CN114529680A - Digital twin channel construction method and system - Google Patents
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Abstract
The invention discloses a method and a system for constructing a digital twin channel, which comprises the following steps: s1, establishing a digital twin scene through a commercial or open source engine for realizing environmental scene simulation; s2, accessing perception data for monitoring scene condition changes; s3, constructing an application scene, which can be used for channel management; wherein the engines of the channel base platform and the channel application platform can be open source or commercial; the method has the advantages that digital twin modeling is carried out on a channel scene, channel ubiquitous sensing data are accessed, professional application is researched and developed by combining channel management, a digital twin channel system is formed, and the method has important significance on strengthening channel operation management and improving channel operation efficiency on the channel operation state in the digital twin scene.
Description
Technical Field
The invention relates to the field of channel operation management, in particular to a digital twin channel construction method and a digital twin channel construction system.
Background
The channel is a ship navigation channel which is specified, set and constructed for ship navigation. The channel management is mainly to manage the running states of the channel, navigation facilities and the like and the water traffic condition formed by the navigation of the ship on the channel, thereby protecting the normal running of the channel and the facilities and ensuring the navigation safety of the ship on the channel. The channel scene has underwater and underwater characteristics, the overwater scene mainly comprises a channel, wading facilities and terrain and landforms along the channel, and the underwater scene mainly comprises channel underwater topography. The channel scene has static and dynamic characteristics, the static elements mainly comprise channels, navigation facilities and terrain and landforms along the line, and the dynamic elements mainly comprise ships, water flows and the like. The method has the advantages that digital twin modeling is carried out on a channel scene, channel ubiquitous sensing data are accessed, professional application is researched and developed by combining channel management, a digital twin channel system is formed, and the method has important significance on strengthening channel operation management and improving channel operation efficiency on the channel operation state in the digital twin scene.
For example, a method and an apparatus for constructing a digital twin scene of an inland waterway disclosed in chinese patent literature, which is disclosed in the publication No.: CN113223162A, discloses management enforcement by three-dimensional construction of channels, but does not take into account the situation management of channel congestion.
Disclosure of Invention
Therefore, the invention provides a digital twin channel construction method and a digital twin channel construction system, which can improve the channel operation management efficiency and ensure the navigation safety of ships.
In order to achieve the above purpose, the invention provides the following technical scheme:
a digital twin channel construction method comprises the following steps:
s1, establishing a digital twin scene through a commercial or open source engine for realizing environmental scene simulation;
s2, accessing perception data for monitoring scene condition changes;
and S3, constructing an application scene, and being capable of being used for channel management.
Preferably, S1 includes S11, building a model of the terrain along the line; s12, modeling an underwater terrain model; s13, modeling a scene bottom plate model; s14, modeling a navigation building model; s15, modeling a ship body model; s2 includes S21, collecting hydrometeorology data; s22, collecting video monitoring data; s23, ship AIS data collection, S24 and electronic card port data collection; s25, phased array radar data collection; s3 includes a base platform set-up and an application platform set-up.
Building a basic platform; s31, building a three-dimensional simulation module; s32, establishing a scene roaming module; s33, a data driving module is set up, wherein the ship AIS data driving digital twin scene state is mainly used for positioning the ship in a digital twin channel scene through accessing the ship AIS data through latitude data, and the AIS positioning data only contain longitude and latitude two-dimensional data and cannot determine the elevation position of the ship. The AIS-based ship three-dimensional data driving algorithm and system mainly fuse a ship AIS database, an inland river electronic channel map and a GIS system, and distribution provides ship longitude and latitude data, ship navigation data, water level, terrain and other geographic information.
Building an application platform; s41, building a congestion index model, calculating a channel congestion index by applying real-time data of an electronic card port, AIS (automatic identification system) real-time data of a ship and phased array radar real-time data accessed by a digital twin channel basic platform, and displaying the channel congestion index through red, yellow and green colors in the integrated environment of the digital twin channel, wherein the congestion index model is responsible for calculating the channel congestion density and the actual density.
A digital twinning channel system, comprising: the integrated scene is used for displaying the integrated scene of the channel; the sensing data access end is used for channel ubiquitous sensing data access; the channel foundation platform is used for providing a channel foundation function; and the channel application platform is used for providing specialized application functions of channel management and service scenes. Wherein the engines of the channel infrastructure platform and the channel application platform can be either open source or commercial. The real scene can be converted into a three-dimensional simulation scene in real time, so that the management is centralized, efficient and convenient.
