generally real-time water level data of the waterway measured by pressure or radar level gauges, used to simulate and recreate the actual water level status of the waterway in the overall integrated scenario of the digital twin waterway; waterway cross-sectional velocity and flow rate are generally real-time flow velocity and flow rate data of the waterway cross-section measured by Doppler velocity and flow meters, used to simulate and recreate the actual water flow status of the original waterway in the overall integrated scenario of the digital twin waterway; meteorological five-parameter data are generally real-time meteorological data of the waterway measured by an integrated meteorological instrument, including five meteorological parameters: temperature, humidity, wind direction, wind speed, and precipitation, used to simulate and recreate the actual meteorological status of the waterway in the overall integrated scenario of the digital twin waterway; S22, video surveillance data collection, where video surveillance data is video surveillance footage of the waterway from fixed and variable angles collected by video surveillance cameras along the waterway, used to integrate with the digital twin simulation scenario in the overall integrated scenario of the digital twin waterway, realizing the integrated fusion of virtual and real scenes in the digital twin environment; S23 S24. Ship AIS data collection: Ship AIS data is dynamic data of ships collected by shore-based AIS base stations, including ship name, ship call sign, near real-time position coordinates, and other ship attributes. This data is used to dynamically reconstruct the ship positions and navigation status on the waterway in the overall integrated scenario of the digital twin waterway. S25. Electronic checkpoint data collection: Electronic checkpoint data is data on ship flow, ship type, ship size, and captured images at the waterway cross-section collected by the waterway electronic checkpoint system. This data is used to cross-verify with data collected by ship AIS and phased array radar, jointly reconstructing the ship navigation status on the waterway in the overall integrated scenario of the digital twin waterway. S26. Phased array radar data collection: Phased array radar data is data on the number, position, and speed of ships collected by a four-sided small phased array radar. This data is used to dynamically reconstruct the real-time navigation status of ships on the waterway in the overall integrated scenario of the digital twin waterway.

[0031] S3. Application Scenario Construction: This can be used for waterway management. It includes the construction of a basic platform and an application platform. The basic platform construction includes: S31. 3D Simulation Module Construction: The digital twin waterway basic platform provides the display function of the overall integrated scene of the digital twin waterway. This includes 3D scene simulation of digital twin models of the waterway and surrounding terrain, underwater terrain, large-scale scene base, navigation-related structures, and ship digital twin models. It also includes simulation modeling of elements such as waterways, revetments, bridges, navigation signs, riverside landscapes, service areas, wharves, and ships, as well as integrated model display within the overall integrated scene of the digital twin waterway. Notably, the realistic 3D scene simulation also includes integrated 3D scene simulation of the waterway above and below the surface within the overall integrated scene of the digital twin waterway. S32. Scene Roaming Module Construction: The digital twin waterway basic platform provides smooth scene roaming from multiple perspectives, including global waterway browsing, high-altitude flight tracking, ship navigation, and underwater browsing. It is particularly noteworthy that smooth scene roaming also includes integrated 3D scene browsing and roaming on and under the water in the overall integrated scene of the digital twin waterway; S33, data-driven module construction, in which the digital twin waterway basic platform provides interfaces to access various waterway sensing data, including but not limited to hydrological and meteorological data, video surveillance data, ship AIS data, electronic checkpoint data, and phased array radar data, and uses the accessed data to drive the dynamic changes of the digital twin scene state and the model's motion state. These data-driven digital twin scene states include, but are not limited to, changes in water level, flow velocity, and flow rate in the waterway digital twin scene, changes in meteorological environment, changes in video fusion scene, changes in ship position, speed, and navigation direction, and changes in the number, position, and speed of ships on the waterway, etc.; including, ship AIS data-driven digital twin scene state mainly uses the latitude and longitude data in the ship AIS data to locate ships in the digital twin waterway scene, but AIS positioning data only has two-dimensional latitude and longitude data, which cannot determine the ship's elevation position. The AIS-based ship 3D data-driven algorithm and system primarily integrates the ship AIS database, inland waterway electronic navigation charts, and GIS systems, providing distributed data including ship latitude and longitude, navigation data, water level, and topographic information. The ship 3D positioning module is mainly responsible for calculating the ship's elevation point, and its algorithm model mainly consists of the following steps:

[0032] S3311: Access the digital twin waterway platform dataset, including ship latitude and longitude data, waterway latitude and longitude data, waterway water level dataset, and waterway underwater topography dataset;

[0033] S3312: Determine the water surface elevation data of different latitude and longitude positioning points of the waterway based on the latitude and longitude data and water level data of the waterway;

[0034] S3313: Based on the latitude and longitude of the waterway surface, establish electronic fences for waterways at the same elevation.

