CN116385680A - Three-dimensional immersive dam safety monitoring method and system based on UE technology - Google Patents
Three-dimensional immersive dam safety monitoring method and system based on UE technology Download PDFInfo
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Abstract
The invention discloses a three-dimensional immersive dam safety monitoring method and system based on a UE technology. The dam safety monitoring application system comprises safety monitoring visualization, safety monitoring inspection, safety monitoring analysis and safety monitoring early warning. The invention aims to strengthen engineering safety visualization based on a digital twin base on the basis of a traditional reservoir dam safety monitoring system, improve disaster early warning capability, realize three-dimensional visualization of engineering, controllable state checking, guard a safety bottom line and ensure comprehensive benefits of reservoirs.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering operation management, in particular to a three-dimensional immersive dam safety monitoring method and system based on a UE (illusive engine) technology.
Background
The reservoir dam is an important infrastructure of national economy, and is an important engineering measure for regulating and controlling water resource space-time distribution and optimizing water resource allocation. The construction of the water conservancy and hydropower engineering is a great measure for transforming nature and developing and utilizing water resources, and can bring great economic and social benefits to society.
However, with the development of economy and society, the process of urban treatment is accelerated, population and property are highly concentrated, and the compact economic structure has a fragile side and is difficult to bear the influence of the failure of hydraulic and hydroelectric engineering facilities. As one of basic industries of national economy, the working property of the hydraulic and hydroelectric engineering is abnormal, so that the economic benefit can be directly influenced, and once the engineering is lost, huge life and property loss and artificial disasters are brought to society, and even social problems and environmental problems can be formed when serious. Therefore, water engineering safety is highly emphasized from global interests such as society, environment, economy and the like. For large-scale and complex hydraulic and hydroelectric engineering, besides timely and effective engineering measures, a perfect and advanced safety monitoring system is arranged, monitoring facilities are buried in time for monitoring, monitoring results are analyzed and fed back in time, and the hydraulic and hydroelectric engineering is an important guarantee for engineering safety construction and dynamic design.
The dam safety monitoring system has various data display forms, and in the existing dam safety monitoring system, the problems that one-dimensional data chart display is not visual enough, two-dimensional plane display lacks space third dimension, and simple three-dimensional display is low in fineness are solved, so that the requirement of dam safety monitoring fine management cannot be met.
Aiming at the problems of low scene display level and insufficient fine management capability of the traditional dam safety monitoring system, the invention discloses a three-dimensional immersive dam safety monitoring method and system based on a UE technology.
Disclosure of Invention
The invention provides a three-dimensional immersive dam safety monitoring method and system based on a UE technology, which are provided with the advantages of strengthening engineering safety visualization on the basis of a traditional reservoir dam safety monitoring system, improving disaster early warning capability, realizing three-dimensional visualization of engineering, controllable state, guarding a safety bottom line and guaranteeing comprehensive benefits of a reservoir, and solve the problems that one-dimensional data chart display is not visual enough, two-dimensional plane display lacks space stereoscopic impression, simple three-dimensional display fineness is low, and dam safety monitoring refined management requirements cannot be met in the prior art.
The invention provides the following technical scheme: a three-dimensional immersive dam safety monitoring method based on UE technology,
the method comprises the following steps:
firstly, sensing dam safety monitoring element data by using monitoring equipment, transmitting the dam safety monitoring element data obtained by sensing the monitoring equipment to a data platform by using a communication link, and finally storing the dam safety monitoring element data transmitted by the communication link into a standard database table in the data platform;
analyzing dam design data and historical monitoring data, setting a dam safety early warning threshold value, and comparing and analyzing the dam safety monitoring element data obtained in the step one with a preset dam safety early warning threshold value to obtain a dam safety monitoring early warning result;
restoring a real topography by using DEM (digital elevation model) data and point cloud data, superposing satellite remote sensing images to restore the real topography, importing a BIM model and matching with sensing monitoring information, and manufacturing PBR materials by using oblique photographing information and live-action photographing information;
and step four, combining the step one to the step three, and constructing a scene by using a UE engine to form a three-dimensional immersive dam safety monitoring application system of the high-simulation virtual watershed scene fused with the GIS, the elevation and the BIM models.
