CN111627281B - Nuclear accident emergency simulation training system - Google Patents
Nuclear accident emergency simulation training system Download PDFInfo
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- CN111627281B CN111627281B CN202010477389.4A CN202010477389A CN111627281B CN 111627281 B CN111627281 B CN 111627281B CN 202010477389 A CN202010477389 A CN 202010477389A CN 111627281 B CN111627281 B CN 111627281B
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Abstract
The invention relates to the field of nuclear facility accident emergency and the technical field of three-dimensional virtual reality, in particular to a nuclear accident emergency simulation training system. The system comprises an accident simulation module, a communication module, a VR simulation training module and a database module; the accident simulation module and the VR simulation training module are in data interaction with the communication module; the database module inputs data to the accident simulation module, the communication module and the VR simulation training module; and the accident simulation module outputs data to the database module. According to the invention, on the premise of low cost, by adopting the three-dimensional virtual reality simulation technology, various types of nuclear facility three-dimensional models can be quickly built, various types of nuclear accidents are set, various types of emergency scenes and training scripts are created, and new ideas and routes are provided for nuclear accident emergency training.
Description
Technical Field
The invention relates to the field of nuclear facility accident emergency and the technical field of three-dimensional virtual reality, in particular to a nuclear accident emergency simulation training system.
Background
Nuclear facilities such as nuclear power plants, experimental stacks, research stacks, nuclear fuel manufacturing plants, nuclear fuel reprocessing plants, radioactive waste reservoirs, and the like. Nuclear accidents are serious deviations from normal conditions that occur in nuclear facilities under very low probability conditions, and once an accident occurs, the accidents can cause great harm to the public and the environment.
The nuclear accident is difficult to reproduce under the normal supporting working condition of the nuclear facility, and if the nuclear accident emergency exercise is carried out by adopting a mode of building a real model body, the period is longer, the investment is huge, and the reproduction effect is poor. And the Chinese operators are wide, the nuclear reactor types are numerous, by the period of 6 months in 2019, 16 commercial nuclear power plants exist in China, the nuclear reactor types comprise M310, CP300, CP600, AP1000, EPR, CANDU, hualong No. I and the like, and the difficulty of building the nuclear accident emergency real object simulator is increased due to the non-unification of the various nuclear reactor types.
According to the invention, on the premise of low cost, by adopting the three-dimensional virtual reality simulation technology, various types of nuclear facility three-dimensional models can be quickly built, various types of nuclear accidents are set, various types of emergency scenes and training scripts are created, and new ideas and routes are provided for nuclear accident emergency training.
Disclosure of Invention
The invention provides a nuclear accident emergency simulation training system which comprises an accident simulation module, a communication module, a VR simulation training module, a database module and the like.
The nuclear accident emergency simulation training system comprises an accident simulation module, a communication module, a VR simulation training module and a database module; the accident simulation module and the VR simulation training module are in data interaction with the communication module; the database module inputs data to the accident simulation module, the communication module and the VR simulation training module; the accident simulation module outputs data to the database module; the VR simulation training module comprises a student terminal module, an instructor terminal module, a physical engine sub-module and an AI engine sub-module; the AI engine sub-module outputs data to the database module.
The accident simulation module comprises a dosage calculation sub-module, a meteorological simulation sub-module and an accident simulation sub-module; the dose calculation sub-module calculates the radiation dose of the surrounding environment by adopting two methods of point-kernel integration and Monte Carlo.
The meteorological simulation submodule is used for calculating the large probability pollution source diffusion of a specific plant site under a specific time condition.
The accident simulation sub-module is used for calculating the evolution simulation of the nuclear accident, and the simulation calculation software developed based on the serious analysis program of engineering application is adopted for carrying out simulation on the evolution development of the nuclear accident.
The student terminal module is used for training students and comprises a training mode and an assessment mode.
