CN117953650A - A dam safety analysis and early warning system and method based on digital twins - Google Patents

A dam safety analysis and early warning system and method based on digital twins Download PDF

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Publication number
CN117953650A
CN117953650A CN202410120539.4A CN202410120539A CN117953650A CN 117953650 A CN117953650 A CN 117953650A CN 202410120539 A CN202410120539 A CN 202410120539A CN 117953650 A CN117953650 A CN 117953650A
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information
dam
module
early warning
data
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吉耀国
于正委
张玲
贾玉山
黄家席
刘赟
刘威
赵小冬
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Jiangsu Shunxiao Engineering Technology Co ltd
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Jiangsu Shunxiao Engineering Technology Co ltd
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Alarm Systems (AREA)

Abstract

The invention relates to the technical field of water conservancy construction, in particular to a dam safety analysis early warning system and method based on digital twinning; the system comprises an information acquisition unit, an information analysis unit and a visual early warning unit; according to the method, a virtual three-dimensional dam model is constructed, a visual dam monitoring effect is achieved, abnormal data are removed, the accuracy of subsequent early warning is guaranteed, a corresponding warning interval and a corresponding warning interval are obtained according to the preprocessed data and a preset threshold value, a corresponding early warning grade can be obtained, the effect of monitoring and early warning the dam is achieved, in addition, a corresponding data trend chart is drawn, and therefore a manager can directly check the condition of related data of the dam.

Description

Dam safety analysis early warning system and method based on digital twinning
Technical Field
The invention relates to the technical field of water conservancy construction, in particular to a dam safety analysis early warning system and method based on digital twinning.
Background
The digital twin is to fully utilize data such as a physical model, sensor update, operation history and the like, integrate simulation processes of multiple disciplines, multiple physical quantities, multiple scales and multiple probabilities, and complete mapping in a virtual space, thereby reflecting the full life cycle process of corresponding entity equipment. Digital twinning is applied to a plurality of fields such as product design, product manufacturing, medical analysis, engineering construction and the like.
The accident of the dam can bring serious damage to the downstream, the house and farmland are submerged, the life and property safety of downstream people is seriously threatened, while the dam belongs to a statically indeterminate structure, the stress distribution can be self-adjusted in the face of overload, however, the stability of the foundation and the dam abutment is influenced by the stress state and the geological condition, the whole or partial slippage is easy to occur, and the safety of the dam is threatened. Therefore, it is important to monitor the safety of the dam and perform safety precaution. At present, in the safety monitoring process of a dam, the monitoring data is abnormal due to the reasons of self faults, improper monitoring positions or environmental interference and the like of a monitoring instrument, the monitoring analysis effect is affected, the early warning is inaccurate, and meanwhile, the corresponding early warning division is also lacking for the abnormal strength.
Therefore, the invention provides a dam safety analysis early warning system and method based on digital twinning, which are used for solving the related technical problems.
Disclosure of Invention
The invention aims to provide a dam safety analysis early warning system and method based on digital twinning, wherein a virtual three-dimensional dam model is constructed, a visual dam monitoring effect is realized, abnormal data are removed, the accuracy of subsequent early warning is ensured, a corresponding warning interval and an alert interval are obtained according to pretreatment data and a preset threshold value, a corresponding early warning grade can be obtained, the effects of monitoring and early warning of a dam are achieved, and in addition, a corresponding data trend chart is drawn, so that a manager can directly check the condition of related data of the dam.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The first aspect of the invention: the dam safety analysis early warning system based on digital twinning comprises an information acquisition unit, an information analysis unit and a visual early warning unit, wherein:
The information acquisition unit is used for acquiring construction history data information of the dam, environment information of the dam and safety monitoring information of the dam;
The information analysis unit is connected with the information acquisition unit, and is used for constructing a virtual three-dimensional dam model according to the acquired construction history data information of the dam, preprocessing and counting the environmental information of the dam and the safety monitoring information of the dam, and monitoring and judging the running state of the virtual three-dimensional dam model;
the visual early warning unit is used for drawing a data trend chart, displaying the received information and sending out corresponding early warning prompt according to the early warning information, and is connected with the information analysis unit.