The specific flow of the first step is as follows:
(1) Sensing dam safety monitoring element data by using monitoring equipment, wherein the dam safety monitoring element data comprises five categories of environment quantity, deformation, seepage, stress strain and earthquake;
(2) Transmitting dam safety monitoring element data obtained through sensing of monitoring equipment to a data platform by utilizing a communication link;
(3) And storing the monitoring element data transmitted through the communication link into a standard database table in the data platform, wherein the database table comprises a monitoring station information base, a monitoring equipment information base, a monitoring inspection route base and a monitoring time sequence database.
The third specific flow is as follows:
(1) The elevation data of the scene topography is obtained through the DEM data and the point cloud data to restore the real topography;
(2) Accurately acquiring satellite remote sensing images according to the real geographic range data to endow the topography with real topography;
(3) Importing a dam model and an equipment model, and transmitting BIM model data information into the three-dimensional scene and matching with sensing monitoring information by establishing a data link interface between the three-dimensional scene and the BIM model;
(4) According to professional oblique photography mapping model information and live-action shooting information, producing PBR materials in a three-dimensional scene;
(5) Integrating the materials obtained in the steps (1) to (5), and constructing a scene by using a UE engine to form a high-simulation digital twin dam scene integrating GIS (geographic information system), elevation and BIM (building information model) models.
The three-dimensional immersive dam safety monitoring system based on the UE technology comprises a cloud platform;
the cloud platform comprises a monitoring data sensing module, a monitoring early warning analysis module and a digital twin scene construction module based on UE;
the monitoring data sensing module is used in the first method step;
the monitoring early warning analysis module is used in the second method step;
the digital twin scene construction module based on the UE is used in the third method step.
The system also comprises a dam safety monitoring application system;
the dam safety monitoring application system comprises safety monitoring visualization, safety monitoring inspection, safety monitoring analysis and safety monitoring early warning.
The system supports the self-defining configuration of the three-dimensional position information and the view angle information of each measuring point in a visual scene based on the view angle configuration function of the view line three-dimensional scene in the digital twin scene construction module of the UE;
wherein the three-dimensional location information includes longitude, latitude, and altitude;
the viewing angle information includes viewing angle and distance information;
the security monitoring visualization comprises a real scene module and a digital scene mode, and the real scene module and the digital scene module can be manually switched or set time for switching display.
The invention discloses a three-dimensional immersive dam safety monitoring method and system based on a UE technology, and further comprises a dam safety monitoring application system, wherein the dam safety monitoring application system comprises safety monitoring visualization, safety monitoring inspection, safety monitoring analysis and safety monitoring early warning.
In the aspect of safety monitoring visualization, based on reservoir automation safety monitoring data, manual monitoring, external environment quantity, daily inspection and meteorological information are combined, and monitoring elements related to engineering safety are comprehensively displayed, data query statistics and data analysis are carried out, wherein the engineering safety monitoring elements comprise five categories of environment quantity, deformation, seepage, stress strain and earthquake. In the mesoscopic scene, based on a three-dimensional visualization model of the reservoir dam, the positions, the values and the like of the three-dimensional space of various safety monitoring data are displayed, and a user can inquire the monitoring data process line by clicking the labeling measuring point and can also inquire the historical data in a self-defined time period. Under a microscopic scene, according to the observation distance of service requirements, twin mapping is carried out on monitoring equipment, pipelines and the like according to actual conditions, and detailed positions and monitoring values of all measuring points in the dam are displayed in an immersed mode. Meanwhile, a three-dimensional scene view angle configuration function of the safety monitoring point is developed, the three-dimensional position information (longitude, latitude and height) and view angle information (observation angle and distance) of each point are subjected to self-defined configuration under a visual scene, and the optimal display of the position and view angle of each point is ensured. In addition, switching between real scene and digital scene presentation modes is supported. The real scene is constructed based on reservoir dam BIM and reservoir area oblique photography modeling results, and the real scene is restored to the greatest extent; the digital scene realizes the transparent display of the reservoir dam and surrounding mountain bodies, and is convenient for clearly seeing the safety monitoring points and monitoring conditions buried in the dam and the mountain bodies.