The instructor terminal module is used for instructor use and comprises training scene presetting, real-time intervention in a training process, student assessment scoring, student training assessment record and playback.
The physical engine submodule simulates physical properties of simulation training, including physical collision and man-machine engineering, and analyzes and calculates the accessibility of the device.
The AI engine submodule is used for analysis statistics and update improvement of the system, including error statistics and strategy improvement.
The database module comprises a three-dimensional model, attribute information, personnel information, accident scenes, scene special effects, emergency strategies, dose data, accident simulation data and historical meteorological information.
Drawings
FIG. 1 is a block diagram of a system
FIG. 2 is a main block diagram
FIG. 3 dosimetry chart
FIG. 4 on-line data graph
FIG. 5 offline data map
In the figure: 1. the system comprises an accident simulation module, a communication module, a VR simulation training module, a database module and a communication module.
Detailed Description
The present invention is described in detail below for the purpose of clearly illustrating the features and advantages of the present invention.
The invention provides a nuclear accident emergency simulation training system which is characterized by comprising an accident simulation module, a communication module, a VR simulation training module, a database module and the like, and is characterized in that:
the invention provides a nuclear accident emergency simulation training system, which comprises the following modules one to four:
the accident simulation module is used for carrying out comprehensive simulation calculation on the evolution and the result of the nuclear accident and comprises a dosage calculation sub-module, a meteorological simulation sub-module and an accident simulation sub-module which are operated on an accident simulation server.
And the communication module is used for data interaction between the accident simulation module and the VR simulation training module. Run on VR simulation server.
The VR simulation training module is used for simulation training of emergency repair personnel, adopts three-dimensional software developed by a three-dimensional simulation engine based on engineering application, and comprises a student end, a instructor end, a physical engine and an AI engine sub-module, and operates on a VR simulation server.
And the database module is used for storing related information such as a three-dimensional model, attribute information, personnel information, accident scenes, emergency strategies, dose data, accident simulation data and historical meteorological data. Running on a database server.
The dose calculation sub-module is used for calculating the radiation dose of the surrounding environment and comprises point-core integration and Monte Carlo 2 methods.
And the meteorological simulation sub-module is used for calculating the large probability pollution source diffusion of a specific plant site under a specific time condition.
The accident simulation sub-module is used for calculating the evolution simulation of the nuclear accident, and adopting simulation calculation software developed based on a severe analysis program of engineering application to simulate the evolution development of the nuclear accident.
The student terminal module is used for training students and comprises a training mode and an assessment mode, different modes can be set by a student terminal, the student terminal module adopts an immersive virtual reality technology VR means to display a three-dimensional scene of a nuclear accident and conduct various work training assessments of nuclear emergency repair emergency personnel in participation, such as a valve switch, door breaking and dismantling, temporary water injection system access, equipment wearing, tool use, equipment maintenance, shielding use, road rush repair, high-altitude compression, waste liquid collection, temporary power generation system access, medical rescue, temporary illumination construction and the like, and the student terminal module can be trained cooperatively by multiple people, so that the maximum support number is 80.
The instructor terminal module is used for instructor use, and comprises training scene presetting, real-time intervention in a training process, student assessment scoring, student training assessment record and playback, and can manage, evaluate and feed back student end training and assessment.
And the physical engine submodule is used for simulating physical properties of simulation training, including physical collision, man-machine engineering and the like. The device can analyze and calculate the trafficability accessibility of the device, preset a human body digital model, and simulate and analyze the human radiation dose and the like of the visual operability of personnel.
And the AI engine submodule is used for analysis statistics and update improvement of the system. And (3) counting errors in the training and checking process of students by adopting an AI artificial intelligence technology, and updating and improving the emergency rescue strategy in the database according to the problems encountered in the training and checking process.
The specific implementation steps are as follows:
and step 1, the accident simulation module, the communication module, the VR simulation training module and the database module are successfully connected.