The invention is further provided with: the information acquisition unit comprises a dam information acquisition module and an environment information acquisition module, wherein:
The dam information acquisition module is used for acquiring construction history data information of the dam;
The environment information acquisition module is used for acquiring environment information of the dam, wherein the environment information comprises upstream and downstream water level information, air temperature information, atmospheric pressure information and precipitation information.
The invention is further provided with: the information acquisition unit further comprises a safety information acquisition module and a first communication module, wherein:
The safety information acquisition module is used for acquiring safety monitoring information of the dam, wherein the safety monitoring information comprises deformation information, permeability information and stress strain information;
The first communication module is used for realizing information interaction between the information acquisition unit and the information analysis unit, and is connected with the dam information acquisition module, the environment information acquisition module and the safety information acquisition module.
The invention is further provided with: the information analysis unit comprises a second communication module, a dam construction module, a data preprocessing module and a data statistics module, wherein:
the second communication module is used for realizing information interaction between the information analysis unit and the information acquisition unit as well as between the information acquisition unit and the visual early warning unit;
The dam construction module constructs a virtual three-dimensional dam model according to the acquired construction history data information of the dam, and the dam construction module is connected with the second communication module;
the data preprocessing module is used for identifying and eliminating the environment information of the dam and the abnormal value of the safety monitoring information of the dam, and is connected with the second communication module;
The data statistics module is used for counting the preprocessed data information, and is connected with the data preprocessing module.
The invention is further provided with: the process for identifying and eliminating the abnormal value of the environmental information of the dam and the safety monitoring information of the dam is as follows:
according to the time of information acquisition, constructing a time-based monitoring sequence X= (X 1,x2,…,xi,…,xn), wherein X i is data at a certain moment;
Calculating a variance deltax i of the monitoring sequence x i, and taking the variance deltax i not meeting (0, sigma 2) as a first abnormality judgment condition;
Will be As a second abnormality determination condition, Δx i is a variance,/>, whereK is a discrimination multiple, and sigma is a variance standard deviation;
If x i meets the first exception determination condition and meets the second exception determination condition, then x i is culled, otherwise x i is reserved.
The invention is further provided with: the process of carrying out statistics on the preprocessed data information is as follows:
Acquiring a preprocessed monitoring sequence Y= (Y 1,y2,…,yi,…,yn), wherein Y i is data at a certain moment;
Setting a threshold value U in the range of the monitoring sequence Y, and taking Z i＝yi -U as an excess amount to obtain an excess amount sequence Z= (Z 1,z2,…,zi,…,zm);
Calculating to obtain probability distribution function In the method, in the process of the invention,In the/>S is the variance of the excess, and sigma is the standard deviation of the variance;
And dividing the probability distribution according to a3 sigma criterion to obtain a corresponding warning interval and an alert interval.
The invention is further provided with: the information analysis unit further comprises a monitoring judgment module and a database module, wherein:
The monitoring and judging module is used for mapping the preprocessed data into the constructed virtual three-dimensional dam model, determining whether an early warning exists according to a threshold U, judging the early warning level according to a warning interval and an alert interval, and connecting the monitoring and judging module with the second communication module, the dam construction module and the data statistics module;
the database module is used for storing the received information, and is connected with the second communication module and the monitoring and judging module.
The invention is further provided with: the visual early warning unit comprises a third communication module, a display module and a data drawing module, wherein:
the third communication module is used for realizing information interaction between the visual early warning unit and the information analysis unit;
the display module is used for displaying the received information and is connected with the third communication module;
And the data drawing module draws a corresponding data trend chart according to the received data information, and is connected with the third communication module and the display module.
The invention is further provided with: the visual early warning unit further comprises an early warning reminding module, the early warning reminding module sends out corresponding early warning reminding according to the received early warning information, and the early warning reminding module is connected with the third communication module and the display module.
