A cloud-based LVC chemical defense simulation training system and method

Abstract

The present invention proposes a cloud-based LVC chemical defense simulation training system, which includes: a guidance and control evaluation system, which is used for training management, guidance and control, training monitoring and judgment evaluation, and is used for subscribing to and publishing user training data, downloading training images, downloading training data from a cloud platform, and obtaining desktop monitoring and camera monitoring data; a cloud platform, which is used to provide public resource support for external systems; a simulation training terminal, which is used for receiving power-on instructions and image data issued by a terminal management tool, reporting simulator status, reporting PC monitoring data, and uploading data after training reception; a simulator, which includes receiving power-on instructions and image data issued by a terminal management tool, reporting PC monitoring data, and uploading data after training reception; and a communication terminal, which performs instant communication during simulation training via a simulation communication terminal, including reporting and receiving various types of information and status.

Description

Technical Field

[0001] The present invention relates to the field of computer technology, and in particular to a cloud-based LVC chemical defense simulation training system and method. Background Art

[0002] Training simulation systems are typically large and complex systems. Digital simulation of such systems cannot be accomplished with a single device. Therefore, existing systems primarily utilize distributed simulation technology. Distributed simulation connects multiple simulation devices via a network, distributing system simulation tasks across network nodes to support the proper operation of the simulation model and achieve the desired results. Simulation system architecture, task synchronization, task scheduling, and communication mechanisms are key technologies in distributed simulation systems. However, as simulation scale and business demands increase, the design of distributed simulation system architecture becomes increasingly difficult, resulting in slower response times and higher throughput. Deployment becomes complex and inflexible, and operations and maintenance become more complex.

[0003] The LVC simulation system is constructed by combining three types of simulation: live, virtual, and constructive. Live simulation involves real people using real equipment to simulate actions on an actual battlefield, primarily used in experiments and training. Virtual simulation involves systems and troops simulating combat on a synthetic battlefield, often with real people operating the simulated system. Constructive simulation is a war game and analysis tool, typically using simulated people to operate the simulated system.

[0004] Traditional chemical defense simulation training utilizes distributed simulation technology, resulting in a rigid architecture that is difficult to modify. This leads to duplicated system construction, poor resource scalability, and complex deployment and maintenance. During traditional chemical defense training, live, virtual, and constructed simulations are independent of each other, with fragmented simulation data and a lack of interoperability. Virtual simulation includes multiple independent subsystems, creating data silos and silos. Furthermore, chemical defense simulation training cycles are short, and training requirements and scenarios are ever-changing, requiring unified underlying data to support rapid adjustments and configurations of upper-layer applications and services.

[0005] The simulation method is applied in the field of chemical defense simulation training. At the system level, it targets three user groups: trainees, trainers, and system administrators. Focusing on the business needs of chemical defense equipment skills training, unit tactical training, and comprehensive exercises, it integrates simulators, desktop cloud systems, mobile terminals, sensors, and other devices and systems through a cloud platform to build a unified chemical defense simulation training system. At the business level, it is necessary to support the various professional training subjects involved in chemical defense simulation training scenarios, including chemical defense unit tactical simulation, nuclear explosion monitoring simulation, nuclear, biological, and chemical reconnaissance simulation, nuclear, biological, and chemical detection simulation, nuclear emergency simulation training, chemical emergency simulation training, smoke unit tactical simulation, and fire attack simulation training.

[0006] However, there are still some key issues that need to be addressed in the simulation system of existing chemical defense simulation training scenarios, including:

[0007] (1) During chemical defense simulation training, live simulation, virtual simulation, and construction simulation are independent of each other and cannot be effectively combined;

[0008] (2) In chemical defense simulation training, the data of each subsystem of virtual simulation is fragmented, resulting in data silos and information islands, and the efficiency of interconnection and subsystem coordination is low;

[0009] (3) The chemical defense simulation training cycle is short, and the training requirements and scenarios are changing. The simulation system needs to adapt to the rapidly changing needs and needs to be able to be quickly adjusted and configured according to business needs;

[0010] (4) The training resources in traditional chemical defense simulation training systems have poor scalability and cannot achieve flexible resource supply based on business needs. The simulation systems are repeatedly built and the deployment and maintenance of decentralized simulation systems are complex.