Preferably, the integrated scene comprises an along-line terrain model, an underwater terrain model, a scene bottom plate model, an aeronautical building model and a ship body model. The whole scene of channel can be displayed, and the channel can be monitored in all directions.
Preferably, the sensing data access end comprises various detection sensing devices for collecting hydrological meteorological data, video monitoring data, ship AIS data, electronic bayonet data and phased array radar data. Channel ubiquitous sensing data access can be obtained, and dynamic elements in channel navigation are monitored.
Preferably, the channel base platform comprises: the system comprises a three-dimensional simulation module, a scene roaming module, a real-time data module and a secondary development module. The software platform for providing channel foundation functions is constructed and developed by adopting a mature digital twin engine and taking the integral integrated scene of a digital twin channel as the basis.
Preferably, the channel application platform comprises an operation monitoring module, a ship density module, a virtual electronic bayonet, a ship image module, a temporary control module, a congestion index module, a facility maintenance module, an emergency plan module, an emergency rescue module and an accident playback module. The method has important significance for combining with channel management research and development professional application to form a digital twin channel system, and strengthening channel operation management and improving channel operation efficiency in a channel operation state under a digital twin scene.
The embodiment of the invention has the following advantages:
the method has the advantages that digital twin modeling is carried out on a channel scene, channel ubiquitous sensing data are accessed, professional application is researched and developed by combining channel management, a digital twin channel system is formed, and the method has important significance on strengthening channel operation management and improving channel operation efficiency on the channel operation state in the digital twin scene.
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In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the invention, and do not limit the limit conditions of the invention, so that the invention has no technical essence, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical contents disclosed in the invention without affecting the efficacy and the achievable purpose of the invention.
FIG. 1 is a system block diagram of an embodiment of the invention.
FIG. 2 is a block diagram of a construction method of the present invention.
In the figure:
1-terrain model along the line; 2-underwater terrain model; 3-scene floor model; 4-aeronautical building model; 5-ship body model; 6-integral integration scenario; 7-channel foundation platform; 8-channel application platform; 9-sense data access.
Detailed Description
While embodiments of the present invention will be described with reference to particular embodiments, those skilled in the art will readily appreciate that the present invention has additional advantages and benefits that may be realized from the teachings herein, and that the embodiments described are only a few, but not all 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 invention.
In a preferred embodiment, as shown in FIGS. 1-2, the present invention discloses
A digital twin channel construction method comprises the following steps:
s1, establishing a digital twin scene through a commercial or open source engine for realizing environmental scene simulation; s11, establishing a terrain model along the route, modeling a landmark building unit along the route, collecting terrain live-action oblique photogrammetry data and processing the data through processing software to produce a terrain three-dimensional live-action model; s12, modeling an underwater terrain model, acquiring channel water depth multi-beam measurement data by a multi-beam water depth measuring instrument, and performing underwater terrain three-dimensional modeling by geographic information system software; s13, modeling a scene floor model, including remote sensing map, topographic map, DEM modeling and editing, wherein the remote sensing map is used as a base map of a large-range scene floor, displays topographic and geomorphic style characteristics and provides an accurate position for a scene building model; the topographic map is used as a base map for large-scale scene floor building batch modeling, and provides the external outline and the floor height of the building for batch modeling; the DEM is used as elevation basic data of a bottom plate of a large-scale scene to provide elevation for three-dimensional terrain modeling of the large-scale scene; and S14, modeling the navigation building model, wherein the navigation building model is a single three-dimensional digital model in three-dimensional modeling software, and the data source of the navigation building model comprises a design drawing of the navigation building and an appearance photo of the building. The digital twin model of the navigation-related building comprises but is not limited to a ship lock digital twin model, an avionic hub digital twin model, a river-crossing bridge digital twin model, a wharf digital twin model, a service area digital twin model and the like. The digital twin model of the navigation building is edited and integrated with the digital twin model of the landform and the landform around the navigation channel and the line, the digital twin model of the underwater landform of the navigation channel and the digital twin model of the bottom plate of the large-scale scene through a digital twin scene editor to form a digital twin scene of the navigation channel; and S15, modeling the ship body model, wherein the ship body model is a single three-dimensional digital model under three-dimensional modeling software, and the data source of the ship body model comprises a ship design drawing and a ship appearance photo. The ship digital twin model includes but is not limited to a bulk carrier digital twin model body, a container ship digital twin model body, a tanker digital twin model body, a passenger ship digital twin model body, etc., and includes but is not limited to a full-load ship digital twin model, a no-load ship digital twin model, etc., under different states of the ship. The ship digital twin model keeps scaling with the geometric dimension of the real ship. The ship digital twin model is edited and integrated with a navigation channel and a terrain and landform digital twin model around the navigation channel, a navigation channel underwater terrain digital twin model and a large-range scene bottom plate digital twin model through a digital twin scene editor to form a navigation channel digital twin scene;