The second aspect of the invention: the dam safety analysis and early warning method based on digital twinning uses the dam safety analysis and early warning system based on digital twinning, and comprises the following steps:
Step one, acquiring construction history data information of a dam, environment information of the dam and safety monitoring information of the dam;
Step two, presetting a threshold value U set by early warning, constructing a virtual three-dimensional dam model according to the acquired construction history data information of the dam, preprocessing and counting the environmental information of the dam and the safety monitoring information of the dam, determining whether the early warning exists or not by the threshold value U, and judging the early warning level by utilizing a warning interval and an alert interval;
and thirdly, sending out corresponding early warning reminding according to the obtained early warning grade.
Compared with the prior art, the invention has the beneficial effects that:
According to the method, the construction historical data information of the dam, the environment information of the dam and the safety monitoring information of the dam are obtained, a virtual three-dimensional dam model is constructed by using the obtained construction historical data information of the dam according to different received information, visual management of management staff is realized, pretreatment and statistics are carried out by using the environment information of the dam and the safety monitoring information of the dam, abnormal data are removed, and the accuracy of subsequent early warning is ensured; according to the preprocessing data and a preset threshold value, a probability distribution function in an early warning range is obtained, probability distribution is divided according to a3 sigma criterion, a corresponding warning interval and a corresponding warning interval are obtained, corresponding early warning grades can be obtained, the warning grade and the warning grade are respectively, the effects of monitoring and early warning of the dam are achieved, in addition, a corresponding data trend chart is drawn, and therefore a manager can directly check the condition of data related to the dam.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system diagram of a dam safety analysis early warning system based on digital twinning;
FIG. 2 is a system diagram of an information acquisition unit in a dam safety analysis and early warning system based on digital twinning;
FIG. 3 is a system diagram of an information analysis unit in a dam safety analysis and early warning system based on digital twinning;
Fig. 4 is a system diagram of a visual early warning unit in a dam safety analysis early warning system based on digital twinning.
Legend description: 100. an information acquisition unit; 110. a dam information acquisition module; 120. an environmental information acquisition module; 130. a security information acquisition module; 140. a first communication module; 200. an information analysis unit; 210. a second communication module; 220. a dam construction module; 230. a data preprocessing module; 240. a data statistics module; 250. a monitoring and judging module; 260. a database module; 300. a visual early warning unit; 310. a third communication module; 320. a display module; 330. a data drawing module; 340. and the early warning reminding module.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments 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.
Examples:
As shown in fig. 1 to 4, the present embodiment provides a dam security analysis and early warning system based on digital twinning, which includes an information acquisition unit 100, an information analysis unit 200, and a visualization early warning unit 300, wherein: the information acquisition unit 100 is configured to acquire construction history data information of a dam, environmental information of the dam, and safety monitoring information of the dam; the information analysis unit 200 constructs a virtual three-dimensional dam model according to the acquired construction history data information of the dam, performs preprocessing and statistics on the environmental information of the dam and safety monitoring information of the dam, monitors and judges the running state of the virtual three-dimensional dam model, and the information analysis unit 200 is connected with the information acquisition unit 100; the visual early-warning unit 300 is used for drawing a data trend chart, displaying the received information and sending out corresponding early-warning reminding according to the early-warning information, and the visual early-warning unit 300 is connected with the information analysis unit 200.
