KR102529292B1 - Virtual reality training method for responding to chemical terrorism - Google Patents

Abstract

A virtual reality training method for counteracting chemical terrorism is provided. The virtual reality training method for counteracting chemical terrorism includes a system server for storing chemical terrorism training scenarios and controlling virtual reality training according to the chemical terrorism training scenarios, and for performing virtual reality training for chemical terrorism. A virtual reality training method using a virtual reality training system including a training system including equipment worn or carried by a trainee, wherein the virtual reality training is performed by providing the trainee with a virtual reality image according to the training scenario of chemical terrorism. The virtual reality image is provided by the virtual reality training system, and the virtual reality image includes a virtual space image corresponding to a training space in which the trainee performs the virtual reality training.

Description

Virtual reality training method for responding to chemical terrorism {VIRTUAL REALITY TRAINING METHOD FOR RESPONDING TO CHEMICAL TERRORISM}

The present invention relates to a virtual reality training method for counteracting chemical terrorism.

Virtual reality refers to a specific environment, situation, or technology that is similar to reality created by artificial technology using computers, etc., but is not real. Since virtual reality can provide users with a sense of immersion and a real-like experience by using computer graphics technology close to reality, research on technology that utilizes virtual reality is being actively conducted. However, the conventional virtual reality technology has a very limited application range, such as providing only graphic images for specific situations.

The present invention provides a method for effectively performing virtual reality training for counteracting chemical terrorism.

Other objects of the present invention will become apparent from the following detailed description and accompanying drawings.

A virtual reality training method for counteracting chemical terrorism according to embodiments of the present invention includes a system server for storing chemical terrorism training scenarios and controlling virtual reality training according to the chemical terrorism training scenarios, and a system server for chemical terrorism training. A virtual reality training method using a virtual reality training system including a training system including equipment worn or carried by a trainee to perform virtual reality training, wherein the virtual reality image according to the training scenario of chemical terrorism is provided to the trainee. and performing the virtual reality training, wherein the virtual reality image is provided by the virtual reality training system, and the virtual reality image corresponds to a training space in which the trainee performs the virtual reality training. Include spatial images.

The chemical terrorism may include a situation in which chemicals used for chemical terrorism are disposed in the training space. The chemical terrorism may further include a situation in which a virtual enemy preparing for chemical terrorism is disposed in the training space. The virtual reality training method for counteracting chemical terrorism may further include evaluating training contents of the trainee in response to chemical terrorism. Difficulty in evaluating a trainee can be adjusted by differently setting the type, property, and treatment method of the chemical substance. The chemical substance may be displayed as a virtual object image in the virtual reality image.

The trainee may include two or more trainees with different missions. The virtual reality training method for counteracting chemical terrorism may further include storing and analyzing training contents for each of the two or more trainees. In the virtual reality image, the two or more trainees may be displayed as wearing different virtual training clothes according to missions.

According to embodiments of the present invention, virtual reality training for counteracting chemical terrorism can be effectively performed. Multi-collaborative training of trainees for chemical terrorism can be effectively performed.

1 shows the configuration of a virtual reality training system according to embodiments of the present invention.
2 shows the configuration of a system server according to embodiments of the present invention.
FIG. 3 shows the configuration of a storage unit of the system server of FIG. 2 .
4 shows the configuration of a training performance system according to embodiments of the present invention.
5 shows the configuration of a training control system according to embodiments of the present invention.
6 shows a virtual reality training method according to an embodiment of the present invention.
7 and 8 show a training space according to embodiments of the present invention.
9 shows a virtual reality training method according to another embodiment of the present invention.
10 and 11 are views for explaining the virtual reality training method of FIG. 9 .
12 shows a virtual reality training method according to another embodiment of the present invention.
13 to 17 are views for explaining the virtual reality training method of FIG. 12 .

Hereinafter, the present invention will be described in detail through examples. Objects, features and advantages of the present invention will be easily understood through the following examples. The present invention is not limited to the embodiments described herein and may be embodied in other forms. The embodiments introduced herein are provided so that the disclosed contents may be thorough and complete and the spirit of the present invention may be sufficiently conveyed to those skilled in the art to which the present invention belongs. Therefore, the present invention should not be limited by the following examples.

Although terms such as first and second are used in this specification to describe various elements, the elements should not be limited by these terms. These terms are only used to distinguish the elements from one another.

In the drawings, the size of elements or the relative sizes between elements may be slightly exaggerated for a clearer understanding of the present invention. Therefore, the embodiments disclosed in this specification should not be limited to the shapes shown in the drawings unless otherwise specified, and should be understood to include some degree of modification.

1 shows the configuration of a virtual reality training system according to embodiments of the present invention. 2 shows the configuration of a system server according to embodiments of the present invention, FIG. 3 shows the configuration of a storage unit of the system server, and FIG. 4 shows the configuration of a training system according to embodiments of the present invention. 4 shows the configuration of a training control system according to embodiments of the present invention.

1 to 5, the virtual reality training system 10 includes a system server 100, a training system 200, and a training control system 300. The system server 100, the training system 200, and the training control system 300 may be connected to each other and communicate by wire and/or wirelessly.