[0035] S3314: Based on latitude and longitude data, associate the latitude and longitude data of ships with the latitude and longitude data of waterways; establish a ship elevation dataset, and assign waterway surface elevation data to the ship elevation dataset within different electronic fences; when a ship passes through an electronic fence, switch to new waterway surface elevation data and reassign the data.

[0036] S3315: Associate and visualize the real-time elevation dataset and AIS positioning dataset of ships with the latitude and longitude dataset of the digital twin waterway platform.

[0037] The changes in meteorological environment are primarily driven by accessing open-source meteorological data, which in turn alters the weather scenarios in the digital twin waterway assessment. The platform's weather display is divided into two main perspectives: flight view and ship navigation view. The platform's weather display process involves the following steps:

[0038] S3321: Access open-source meteorological data and filter out a set of location names;

[0039] S3322: Determine the latitude and longitude data of the locations in the set of location names, and perform positioning on the platform based on the latitude and longitude data;

[0040] S3323: Based on location positioning, establish electronic fences for each corresponding location;

[0041] S3324: Access the weather data corresponding to each location name, and create different weather scenarios within their respective electronic fences based on different weather conditions;

[0042] S3325: Access the ship's AIS data, display the real-time weather status from the ship's driving perspective based on the ship's real-time positioning, and switch the weather status when the ship moves from one location to another, based on whether the ship's positioning passes through an electronic fence.

[0043] S3326: Real-time weather status is displayed based on the flight perspective, and the weather status is switched when the viewpoint is switched from one location to another, based on whether the location passes through an electronic fence.

[0044] The application platform construction includes the construction of S41 and the congestion index model. It uses real-time data from electronic checkpoints, ship AIS, and phased array radar accessed by the digital twin waterway basic platform to calculate the waterway congestion index, which is displayed in the overall integrated environment of the digital twin waterway using three colors: red, yellow, and green. The congestion index model is responsible for calculating the waterway blockage density and the actual density.

[0045] S411. Calculate the possible traffic capacity of the waterway based on waterway conditions and traffic conditions. r ,

[0046]

[0047] S412. Calculate the maximum traffic flow Q of the waterway based on its potential capacity. max ,

[0048]

[0049] Among them, C r Let be the channel's potential traffic capacity (t); Q be the channel's maximum traffic flow (ships / hour); and n be the channel's daily operating coefficient. t represents daily navigation hours (h); V represents the rated speed of the vessel (km / h); T represents the annual number of navigation hours; S represents the number of vessels simultaneously located at a certain channel section (ships); Q C L is the rated deadweight of the vessel (t); m is the longitudinal safety factor between vessels; C β is the length of the ship (km); W is the average deadweight of the ship (t / ship); i These are correction factors, including correction factors for navigation guarantee period, traffic flow unevenness, ship speed, ship resistance reduction, large ship, and pilot condition.

[0050] S413. Calculate the channel congestion density k based on the maximum traffic flow of the channel. j ,

[0051]

[0052] when When, Q = Q max ,Right now,

[0053]

[0054] when At that time, Q max =V f ·k s ,

[0055] Right now:

[0056] Among them, V f k represents the ship's free-flowing speed (km / h); k represents the ship traffic density (ships / km); k j Channel congestion density, (ships / km); k s The density of waterway turns (ships / km).

[0057] S414. Based on the real-time position information of ships collected by the ship AIS data acquisition module, calculate the real-time ship density k within the navigation segment. a The ship's real-time speed V is obtained from the radar monitoring data module. a ,

[0058]

[0059] Where m is the number of ships in the measured section (ships); l is the length of the measured section (km).

[0060] S415, Based on the channel blockage density k j Real-time channel density k a Smooth navigation in the waterway with a speed of V f Real-time speed of navigation in the channel V a Determining the current congestion status of a waterway: Congestion begins when ship speed drops to 30% of free-flowing speed; severe congestion occurs when the waterway density is not less than the blockage density. Therefore, waterway congestion is classified into three levels, with specific indicators and levels as follows:

[0061]

[0062] Application platform development also includes:

[0063] S42. Construction of the operation monitoring module. Among them, waterway operation monitoring refers to the multi-angle and all-round browsing and observation of the digital twin waterway scene and waterway element model body through the functions provided by the digital twin waterway basic platform in the overall integrated environment of digital twin waterway, and obtaining real-time information such as waterway scene status change information, number, position, speed, etc. of ship digital twin model bodies.