In this embodiment, it should be noted that, the information obtaining unit 100 obtains the construction history data information of the dam, the environmental information of the dam, and the safety monitoring information of the dam, and uploads the information to the information analysis unit 200, after the information analysis unit 200 receives the information, the construction history data information of the dam is used to construct a virtual three-dimensional dam model according to the difference of the received information, so as to obtain a corresponding virtual model, and the virtual model is used for visual display of a manager, and the environmental information of the dam and the safety monitoring information of the dam are preprocessed and counted, so that abnormal data can be removed, so as to ensure the accuracy of subsequent early warning;
Meanwhile, the information analysis unit 200 obtains a probability distribution function in an early warning range according to the obtained preprocessing data and a preset threshold value U, and then divides the probability distribution according to a3 sigma criterion to obtain a corresponding warning interval and an alert interval, namely obtaining corresponding early warning grades, namely the warning grade and the alert grade, respectively, so that a dam can be monitored in real time, and early warning of the corresponding grade is sent out;
In addition, the visual early warning unit 300 receives feedback information of the information analysis unit 200, on one hand, draws a corresponding data trend chart according to the obtained preprocessing data and displays the corresponding data trend chart, so that a manager can directly check the condition of the dam related data, and on the other hand, can send out a corresponding grade according to the obtained early warning grade information, so that the manager can conveniently and timely make corresponding processing.
In the present invention, the information acquisition unit 100 includes a dam information acquisition module 110 and an environment information acquisition module 120, wherein: the dam information obtaining module 110 is configured to obtain construction history data information of a dam; the environmental information obtaining module 120 is configured to obtain environmental information of the dam, where the environmental information includes upstream and downstream water level information, air temperature information, atmospheric pressure information, and precipitation information.
In addition, the information acquisition unit 100 further includes a security information acquisition module 130 and a first communication module 140, wherein: the safety information acquisition module 130 is configured to acquire safety monitoring information of the dam, where the safety monitoring information includes deformation information, permeability information, and stress-strain information; the first communication module 140 is configured to implement information interaction between the information acquisition unit 100 and the information analysis unit 200, and the first communication module 140 is connected to the dam information acquisition module 110, the environment information acquisition module 120, and the security information acquisition module 130.
In this embodiment, it should be noted that, by using the dam information obtaining module 110 provided above, the construction history data information of the dam can be obtained, so as to be used for the construction of the subsequent virtual three-dimensional dam model, so that the visual inspection of the manager is facilitated; the environmental information of the dam is acquired by the environmental information acquisition module 120, the safety monitoring information of the dam is acquired by the safety information acquisition module 130, and the environmental information and the safety monitoring information affect the safety of the dam, so that the safety monitoring of the dam can be used, and the information is fed back to the information analysis unit 200 through the first communication module 140.
In the present invention, the information analysis unit 200 includes a second communication module 210, a dam construction module 220, a data preprocessing module 230, and a data statistics module 240, wherein: the second communication module 210 is configured to implement information interaction between the information analysis unit 200 and the information acquisition unit 100 and the visual early warning unit 300; the dam construction module 220 constructs a virtual three-dimensional dam model according to the acquired construction history data information of the dam, and the dam construction module 220 is connected with the second communication module 210; the data preprocessing module 230 is used for identifying and eliminating the environment information of the dam and the abnormal value of the safety monitoring information of the dam, and the data preprocessing module 230 is connected with the second communication module 210; the data statistics module 240 is configured to perform statistics on the preprocessed data information, and the data statistics module 240 is connected to the data preprocessing module 230.
The dam environment information and dam safety monitoring information abnormal value identification and elimination process comprises the following steps:
according to the time of information acquisition, constructing a time-based monitoring sequence X= (X 1,x2,…,xi,…,xn), wherein X i is data at a certain moment;
Calculating a variance deltax i of the monitoring sequence x i, and taking the variance deltax i not meeting (0, sigma 2) as a first abnormality judgment condition;
Will be As a second abnormality determination condition, Δx i is a variance,/>, whereK is a discrimination multiple, and sigma is a variance standard deviation;
If x i meets the first exception determination condition and meets the second exception determination condition, then x i is culled, otherwise x i is reserved.
In addition, the process of counting the preprocessed data information is as follows:
Acquiring a preprocessed monitoring sequence Y= (Y 1,y2,…,yi,…,yn), wherein Y i is data at a certain moment;
Setting a threshold value U in the range of the monitoring sequence Y, and taking Z i＝yi -U as an excess amount to obtain an excess amount sequence Z= (Z 1,z2,…,zi,…,zm);
Calculating to obtain probability distribution function In the method, in the process of the invention,In the/>S is the variance of the excess, and sigma is the standard deviation of the variance;
And dividing the probability distribution according to a3 sigma criterion to obtain a corresponding warning interval and an alert interval.
