KR20220058111A - Vr based heavy equipment training system with tactical training map for cooperation - Google Patents

Abstract

The present invention implements a virtual reality (VR) heavy equipment training system using a cooperation-based tactical training ground map which allows various types of heavy equipment trainees and instructors to perform cooperation and training missions by using the same tactical training ground map at the same time, in a VR-based heavy equipment simulation system that conducts virtual training almost similar to the actual field. The VR heavy equipment training system using a cooperation-based tactical training ground map comprises: a user simulation device (100); a simulation operation server (200); a wired/wireless network device (300); and a tactical training ground map editor (400).

Description

VR BASED HEAVY EQUIPMENT TRAINING SYSTEM WITH TACTICAL TRAINING MAP FOR COOPERATION}

The present invention provides a tactical training ground map in which a plurality of trainees and instructors training various types of heavy equipment in a virtual reality (hereinafter VR)-based heavy equipment training system that performs physical education training almost similar to the actual field through simulation It is about a VR heavy equipment training device and system that allows you to perform collaboration and missions using

The VR heavy equipment training device provides operation training for driving and movement on a 3D stereoscopic screen with realistic heavy equipment user operation devices for efficient training of heavy equipment such as loaders, dozers, and excavators mainly used in construction sites. It refers to a VR-based simulation device that allows Recently, VR heavy equipment training devices for various types have started to be introduced, and the operation calculation method for applying the actual situation related to excavation and excavation to simulation is disclosed in Korean Patent Registration No. 10-1789523 of Prior Patent Document 1 (excavator maximum excavation) It has been suggested through a force simulation method, an apparatus for executing it, and a computer program for digging force simulation stored in a recording medium).

However, the advantages of VR training cannot be fully utilized with conventional content that relies on independent training, such as basic equipment operation for driving and driving and national technical qualification test items, except that it does not impose temporal and spatial restrictions compared to field training. It is difficult to expect differentiation. In addition, most of the heavy equipment works are basically carried out in collaboration with various types of workers in the field, and construction is performed by sophisticated collaboration of heavy equipment in a much more complex terrain than the training situation. It is difficult to cope with the situation in the field with content, and the lack of experience and inexperience can lead to accidents or reduced efficiency.

If trainees of various types of heavy equipment such as dozers, loaders, and excavators can participate in virtual construction work in the same scenario as the on-site situation by constructing a real work site through collaborative simulation, not only can the trainees improve their problem-solving abilities, but also the military By repeatedly training in various tactical situations to acquire large-scale training situations such as engineering teams or civil engineering works, it will be possible to increase the ability to adapt to the actual field.

1. Republic of Korea Patent Registration No. 10-1789523 Excavator maximum digging force simulation method, apparatus for executing the same, and digging force simulation computer program stored in a recording medium

In the VR-based heavy equipment training system, the present invention uses the same tactical training ground map for heavy equipment trainees and instructors of various types as well as the existing methods centered on independent training such as basic driving training and national technical qualification training at the same time. By providing collaborative training to perform collaboration and missions, it is intended to improve the quality of heavy equipment education and training and improve the field adaptability of trainees by enabling repeated training on actual construction site conditions.

The present invention is a virtual reality (VR)-based heavy equipment simulation system that performs virtual education training that is almost similar to the actual field, and various types of heavy equipment trainees and instructors simultaneously use the same tactical training ground map to collaborate and perform missions In implementing a VR heavy equipment training system using a collaboration-based tactical training ground map to

Simulation user manipulation device for realistic experience, hand-tracking api-based motion sensor device that controls programs by recognizing user gestures, HMD (Head Mounted Display) device that provides 3D visual content information, 3D sound speaker, program execution A client consisting of a plurality of user simulation devices consisting of a client PC;

A simulation operation server that performs a simulation operation control function, a collaborative training synchronization function, and a content server function for map configuration;

A wired/wireless network device for connecting a simulation operation server and a number of user simulation devices to a network as a component,

Create or modify a map by activating the tactical training ground map editor, which consists of the tactical training ground map editing window, detailed attribute designation menu, and map configuration DB control menu, to clients (ex. instructors) with editing rights, and the created map is created using a user simulation device It is characterized by providing an independent or collaborative training service through the VR heavy equipment training system through the process of changing in real time and forming a new map by the training mission by

For the implementation of the VR heavy equipment training system using the collaboration-based tactical training ground map, the simulation operation server includes a simulation operation control module for controlling the training session and simulation progress, a data synchronization module for multilateral collaboration synchronization, a map configuration DB, and a tactical training ground It consists of a tactical training ground map management module to create a map, store it in the DB, and manage it.

