Nuclear accident emergency desktop deduction and decision-making system and method

Abstract

The invention belongs to the field of nuclear accident emergency, and particularly relates to a nuclear accident emergency desktop deduction and decision-making system and method.The method comprises the steps that a system management module manages system data, sends source item information and environment information to a simulation prediction module, obtains accident process data and protection evaluation data and stores the accident process data and the protection evaluation data; the project information and the user information are sent to the deduction guiding module, and rescue cases, accident cases and decision data are obtained and stored; the deduction guidance module implements deduction action simulation and guidance intervention control; the simulation and prediction module performs accident and action calculation and simulation and prediction; the deduction guidance module sends guidance intervention data and accident intervention data to the simulation prediction module, and obtains an accident process, dose information and protection suggestions; and the display module displays the deduction process. According to the invention, the drilling effect and reality of desktop deduction and the rationality and accuracy of a decision support scheme can be improved.

Description

Technical Field

[0001] The present invention belongs to the field of nuclear accident emergency response, and in particular relates to a nuclear accident emergency desktop simulation and decision-making system and method. Background Art

[0002] In the field of nuclear accident emergency rescue, tabletop exercises have always been an important auxiliary means. By simulating emergency incidents, it can test emergency plans, improve emergency preparedness, train emergency teams, run-in emergency mechanisms, and popularize emergency knowledge. In addition, by accumulating data through tabletop exercises, it can provide support for accident rescue decisions.

[0003] Traditional desktop simulation systems use text, pictures, sand tables, flowcharts, computer simulations, video materials, etc. to describe emergency scenarios, and use various auxiliary tools such as sand tables and war games to improve simulation results. However, in this process, the simulation scenarios are solidified at the beginning of implementation, and the scenarios cannot be adjusted on a large scale according to actual conditions during the simulation process, so they are not real-time. In view of the complexity, dynamism, unpredictability and destructiveness of nuclear accidents, traditional desktop simulation systems cannot provide real-time or matching scenarios.

[0004] The nuclear accident emergency desktop simulation and decision-making system and method mentioned in the present invention can adapt to the characteristics of the current nuclear accident, dynamically configure the scenario, and integrate the simulation work with the decision-making work, thereby improving the simulation effect and realism, and also improving the accuracy of decision-making. Summary of the invention

[0005] The purpose of the present invention is to provide a nuclear accident emergency desktop simulation and decision-making system and method, which can configure the nuclear accident emergency scope and scenario, and then perform desktop simulation and decision-making work, which greatly improves the exercise effect and realism of the desktop simulation, and also improves the rationality and accuracy of the decision support plan.

[0006] The technical solution to achieve the purpose of the present invention is:

[0007] A nuclear accident emergency desktop simulation and decision-making system, the system comprising: a system management module, a simulation and prediction module, a simulation and prediction module, and a display module; the system management module manages the system data, and sends source item information and environmental information to the simulation and prediction module, obtains and stores accident process data and protection evaluation data; sends project information and user information to the simulation and prediction module, obtains and stores rescue cases, accident cases and decision data; the simulation and prediction module implements simulation action simulation and simulation and prediction intervention control; the simulation and prediction module performs accident and action calculation and simulation and prediction; the simulation and prediction module sends simulation and prediction intervention data and accident intervention data to the simulation and prediction module, and obtains accident process, dose information and protection suggestions; the display module obtains and displays meteorological case data, accident process data and protection evaluation data from the simulation and prediction module, and obtains and displays rescue plans and accident cases from the simulation and prediction module.

[0008] The system management module includes a system database and a front-end interface program; the system database is used to store, back up and process system data, and perform operations such as adding, deleting, modifying and checking system data and recording system data operation logs according to interactive instructions; the front-end interface program operates the system database through visual instruction operations to facilitate database maintenance and data processing.