Step 2, the VR simulation training module instructor selects a preset training scene n, and sends scene parameters to the accident simulation module through the communication module, and the accident simulation module starts the same accident simulation data n.
The scenes at least comprise a containment isolation failure heavy extra large nuclear accident simulation training scene, a nuclear power plant hydrogen explosion heavy extra large nuclear accident simulation training scene, a nuclear power plant steam explosion heavy extra large nuclear accident simulation training scene, a nuclear power plant containment direct heating heavy extra large nuclear accident simulation training scene, a nuclear power plant containment long-term overpressure heavy extra large nuclear accident simulation training scene, a nuclear power plant core fusion heavy extra large nuclear accident simulation training scene, a heavy extra large nuclear accident simulation training scene caused by nuclear power plant major natural disasters, a heavy extra large nuclear accident simulation training scene caused by whole-plant outage of a nuclear power plant, and a nuclear accident simulation training scene caused by nuclear power plant spent fuel pool cooling capacity loss
And step 3, the accident simulation module sends various parameters calculated by accident simulation to the VR simulation training module in real time through the communication module, and drives various special effect parameters in the three-dimensional scene to be displayed in real time.
The simulation parameters and the three-dimensional special effects at least comprise a factory building breach position, a breach size, a main factory building internal temperature, a main factory building internal pressure, a main factory building internal hydrogen content, a main factory building internal water accumulation depth, a loop breach jet flow, a core temperature, a core water level, a steam generator liquid level, a voltage stabilizer liquid level, a factory building radiation dose, an safety injection system flow, a PTR water tank liquid level, an ASG water tank liquid level, a safety injection system equipment state, a spraying system equipment state, a factory building power supply condition and the like
And step 4, various parameters of accident simulation calculation are simultaneously used as input of dose calculation and meteorological simulation, professional engineering software is used for analysis and calculation, calculation results are sent to a VR simulation training module in real time through a communication module, and three-dimensional special effects in a three-dimensional scene are driven to be displayed in real time.
And step 5, a learner in the VR simulation training module operates according to an emergency strategy or inserts intervention measures into the accident process by the learner, the operations and the intervention are transmitted to the accident simulation module in the form of parameters, the accident simulation module is driven to make corresponding adjustment and calculation, and then the operations in the step 3 and the step 4 are repeated.
The dosimeter sub-module combines point-kernel integration with the Monte Carlo method. When the system is subjected to operation intervention, the dosimeter module performs calculation by using a point-core integration method and a Monte Carlo method simultaneously, and the calculation of the point-core integration method can generally quickly give out results and transmit data to a three-dimensional scene; the Monte Carlo method has slower calculation speed, the calculation result carried out in the background is stored in a database module, and the system can call the detailed data calculated by the Monte Carlo method when needed.
All three-dimensional special effects in the VR simulation training module, such as containment internal temperature, containment internal pressure, primary loop breach injection flow, core temperature, core water level, steam generator liquid level, voltage stabilizer liquid level, control rod position and the like, are driven by parameters of the accident simulation calculation module and are expressed in consistency with related parameters.
The parameters of the accident simulation calculation module are divided into an online type and an offline type. The accident simulation calculation module and the VR simulation training module are in the same network environment, and under the condition that network communication is smooth, real-time bidirectional data interaction is carried out between the accident simulation calculation module and the VR simulation training module. When the accident simulation calculation module is absent in the system, the VR simulation training module directly calls information stored in the database module to evolve and display.
The VR simulation training module has the function of a physical engine, can realize physical collision and man-machine engineering, and has the technology of accessibility analysis and human radiation dose.
The VR simulation training module has an AI engine function, and can perform statistical analysis on errors and update and improve strategies.
The student terminal system adopts immersive wearable equipment to simulate, so that the scene of nuclear accident occurrence is simulated to the maximum extent, and the student is trained personally.
The student terminal system can realize multi-person synchronous online training and can realize multi-person cooperative training of nuclear emergency.