The tactical training ground map management module edits, stores, and manages the tactical training ground map, and configures and edits the tactical training ground map in 3D format to match the tactical training ground map loading step and the purpose of training. Voxel-based real-time mesh editing Steps and tactical training ground map storage steps are followed to manage the tactical training ground map,

In the voxel-based real-time mesh editing step, a terrain editing function that expresses the terrain state of a construction site similarly to reality using altitude information, and obstacles to create and delete construction site obstacles such as hills, trees and rocks according to the size It features editing functions, texture blending to specify texture or intensity for terrain, and display functions.

The VR heavy equipment training device using the collaboration-based tactical training ground map provides a heavy equipment training service to the user through the user simulation device and network components and the tactical training ground map editor,

As an independent training for trainees to individually educate and train for each type of heavy equipment,

Basic driving training for user device operation, basic driving, driving course training,

Driving training for road driving and terrain adaptation, autonomous training that sets a level for each scenario in the form of a game, and various device operation training such as device operation, terrain adaptation, and obstacle avoidance, and actual national technical qualification verification under the control of instructors including national technical qualification test training that provides a mock evaluation service for

This is a collaborative training that allows multiple trainees to simultaneously access and perform a common mission. This is a multi-collaborative training in which multiple trainees of various heavy equipment types simultaneously access a virtual field map and perform missions through collaboration as a user service. To achieve the purpose of the invention.

Preferably, collaborative training assuming field conditions is possible through the VR heavy equipment training system using the collaboration-based tactical training ground map according to the present invention. By allowing trainees and instructors without training-capable graphics expertise to create, edit, store and manage training maps, trainees can configure and adapt the tactical training ground to the field situation.

Through the VR heavy equipment training system using the collaboration-based tactical training ground map according to the present invention, cooperative training assuming the field situation is possible,

Repeated adaptation training is possible by composing large-scale civil works or hazardous terrain with realistic tactical training ground maps,

By enabling trainees and instructors without graphic expertise to create, edit, store and manage training maps, training parties can configure and adapt the tactical training ground to suit the field situation.

From the trainee's point of view, it is possible to accumulate experience in on-site situations that existing education and training cannot provide, and to flexibly respond to terrain, weather, and human disaster situations, so that high proficiency can be expected in a short period of time. Expertise in equipment operation can be secured at low cost, and practical experience training on work safety can be provided, thereby expanding the professionalism of education.

1 is a VR heavy equipment training user simulation device
2 is a configuration of a VR heavy equipment training system using a collaboration-based tactical training ground map.
3 is a tactical training ground map editor configuration
4 is a functional configuration of a VR heavy equipment training device using a collaboration-based tactical training ground map.
5 is a process of joining and exiting the cooperative tactical training ground;
6 is a service configuration of a collaboration-based VR heavy equipment training system

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and will be described with reference to the detailed description. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements. In describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

The virtual reality (VR)-based heavy equipment training device has a heavy equipment user manipulation device similar to the real one for efficient training of heavy equipment such as loaders, dozers, and excavators mainly used in construction sites on a 3D stereoscopic screen. It refers to a VR-based simulation device that allows operation training for driving and movement.

In the present invention, in a VR-based heavy equipment simulation system that conducts virtual education and training almost similar to the actual field, a collaboration-based tactic that allows heavy equipment trainees and instructors of various types to simultaneously perform collaboration and missions in real time using the same tactical training ground map In order to implement the VR heavy equipment training system using the training ground map,

As shown in Figure 1

a simulation user manipulation device 110 that implements a haptic effect that provides a hyper-realistic five senses to a user;

A hand tracking api-based motion sensor device 120 that recognizes and communicates a user's gesture for user authentication, selection of training content, and interaction in training content progress;

A head mounted display (HMD) device 130 for providing visual content information that is composed of a 3D image and expresses a real situation in a hyper-realistic way;

3D sound speaker 140 for three-dimensional expression of the training situation;

A client PC 150 used for tactical training ground map download and collaboration synchronization, simulation control, UI/UX interaction control, and device-to-device synchronization; consists of the user simulation device 100,