[0009] The deduction and guidance module includes a scenario editing submodule, a drill guidance submodule, a deduction operation submodule, an action simulation submodule, and a deduction and evaluation submodule; the scenario editing submodule is used to edit the nuclear emergency scenario, including the extraction, placement, and attribute editing operations of the environment, equipment, personnel, etc., meteorological data editing, radiation data editing, etc. The drill guidance submodule supports users to implement planned guidance and random guidance, and perform intervention operations on the drill seats and simulation entities; the deduction and operation submodule supports users to carry out nuclear emergency rescue drills with roles in the scenario. When the user seats are insufficient, virtual seats are used to supplement and cooperate with the user's operation seats to complete the drill; the action simulation submodule is used to simulate the individual and group actions of the simulation entities; the deduction and evaluation submodule supports the evaluation of the feasibility of the nuclear emergency plan, the effectiveness of the nuclear emergency command and response actions, the completeness of the nuclear emergency preparation, etc., and also supports the use of single nuclear emergency drills.

[0010] The simulation prediction module includes a weather forecast submodule, a radiation diffusion simulation submodule, a consequence evaluation submodule, and an action protection suggestion submodule; the weather forecast submodule calls the weather program to complete the weather forecast function and provides data under different atmospheric diffusion modes; the radiation diffusion simulation submodule calls the weather forecast submodule data to realize the atmospheric diffusion simulation of radiation, and records and saves the calculated data for real-time display; the consequence evaluation submodule predicts the dose of different irradiation pathways in the early stage of the accident within the simulation range based on the radioactive nuclide concentration field and the radioactive nuclide physical and chemical property parameters generated by the atmospheric diffusion simulation; the action protection suggestion submodule generates protection action suggestions for the public under emergency conditions based on two types of data: the predicted dose field or the radiation monitoring data, and by calling the plant site environmental information, according to the scope involved in each type of protection action, the number of key resident groups involved in the protection action and the corresponding population are counted, so as to concretize the formulated protection action suggestions.

[0011] The display module includes a GIS display submodule and a three-dimensional scene data display submodule; the GIS display submodule is built using the GIS system, provides map display and query functions, is used to display environmental space information, and uses the simulation prediction module and the deduction and guidance module data to perform real-time data updates; the three-dimensional scene data display submodule uses a three-dimensional engine to produce and develop three-dimensional models of tools, rescue personnel, vehicles, equipment, etc., and builds a detailed nuclear emergency rescue scene to simulate and display the development of specific rescue work and guide rescue personnel to carry out rescue operations.

[0012] A nuclear accident emergency desktop simulation and decision-making method, the method comprising:

[0013] Step 1, the system management module stores project information, user information, and preset information;

[0014] Step 2: The simulation guidance module calls the data interface, preloads data, and starts simulation;

[0015] Step 3: The simulation prediction module calculates based on the preloaded data to obtain accident data;

[0016] Step 4: The simulation guidance module generates an emergency plan based on the accident data;

[0017] Step 5: The deduction and guidance module interacts with the simulation and prediction module for data and continues deduction;

[0018] Step 6: The simulation guidance module gives simulation evaluation and decision-making suggestions and ends the simulation.

[0019] The preloaded data in step 2 includes: project information, user information, and preset information.

[0020] The accident data in step 3 includes: accident process, dosage information, and protection recommendations.

[0021] The step 5 includes: the deduction and guidance module generates command and guidance instructions according to the accident data such as accident process, dosage information, protection suggestions, etc. provided by the simulation and prediction module, and conducts guidance intervention through planned guidance or random guidance, and its deduction operation submodule and action simulation submodule complete corresponding actions according to the guidance instructions to intervene in the accident, and pass the guidance intervention and accident intervention instruction data to the simulation and prediction module for real-time calculation, and display the process through the display module.

[0022] The method also includes: real-time nuclear accident emergency process simulation, extracting information required by the system according to the actual situation, performing system operations with reference to the project business logic after completing the information import, generating an immediate rescue plan, and providing decision-making suggestion reference for the actual situation.

[0023] The beneficial technical effects of the present invention are:

[0024] 1. The present invention provides a nuclear accident emergency desktop simulation and decision-making system, which uses three-dimensional simulation, GIS technology, information management technology, and desktop simulation technology to manage and simulate data during the nuclear emergency process, and evaluates the simulation process and results according to a given algorithm.

[0025] 2. The nuclear accident emergency desktop simulation and decision-making system provided by the present invention calculates the simulation preset conditions and changes given by external input, and then passes the data to the simulation module as a reference, generates emergency plans for simulation, and can intervene automatically or manually. At the same time, the simulation process data is displayed in real time in the display interaction module.