In the aspect of safety monitoring inspection, on the basis of safety monitoring visualization, aiming at all monitoring points of a certain monitoring element under a certain type, automatic inspection can be performed through a configured sequence and a configured visual angle, and real-time information of dam safety monitoring on a fixed inspection route is displayed.
In the aspect of safety monitoring analysis, safety monitoring data is displayed in a thermodynamic diagram mapping mode on the surface, a section or a point cloud model of a reservoir dam. Thermodynamic mapping may exhibit smooth color chart variations, also supporting the partitioning of contours according to a range of values. The data with different time sequences can be loaded, and the numerical value change process can be displayed according to the time sequence change. In the aspect of qualitative analysis of monitoring data, the method is mainly based on analysis methods such as a mapping method, a comparison method and a characteristic value statistical method. For safety monitoring data, the historical change rule of the measured value is qualitatively analyzed by drawing a process line and a distribution diagram, counting the highest and lowest historical values of the measured value and the environmental quantity when the extreme value occurs. Drawing different process lines according to the monitoring items, selecting corresponding coordinates and monitoring data, displaying the process lines of a plurality of measuring points at the same time, and superposing environmental quantity data on a process line graph; and (3) displaying and analyzing the distribution condition of the dam safety monitoring measured value at a certain moment by constructing a distribution diagram. And supporting the display of a specified time period, and supporting the switching and the export of the chart and the table.
In the aspect of safety monitoring and early warning, based on a digital strong seismograph arranged in reservoir installation, the relation between vibration intensity change and indexes such as stress, displacement, acceleration and the like is associated and analyzed, the safety alarm level is corrected, and dam earthquake safety alarm is carried out on a digital twin base. In terms of vibration intensity correlation analysis, time period inquiry and process line display of historical vibration intensity values of reservoirs are provided. And (3) counting and displaying the highest historical value and the average value of the vibration intensity of the reservoir, simultaneously associating and displaying monitoring indexes such as stress, displacement and acceleration, judging whether the current vibration intensity causes deformation, sliding, cracking, water leakage and the like of the dam, marking the conditions that the vibration intensity suddenly changes and other safety monitoring indexes are abnormal at the same time, and recording marking information. In addition, according to the historical anomaly labeling information, the earthquake safety alarm level of the dam can be set. The user can inquire and analyze the existing vibration data and monitoring data such as stress, displacement, acceleration and the like, check the history marking information, correct the vibration intensity value corresponding to the dam earthquake safety alarm level and upload the vibration intensity value. Finally, based on the three-dimensional model, the system can give an alarm in time at the vibration intensity measuring point according to the uploaded alarm level, display the current vibration intensity and the current alarm level, and avoid larger secondary disasters. And the early warning of the monitoring data is provided through the existing monitoring data and the information such as rainfall, temperature and the like released by the outside. Based on the existing rainfall, water level and other environmental quantity data, the influence of the rainfall, water level and other environmental quantity data on the safety of the dam is judged through the existing mathematical model. Meanwhile, a monitoring item threshold setting function is provided, the early warning threshold is automatically divided through a history extremum and a history average value, a user can also carry out self-defined setting on the early warning threshold, and the monitoring item exceeding the early warning value is alarmed. In the aspect of early warning information transmission, important operation information of the reservoir and safety early warning information of the dam are automatically pushed and released. The information release range mainly comprises reservoir internal management personnel, related staff and the like, and ensures that information can be timely and accurately notified to people.