As shown in Figure 2

a simulation operation server 200 that performs a simulation operation control function, a collaborative training synchronization function, and a content server function for map configuration;

a wired/wireless network device 300 for connecting the simulation operation server and a plurality of user simulation devices to a network;

The user simulation device of the VR heavy equipment training system, the user UI / UX manipulation device, HMD visual device, motion sensor device, and the client server PC as one client 100 set; a plurality of clients 100 as network components do,

As shown in Fig. 3

a tactical training ground map editing window 410 composed of a menu bar, a toolbar, a property window, and a map display area screen;

a detailed attribute designation menu 420 capable of adding items of the construction site, such as hills, obstacles, pits, and vomit, and expressing attributes;

By assigning a unique identifier to the created tactical training ground map to store, search, and modify the map configuration DB control menu 430; as a component of the tactical training ground map editor 400,

The tactical training ground map editing function is activated and provided to the map editing client with editing rights, and the created map is modified by the client with editing rights, or changed and restored in real time by the trainee’s independent training mission or collaborative training mission It is characterized in that it can be configured as a new tactical training ground map.

The tactical training ground map editor 400 for the VR heavy equipment training system using the collaboration-based tactical training ground map is as shown in FIG.

a tactical training ground map editing window 410 composed of a menu bar, a toolbar, a property window, and a map display area screen;

a detailed attribute designation menu 420 capable of adding items of the construction site, such as hills, obstacles, pits, and vomit, and expressing attributes;

A map configuration DB control menu 430 that supports storing, searching, and modifying the created tactical training ground map by giving it a unique identifier;

A basic tactical training ground map designed in advance to fit the training mission, edited and stored in the content database; and

A custom map created through the tactical training ground map editor by a client with editing rights; stored and operated with a unique identification number in the map configuration DB of the operation server,

a function of re-editing the map stored in the DB as needed by a map editing client having editing authority after downloading it for independent training or collaborative training, and additionally storing it in the DB with a different identification number;

A function that is changed according to the progress of a trainee's independent training mission or a collaborative training mission, is stored in the DB according to a save command from a person in control (instructor, etc.) between trainings, and is downloaded and used later when the simulation is restarted;

A function of assigning an identification number to the map changed according to the mission of the training group so that it can be reused or used repeatedly as a new tactical training ground map;

It is characterized in that it provides a function of collecting and evaluating evaluation information by the mission at the end of the simulation and feedback the result to the trainee.

In the VR heavy equipment training system using the collaboration-based tactical training ground map, the simulation operation server 200 is

a simulation operation control module 210 for creating an education and training session, controlling the simulation progress such as starting/stopping/resuming/ending education and training, and controlling the device when a safety emergency occurs;

For multilateral collaboration simulation, it receives location data of heavy equipment being trained and terrain transformation data according to mission performance, integrates it on the tactical training ground map, and reflects it on the map, and transmits synchronization information to other users to provide timing and work progress information data synchronization module 220 for sharing;

a map configuration DB 230 for storing, searching, and managing a tactical training ground map for simulation;

It consists of; a tactical training ground map management module 240 for creating a tactical training ground map suitable for the type of heavy equipment and the nature of training, storing it in the DB, and managing it;

The tactical training ground map management module in editing, storing and managing the tactical training ground map,

a tactical training ground map loading step (241) of searching the tactical training ground map from the map configuration DB and calling the tactical training ground map editor;

Terrain editing function (242a) that allows to change the elevation of the terrain as needed, expressing the terrain condition of the construction site similar to the real one by setting the slope and elevation of the terrain;

Obstacle editing function (242b) to create and delete obstacles such as hills, trees or rocks, and obstacles in construction sites such as pits, building debris, etc. to size;

A texture blending and display function (242c) that specifies the texture or strength of the vomit and terrain displayed on the map as detailed attributes; ) based real-time mesh editing step 242;

It is characterized in that the tactical training ground map management function is implemented through a tactical training ground map storage step (243) of giving a unique identification number to the created map and storing it in the map configuration DB.