In this embodiment, it should be noted that, the information of the information acquisition unit 100 is received by using the set second communication module 210, the construction history data information of the dam is received by the dam construction module 220, the construction history data information of the dam is used to construct a virtual three-dimensional dam model, the model can be reflected to the visual early warning unit 300 in real time through the second communication module 210, so that a manager can intuitively check the virtual dam condition, the environment information of the dam and the safety monitoring information of the dam are received by the data preprocessing module 230, then abnormal value recognition and elimination are performed, so as to obtain reliable data information, so as to ensure the accuracy of subsequent early warning, and then the reliable data information is fed back to the data statistics module 240, and the data statistics module 240 can perform statistics on the preprocessed data information; it should be noted that, the 3σ criterion in this embodiment is a widely used criterion, and is not described herein.
In the present invention, the information analysis unit 200 further includes a monitoring decision module 250 and a database module 260, wherein: the monitoring and judging module 250 is configured to map the preprocessed data into the constructed virtual three-dimensional dam model, determine whether an early warning exists according to the threshold U, and judge the early warning level according to the warning interval and the alert interval, where the monitoring and judging module 250 is connected to the second communication module 210, the dam construction module 220 and the data statistics module 240; the database module 260 is used for storing the received information, and the database module 260 is connected to both the second communication module 210 and the monitoring and judging module 250.
In this embodiment, it should be noted that, the monitoring and determining module 250 determines whether an early warning exists according to the threshold U, determines the early warning level according to the warning interval and the alert interval, and uploads the early warning level to the visual early warning unit 300 through the second communication module 210, and meanwhile, uploads the early warning level to the database module 260 for storage.
In the present invention, the visual early warning unit 300 includes a third communication module 310, a display module 320, and a data drawing module 330, wherein: the third communication module 310 is configured to implement information interaction between the visual early warning unit 300 and the information analysis unit 200; the display module 320 is configured to display the received information, and the display module 320 is connected to the third communication module 310; the data drawing module 330 draws a corresponding data trend chart according to the received data information, and the data drawing module 330 is connected with the third communication module 310 and the display module 320.
In addition, the visual early-warning unit 300 further includes an early-warning reminding module 340, the early-warning reminding module 340 sends out corresponding early-warning reminding according to the received early-warning information, and the early-warning reminding module 340 is connected with the third communication module 310 and the display module 320.
In this embodiment, it should be noted that, the third communication module 310 may receive the information of the information analysis unit 200, and then the data drawing module 330 draws and displays a corresponding data trend chart according to the obtained preprocessed data, so that a manager may directly check the condition of the data related to the dam, and in addition, the early warning reminding module 340 receives the early warning information and sends out a corresponding level according to the corresponding early warning level according to the obtained early warning level information, so as to facilitate the manager to make corresponding processing in time.