s2, accessing perception data for monitoring scene condition changes; the method comprises the steps of S21, collecting hydrological meteorological data, wherein the hydrological meteorological data comprise channel water level data, channel section flow speed and flow data and meteorological five-parameter data. The water level data is channel real-time water level data measured by a pressure type or radar type water level instrument and used for simulating and restoring channel water level state reality in a digital twin channel integrated scene; the cross section flow velocity and flow of the channel are generally real-time flow velocity and flow data of the cross section of the channel measured by a Doppler flow velocity flowmeter, and are used for simulating the actual situation of the water flow state of an original reduction channel in the integrated scene of the data twin channel; the weather five-parameter data are channel real-time weather data measured by an integrated weather meter, comprise five weather parameters of temperature, humidity, wind direction, wind speed and precipitation and are used for simulating and restoring channel weather state reality in the integrated scene of the digital twin channel; s22, collecting video monitoring data, wherein the video monitoring data are the video monitoring picture data of a fixed visual angle and a variable visual angle of the channel collected by the video monitoring cameras along the channel, and are used for fusing with a digital twin simulation scene in the digital twin channel integrated scene to realize the integrated fusion of virtual and real scenes in the digital twin environment; s23, collecting ship AIS data, wherein the ship AIS data are ship dynamic data collected by a shore-based AIS base station, comprise ship names, ship call signs, ship quasi-real-time position coordinates, other attributes of ships and the like, and are used for dynamically restoring ship positions and ship navigation states on a channel in a digital twin channel integrated scene; s24, collecting electronic bayonet data, wherein the electronic bayonet data are acquired by a channel electronic bayonet system, such as channel section ship flow, ship type, ship size, ship snapshot and the like, and are used for mutual verification with data acquired by a ship AIS and a phased array radar and dynamically reducing the ship navigation state on a channel in a digital twin channel integral scene; s25, phased array radar data collection, wherein the phased array radar data are data such as the number, the position and the speed of the ships collected by the four-side array small-sized phased array radar and are used for dynamically reducing the real-time navigation states such as the number, the position and the speed of the ships on the channel in the digital twin channel integrated scene;
s3, constructing an application scene, which can be used for channel management; the method comprises the steps of building a base platform and building an application platform, wherein the building of the base platform comprises S31 and building a three-dimensional simulation module, wherein the display function of the digital twin channel base platform on the digital twin channel integrated scene comprises the three-dimensional scene simulation of a digital twin model of landform along the channel and the periphery along the channel, an underwater landform digital twin model of the channel, a large-range scene bottom plate digital twin model, a digital twin model of a navigation-related building and a digital twin model of a ship, the simulation modeling of elements including but not limited to the channel, a revetment, a bridge, a navigation mark, a landscape along the channel, a service area, a wharf, a ship and the like, and the model integrated display under the integrated scene of the digital twin channel. Particularly, the vivid three-dimensional scene simulation also comprises water and underwater integrated three-dimensional scene simulation in the digital twin channel integrated scene; s32, a scene roaming module is built, wherein the digital twin channel basic platform provides smooth scene roaming under various visual angles such as channel global browsing, high-altitude follow-flying, ship driving and underwater browsing. Particularly, the fluent scene roaming also comprises the water and underwater integrated three-dimensional scene browsing roaming in the digital twin channel integral integrated scene; and S33, a data driving module is set up, wherein the digital twin channel foundation platform provides an interface and is accessed with various channel perception data, the accessed data comprise but are not limited to hydrological meteorological data, video monitoring data, ship AIS data, electronic bayonet data and phased array radar data, and the accessed various data are used for driving dynamic changes of the digital twin scene state and the model motion state. These data-driven digital twin scene states include, but are not limited to, changes in channel water level, flow rate in channel digital twin scenes, changes in