[0064] S43. Ship density module construction, including ship density analysis, refers to the analysis of the ship distribution density along the entire waterway in the digital twin waterway integrated environment, based on the dynamic data of the ship digital twin model, using the functions provided by the digital twin waterway basic platform, and displaying the ship density using a three-dimensional heat map, or using data to statistically analyze the ship density of each section of the waterway.

[0065] S44. Virtual electronic checkpoint setup: Virtual electronic checkpoint refers to setting up a virtual electronic checkpoint in the digital twin waterway scenario through the functions provided by the digital twin waterway basic platform in the overall integrated environment of the digital twin waterway, and combining the accessed real-time ship AIS data to count the ship traffic at the virtual checkpoint section location.

[0066] S45. Ship profiling module construction, including ship profiling simulation, refers to the analysis of ship type, tonnage, cargo type and navigation behavior of ships on the waterway in the overall integrated environment of the digital twin waterway, through the functions provided by the digital twin waterway basic platform, and through the video surveillance data, electronic checkpoint real-time data, ship AIS real-time data and phased array radar real-time data accessed by the digital twin waterway basic platform, to accurately define the characteristics of ships on the waterway;

[0067] S46. Temporary traffic control module construction. Temporary traffic control refers to setting up temporary traffic control measures in the digital twin waterway scenario through the functions provided by the digital twin waterway basic platform in the overall integrated environment of the digital twin waterway. Combined with accessed hydrological and meteorological data, video surveillance data, real-time data of electronic checkpoints, real-time data of ship AIS, and real-time data of phased array radar, the effect of temporary traffic control measures is simulated.

[0068] S47. Facility maintenance module construction. Facility maintenance refers to the establishment of technical ledgers for facilities including but not limited to waterway depth, navigation dimensions, revetments, bridges, wharves, locks, and service areas in the digital twin waterway integrated environment through the functions provided by the digital twin waterway basic platform. This is achieved by combining the integrated static technical information and dynamic monitoring information of the facilities, and inputting and binding the facility inspection information, testing information, and maintenance management plans, designs, engineering, and other information to realize dynamic and visual management and maintenance of waterway facilities.

[0069] S48, Emergency Response Plan Module, which includes Emergency Response Plan Simulation, refers to the use of the functions provided by the digital twin waterway basic platform in the overall integrated environment of the digital twin waterway, combined with emergency waterway emergency response plan data, to conduct visual simulation of emergency rescue and evaluate the feasibility of the plan.

[0070] S49. Accident Replay Module: Accident replay refers to the ability to replay the full-element status of the digital twin environment and digital twin model of the waterway within a certain period of time in the overall integrated environment of the digital twin waterway, through the functions provided by the digital twin waterway basic platform, for the purpose of replaying and analyzing maritime traffic accidents.

[0071] A digital twin waterway system includes: an integrated scene for displaying the overall waterway scene; a sensing data access terminal for receiving ubiquitous sensing data from the waterway; a waterway infrastructure platform for providing basic waterway functions; and a waterway application platform for providing specialized application functions for waterway management and service scenarios. The engines of the waterway infrastructure platform and the waterway application platform can be open-source or commercial. It can convert real-world scenes into 3D simulation scenes in real time, enabling centralized, efficient, and convenient management.

[0072] The integrated scene includes a terrain model along the waterway, an underwater terrain model, a scene base model, a model of navigation-related structures, and a ship hull model. It can display the entire waterway scene and provide comprehensive monitoring of the waterway.

[0073] The sensing data access terminal includes various detection and sensing devices used to collect hydrological and meteorological data, video surveillance data, ship AIS data, electronic checkpoint data, and phased array radar data. It can obtain ubiquitous sensing data access for waterways, monitoring dynamic elements during navigation.

[0074] The waterway infrastructure platform includes: a 3D simulation module, a scene roaming module, a real-time data module, and a secondary development module. It utilizes a mature digital twin engine and is based on a fully integrated digital twin waterway scene to build and develop a software platform that provides fundamental waterway functions.