The invention has the following beneficial effects:
1. according to the three-dimensional immersive dam safety monitoring method and system based on the UE technology, engineering safety visualization is enhanced on the basis of a traditional reservoir dam safety monitoring system, disaster early warning capability is improved, three-dimensional engineering visualization is realized, the state is controllable, a safety bottom line is guarded, and comprehensive benefits of reservoirs are guaranteed.
2. According to the three-dimensional immersive dam safety monitoring method and system based on the UE technology, based on the traditional dam safety monitoring system data sensing and early warning analysis technology, the digital twin scene construction technology based on the UE is combined, the limitation that the data chart display is not visual enough, the two-dimensional plane display lacks space third dimension and the simple three-dimensional display fineness is low is broken through, the dam safety monitoring scene expression based on the UE technology is realized, the monitoring elements related to engineering safety are comprehensively displayed, and immersive dam safety monitoring experience is provided.
3. The three-dimensional immersive dam safety monitoring method and system based on the UE technology realize the view angle configuration function under a three-dimensional scene, support the custom configuration of the three-dimensional position information (longitude, latitude and height) and view angle information (observation angle and distance) of each measuring point under a visual scene, and guarantee the optimal display of the position and view angle of each measuring point.
4. The three-dimensional immersive dam safety monitoring method and system based on the UE technology support switching of real scene and digital scene display modes, so that the real scene situation can be displayed to the greatest extent, and safety monitoring points and monitoring situations buried in the dam and the mountain can be clearly seen.
Drawings
Fig. 1 is a general flow chart of the present invention.
Fig. 2 is a general technical framework of the present invention.
FIG. 3 is a flow chart of the monitoring data sensing module according to the present invention.
FIG. 4 is a flow chart of the monitoring and early warning analysis module of the present invention.
Fig. 5 is a flow chart of the UE-based digital twinning scenario construction module of the present invention.
Fig. 6 is a block diagram of a dam safety monitoring application system of the present invention.
FIG. 7 is a three-dimensional representation of a dam safety monitoring application system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The dam safety monitoring system has various data display forms, and in the existing dam safety monitoring system, the problems that one-dimensional data chart display is not visual enough, two-dimensional plane display lacks space third dimension, and simple three-dimensional display is low in fineness are solved, so that the requirement of dam safety monitoring fine management cannot be met.
Aiming at the problems of lower scene display level and insufficient fine management capability of the traditional dam safety monitoring system, the invention provides the following technical scheme: referring to fig. 1-5, a three-dimensional immersive dam safety monitoring method and system based on UE technology includes the following steps:
firstly, sensing dam safety monitoring element data by using monitoring equipment, transmitting the dam safety monitoring element data obtained by sensing the monitoring equipment to a data platform by using a communication link, and finally storing the monitoring element data transmitted by the communication link into a standard database table in the data platform;
the specific flow of the first step is as follows:
(1) Sensing dam safety monitoring element data by using monitoring equipment, wherein the data comprise five categories of environment quantity, deformation, seepage, stress strain and earthquake;
(2) Transmitting dam safety monitoring element data obtained through sensing of monitoring equipment to a data platform by utilizing a communication link;
(3) And storing the monitoring element data transmitted through the communication link into a standard database table in the data platform, wherein the standard database table comprises a monitoring station information base, a monitoring equipment information base, a monitoring inspection route base, a monitoring time sequence database and the like.
Analyzing dam design data and historical monitoring data, setting a dam safety early warning threshold value, and comparing and analyzing the dam safety monitoring element data obtained in the step one with a preset dam safety early warning threshold value to obtain a dam safety monitoring early warning result;
the specific flow of the second step is as follows:
(1) Analyzing dam design data and historical monitoring data, and setting a dam safety early warning threshold value;
(2) Acquiring real-time monitoring data of dam safety by using a monitoring data sensing module;
(3) And (3) comparing and analyzing the dam safety early warning threshold set in the step (1) with the real-time monitoring data obtained in the step (2) to obtain a dam safety monitoring early warning result.