As shown in FIG. 5 , the simulation operation server 200 interacts with the user simulation device 100 in the VR heavy equipment training system using the collaboration-based tactical training ground map.

sending and receiving a simulation operation control signal for start/end/stop/resume of independent training with a user simulation device (4a_1);

downloading the map for independent training stored in the map configuration DB to the user simulation device (4a_2);

After performing the simulation, receive and evaluate performance evaluation information for education and training from the user simulation device (4a_3); configure independent training through;

With session creation and joining control for collaborative training. Step (4b_1) of sending and receiving a simulation operation control signal for resuming the start/end/stop of the simulation for each participant with the user simulation device;

Downloading the collaboration-based tactical training ground map stored in the map configuration DB to user simulation devices (4b_2);

receiving the terrain transformation data and location data changed by the mission performance of the user simulation device according to the progress of the simulation and reflecting the data on the map (4b_3);

changing the reflected map information into synchronization information for all objects being played in order to share it with other user simulation devices and notifying all user simulation devices (4b_4);

Collaborative training is configured through a step (4b_5) of receiving and evaluating performance evaluation information for education and training received from individual user simulation devices after performing the simulation.

In the VR heavy equipment training system using the collaboration-based tactical training ground map, the simulation operation server 200 is configured for collaboration synchronization with a plurality of user simulation devices in real time in a collaborative training session in which the individual user simulation device 100 is currently performing a mission. As shown in Figure 5, in configuring the process to join or end training,

If a client wants to participate in a simulation session for collaborative training, and requests to join the collaboration-based tactical training (5a_1),

The simulation operation server modifies and stores simulation control information in order to add a new client to the simulation session in a situation where other clients are currently training (5c_1), and store (5b_1),

Enable the client to download the tactical training ground map from the simulation operation server (5b_2),

A new participant joining event information is generated to all other clients in the session to notify the session change (5b_3),

Respond to the client requesting joining that the tactical training has been joined (5b_4),

Generates a signal for synchronization of collaborative simulation to all clients in the session (5b_5) so that each can proceed with simulation training (5a_2, 5c_2),

When the simulation operation server 200 receives the terrain transformation and location data according to the mission performance during the simulation from the individual clients (5a_3),

Save the changed map information and share it by sending the changed map information to all clients in the session (5b_6);

When each client's training is finished (5a_4),

After the simulation operation server receives information for evaluation from individual clients and performs evaluation (5a_5),

By sending the evaluation result information to all clients in the session and sharing the evaluation information (5b_7), each client can stop or end the multilateral collaborative simulation training, training on the VR heavy equipment training system using the collaboration-based tactical training ground map Realize session synchronization.

As shown in FIG. 6, the VR heavy equipment training device using the collaboration-based tactical training ground map provides a heavy equipment training service 500 to the user through the user simulation device and network components and the tactical training ground map editor.

As an independent training 510 for the trainee to individually educate and train for each type of heavy equipment,

basic driving training 511 for user device operation, basic driving, and driving course training;

driving training 512 for road driving and terrain adaptation;

Autonomous training 513 that sets a level for each scenario in a game format so that various device manipulation training such as device manipulation, terrain adaptation, and obstacle avoidance can be performed;

National Technical Qualification Test Training (514) that provides a simulated evaluation service for actual national technical qualification verification under the control of the instructor; Included in the user service as single-play content,

The service includes a national technical qualification verification map (6a_1) created by a client with editing rights; recovery site map for driving training (6a_2); The tactical training ground map (6a_3) written to suit the individual trainee's competency enhancement is downloaded and trained, and the training result is evaluated and fed back to the trainee,

As a collaborative training 520 for a plurality of trainers to simultaneously access and perform a joint mission,

Multi-collaborative training that provides multi-equipment tactical training service in which multiple trainees of various heavy equipment types perform missions through collaboration by simultaneously accessing large-scale civil works, construction sites, and virtual site maps with complex terrain and soil properties 521); as multiplayer content, included in the user service,

The service performs training by downloading a tactical training ground map entered in advance in the content database or a custom map (6b_1) created through a tactical training ground map editor by a client with editing rights from the operation server,

It is characterized in that by collecting evaluation information on the training contents of each trainee, individual trainees can evaluate the training performance and feedback the evaluation result.