[0026] 3. The nuclear accident emergency desktop simulation and decision-making system provided by the present invention can synchronously save the entire simulation process data through the system management module, support the inversion of simulation data, trace back the simulation process and result data, and perform secondary intervention on the simulation process during the traceback process, and generate new simulation data. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of a nuclear accident emergency desktop simulation and decision-making system provided by the present invention;

[0028] Figure 2 This is a flow chart of a nuclear accident emergency desktop simulation and decision-making method provided by the present invention. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0030] like Figure 1 As shown, the present invention provides a nuclear accident emergency desktop simulation and decision-making system, including: a system management module, a simulation guidance module, a simulation prediction module, and a display module; the system management module is used for system and data management, the simulation guidance module is used for implementing simulation action simulation and guidance intervention control, the simulation prediction module is used for accident and action calculation and simulation prediction, and the display module is used for displaying the simulation process. The system management module manages the data of this system, and sends source item information and environmental information to the simulation prediction module, obtains and stores accident process data and protection evaluation data; sends project information and user information to the simulation guidance module, obtains and stores rescue cases, accident cases and decision data. The simulation guidance module sends guidance intervention data and accident intervention data to the simulation prediction module, and obtains accident process, dose information and protection suggestions. The display module obtains and displays meteorological case data, accident process data and protection evaluation data from the simulation prediction module, and obtains and displays rescue plans and accident cases from the simulation guidance module.

[0031] The system management module includes the system database and the front-end interface program. The system database is used to store, back up and process system data, and perform operations such as adding, deleting, modifying and checking system data and recording system data operation logs according to interactive instructions; the front-end interface program operates the system database through visual instruction operations, which is convenient for database maintenance and data processing.

[0032] The simulation guidance module includes the scenario editing sub-module, the exercise guidance sub-module, the simulation operation sub-module, the action simulation sub-module, and the simulation evaluation sub-module.

[0033] The scenario editing submodule is used to edit nuclear emergency scenarios, including extraction, placement, and attribute editing of elements such as environment, equipment, and personnel, as well as meteorological data editing and radiation data editing. The drill guidance submodule supports users to implement planned guidance and random guidance, and perform intervention operations on drill seats and simulation entities. Planned guidance supports users to implement drills according to the assumed conditions (preset instructions) of nuclear emergency scenarios; random guidance supports users to implement drills of multi-factor assumed conditions (preset instructions). The deduction operation submodule supports users to conduct nuclear emergency rescue drills with roles in the scenario. When the user seats are insufficient, virtual seats are used to supplement and cooperate with the user's operation seats to complete the drill. The action simulation submodule is used to simulate individual and group actions of simulation entities, such as the operation of vehicles and drones, and the implementation of single-person rescue operations. The deduction evaluation submodule supports the evaluation of the feasibility of nuclear emergency plans, the effectiveness of nuclear emergency command and response actions, and the completeness of nuclear emergency preparedness. It also supports single nuclear emergency drills.

[0034] The simulation and prediction module includes a weather forecast submodule, a radiation diffusion simulation submodule, a consequence assessment submodule, and an action protection recommendation submodule.

[0035] The weather forecast submodule calls the weather program to complete the weather forecast function and provides data under different atmospheric diffusion modes.

[0036] The radiation diffusion simulation submodule calls the weather forecast submodule data to realize the atmospheric diffusion simulation of radiation, and records and saves the calculated data for real-time display.

[0037] The consequence assessment submodule predicts the dose of different exposure pathways in the early stages of the accident within the simulation range based on the radionuclide concentration field generated by the atmospheric diffusion simulation, as well as parameters such as the physical and chemical properties of radionuclides (decay information, dose conversion factors).

[0038] The action protection recommendation submodule generates protection action recommendations for the public in emergency situations based on two types of data: predicted dose field or radiation monitoring data. It also calls on the site environmental information and, based on the scope of each type of protection action, counts the number of towns, villages and other population centers, schools, kindergartens, hospitals, nursing homes and other key resident groups involved in the protection actions, as well as the corresponding population numbers, in order to make the formulated protection action recommendations specific.