weather conditions, changes in video fusion scenes, changes in ship position, speed, direction of travel, changes in ship number, position, speed on a channel, etc.; the method comprises the following steps that a ship AIS data drive digital twin scene state is mainly accessed into ship AIS data to carry out positioning on a ship in a digital twin channel scene through latitude data, and AIS positioning data only comprise longitude and latitude two-dimensional data, so that the elevation position of the ship cannot be determined. The AIS-based ship three-dimensional data driving algorithm and system mainly fuse a ship AIS database, an inland river electronic channel map and a GIS system, and distribution provides ship longitude and latitude data, ship navigation data, water level, terrain and other geographic information. The ship three-dimensional positioning module is mainly responsible for calculating the ship elevation point, and an algorithm model of the ship three-dimensional positioning module mainly comprises the following steps:
s3311: accessing a digital twin channel platform data set, ship longitude and latitude data, channel longitude and latitude data, a channel water level data set and a channel underwater topography data set;
s3312: determining water surface elevation data of positioning points with different longitudes and latitudes of the channel according to the longitude and latitude data and the water level data of the channel;
s3313: positioning according to the longitude and latitude of the water surface of the channel, and respectively establishing electronic fences for the water surfaces of the channels with the same altitude;
s3314: associating the ship longitude and latitude data with the channel longitude and latitude data on the basis of the longitude and latitude data; establishing a ship elevation data set, and assigning channel water surface elevation data to the ship elevation data set in different electronic fences respectively; and when the ship passes through the electronic fence, switching new channel water surface elevation data and re-assigning values.
S3315: and associating the ship real-time elevation data set and the ship AIS positioning data set with the longitude and latitude data set of the digital twin channel platform and carrying out visual display.
The weather environment changes, and the digital twin channel weather scene changes are mainly driven by accessing open source weather data. The platform weather condition display mainly comprises two states of a flight visual angle and a ship driving visual angle, wherein the platform weather condition display mainly comprises the following steps:
s3321: accessing open source meteorological data, and screening out a place name set;
s3322: determining the longitude and latitude data of the place in the place name set, and positioning on the platform according to the longitude and latitude data;
s3323: establishing electronic fences corresponding to all places respectively according to the location positioning;
s3324: accessing weather condition data corresponding to each place name, and creating different weather scenes according to different weather conditions in respective electronic fences;
s3325: the method comprises the steps of accessing AIS data of a ship, displaying a real-time weather state of a ship driving visual angle according to real-time positioning of the ship, and switching the weather state when the ship runs from one place to another place by taking whether the ship positioning passes through an electronic fence as a judgment condition;
s3326: positioning and displaying real-time weather states in real time according to the flight visual angle, and switching the weather states when the visual angle is switched from one place to another place by taking whether the positioning passes through the electronic fence as a judgment condition;
the application platform building method comprises the steps of S41, building a congestion index model, calculating a channel congestion index by using electronic card port real-time data, ship AIS real-time data and phased array radar real-time data accessed by a digital twin channel foundation platform, and displaying the channel congestion index through red, yellow and green colors in the digital twin channel integral integration environment, wherein the congestion index model is responsible for calculating channel congestion density and actual density.
S411, calculating the possible traffic capacity C of the channel according to the channel condition and the traffic conditionr，
S412, calculating the maximum traffic flow Q of the channel according to the possible traffic capacity of the channelmax，
Wherein, CrAs possible traffic capacity of the channel, (t); q is the maximum traffic flow of the channel, (i.e./h); n is the daily operating coefficient of the channel,
t is the daily navigation hour, (h); v is the rated speed of the ship (km/h); t is annual navigation days; s is the number of ships in a certain channel section at the same time, (a); qCFor rating shipsA load capacity, (t); m is a longitudinal safety coefficient between ships; l isCIs the ship length, (km); w is the average loading capacity of the ship, (t/one); beta is aiThe correction coefficients comprise a correction coefficient of a navigation guarantee period, a correction coefficient of traffic flow arrival unevenness, a correction coefficient of ship navigation speed, a ship navigation resistance reduction coefficient, a large ship correction coefficient and a driver condition correction coefficient.
S413, calculating the channel blocking density k according to the maximum channel traffic flowj，
When in use
When Q is equal to QmaxThat is, the amount of the oxygen present in the gas,
when in use
When is, Qmax＝Vf·ks，
Namely:
wherein, VfThe speed (km/h) is the smooth navigation speed of the ship; k is the ship traffic flow density, (i/km); k is a radical ofjFor channel blockage density, (i/km); k is a radical ofsFor the lane turn density, (i/km).