[0011] In response to the above key issues, technical personnel need to propose new solutions to integrate and innovate various chemical defense simulation training systems to improve the interconnection and interoperability of simulation systems. Summary of the Invention

[0012] The present invention provides a cloud-based LVC (Live Virtual Constructive) chemical defense simulation training system and method. By integrating a guidance and control evaluation system, a cloud platform, a simulation training terminal, a simulator, and a communication terminal, a chemical defense simulation training simulation system is formed, integrating three simulation modes: live simulation, virtual simulation, and construction simulation. Among them, the cloud platform uses distributed storage to uniformly store data, uniformly store data on disk, and share data, breaking through data chimneys and data islands; through the cloud platform basic network, the Dante network, monitoring network, DDS multicast network, and business network are integrated to achieve interconnection between the simulator, communication terminal, guidance and control system, and cloud platform network. In addition, the business network is optimized to support the division of logical subnets for isolation according to the characteristics of business data, and support bandwidth reservation and speed limit for logical subnets; combined with templates and orchestration technology, resources can be created and withdrawn with one click, meeting the requirements of short chemical defense simulation training and simulation training cycles and changing training requirements, and supporting the efficient operation of chemical defense simulation training services in the simulation system.

[0013] The purpose of the present invention is to be able to open up unified storage of underlying data based on a cloud environment, adapt different links to achieve network interconnection, integrate live simulation, virtual simulation and construction simulation, and solve the problems of data fragmentation, data islands and data chimneys in existing simulation systems; realize one-click resource preparation, one-click withdrawal and other functions, meet the needs of short chemical defense simulation training and simulation training cycles and changing training needs, and improve the efficiency of interconnection and interoperability of simulation systems.

[0014] The technical solution of the present invention is: a cloud-based LVC chemical defense simulation training system, comprising:

[0015] The guidance and control evaluation system is used for training management, guidance and control, training monitoring, and adjudication evaluation. It is used to subscribe to and publish user training data, download training images, download environmental data from the cloud platform, and obtain desktop monitoring and camera monitoring data.

[0016] The cloud platform is used to provide public resource support to external systems and manage computers and edge devices. The cloud platform carries equipment models, geographic data, meteorological data, data models, and training scenarios.

[0017] Simulation training terminal, used for issuing boot commands and image data from the terminal management tool, reporting simulator status, reporting PC monitoring data, and uploading data after training;

[0018] The simulator includes the boot-up instructions and image data issued by the end management tool, the reporting of PC monitoring data, and the uploading of data after training. For the desktop simulator training system, the corresponding virtual machine system image is downloaded according to the training plan.

[0019] Communication terminal, through the simulated communication terminal, real-time communication is carried out in simulation training, including reporting and receiving various types of information and status.

[0020] Beneficial effects:

[0021] The present invention realizes a simulation training system based on a cloud platform, which can flexibly supply virtual training resources on demand, realize unified resource scheduling and monitoring, improve the utilization rate of hardware resources, and avoid the problems of repeated construction and scattered system deployment and complex maintenance of traditional simulation systems; it solves the problems of scattered simulation subsystems and data fragmentation, low coordination and linkage efficiency in traditional simulation systems, and integrates three types of simulation: live simulation, virtual simulation, and construction simulation, thereby improving the interconnection and interoperability of simulation systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the LVC simulation fusion architecture;

[0023] Figure 2 It is a diagram of the composition and information interaction of the virtual simulation system;

[0024] Figure 3 It is the external information interaction relationship diagram;

[0025] Figure 4 This is a diagram of the internal interaction relationship between the basic resources of the cloud platform;

[0026] Figure 5 It is the interaction flow chart of the simulation system based on LVC;

[0027] Figure 6 Independent training mode for the training room;

[0028] Figure 7 It is a full system joint training mode. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] According to an embodiment of the present invention, a cloud-based LVC chemical defense simulation training system is proposed, which can realize the functions of live simulation, virtual simulation, and construction simulation. Live simulation is the premise, virtual simulation is the core, and construction simulation is the auxiliary. The three simulation modules are integrated. The overall structure diagram is as follows: Figure 1 As shown:

[0031] The live simulation involves simulated operations and test training of real equipment on the actual battlefield, generating scenario files and guidance and control data for the entire training process. These scenario files and guidance and control data can be used as input command information and transmitted to the virtual simulation scene.

[0032] Virtual simulation uses this guidance and control data to conduct virtual simulation in a chemical defense simulation training system. The system and the military conduct simulated combat and training in a synthetic environment under the guidance of guidance and control data. The entire training process is recorded and stored uniformly. Recording and storing simulation training data can provide data support for constructing simulation scenarios.