The system server 100 may include a control unit 110, a detection unit 120, an analysis unit 130, a storage unit 140, and a communication unit 150. The control unit 110, the detection unit 120, the analysis unit 130, the storage unit 140, and the communication unit 150 may be integrated into one server or configured as two or more separate servers, and the server configuration there is no limit to

The control unit 110 controls components of the system server 100 to allow virtual reality training to proceed. The control unit 110 may control operations of the sensing unit 120 , the analysis unit 130 , the storage unit 140 , and the communication unit 150 . For example, the control unit 110 may drive virtual reality training system software, detection system software, monitoring system software, and post-criticism system software according to an input signal or control signal of a training controller, and a training scenario and an unexpected situation scenario. may be applied to the training system 200 to perform training. The virtual reality training system software was developed to conduct training to counteract chemical terrorism, and the training scenarios were designed to implement various chemical terrorism situations.

The sensing unit 120 may track the trainee's position and detect the trainee's motion using the sensing system software (eg, the motive system), the training control sensing device 330, and the trainee sensor 250. . The sensor 120 provides the trainee's location information and motion information to the training system 200 and the training control system 300 in real time so that virtual reality training can be effectively performed. The sensing unit 120 can provide information on various interactions that occur simultaneously by processing position and motion data of each of a plurality of trainees in real time, and enables a plurality of trainees to respond according to different interactions, thereby improving training. can be upgraded. Accordingly, it is possible to effectively implement multi-collaborative training of a plurality of trainees with different missions. The training control sensing device 330 is installed in the training space, and the trainee sensor 250 may be mounted on training clothes and equipment worn by the trainee. The training control sensing device 330 may detect a trainee's position and motion through the trainee sensor 250 .

The analysis unit 130 may analyze the training contents by monitoring the training situation using the monitoring system software and post-criticism system software, evaluate the training of the trainee by individual/team, and provide critique of the training. there is.

The ex-post critique system software may review, analyze, and evaluate training results after completion of chemical terrorism response training to provide general critiques of education and training so that more efficient retraining can be performed. The post-criticism system software may be composed of training record, playback and pause, training query, training analysis, and training evaluation. The training record may include a record of the trainee's location, a record of the trainee's motion, a record of the location of an object, and an event record. The play and pause may include training play, training stop, training end, and viewpoint movement (first-person and third-person multi-screen split viewpoints). The training inquiry may include a training search by period, a training search by trainee, and a training search by scenario. Training analysis may include displaying training progress, displaying training results and information, data analysis, and individual/team ability analysis. The training evaluation may include creating an individual training result evaluation report, storing and outputting an evaluation report.

The storage unit 140 may include a system storage unit 141 and a training data storage unit 142 . The system storage unit 141 may store various software and applications required for training. For example, the software may store virtual reality training system software, sensing system software, monitoring system software, and hindsight system software. In addition, the system storage unit 141 may store training scenarios and emergency scenarios set according to various training situations. The training data storage unit 142 may store various training data. For example, the training data storage unit 142 may store information about a trainee, training period and time, training record, training analysis, and training evaluation.

The communication unit 150 is connected to the training execution system 200 and the training control system 230 by wire and/or wirelessly, and the system server 100 connects the training execution system 200 and the training control system through the communication unit 150. (300) and can communicate.

The training system 200 includes equipment worn or carried by a trainee so that the trainee can perform virtual reality training. The training system 200 is connected to and controlled by the system server 100 and exchanges various information and signals.

The training system 200 may include a trainee computer device 210, a trainee display device 220, a trainee input device 230, a training suit 240, a trainee sensor 250, and a trainee sensing device 260. can

The trainee computer device 210 may communicate with other devices of the training system 200 by wire and/or wirelessly, and may control the devices. The trainee computer device 210 can control the trainee display device 220, the trainee input device 230, the trainee sensor 250, and the trainee sensing device 260, and provides information and signals to the devices. can receive

The trainee computer device 210 may be connected to and communicate with the system server 100 wirelessly, and may be controlled by the system server 100. The trainee computer device 210 may have training software installed and function as an auxiliary server of the system server.

The trainee's computer device 210 is configured in the form of a backpack, etc., so that a trainee can carry the trainee's computer device 210 on his back during training and perform training.

The trainee display device 220 is wired and/or wirelessly connected to the trainee computer device 210 to provide a virtual reality image to the trainee. In addition, the trainee display device 220 may provide trainees with various visual and auditory information necessary for training. The trainee display device 220 may be wirelessly connected to the system server 100 to communicate.