Claims (6)
1. The nuclear accident emergency simulation training system is characterized in that: the system comprises an accident simulation module, a communication module, a VR simulation training module and a database module; the accident simulation module and the VR simulation training module are in data interaction with the communication module; the database module inputs data to the accident simulation module, the communication module and the VR simulation training module; the accident simulation module outputs data to the database module; the VR simulation training module comprises a student terminal module, an instructor terminal module, a physical engine sub-module and an AI engine sub-module; the AI engine submodule outputs data to the database module;
the accident simulation module comprises a dosage calculation sub-module, a meteorological simulation sub-module and an accident simulation sub-module; the method comprises the steps that a dosimeter module calculates radiation doses of surrounding environments by adopting a point-core integration method and a Monte Carlo method, and when the system is subjected to operation intervention, the dosimeter module calculates by adopting the point-core integration method and the Monte Carlo method at the same time, and the calculation of the point-core integration method is used for transmitting data to a three-dimensional scene; the Monte Carlo method is used for storing the calculation result carried out in the background into the database module, and when the calculation result is needed, the system calls the detailed data calculated by the Monte Carlo method;
the AI engine submodule is used for analysis statistics and update improvement of the system, including error statistics and strategy improvement;
the VR simulation training module has a physical engine function, can realize physical collision and man-machine engineering, and has the reachability analysis and human radiation dose technology;
the accident simulation sub-module is used for calculating the evolution simulation of the nuclear accident, and adopting simulation calculation software developed based on a serious analysis program of engineering application to simulate the evolution development of the nuclear accident; the accident simulation calculation module and the VR simulation training module are in the same network environment, and under the condition that network communication is smooth, real-time bidirectional data interaction is carried out between the accident simulation calculation module and the VR simulation training module; when the accident simulation calculation module is absent in the system, the VR simulation training module directly calls information stored in the database module to evolve and display.
2. The nuclear accident emergency simulation training system of claim 1, wherein: the meteorological simulation submodule is used for calculating the large probability pollution source diffusion of a specific plant site under a specific time condition.
3. The nuclear accident emergency simulation training system of claim 1, wherein: the student terminal module is used for training students and comprises a training mode and an assessment mode.
4. The nuclear accident emergency simulation training system of claim 1, wherein: the instructor terminal module is used for instructor use and comprises training scene presetting, real-time intervention in a training process, student assessment scoring, student training assessment record and playback.
5. The nuclear accident emergency simulation training system of claim 1, wherein: the physical engine submodule simulates physical properties of simulation training, including physical collision and man-machine engineering, and analyzes and calculates the accessibility of the device.
6. The nuclear accident emergency simulation training system of claim 1, wherein: the database module comprises a three-dimensional model, attribute information, personnel information, accident scenes, scene special effects, emergency strategies, dose data, accident simulation data and historical meteorological information.
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| CN115132010A (en) * | 2022-06-22 | 2022-09-30 | 中广核研究院有限公司 | Virtual drilling method and system for nuclear power station valve maintenance |
| CN115223416A (en) * | 2022-08-05 | 2022-10-21 | 广东警官学院(广东省公安司法管理干部学院) | Visual virtual reality radiation source prevention and control equipment simulation system |
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| CN105976670A (en) * | 2016-07-15 | 2016-09-28 | 安徽工业大学 | Three-dimensional emergency drilling virtual system and construction method and use method thereof |
| CN106710356A (en) * | 2017-03-22 | 2017-05-24 | 交通运输部水运科学研究所 | Oil spill accident simulation training simulation method |
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| CN105654806A (en) * | 2016-03-22 | 2016-06-08 | 中国特种设备检测研究院 | Simulation training and checking system and method for pipe leakage accidents |
| CN105976670A (en) * | 2016-07-15 | 2016-09-28 | 安徽工业大学 | Three-dimensional emergency drilling virtual system and construction method and use method thereof |
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