[0033] Structural simulation replays the entire recorded and stored simulation process, edits and reconstructs the virtual simulation training during the playback process, and then conducts damage and combat power assessments on different structural simulations, and deduces the combat power situation of the opposing parties in the structural simulation.

[0034] According to one embodiment of the present invention, the cloud-based LVC chemical defense simulation training system includes:

[0035] The entire virtual simulation system consists of a cloud platform, a guidance and control evaluation system, a simulation training terminal, a simulator, and a communication terminal. There is data interaction between them. The cloud platform, as the basic foundation, provides deployment environment, storage services, resource management and monitoring functions, and carries equipment models, geographic data, meteorological data, data models, and training scenarios. Figure 2 As shown:

[0036] The simulation system mainly includes:

[0037] (1) Guidance and control evaluation system, which mainly includes training management, guidance and control, training monitoring and judgment evaluation. It is used to subscribe to and publish user training data, download training images, download environmental data from the cloud platform, and obtain desktop monitoring and camera monitoring data.

[0038] (2) Cloud platform, which mainly provides public resource support to external systems and manages computers and edge devices. The cloud platform carries environmental data, geographic data, meteorological data, data models and training scenarios.

[0039] (3) Simulation training terminal, mainly including the power-on command issued by the terminal management tool, the issuance of mirror data, the reporting of simulator status, the reporting of PC monitoring data, and the uploading of data after training reception.

[0040] (4) Simulator, which mainly includes the boot-up instructions issued by the terminal management tool, the issuance of image data, the reporting of PC monitoring data, and the uploading of data after training. For the desktop simulator training system, it is also necessary to download the corresponding virtual machine system image according to the training plan.

[0041] (5) Communication terminal: It mainly conducts instant communication in simulation training through simulated communication terminal, including reporting and receiving various information and status.

[0042] Furthermore, the external information interaction of the LVC-based chemical defense simulation training system is mainly the data interaction between the cloud platform and the guidance and control evaluation system, as follows Figure 3 As shown in the figure, the cloud platform and the guidance, control, and evaluation system are integrated through a front-end integrated portal, with access to the cloud platform through authentication and authorization. The cloud platform's infrastructure network integrates four network links: the Dante network, the monitoring network, the DDS multicast network, and the service network. The underlying cloud platform provides unified storage services, including file storage, object storage, and block storage, and database services to upper layers. The cloud platform and guidance, control, and evaluation system interact with communication terminals and simulator / training terminals via the network.

[0043] Cloud platform users interact with cloud platform virtualization components through the user interface. For example, ordinary users operate the cloud platform through the interface to create and use virtual machines, and operate the cloud platform through the user interface to view monitoring information such as the status and usage of various virtual machine resources; cloud platform virtualization components call the database through the data interface to access data; virtual machine log information is collected through the log collection service; other systems can call the cloud platform through the system integration interface to obtain certain data to achieve inter-system interoperability, etc.

[0044] Combine Figure 4 As shown in the figure, when a user creates a VM in the user interface, they first obtain authentication information from the authentication service. The authentication service receives the authentication information from the user and generates an authorization token, which it returns to the corresponding authentication request. The one-key resource prepares a request to launch an instance (with the authorization token). After the Compute service accepts the request, it sends an authentication request to the authentication service to check whether the token is valid. If so, it returns a valid authentication and the corresponding role.

[0045] After authentication, the Compute service communicates with the database to initialize a database record for the newly created virtual machine. The Compute service determines whether resources are available for virtual machine creation. The Compute service scheduling process listens to the message queue and receives the Compute service request. The Compute service scheduling function queries the Compute service database for computing resources and uses a scheduling algorithm to calculate hosts that meet the requirements for virtual machine creation. For hosts that meet the requirements, the Compute service scheduling function updates the database with the physical host information corresponding to the virtual machine. A message requesting virtual machine creation is sent to the Compute service's virtual machine management. The Compute service retrieves the virtual machine creation request message from the corresponding message queue and requests virtual machine information. The Compute service obtains an authentication token from the Authentication service and requests the Image service via HTTP to obtain the image required for virtual machine creation. The Image service verifies the validity of the authentication token with the Authentication service and returns the verification result.