[0039] The display module includes a GIS display submodule and a three-dimensional scene data display submodule; the GIS display submodule is built using the GIS system to provide map display and query functions, which is used to display environmental spatial information, and use the data from the simulation prediction module and the deduction and guidance module to update data in real time; the three-dimensional scene data display submodule uses a three-dimensional engine to create and develop three-dimensional models of tools, rescue personnel, vehicles, equipment, etc., and build a detailed nuclear emergency rescue scene to simulate and display the development of specific rescue work and guide rescue personnel to carry out rescue operations.

[0040] like Figure 2 As shown, the present invention provides a nuclear accident emergency desktop simulation and decision-making method, which specifically includes the following steps:

[0041] Step 1: The system management module stores project information, user information, and preset information

[0042] Step 2: The simulation guidance module calls the data interface, preloads data, and starts simulation

[0043] The simulation guidance module preloads data by calling the relevant data interface of the system management module, including project information, user information (operating seat allocation information) and preset information (scenarios, accidents, etc.), and displays it through the display module to start the simulation.

[0044] Step 3: The simulation prediction module calculates based on the preloaded data to obtain the accident data

[0045] The simulation prediction module calculates based on the preloaded data to obtain the accident data, which is then displayed in the display module. The accident data includes the accident process, dose information, and protection recommendations.

[0046] Step 4: The simulation guidance module generates an emergency plan based on the accident data

[0047] The simulation and guidance module generates the corresponding emergency plan based on the accident process, dose information, protection suggestions and other accident data provided by the simulation and prediction module.

[0048] Step 5: The deduction and guidance module interacts with the simulation and prediction module for continuous deduction

[0049] The deduction and guidance module generates command and guidance instructions based on the accident data such as accident progress, dosage information, protection recommendations, etc. provided by the simulation and prediction module, and conducts guidance intervention through planned guidance or random guidance. Its deduction operation submodule and action simulation submodule complete corresponding actions according to the guidance instructions to intervene in the accident, and pass the guidance intervention and accident intervention instruction data to the simulation and prediction module for real-time calculation, and display the process through the display module.

[0050] Step 6: The simulation guidance module gives simulation evaluation and decision suggestions, and ends the simulation.

[0051] The simulation evaluation submodule of the simulation guidance module will conduct simulation evaluation based on the data generated during the simulation process and provide decision-making recommendations.

[0052] A nuclear accident emergency desktop simulation and decision-making method provided by the present invention also includes: real-time nuclear accident emergency process simulation, extracting information required by the system according to the actual situation, performing system operations with reference to the project business logic after completing the information import, generating an immediate rescue plan, and providing decision-making suggestion reference for the actual situation.

[0053] The present invention is described in detail above with reference to the accompanying drawings and embodiments, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention. The contents not described in detail in the present invention can adopt the existing technology.

Claims

1. A nuclear accident emergency desktop simulation and decision-making system, characterized in that: The system comprises: a system management module, a simulation and prediction module, a display module; the system management module manages the data of the system, and sends source item information and environmental information to the simulation and prediction module, obtains and stores accident process data and protection evaluation data; sends project information and user information to the simulation and prediction module, obtains and stores rescue cases, accident cases and decision data; the simulation and prediction module implements simulation action simulation and guidance intervention control; the simulation and prediction module performs accident and action calculation and simulation prediction; the simulation and prediction module sends guidance intervention data and accident intervention data to the simulation and prediction module, and obtains accident process, dosage information and protection suggestions; the display module obtains and displays meteorological case data, accident process data and protection evaluation data from the simulation and prediction module, and obtains and displays rescue plans and accident cases from the simulation and prediction module.

2. A nuclear accident emergency desktop simulation and decision-making system according to claim 1, characterized in that: The system management module includes a system database and a front-end interface program; the system database is used to store, back up and process system data, and perform operations such as adding, deleting, modifying and checking system data and recording system data operation logs according to interactive instructions; The front-end interface program operates the system database through visual command operations, which facilitates database maintenance and data processing.