And thirdly, restoring the real topography by using DEM data and point cloud data, superposing satellite remote sensing images to restore the real topography, importing a BIM model and matching with sensing monitoring information, manufacturing PBR materials by using oblique photographing information and real scene photographing information, and finally constructing a scene by using a UE engine to form a high-altitude virtual drainage basin scene fused with the GIS, the altitude and the BIM model.
The third specific flow is as follows:
(1) The elevation data of the scene topography is obtained through the DEM data and the point cloud data to restore the real topography;
(2) Accurately acquiring satellite remote sensing images according to the real geographic range data to endow the topography with real topography;
(3) Importing a dam model and an equipment model, and transmitting BIM model data information into the three-dimensional scene and matching with sensing monitoring information by establishing a data link interface between the three-dimensional scene and the BIM model;
(4) According to professional oblique photography mapping model information and live-action shooting information, producing PBR materials in a three-dimensional scene;
(5) Integrating the materials obtained in the steps (1) to (5), and constructing a scene by using a UE engine to form a high-simulation digital twin dam scene fused with GIS, elevation and BIM models.
And step four, combining the monitoring data perception, the monitoring early warning analysis and the digital twin scene construction based on the UE in the step one to the step three to form a three-dimensional immersive dam safety monitoring application system.
In the embodiment, on the basis of the data sensing and early warning analysis technology of the traditional dam safety monitoring system, a digital twin scene construction technology based on UE is combined, and a three-dimensional immersive dam safety monitoring application system is formed.
In the aspect of the selection of the visual simulation engine, compared with the three-dimensional visual engine WebGL and the UE which are commonly used at present, although the WebGL has better compatibility at a browser end, the graphic rendering effect is coarser than that of the UE, and the UE can realize better 3D scene rendering effect, achieves more realistic visual effect and immersive experience, and can meet the higher requirement of the current digital twin drainage basin on the dam safety monitoring fine management.
The invention aims to strengthen engineering safety visualization based on a digital twin base on the basis of a traditional reservoir dam safety monitoring system, improve disaster early warning capability, realize three-dimensional visualization of engineering, controllable state checking, guard a safety bottom line and ensure comprehensive benefits of reservoirs.
Example 2
The present embodiment is an application system constructed on the basis of embodiment 1, and specifically, please refer to fig. 6.
The invention discloses a three-dimensional immersive dam safety monitoring method and system based on a UE technology, and further comprises a dam safety monitoring application system, wherein the dam safety monitoring application system comprises safety monitoring visualization, safety monitoring inspection, safety monitoring analysis and safety monitoring early warning.
In the aspect of safety monitoring visualization, based on reservoir automation safety monitoring data, manual monitoring, external environment quantity, daily inspection and meteorological information are combined, and comprehensive display, data query statistics and data analysis are carried out on engineering safety related monitoring elements, wherein engineering safety monitoring element data comprise environment quantity, deformation, seepage, stress strain and earthquake data. In the mesoscopic scene, based on a three-dimensional visualization model of the reservoir dam, the positions, the values and the like of the three-dimensional space of various safety monitoring data are displayed, and a user can inquire the monitoring data process line by clicking the labeling measuring point and can also inquire the historical data in a self-defined time period. Under a microscopic scene, according to the observation distance of service requirements, twin mapping is carried out on monitoring equipment, pipelines and the like according to actual conditions, and detailed positions and monitoring values of all measuring points in the dam are displayed in an immersed mode. Meanwhile, a three-dimensional scene view angle configuration function of the safety monitoring point is developed, the three-dimensional position information (longitude, latitude and height) and view angle information (observation angle and distance) of each point are subjected to self-defined configuration under a visual scene, and the optimal display of the position and view angle of each point is ensured. In addition, switching between real scene and digital scene presentation modes is supported. The real scene is constructed based on reservoir dam BIM and reservoir area oblique photography modeling results, and the real scene is restored to the greatest extent; the digital scene realizes the transparent display of the reservoir dam and surrounding mountain bodies, and is convenient for clearly seeing the safety monitoring points and monitoring conditions buried in the dam and the mountain bodies.