[0046] If authentication is successful, the Compute service obtains the VM image information (URL) and the authentication token. It then requests the network service via HTTP to obtain the network information needed to create the VM. The network service verifies the token's validity with the authentication service and returns the verification result. If token verification is successful, the Compute service obtains the VM network information, obtains the authentication token from the authentication service, and then requests the distributed storage service via HTTP to obtain the persistent storage information needed to create the VM. The storage service verifies the token's validity with the authentication service and returns the verification result. If verification is successful, the authentication service obtains the VM's persistent storage information.

[0047] At the application level, the LVC-based chemical defense simulation training system organically integrates various platforms, resources, and components, providing unified user access authentication, unified training resource planning, unified resource monitoring, unified storage of training data, and other capabilities, supporting the flow of various business data between simulation components.

[0048] like Figure 5 The figure shows the interaction flow chart of the chemical defense simulation training system based on LVC. The business data starts from the live simulation, flows to the virtual simulation environment, and then is fed back to the live simulation through the constructed simulation to form a closed loop.

[0049] First, through unified user access authentication, a single account with legal authorization can access all business systems and begin live simulation training, which primarily involves developing command and control documents and training management.

[0050] Secondly, enter the virtual simulation environment, receive the guidance and control file and perform unified resource planning based on the file; create resources in a unified manner with one click according to the plan, including the cloud platform, guidance and control system, various professional subsystems, simulators and communication terminals, and other types of resources are prepared and ready; then check the status of various resources to confirm that the resources are ready, otherwise return to the unified creation of resources; if the resources are ready, start the simulation training, record the training data and perform unified resource monitoring, and store the training data in a unified manner until the end of the simulation training.

[0051] Then, enter the construction simulation environment, receive the training recording data from the non-virtual simulation environment, and play back the training data; edit the training data as needed for combat capability assessment and deduction; iteratively edit the training data according to the training objectives, and update the command and control file when the expected training objectives are achieved and synchronize it to the command and control file library, and finally end the construction simulation deduction.

[0052] The cloud-based LVC chemical defense simulation training system is used in simulation training. The following describes an example using a chemical defense simulation training scenario. The cloud-based LVC simulation system, relying on a data cloud platform, provides a foundation for chemical defense training. It integrates a guidance and control evaluation system (including separate guidance and control) and specialized chemical defense operation terminals, supporting multiple usage modes. The following describes both separate and combined training modes.

[0053] (1) Training scenarios

[0054] The separate training scenario is that the training room organizes training independently, which means that each training room, with the support of the data cloud platform, relies on the separate guidance and control of its professional training system to organize single-professional simulation training. The separate guidance and control directly retrieves resources and training data from the data cloud platform, issues guidance and command instructions, simulation situations, and operation instructions to each patented operation terminal of chemical defense, conducts simulation training through data interaction between them, and uploads the training process and training results data to the data cloud platform. Training mode is as follows Figure 6 shown.

[0055] During the drill preparation phase, command and control personnel relied on various specialized training systems to input basic data and training scenario data, organize training groups, and set up command seats. The resources involved in the above were retrieved from the cloud platform.

[0056] During the implementation phase of the exercise, the directors rely on various professional training systems to release training scenarios and tactical situations and conduct command and control; the trainees rely on operating terminals such as VR, desktop systems and simulators to receive command orders issued by the agency (acting as the directors) and perform relevant professional operations. The operation results enter the simulation system in the form of control instructions; the simulation system calculates the control instructions issued by the trainees, continuously generates new combat situations and situation reports, and feeds back to the trainees of the professional teams to induce them to make new decisions. This cycle repeats to advance the exercise process.

[0057] During the drill review phase, the directors and coordinators use the professional sub-direction and control's adjudication and evaluation function to make decisions and evaluate the drill situation.

[0058] (2) Joint training

[0059] The cloud platform's guidance and control evaluation system is used to plan and organize multi-disciplinary simulation training. At this time, the sub-guidance and control of each professional training room acts as a data exchange node, responsible for data interaction between the upper and lower levels. Figure 7 shown.

[0060] During the training preparation phase, the directorate, relying on the guidance, control, and assessment system, prepares basic data, plans the battlefield environment, the combined situation, and the participating chemical defense forces, schedules training slots, and generates training subject data. During the training initialization phase, the directorate first conducts situation input, primarily including the operational background of the Red and Blue forces, the attempted scenario, the operational timeline, and the main tasks to be completed. Scenario documents are then distributed to lower-level command structures via the command system. Commanders receive the guidance and dispatch documents, understand the relevant situation, and make their combat decisions. After completing combat planning, they generate a force deployment plan and feed it back to the guidance, control, and assessment system, which then interprets it into force organization data that the simulation training system can understand. At this point, the directorate should complete the input and import of force organization data based on their combat decisions, simultaneously generating virtual Red and Blue forces. This data is then packaged and distributed to each training terminal, forming the initial training situation.