3. A nuclear accident emergency desktop simulation and decision-making system according to claim 1, characterized in that: The deduction and guidance module includes a scenario editing submodule, a drill guidance submodule, a deduction operation submodule, an action simulation submodule, and a deduction and evaluation submodule; the scenario editing submodule is used to edit the nuclear emergency scenario, including the extraction, placement, and attribute editing operations of the environment, equipment, personnel, etc., meteorological data editing, radiation data editing, etc. The drill guidance submodule supports users to implement planned guidance and random guidance, and perform intervention operations on the drill seats and simulation entities; the deduction and operation submodule supports users to carry out nuclear emergency rescue drills with roles in the scenario. When the user seats are insufficient, virtual seats are used to supplement and cooperate with the user's operation seats to complete the drill; the action simulation submodule is used to simulate the individual and group actions of the simulation entities; the deduction and evaluation submodule supports the evaluation of the feasibility of the nuclear emergency plan, the effectiveness of the nuclear emergency command and response actions, the completeness of the nuclear emergency preparation, etc., and also supports the use of single nuclear emergency drills.

4. A nuclear accident emergency desktop simulation and decision-making system according to claim 1, characterized in that: The simulation and prediction module includes a weather forecast submodule, a radiation diffusion simulation submodule, a consequence assessment submodule, and an action protection suggestion submodule; The weather forecast submodule calls the weather program to complete the weather forecast function and provides data under different atmospheric diffusion modes; The radiation diffusion simulation submodule calls the data of the meteorological forecast submodule to realize the atmospheric diffusion simulation of radiation, and records and saves the calculated data for real-time display. The consequence assessment submodule predicts the dose of different exposure pathways in the early stage of the accident within the simulation range based on the radionuclide concentration field and the physical and chemical property parameters of the radionuclide generated by the atmospheric diffusion simulation. The action protection recommendation submodule generates protection action recommendations for the public in emergency situations based on two types of data: predicted dose field or radiation monitoring data. It also calls the site environmental information and, according to the scope of each type of protection action, counts the number of key resident groups and the corresponding population involved in the protection action, so as to concretize the formulated protection action recommendations.

5. A nuclear accident emergency desktop simulation and decision-making system according to claim 1, characterized in that: The display module includes a GIS display submodule and a three-dimensional scene data display submodule; the GIS display submodule is built using the GIS system, provides map display and query functions, is used to display environmental space information, and uses the simulation prediction module and the deduction and guidance module data to perform real-time data updates; the three-dimensional scene data display submodule uses a three-dimensional engine to produce and develop three-dimensional models of tools, rescue personnel, vehicles, equipment, etc., and builds a detailed nuclear emergency rescue scene to simulate and display the development of specific rescue work and guide rescue personnel to carry out rescue operations.

6. A nuclear accident emergency desktop simulation and decision-making method, using a nuclear accident emergency desktop simulation and decision-making system according to claim 1, characterized in that: The method comprises: Step 1, the system management module stores project information, user information, and preset information; Step 2: The simulation guidance module calls the data interface, preloads data, and starts simulation; Step 3: The simulation prediction module calculates based on the preloaded data to obtain accident data; Step 4: The simulation guidance module generates an emergency plan based on the accident data; Step 5: The deduction and guidance module interacts with the simulation and prediction module for data and continues deduction; Step 6: The simulation guidance module gives simulation evaluation and decision-making suggestions and ends the simulation.

7. A nuclear accident emergency desktop simulation and decision-making method according to claim 6, characterized in that: The preloaded data in step 2 includes: project information, user information, and preset information.

8. A nuclear accident emergency desktop simulation and decision-making method according to claim 6, characterized in that: The accident data in step 3 includes: accident process, dosage information, and protection recommendations.

9. A nuclear accident emergency desktop simulation and decision-making method according to claim 6, characterized in that: The step 5 includes: the deduction and guidance module generates command and guidance instructions according to the accident data such as accident process, dosage information, protection suggestions, etc. provided by the simulation and prediction module, and conducts guidance intervention through planned guidance or random guidance, and its deduction operation submodule and action simulation submodule complete corresponding actions according to the guidance instructions to intervene in the accident, and pass the guidance intervention and accident intervention instruction data to the simulation and prediction module for real-time calculation, and display the process through the display module.

10. A nuclear accident emergency desktop simulation and decision-making method according to claim 6, characterized in that: The method also includes: real-time nuclear accident emergency process simulation, extracting information required by the system according to the actual situation, performing system operations with reference to the project business logic after completing the information import, generating an immediate rescue plan, and providing decision-making suggestion reference for the actual situation.

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