In addition, the embodiment provides a dam safety analysis and early warning method based on digital twinning, which uses the dam safety analysis and early warning system based on digital twinning, and comprises the following steps:
Step one, acquiring construction history data information of a dam, environment information of the dam and safety monitoring information of the dam;
Step two, presetting a threshold value U set by early warning, constructing a virtual three-dimensional dam model according to the acquired construction history data information of the dam, preprocessing and counting the environmental information of the dam and the safety monitoring information of the dam, determining whether the early warning exists or not by the threshold value U, and judging the early warning level by utilizing a warning interval and an alert interval;
and thirdly, sending out corresponding early warning reminding according to the obtained early warning grade.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (10)

1.一种基于数字孪生的大坝安全分析预警系统，其特征在于，包括信息获取单元(100)、信息分析单元(200)和可视化预警单元(300)，其中：1. A dam safety analysis and early warning system based on digital twins, characterized in that it comprises an information acquisition unit (100), an information analysis unit (200) and a visual early warning unit (300), wherein: 所述信息获取单元(100)用于获取大坝的构建历史数据信息、大坝的环境信息以及大坝的安全监测信息；The information acquisition unit (100) is used to acquire the construction history data information of the dam, the environmental information of the dam and the safety monitoring information of the dam; 所述信息分析单元(200)根据所获取的大坝的构建历史数据信息，构建虚拟三维大坝模型，对大坝的环境信息以及大坝的安全监测信息进行预处理和统计，以及监测判定虚拟三维大坝模型的运行状态，所述信息分析单元(200)与信息获取单元(100)连接；The information analysis unit (200) constructs a virtual three-dimensional dam model based on the acquired historical data information of the dam construction, pre-processes and performs statistics on the environmental information of the dam and the safety monitoring information of the dam, and monitors and determines the operating state of the virtual three-dimensional dam model. The information analysis unit (200) is connected to the information acquisition unit (100); 所述可视化预警单元(300)用于绘制数据走势图表、显示所接收到的信息，以及根据预警信息发出相应的预警提醒，所述可视化预警单元(300)与信息分析单元(200)连接。The visual warning unit (300) is used to draw a data trend chart, display the received information, and issue a corresponding warning reminder according to the warning information. The visual warning unit (300) is connected to the information analysis unit (200). 2.根据权利要求1中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述信息获取单元(100)包括大坝信息获取模块(110)和环境信息获取模块(120)，其中：2. According to the digital twin-based dam safety analysis and early warning system as described in claim 1, it is characterized in that: the information acquisition unit (100) includes a dam information acquisition module (110) and an environmental information acquisition module (120), wherein: 所述大坝信息获取模块(110)用于获取大坝的构建历史数据信息；The dam information acquisition module (110) is used to acquire historical data information on the construction of the dam; 所述环境信息获取模块(120)用于获取大坝的环境信息，其中环境信息包括上下游水位信息、气温信息、大气压力信息以及降水量信息。The environmental information acquisition module (120) is used to acquire environmental information of the dam, wherein the environmental information includes upstream and downstream water level information, temperature information, atmospheric pressure information and precipitation information. 3.根据权利要求2中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述信息获取单元(100)还包括安全信息获取模块(130)和第一通讯模块(140)，其中：3. According to a dam safety analysis and early warning system based on digital twins as described in claim 2, it is characterized in that: the information acquisition unit (100) further includes a safety information acquisition module (130) and a first communication module (140), wherein: 所述安全信息获取模块(130)用于获取大坝的安全监测信息，其中安全监测信息包括变形量信息、渗透量信息以及应力应变信息；The safety information acquisition module (130) is used to acquire safety monitoring information of the dam, wherein the safety monitoring information includes deformation information, permeability information and stress-strain information; 所述第一通讯模块(140)用于实现信息获取单元(100)与信息分析单元(200)间的信息交互，所述第一通讯模块(140)与大坝信息获取模块(110)、环境信息获取模块(120)和安全信息获取模块(130)均连接。