[0061] During the training implementation phase, after each terminal enters the initial situation interface, the commander issues mission instructions through the command system. The training terminal receives these instructions from higher-level authorities through the command system, activating its three-dimensional driving function. Initially, the vehicle, either single or in formation, maneuvers to the designated deployment position, establishing the initial deployment of the chemical defense forces. The command and control personnel, relying on the guidance and control evaluation system, conduct conventional strikes and nuclear, biological, and chemical (NBC) strikes against the Red Army, triggering the chemical defense drill. Simultaneously, the command and control personnel monitor and receive training activity information through the guidance and control evaluation system, activating the guidance and control system's data recorder to record training activity data in real time. The command and control activities of each simulated command post and the results of the unit's combat operations are then summarized and displayed online. The chemical defense unit commander and his / her command headquarters utilize the command information system to receive battlefield information, assess the situation, determine operational decisions, and implement countermeasures. Chemical defense unit commanders should adhere to the fundamental operational command process of "situation-determination-determination," promptly understanding the situation, making decisions, directing unit operations, and implementing countermeasures. Chemical defense unit personnel should follow the fundamental process of "receiving instructions-taking action-feedback and reporting," taking timely action and reporting the results of their actions.

[0062] During the training review phase, the director relies on the training evaluation subsystem to make a final assessment of the mission completion and training effectiveness, primarily based on the training process, final situation, and overall training data. The training evaluation subsystem features data recording, indicator generation, and statistical analysis, enabling quantitative assessment of the results and processes of operational and command training.

[0063] Although the above describes the illustrative specific embodiments of the present invention to facilitate understanding of the present invention by those skilled in the art, and it should be clear that the present invention is not limited to the scope of the specific embodiments, it is obvious to those skilled in the art that as long as various changes are within the spirit and scope of the present invention as defined and determined by the appended claims, these changes are obvious, and all inventions and creations utilizing the concepts of the present invention are protected.