100: user simulation device
110: simulation user manipulation device
120: hand tracking API-based motion sensor device
130: HMD (Head Mounted Display) device
140: 3D sound speaker
150: client PC
200: simulation operation server
210: simulation operation control module
220: data synchronization module
230: map configuration DB
240: tactical training ground map management module
241: Tactical training ground map loading stage
242: Voxel-based real-time mesh editing step
243: tactical training ground map storage step
300: wired and wireless network device
400: Tactical Training Grounds Map Editor
410: Tactical training ground map editing window
420: menu for specifying detailed properties
430: map configuration DB control menu
500: Heavy Equipment Training Services
510: Solo training
511: Basic driving training
512: driving training
513: autonomous training
514: National Technical Qualification Test Training
520: Collaborative training
521: multi-collaborative training

Claims (6)

In a VR heavy equipment training system using a collaboration-based tactical training ground map that allows heavy equipment trainees to perform missions through collaboration,

A simulation user manipulation device 110 that implements a haptic effect that provides a hyper-realistic five senses to the user;
A hand tracking API-based motion sensor device 120 that recognizes and communicates a user's gesture for user authentication, selection of training content, and interactive training content progress;
A Head Mounted Display (HMD) device 130 for providing visual content information that is composed of 3D images and expresses the actual situation in a hyper-realistic way to the user;
3D sound speaker 140 for three-dimensional expression of the training situation,
a user simulation device 100 including a client PC 150 used for tactical training ground map download and collaboration synchronization, simulation control, UI/UX interaction control, and device-to-device synchronization;
a simulation operation server 200 that performs a simulation operation control function, a collaborative training synchronization function, and a content server function for map configuration;
a wired/wireless network device 300 for connecting the simulation operation server 200 and a plurality of user simulation devices 100 to a network;
A tactical training ground map editing window 410 consisting of a menu bar, a toolbar, a property window, and a map display area screen;
A detailed property designation menu 420 that can add items of the construction site such as hills, obstacles, pits, and vomit and express properties;
Including a tactical training ground map editor 400 having a map configuration DB control menu 430 as a component to support storing, searching, and modifying the created tactical training ground map by giving a unique identifier; By providing editing rights to the map editing client,
Characterized in that the created tactical training ground map is modified by a client with editing rights, or is changed and restored in real time by the training mission of the trainee so that it can be configured as a new tactical training ground map
VR heavy equipment training system using collaboration-based tactical training ground map.
According to claim 1,
The tactical training ground map editor 400 for the VR heavy equipment training system using the collaboration-based tactical training ground map is
a tactical training ground map editing window 410 composed of a menu bar, a toolbar, a property window, and a map display area screen;
a detailed attribute designation menu 420 capable of adding items of the construction site, such as hills, obstacles, pits, and vomit, and expressing attributes;
A map configuration DB control menu 430 that supports storing, searching, and modifying the created tactical training ground map by giving it a unique identifier;

A basic tactical training ground map designed in advance to fit the training mission, edited and stored in the content database; and
A custom map created through the tactical training ground map editor by a client with editing rights; stored and operated with a unique identification number in the map configuration DB of the operation server,

A training map editing function that stores the training map stored in the map configuration DB in the DB with a different identification number after re-editing by an editing client with editing rights; and
The training map stored in the map configuration DB is changed according to the progress of the training mission of the trainee, and is stored in the DB according to the storage command of the person in charge of control between training, and a training map update function that is downloaded and used later when the simulation is restarted; VR heavy equipment training system using a collaboration-based tactical training ground map, characterized in that.

According to claim 1,
In the VR heavy equipment training system using the collaboration-based tactical training ground map, the simulation operation server 200 is

a simulation operation control module 210 for creating an education and training session, controlling the simulation progress such as starting/stopping/resuming/ending education and training, and controlling the device when a safety emergency occurs;
For multilateral collaboration simulation, it receives location data of heavy equipment in training and terrain transformation data according to mission performance, integrates it on the tactical training ground map, and reflects it on the tactical training ground map, and transmits synchronization information to other users to provide timing and work progress information data synchronization module 220 for sharing;
a map configuration DB 230 for storing, searching, and managing a tactical training ground map for simulation;
It consists of; a tactical training ground map management module 240 for creating a tactical training ground map suitable for the type of heavy equipment and the nature of training, storing it in the DB, and managing it;