In the aspect of safety monitoring inspection, on the basis of safety monitoring visualization, aiming at all monitoring points of a certain monitoring element under a certain type, automatic inspection can be performed through a configured sequence and a configured visual angle, and real-time information of dam safety monitoring on a fixed inspection route is displayed.
In the aspect of safety monitoring analysis, safety monitoring data is displayed in a thermodynamic diagram mapping mode on the surface, a section or a point cloud model of a reservoir dam. Thermodynamic mapping may exhibit smooth color chart variations, also supporting the partitioning of contours according to a range of values. The data with different time sequences can be loaded, and the numerical value change process can be displayed according to the time sequence change. In the aspect of qualitative analysis of monitoring data, the method is mainly based on analysis methods such as a mapping method, a comparison method and a characteristic value statistical method. For safety monitoring data, the historical change rule of the measured value is qualitatively analyzed by drawing a process line and a distribution diagram, counting the highest and lowest historical values of the measured value and the environmental quantity when the extreme value occurs. Drawing different process lines according to the monitoring items, selecting corresponding coordinates and monitoring data, displaying the process lines of a plurality of measuring points at the same time, and superposing environmental quantity data on a process line graph; and (3) displaying and analyzing the distribution condition of the dam safety monitoring measured value at a certain moment by constructing a distribution diagram. And supporting the display of a specified time period, and supporting the switching and the export of the chart and the table.
In the aspect of safety monitoring and early warning, based on a digital strong seismograph arranged in reservoir installation, the relation between vibration intensity change and indexes such as stress, displacement, acceleration and the like is associated and analyzed, the safety alarm level is corrected, and dam earthquake safety alarm is carried out on a digital twin base. In terms of vibration intensity correlation analysis, time period inquiry and process line display of historical vibration intensity values of reservoirs are provided. And (3) counting and displaying the highest historical value and the average value of the vibration intensity of the reservoir, simultaneously associating and displaying monitoring indexes such as stress, displacement and acceleration, judging whether the current vibration intensity causes deformation, sliding, cracking, water leakage and the like of the dam, marking the conditions that the vibration intensity suddenly changes and other safety monitoring indexes are abnormal at the same time, and recording marking information. In addition, according to the historical anomaly labeling information, the earthquake safety alarm level of the dam can be set. The user can inquire and analyze the existing vibration data and monitoring data such as stress, displacement, acceleration and the like, check the history marking information, correct the vibration intensity value corresponding to the dam earthquake safety alarm level and upload the vibration intensity value. Finally, based on the three-dimensional model, the system can give an alarm in time at the vibration intensity measuring point according to the uploaded alarm level, display the current vibration intensity and the current alarm level, and avoid larger secondary disasters. And the early warning of the monitoring data is provided through the existing monitoring data and the information such as rainfall, temperature and the like released by the outside. Based on the existing rainfall, water level and other environmental quantity data, the influence of the rainfall, water level and other environmental quantity data on the safety of the dam is judged through the existing mathematical model. Meanwhile, a monitoring item threshold setting function is provided, the early warning threshold is automatically divided through a history extremum and a history average value, a user can also carry out self-defined setting on the early warning threshold, and the monitoring item exceeding the early warning value is alarmed. In the aspect of early warning information transmission, important operation information of the reservoir and safety early warning information of the dam are automatically pushed and released. The information release range mainly comprises reservoir internal management personnel, related staff and the like, and ensures that information can be timely and accurately notified to people.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. The three-dimensional immersive dam safety monitoring method based on the UE technology is characterized by comprising the following steps of:
firstly, sensing dam safety monitoring element data by using monitoring equipment, transmitting the dam safety monitoring element data obtained by sensing the monitoring equipment to a data platform by using a communication link, and finally storing the dam safety monitoring element data transmitted by the communication link into a standard database table in the data platform;
analyzing dam design data and historical monitoring data, setting a dam safety early warning threshold value, and comparing and analyzing the dam safety monitoring element data obtained in the step one with a preset dam safety early warning threshold value to obtain a dam safety monitoring early warning result;
restoring a real topography by using DEM data and point cloud data, superposing satellite remote sensing images to restore the real topography, importing a BIM model and matching with sensing monitoring information, and manufacturing PBR materials by using oblique photographing information and live-action photographing information;
and step four, combining the step one to the step three, and constructing a scene by using a UE engine to form a three-dimensional immersive dam safety monitoring application system of the high-simulation virtual watershed scene fused with the GIS, the elevation and the BIM models.