S414, calculating the real-time density k of the ship in the navigation section according to the ship real-time position information acquired by the ship AIS data acquisition moduleaAcquiring real-time navigational speed V of the ship according to the radar monitoring data modulea，
Wherein m is the number of ships in the measured flight section (i); l is the measured leg length, (km).
S415, according to the channel blocking density kjChannel real time density kaClear navigation speed V of navigation channelfReal-time speed V of navigation channelaDetermining the current congestion state of the channel: when the sailing speed of the ship is reduced to 30% of the smooth speed, the jam begins to occur; when the channel density is not less than the jam density, the channel is severely jammed. Therefore, the channel congestion state is divided into three levels, and the specific indexes and levels are as follows:
the application platform building further comprises:
s42, establishing an operation monitoring module, wherein the channel operation monitoring means that in the digital twin channel integral integration environment, multi-angle and omnibearing browsing observation is carried out on a digital twin channel scene and a channel element model body through the function provided by a digital twin channel basic platform, and real-time information such as channel scene state change information, the number, the position, the speed and the like of a ship digital twin model body is obtained;
s43, constructing a ship density module, wherein the ship density module comprises ship density analysis, namely analyzing the ship distribution density condition of the whole route of the navigation channel in a digital twin navigation channel integrated environment according to the dynamic data of a digital twin model body of the ship through the function provided by a digital twin navigation channel basic platform, and displaying the ship density by using a three-dimensional thermodynamic diagram or performing data statistics on the ship density of each navigation section of the navigation channel by using data;
s44, building a virtual electronic bayonet, wherein the virtual electronic bayonet is set in a digital twin channel scene through the function provided by a digital twin channel basic platform in the digital twin channel integrated environment, and the ship flow at the section position of the virtual bayonet is counted by combining the accessed ship AIS real-time data;
s45, building a ship portrait module, wherein the ship portrait module comprises ship portrait simulation, which means that in the integral integrated environment of a digital twin channel, video monitoring data, electronic card port real-time data, ship AIS real-time data and phased array radar real-time data accessed by the digital twin channel basic platform are analyzed through functions provided by the digital twin channel basic platform, the ship type, the tonnage, the cargo type and the navigation behavior of a ship on the channel are analyzed, and the ship characteristics on the channel are accurately defined;
s46, establishing a temporary control module, wherein the temporary control means that a temporary traffic control measure scheme is set in a digital twin scene of the channel through a function provided by a digital twin channel basic platform in the integral integrated environment of the digital twin channel, and the effect of the temporary traffic control measure is simulated and simulated by combining the accessed hydrological meteorological data, video monitoring data, electronic card port real-time data, ship AIS real-time data and phased array radar real-time data;
s47, a facility maintenance module is set up, wherein the facility maintenance refers to the establishment of a technical ledger for facilities including but not limited to channel water depth, navigation scale, revetment, bridges, docks, ship locks, service areas and the like in a digital twin channel integrated environment through functions provided by a digital twin channel foundation platform, and the dynamic visual management and maintenance of the channel facilities are realized by combining integrated static technical information and dynamic monitoring information of the facilities and recording and binding routing inspection information, detection information and maintenance management plan, design, engineering, information and the like of the facilities;
s48, an emergency plan module, which comprises emergency plan deduction, is used for performing visual simulation corresponding to emergency aid and evaluating the feasibility of a plan through functions provided by a digital twin channel basic platform in a digital twin channel integrated environment and by combining emergency plan data of the emergency channel;
s49, an accident playback module, wherein the accident playback means that in the digital twin channel integral environment, the digital twin channel basic platform provides functions to playback the whole element state of the channel digital twin environment and the digital twin model within a certain time period, and the whole element state is used for replaying, analyzing and judging the water traffic accidents.
A digital twinning channel system, comprising: the integrated scene is used for displaying the integrated scene of the channel; the sensing data access end is used for channel ubiquitous sensing data access; the channel foundation platform is used for providing a channel foundation function; and the channel application platform is used for providing specialized application functions of channel management and service scenes. Wherein the engines of the channel infrastructure platform and the channel application platform can be either open source or commercial. The real scene can be converted into a three-dimensional simulation scene in real time, so that the management is centralized, efficient and convenient.
The integrated scene comprises a terrain model along the line, an underwater terrain model, a scene bottom plate model, an aeronautical building model and a ship body model. The whole scene of channel can be displayed, and the channel can be monitored in all directions.