[0075] The waterway application platform includes modules for operation monitoring, vessel density, virtual electronic checkpoints, vessel profiling, temporary control, congestion index, facility maintenance, emergency plans, emergency rescue, and accident playback. It is of great significance for combining waterway management with professional applications to form a digital twin waterway system. Monitoring waterway operation status within a digital twin scenario is crucial for strengthening waterway operation management and improving waterway operational efficiency.

[0076] Although the present invention has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A method for constructing a digital twin waterway, characterized in that, Includes the following steps: S1. Build digital twin scenarios using commercial or open-source engines to achieve environmental scenario simulation; S2. Access sensing data to monitor changes in scene conditions; S3. Application scenario construction for waterway management, including basic platform construction and application platform construction. The basic platform construction includes a ship three-dimensional positioning module. The application platform construction includes a congestion index model construction. The congestion index model is responsible for calculating the waterway congestion density and actual density. The waterway congestion index is calculated by applying real-time data from electronic checkpoints, ship AIS, and phased array radar accessed by the digital twin waterway basic platform. The ship three-dimensional positioning module includes: Access data from the digital twin waterway platform; Based on the latitude and longitude data and water level data of the waterway, determine the water surface elevation data of different latitude and longitude positioning points of the waterway; Based on the latitude and longitude of the waterway surface, electronic fences are established for waterways at the same elevation. Based on latitude and longitude data, the latitude and longitude data of ships are associated with the latitude and longitude data of waterways; a ship elevation dataset is established, and waterway surface elevation data are assigned to the ship elevation dataset within different electronic fences; when a ship passes through an electronic fence, the new waterway surface elevation data is switched and reassigned. The real-time elevation dataset and AIS positioning dataset of ships are linked with the latitude and longitude dataset of the digital twin waterway platform and then visualized.

2. The method for constructing a digital twin waterway according to claim 1, characterized in that, S1 includes S11, establishing a terrain model along the route; S12. Underwater terrain modeling; S13, Scene base model modeling; S14. Modeling of aviation-related buildings; S15. Ship hull modeling; S2 includes S21, hydrological and meteorological data collection; S22. Video surveillance data collection; S23, Ship AIS data collection; S24, Electronic checkpoint data collection; S25, Phased array radar data collection; S3 includes the construction of the basic platform and the application platform.

3. A digital twin waterway system, applicable to the digital twin waterway construction method as described in any one of claims 1 to 2, characterized in that, include: The overall integrated scene is used to display the overall scene of the waterway; the sensing data access terminal is used for ubiquitous sensing data access of the waterway. A waterway infrastructure platform is used to provide basic waterway functions; The waterway application platform is used to provide specialized application functions for waterway management and service scenarios. The waterway application platform includes a congestion index module, which is used to calculate the waterway congestion density and actual density. The platform weather condition display is mainly divided into two states: flight view and ship navigation view. The platform weather condition display mainly involves the following steps: S3321: Access open-source meteorological data and filter out a set of location names; S3322: Determine the latitude and longitude data of the locations in the set of location names, and perform positioning on the platform based on the latitude and longitude data; S3323: Based on location positioning, establish electronic fences for each corresponding location; S3324: Access the weather data corresponding to each location name, and create different weather scenarios within their respective electronic fences based on different weather conditions; S3325: Access the ship's AIS data, display the real-time weather status from the ship's driving perspective based on the ship's real-time positioning, and switch the weather status when the ship moves from one location to another, based on whether the ship's positioning passes through an electronic fence. S3326: Real-time weather status is displayed based on the flight perspective, and the weather status is switched when the viewpoint is switched from one location to another, based on whether the location passes through an electronic fence.

4. A digital twin waterway system according to claim 3, characterized in that, The overall integrated scene includes a terrain model along the route, an underwater terrain model, a scene base model, a navigation-related building model, and a ship hull model.

5. A digital twin waterway system according to claim 4, characterized in that, The sensing data access terminal includes a variety of detection and sensing devices for collecting hydrological and meteorological data, video surveillance data, ship AIS data, electronic checkpoint data, and phased array radar data.

6. A digital twin waterway system according to claim 5, characterized in that, The waterway infrastructure platform includes: a 3D simulation module, a scene roaming module, a real-time data module, and a secondary development module.

7. A digital twin waterway system according to claim 6, characterized in that, The waterway application platform includes modules for operation monitoring, vessel density, virtual electronic checkpoints, vessel profiling, temporary control, congestion index, facility maintenance, emergency response plans, and accident playback.

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