Claims

1. A cloud-based LVC chemical defense simulation training method, characterized in that: include: When a user creates a virtual machine in the user interface, they first obtain authentication information from the authentication service. The authentication service passes the user's authentication information and generates an authorization token and returns it to the corresponding authentication request. The one-key resource prepares to send a request to start an instance. After the Compute service accepts the request, it sends an authentication request to the Authentication service to check whether the token is valid. If so, it returns a valid authentication and the corresponding role. After authentication, the computing service communicates with the database and initializes the database record of the newly created virtual machine. The computing service determines whether there are resources for creating the virtual machine. The computing service scheduling process listens to the message queue and obtains the computing service request. The scheduling function of the computing service queries the computing resource status in the computing service database and calculates the host that meets the requirements for virtual machine creation through the scheduling algorithm. For hosts that meet the requirements for virtual machine creation, the computing service scheduling function updates the physical host information corresponding to the virtual machine in the database and sends the corresponding virtual machine creation request message to the virtual machine management of the computing service. The computing service will obtain the virtual machine creation request message from the corresponding message queue and request to obtain the virtual machine message, obtain the authentication token through the authentication service, and obtain the image required to create the virtual machine through HTTP. The image service confirms with the authentication service whether the authentication token is valid and returns the verification result. If the authentication is successful, the Compute service obtains the virtual machine image information (URL) and the authentication token, and then requests the network service through HTTP to obtain the network information required to create the virtual machine. The network service verifies the validity of the authentication token with the authentication service and returns the verification result. After the token is verified, the Compute service obtains the VM network information, obtains the authentication token from the Authentication service, and requests the distributed storage service through HTTP to obtain the persistent storage information required to create the VM. The storage service verifies the validity of the token with the authentication service and returns the verification result. If the verification is successful, the authentication service obtains the virtual machine persistent storage information and enters the simulation phase. This simulation includes two modes: separate training and combined training: (1) Training scenarios The separate training scenario is independent training organized by the training room. This means that each training room, with the support of the data cloud platform, relies on the separate guidance and control of its professional training system to independently organize single-professional simulation training. The separate guidance and control directly retrieves resources and training data from the data cloud platform, issues guidance and command instructions, simulation situations, and operation instructions to various patented chemical defense operation terminals, conducts simulation training through data interaction between them, and uploads the training process and training results data to the data cloud platform. During the drill preparation phase, the command and dispatch personnel rely on the various professional training systems to input basic data and training scenario data, organize the training groups, and set up command seats; During the exercise implementation phase, command and control personnel rely on various professional training systems to release training scenarios and tactical situations and conduct command and control. Trainees rely on operating terminals such as VR, desktop systems, and simulators to receive command orders from the headquarters and perform relevant professional operations. The operation results are entered into the simulation system in the form of control instructions. The simulation system calculates the control instructions issued by the trainees, continuously generates new combat situations and situation reports, and feeds them back to the trainees of the professional teams to guide them to make new decisions. This cycle continues to advance the exercise process. During the drill review phase, the instructor will use the professional sub-director and control's adjudication and assessment function to make an assessment of the drill situation; (2) Joint training The cloud platform's guidance and control evaluation system plans and organizes multi-disciplinary simulation training. The guidance and control systems in each professional training room act as data exchange nodes, responsible for data exchange between upstream and downstream platforms. During the training preparation phase, the directorate relies on the guidance, control, and assessment system to prepare basic data, plan the battlefield environment, synthetic situation, and participating chemical defense forces, schedule training seats, and generate training subject data. During the initialization phase of training, the directorate first conducts situation input, mainly including the operational background of the Red and Blue sides, the intention to file a case, the combat time, and the main completed content; then, the scenario documents are distributed to the lower-level command organizations through the command system; the commander receives the command documents, understands the relevant situation, and makes a combat determination. After completing the combat planning, he generates a force deployment plan and feeds the force organization plan back to the guidance and control evaluation system, which is parsed into force organization data that can be understood by the simulation training system; at this time, the directorate should complete the entry and import of the force organization data according to its combat determination, and at the same time generate virtual Red and Blue Army forces, and then package this data and send it to each training terminal to form the initial training situation; During the training implementation phase, after each terminal enters the initial situation interface, the commander will issue mission instructions to it through the command system. The training terminal receives superior instructions through the command system, activates the three-dimensional driving function, and first maneuvers the vehicle to the predetermined deployment position in either a single vehicle or a formation, thus establishing the initial deployment situation of the chemical defense troops. The command and control personnel, relying on the guidance and control evaluation system, launch conventional strikes and nuclear, biological, and chemical strikes against the Red Army, triggering the chemical defense troop exercise. Simultaneously, the command and control personnel monitor and receive training activity information through the guidance and control evaluation system, activate the guidance and control system data recorder to record training activity data in real time, and conduct online statistics and display the command operations of each simulated command post and the combat results of the unit. The commander of the chemical defense unit and his command agency use the command information system to receive battlefield situation information, assess the situation, make operational decisions, and take action. The commander of the chemical defense unit should adhere to the basic operational command process of "situation-determination-action" to promptly understand the situation, make decisions, command the unit's actions, and implement the decision. Chemical defense unit personnel should follow the basic process of "receiving instructions-acting-feedback and reporting" to take timely action and report the results of their actions. During the training review phase, the director relies on the training evaluation subsystem to make a final judgment on the degree of completion of the combat mission and the training effect based mainly on the training process, final situation, and data from the entire training process; the training evaluation subsystem has functions such as data recording, indicator construction, and statistical analysis, and can make quantitative assessments of the results and processes of operational training and command training.

2. A cloud-based LVC chemical defense simulation training method according to claim 1, characterized in that: include: During the simulation phase, first, after unified user access authentication, a single account with legal authorization can access all business systems and begin live simulation training, which primarily involves developing command and control documents and training management. Secondly, the system enters the virtual simulation environment, receives the command and control file, and performs unified resource planning based on the file. Based on the plan, it creates resources in a unified manner with one click, including the cloud platform, command and control system, various professional subsystems, simulators, and communication terminals. It then checks the status of various resources to confirm that they are ready. Otherwise, it returns to the unified resource creation process. If the resources are ready, it begins simulation training, records the training data, performs unified resource monitoring, and stores the training data in a unified manner until the simulation training is completed. Then, enter the construction simulation environment, receive the training recording data from the non-virtual simulation environment, and play back the training data; edit the training data as needed for combat capability assessment and deduction; iteratively edit the training data according to the training objectives, and update the command and control file when the expected training objectives are achieved and synchronize it to the command and control file library, and finally end the construction simulation deduction.

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