The sensing data access end comprises various detection sensing devices and is used for collecting hydrological meteorological data, video monitoring data, ship AIS data, electronic bayonet data and phased array radar data. The channel ubiquitous sensing data access can be obtained, and dynamic elements in channel navigation are monitored.
The channel foundation platform includes: the system comprises a three-dimensional simulation module, a scene roaming module, a real-time data module and a secondary development module. The software platform for providing the channel basic function is constructed and developed on the basis of the integrated scene of the digital twin channel by adopting a mature digital twin engine.
The channel application platform comprises an operation monitoring module, a ship density module, a virtual electronic bayonet, a ship image module, a temporary control module, a congestion index module, a facility maintenance module, an emergency plan module, an emergency rescue module and an accident playback module. The method has important significance for combining with channel management research and development professional application to form a digital twin channel system, and strengthening channel operation management and improving channel operation efficiency in a channel operation state under a digital twin scene.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A digital twin channel construction method is characterized by comprising the following steps:
s1, establishing a digital twin scene through a commercial or open source engine for realizing environmental scene simulation;
s2, accessing perception data for monitoring scene condition changes;
and S3, constructing an application scene, and being capable of being used for channel management.
2. The digital twin channel construction method according to claim 1, wherein the S1 includes S11, building a terrain model along the line; s12, modeling an underwater terrain model; s13, modeling a scene bottom plate model; s14, modeling a navigation building model; s15, modeling the ship body model; the S2 comprises S21, collecting the hydrological meteorological data; s22, collecting video monitoring data; s23, ship AIS data collection, S24 and electronic card port data collection; s25, phased array radar data collection; the S3 comprises a foundation platform building and an application platform building.
3. A digital twinning channel system, which is applied to a digital twinning channel construction method according to claims 1 to 2, and which comprises: the integrated scene is used for displaying the integrated scene of the channel; the sensing data access end is used for channel ubiquitous sensing data access; the channel foundation platform is used for providing a channel foundation function; and the channel application platform is used for providing specialized application functions of channel management and service scenes.
4. The digital twin channel system of claim 3 wherein the integrated scene includes an along-the-line terrain model, an underwater terrain model, a scene floor model, an aeronautical building model, and a vessel body model.
5. The digital twin channel system of claim 4 wherein the sensing data access includes a plurality of sensing devices for collecting hydrometeorological data, video surveillance data, vessel AIS data, electronic bayonet data, phased array radar data.
6. A digital twinning channel system as claimed in claim 5, wherein the channel foundation platform comprises: the system comprises a three-dimensional simulation module, a scene roaming module, a real-time data module and a secondary development module.
7. The digital twin channel system as claimed in claim 6, wherein the channel application platform comprises an operation monitoring module, a ship density module, a virtual electronic bayonet, a ship image module, a temporary control module, a congestion index module, a facility maintenance module, an emergency plan module, and an accident playback module.
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| CN115099738A (en) * | 2022-06-09 | 2022-09-23 | 交通运输部水运科学研究所 | Digital twin system of intelligent monitoring platform for dry bulk cargo wharf safety |
| CN115205706A (en) * | 2022-08-17 | 2022-10-18 | 数字太空(北京)科技股份公司 | Remote sensing data acquisition method and device, electronic equipment and computer readable medium |
| CN115497340A (en) * | 2022-09-08 | 2022-12-20 | 中交上海航道勘察设计研究院有限公司 | Inland waterway traffic state holographic sensing system and method |
| CN116912428A (en) * | 2023-09-13 | 2023-10-20 | 中电通途(北京)科技有限公司 | Method and system for realizing digital twin |
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| CN115099738A (en) * | 2022-06-09 | 2022-09-23 | 交通运输部水运科学研究所 | Digital twin system of intelligent monitoring platform for dry bulk cargo wharf safety |
| CN115205706A (en) * | 2022-08-17 | 2022-10-18 | 数字太空(北京)科技股份公司 | Remote sensing data acquisition method and device, electronic equipment and computer readable medium |
| CN115497340A (en) * | 2022-09-08 | 2022-12-20 | 中交上海航道勘察设计研究院有限公司 | Inland waterway traffic state holographic sensing system and method |
| CN116912428A (en) * | 2023-09-13 | 2023-10-20 | 中电通途(北京)科技有限公司 | Method and system for realizing digital twin |
| CN116912428B (en) * | 2023-09-13 | 2024-04-16 | 中电通途(北京)科技有限公司 | Method and system for realizing digital twin |
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