2. The method for three-dimensional immersive dam safety monitoring based on UE technology according to claim 1, wherein the specific flow of the step one is as follows:
(1) Sensing dam safety monitoring element data by using monitoring equipment, wherein the dam safety monitoring element data comprises five categories of environment quantity, deformation, seepage, stress strain and earthquake;
(2) Transmitting dam safety monitoring element data obtained through sensing of monitoring equipment to a data platform by utilizing a communication link;
(3) And storing the monitoring element data transmitted through the communication link into a standard database table in the data platform, wherein the database table comprises a monitoring station information base, a monitoring equipment information base, a monitoring inspection route base and a monitoring time sequence database.
3. The three-dimensional immersive dam safety monitoring method based on the UE technology as set forth in claim 1, wherein the third specific procedure is as follows:
(1) The elevation data of the scene topography is obtained through the DEM data and the point cloud data to restore the real topography;
(2) Accurately acquiring satellite remote sensing images according to the real geographic range data to endow the topography with real topography;
(3) Importing a dam model and an equipment model, and transmitting BIM model data information into the three-dimensional scene and matching with sensing monitoring information by establishing a data link interface between the three-dimensional scene and the BIM model;
(4) According to professional oblique photography mapping model information and live-action shooting information, producing PBR materials in a three-dimensional scene;
(5) Integrating the materials obtained in the steps (1) to (5), and constructing a scene by using a UE engine to form a high-simulation digital twin dam scene fused with GIS, elevation and BIM models.
4. A three-dimensional immersive dam safety monitoring system based on a UE technology is characterized in that: comprises a cloud platform;
the cloud platform comprises a monitoring data sensing module, a monitoring early warning analysis module and a digital twin scene construction module based on UE;
the monitoring data sensing module is used in the first method step;
the monitoring early warning analysis module is used in the second method step;
the digital twin scene construction module based on the UE is used in the third method step.
5. The UE technology based three-dimensional immersive dam safety monitoring system of claim 4, wherein: the system also comprises a dam safety monitoring application system;
the dam safety monitoring application system comprises safety monitoring visualization, safety monitoring inspection, safety monitoring analysis and safety monitoring early warning.
6. The UE technology based three-dimensional immersive dam safety monitoring system of claim 5, wherein: based on a visual angle configuration function of a visual line three-dimensional scene in a digital twin scene construction module of the UE, the user-defined configuration of the three-dimensional position information and visual angle information of each measuring point in a visual scene is supported;
wherein the three-dimensional location information includes longitude, latitude, and altitude;
the viewing angle information includes viewing angle and distance information;
the security monitoring visualization comprises a real scene module and a digital scene mode, and the real scene module and the digital scene module can be manually switched or set time for switching display.
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