The first communication module (140) is used to realize information interaction between the information acquisition unit (100) and the information analysis unit (200), and the first communication module (140) is connected to the dam information acquisition module (110), the environmental information acquisition module (120) and the safety information acquisition module (130). 4.根据权利要求1中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述信息分析单元(200)包括第二通讯模块(210)、大坝构建模块(220)、数据预处理模块(230)和数据统计模块(240)，其中：4. According to a dam safety analysis and early warning system based on digital twins as described in claim 1, it is characterized in that: the information analysis unit (200) includes a second communication module (210), a dam construction module (220), a data preprocessing module (230) and a data statistics module (240), wherein: 所述第二通讯模块(210)用于实现信息分析单元(200)与信息获取单元(100)和可视化预警单元(300)间的信息交互；The second communication module (210) is used to realize information interaction between the information analysis unit (200), the information acquisition unit (100) and the visual warning unit (300); 所述大坝构建模块(220)根据所获取的大坝的构建历史数据信息，构建虚拟三维大坝模型，所述大坝构建模块(220)与第二通讯模块(210)连接；The dam construction module (220) constructs a virtual three-dimensional dam model according to the acquired historical data information of the dam construction, and the dam construction module (220) is connected to the second communication module (210); 所述数据预处理模块(230)用于对大坝的环境信息以及大坝的安全监测信息异常值识别和剔除，所述数据预处理模块(230)与第二通讯模块(210)连接；The data preprocessing module (230) is used to identify and remove abnormal values of the dam's environmental information and the dam's safety monitoring information, and the data preprocessing module (230) is connected to the second communication module (210); 所述数据统计模块(240)用于对预处理后的数据信息进行统计，所述数据统计模块(240)与数据预处理模块(230)连接。The data statistics module (240) is used to perform statistics on the pre-processed data information, and the data statistics module (240) is connected to the data pre-processing module (230). 5.根据权利要求4中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述对大坝的环境信息以及大坝的安全监测信息异常值识别和剔除的过程如下：5. According to the digital twin-based dam safety analysis and early warning system described in claim 4, it is characterized in that the process of identifying and eliminating abnormal values of the dam's environmental information and dam safety monitoring information is as follows: 按照信息获取的时间，构建基于时间的监测序列X＝(x1,x2,…,xi,…,xn)，式中xi为某一个时刻数据；According to the time of information acquisition, a time-based monitoring sequence X = (x 1 , x 2 , …, x i , …, x n ) is constructed, where x i is the data at a certain moment; 计算监测序列xi的方差Δxi，将方差Δxi不满足(0，σ2)作为第一异常判定情况；Calculate the variance Δxi of the monitoring sequence xi , and take the variance Δxi not satisfying (0, σ2 ) as the first abnormality determination situation; 将作为第二异常判定条件，式中，Δxi为方差，/>为均方差，k为判别倍数，σ为方差标准差；Will As the second abnormality determination condition, where Δxi is the variance,/> is the mean square error, k is the discrimination multiple, and σ is the standard deviation of the variance; 若xi满足第一异常判定条件，且满足第二异常判定条件，则剔除xi，否则，保留xi。If xi satisfies the first abnormality determination condition and the second abnormality determination condition, xi is eliminated; otherwise, xi is retained. 6.根据权利要求5中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述对预处理后的数据信息进行统计的过程如下：6. According to the dam safety analysis and early warning system based on digital twins as described in claim 5, it is characterized in that: the process of statistically analyzing the pre-processed data information is as follows: 获取预处理后的监测序列Y＝(y1,y2,…,yi,…,yn)，式中，yi为某一个时刻数据；Obtain the preprocessed monitoring sequence Y = (y 1 ,y 2 ,…,y i ,…,y n ), where y i is the data at a certain moment; 在监测序列Y范围内设定一个阈值U，将zi＝yi-U为超出量，得到超出量序列Z＝(z1,z2,…,zi,…,zm)；A threshold value U is set within the monitoring sequence Y, and z i = y i - U is taken as the excess amount, and the excess amount sequence Z = (z 1 , z 2 , …, z i , …, z m ) is obtained; 计算得到概率分布函数式中，式中，/>为超出量的平均值，S为超出量的方差，σ为方差标准差；Calculate the probability distribution function In the formula, In the formula, /> is the mean value of the excess, S is the variance of the excess, and σ is the standard deviation of the variance; 根据3σ准则，对概率分布进行划分，得到对应的警戒区间和警觉区间。According to the 3σ criterion, the probability distribution is divided to obtain the corresponding warning interval and alert interval. 