The tactical training ground map management module in editing, storing and managing the tactical training ground map,
a tactical training ground map loading step (241) of searching the tactical training ground map from the map configuration DB and calling the tactical training ground map editor;
Terrain editing function (242a) that allows to set the slope and elevation of the terrain to express the terrain condition of the construction site similar to the real one, and to change the elevation of the terrain as needed;
An obstacle editing function (242b) for creating and deleting obstacles such as hills, trees or rocks, pits, and obstacles in construction sites to size, such as debris, and
A texture blending and display function (242c) that specifies the texture or intensity of the vomit and terrain displayed on the map as detailed attributes; ) based real-time mesh editing step 242;
Characterized in that it is implemented through a tactical training ground map storage step (243) of giving a unique identification number to the created map and storing it in the map configuration DB
VR heavy equipment training system using collaboration-based tactical training ground map.
According to claim 1,
When the simulation operation server 200 interacts with the user simulation device 100 in the VR heavy equipment training system using the collaboration-based tactical training ground map,

sending and receiving a simulation operation control signal for start/end/stop/resume of independent training with a user simulation device (4a_1);
downloading the map for independent training stored in the map configuration DB to the user simulation device (4a_2);
After performing the simulation, receive and evaluate performance evaluation information for education and training from the user simulation device (4a_3); configure independent training through;

With session creation and joining control for collaborative training. Step (4b_1) of sending and receiving a simulation operation control signal for resuming the start/end/stop of the simulation for each participant with the user simulation device;
Downloading the collaboration-based tactical training ground map stored in the map configuration DB to user simulation devices (4b_2);
receiving the terrain transformation data and location data changed by the mission performance of the user simulation device according to the progress of the simulation and reflecting the data on the map (4b_3);
changing the reflected map information into synchronization information for all objects being played in order to share it with other user simulation devices and notifying all user simulation devices (4b_4);
After performing the simulation, receiving and evaluating performance evaluation information for education and training from individual user simulation devices (4b_5);
VR heavy equipment training system using collaboration-based tactical training ground map.
According to claim 1,
If a client wants to participate in a simulation session for collaborative training, and requests to join the collaboration-based tactical training (5a_1),
The simulation operation server modifies and stores the simulation control information to add a new client to the simulation session in a situation where other clients are currently training (5c_1) (5b_1),
Enable the client to download the tactical training ground map from the simulation operation server (5b_2),
A new participant joining event information is generated to all other clients in the session to notify the session change (5b_3),
Respond to the client requesting joining that the tactical training has been joined (5b_4),
Generates a signal for synchronization of collaborative simulation to all clients in the session (5b_5) so that each can proceed with simulation training (5a_2, 5c_2),

When the simulation operation server 200 receives the terrain transformation and location data according to the mission performance during the simulation from the individual clients (5a_3),
Save the changed map information and share it by sending the changed map information to all clients in the session (5b_6);

When each client's training is finished (5a_4),
After the simulation operation server receives information for evaluation from individual clients and performs evaluation (5a_5),
By sending the information on the evaluation result to all clients in the session and sharing the evaluation information (5b_7), the synchronization method is configured so that each client can stop or end the multilateral collaborative simulation training.
VR heavy equipment training system using collaboration-based tactical training ground map.
6. The method of claim 5,
As an independent training 510 for the trainee to individually educate and train for each type of heavy equipment,
basic driving training 511 for user device operation, basic driving, and driving course training;
driving training 512 for road driving and terrain adaptation;
Autonomous training 513 that sets a level for each scenario in a game format so that various device manipulation training such as device manipulation, terrain adaptation, and obstacle avoidance can be performed;
National Technical Qualification Test Training (514) that provides a simulated evaluation service for actual national technical qualification verification under the control of the instructor; Included in the user service as single-play content,
The service includes a national technical qualification verification map (6a_1) created by a client with editing rights; recovery site map for driving training (6a_2); Download the tactical training ground map (6a_3) written to suit individual trainers’ competency enhancement; conduct training, evaluate the training results, and provide feedback to trainees;

As a collaborative training 520 for a plurality of trainers to simultaneously access and perform a joint mission,
Multi-collaborative training that provides multi-equipment tactical training service in which multiple trainees of various heavy equipment types perform missions through collaboration by simultaneously accessing large-scale civil works, construction sites, and virtual site maps with complex terrain and soil properties 521); as multiplayer content, included in the user service,
The service performs training by downloading a tactical training ground map entered in advance in the content database or a custom map (6b_1) created through a tactical training ground map editor by a client with editing rights from the operation server,
Characterized in that by collecting evaluation information on the training contents of each trainee, individual trainees can evaluate the training performance and feedback the evaluation results
VR heavy equipment training system using collaboration-based tactical training ground map.

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