7.根据权利要求5中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述信息分析单元(200)还包括监测判定模块(250)和数据库模块(260)，其中：7. According to a dam safety analysis and early warning system based on digital twins as described in claim 5, it is characterized in that: the information analysis unit (200) also includes a monitoring and determination module (250) and a database module (260), wherein: 所述监测判定模块(250)用于将预处理后的数据映射到所构建的虚拟三维大坝模型中，以及根据阈值U确定是否存在预警，并根据警戒区间和警觉区间来判定预警等级，所述监测判定模块(250)与第二通讯模块(210)、大坝构建模块(220)和数据统计模块(240)均连接；The monitoring and determining module (250) is used to map the pre-processed data to the constructed virtual three-dimensional dam model, and determine whether there is an early warning according to the threshold value U, and determine the early warning level according to the warning interval and the alert interval. The monitoring and determining module (250) is connected to the second communication module (210), the dam construction module (220) and the data statistics module (240); 所述数据库模块(260)用于存储所接收的信息，所述数据库模块(260)与第二通讯模块(210)和监测判定模块(250)均连接。The database module (260) is used to store the received information, and the database module (260) is connected to both the second communication module (210) and the monitoring and determination module (250). 8.根据权利要求1中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述可视化预警单元(300)包括第三通讯模块(310)、显示模块(320)和数据绘制模块(330)，其中：8. According to a dam safety analysis and early warning system based on digital twins as described in claim 1, it is characterized in that: the visual early warning unit (300) includes a third communication module (310), a display module (320) and a data drawing module (330), wherein: 所述第三通讯模块(310)用于实现可视化预警单元(300)与信息分析单元(200)间的信息交互；The third communication module (310) is used to realize information interaction between the visual warning unit (300) and the information analysis unit (200); 所述显示模块(320)用于显示所接收的信息，所述显示模块(320)与第三通讯模块(310)连接；The display module (320) is used to display the received information, and the display module (320) is connected to the third communication module (310); 所述数据绘制模块(330)根据所接收的数据信息，绘制相应的数据走势图表，所述数据绘制模块(330)与第三通讯模块(310)和显示模块(320)均连接。The data drawing module (330) draws a corresponding data trend chart according to the received data information, and the data drawing module (330) is connected to both the third communication module (310) and the display module (320). 9.根据权利要求8中所述的一种基于数字孪生的大坝安全分析预警系统，其特征在于：所述可视化预警单元(300)还包括预警提醒模块(340)，所述预警提醒模块(340)根据所接收到的预警信息，发出相应的预警提醒，所述预警提醒模块(340)与第三通讯模块(310)和显示模块(320)均连接。9. According to a digital twin-based dam safety analysis and early warning system as described in claim 8, it is characterized in that: the visual early warning unit (300) also includes an early warning reminder module (340), and the early warning reminder module (340) issues corresponding early warning reminders based on the received early warning information, and the early warning reminder module (340) is connected to both the third communication module (310) and the display module (320). 10.一种基于数字孪生的大坝安全分析预警方法，使用了权利要求1-9中任意一项所述的基于数字孪生的大坝安全分析预警系统，其特征在于，包括以下步骤：10. A dam safety analysis and early warning method based on digital twins, using the dam safety analysis and early warning system based on digital twins as described in any one of claims 1 to 9, characterized in that it comprises the following steps: 步骤一、获取大坝的构建历史数据信息、大坝的环境信息以及大坝的安全监测信息；Step 1: Obtain the historical data information of the dam's construction, the dam's environmental information, and the dam's safety monitoring information; 步骤二、预设预警所设的阈值U，根据所获取的大坝的构建历史数据信息，构建虚拟三维大坝模型，对大坝的环境信息以及大坝的安全监测信息进行预处理和统计，再阈值U确定是否存在预警，然后利用警戒区间和警觉区间来判定预警等级；Step 2: preset the threshold U for early warning, build a virtual three-dimensional dam model based on the historical data of the dam construction, pre-process and count the environmental information of the dam and the safety monitoring information of the dam, and then determine whether there is an early warning based on the threshold U, and then use the warning interval and alert interval to determine the warning level; 步骤三、根据所得到的预警等级，发出相应的预警提醒。Step 3: Issue corresponding warning reminders based on the obtained warning level.
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