The virtual reality image is set in advance according to the situation of the training scenario, and includes a virtual space image representing a virtual space corresponding to an actual training space, a virtual object image represented as a virtual object in the virtual space image, and a virtual person represented as a virtual person. It includes images, real object images in which objects actually arranged in the training space are represented in the virtual space images, and real person images in which trainees in the training space are represented in the virtual space images. The virtual reality image may display facilities where terrorism may occur, such as multi-use facilities and illegal manufacturing facilities, or facilities where chemicals used in terrorism are illegally manufactured. The real object image is previously stored in the storage unit 140 of the system server 100 prior to training, and then displayed in a virtual space corresponding to the training space where the real object is placed during training. (220). In addition, when training is performed, real objects sensed by the training control sensing device 330 and the trainee sensing device 260 may be converted into images (real object images) and provided. In other words, virtual objects and virtual characters are objects and people that do not actually exist and are expressed as virtual object images and virtual character images in virtual reality images, and real objects and real people are objects and people that actually exist in the training space and are represented as virtual reality images. It is expressed as a real object image and a real person image. Therefore, the trainee cannot distinguish whether the object is a virtual object or a real object and whether it is a virtual person or a real person. Therefore, not only an unexpected situation scenario can be implemented using virtual objects, but also various unexpected situations or events can be implemented using real objects. When training is performed, after the detection information on the real object or real person acquired by the training control sensing device 330 and the trainee sensing device 260 is converted into a real object image or real person image, the trainee display device ( 220) can be provided.

The trainee display device 220 may be, for example, a Head Mounted Display (HMD), and may be used by being coupled to a trainee's helmet. The trainee sensor 250 is mounted on the trainee display device 220 or a marker is attached to precisely track the trainee's position and motion. The trainee sensor 250 and/or the marker may provide information about the trainee's position and motion to the training control sensing device 330, and the training control sensing device 330 may include the trainee sensor 250 and/or A trainer's position and motion can be tracked through the marker.

The trainee input device 230 is a device that a trainee carries and uses when training is performed, and may implement various equipment according to the trainee's mission. The trainee input device 230 provides a trainee's input signal to the trainee computer device 210, and the trainee computer device 210 provides a virtual reality image reflecting the trainee's input signal to the trainee display device 220. The trainee computer device 210 provides the trainee's input signal to the system server 100, and the system server 100 stores and evaluates the trainee's training record.

Trainer input device 230 can train trainees by replacing various equipment used in practice. For example, the trainee input device 230 may be expressed as an image of a weapon such as a gun, a gas or toxic substance detection device, and a firefighting device according to a trainee's mission.

The training uniform 240 may be manufactured by remodeling an actual military uniform, and a trainee sensor 250 may be mounted on the training uniform 240 or a marker may be attached to accurately track a trainee's position and motion. At the start of training, various images of virtual training clothes according to the trainee's position or mission are displayed on the trainee display device 220 of each trainee, and the trainee can select a virtual training clothes suitable for his or her mission. Although trainees perform training wearing the same training clothes, virtual training clothes images are displayed differently according to the trainee's affiliation, position, mission, etc. on the trainee display device 220 of each trainee. Trainees may include environmental agents from the Ministry of Environment or the Chemical Safety Agency, police officers from the police special forces or bomb disposal squad, firefighters from the fire department or admiral squad, NIS agents from the National Intelligence Service, and soldiers from military units. The images of trainees' virtual training clothes may be expressed differently depending on environmental agents, police officers, firefighters, NIS agents, and soldiers. In addition, even if they belong to the same organization, the image of the virtual training uniform may be expressed differently depending on the position or mission. For example, for environment workers, virtual training clothes images may be expressed differently according to the positions of team leaders and team members, and for police officers, virtual training clothes images may be expressed differently according to duties such as police commandos and explosives disposal members. The circle may have a different image of the virtual training suit depending on the mission of the firefighter or the admiral's team. Trainees can distinguish other trainees by looking at the virtual training suit image displayed on the trainee display device 220 .

The trainee sensor 250 is installed in at least one of the trainee computer device 210, the trainee display device 220, the trainee input device 230, and the training clothes 240 to sense the trainee's motion or track the trainee's position. can The trainee sensor 250 may be wired and/or wirelessly connected to the trainee computer device 210 to provide a sensing signal to the trainee computer device 210 . The trainee computer device 210 may provide the sensing signal of the trainee sensor 250 to the system server 100 . The trainee's computer device 210 and the system server 100 may provide the trainee with a virtual reality image in which the sensing signal is reflected. The trainee sensor 250 may include an acceleration sensor, a gyro sensor, an inertial sensor, a light sensor, an illuminance sensor, a photosensor, an infrared sensor, a depth sensor, an electromagnetic wave sensor, and the like.

The trainee sensing device 260 is coupled to the trainee display device 220 to detect real objects and real people to form real object images and real person images, and the real object images and the real person images are displayed on a trainee computer. device 210. The trainee computer device 210 may provide the real object image and the real person image to the system server 100, and the system server 100 may transmit the real object image and the real person image to the trainee display device 220. can be provided as virtual reality images.

When a real object is arranged in the training space, a real object image corresponding to the real object may be stored in the system server 100 before training and provided to the trainee display device 220 during training. However, if it is not placed in the training space before training and is provided in the training space by the training control device during training to create an unexpected situation, the trainee detection device 260 detects a real object together with the training control detection device 330 By doing so, real object images can be implemented. Accordingly, it is possible to perform training by improvising an unexpected situation stored as an unexpected situation scenario as well as an unexpected situation according to the training situation.

When the first trainee and the second trainee face each other and the third trainee is looking at the first trainee and the second trainee, the detecting device 260 for the first trainee detects the second trainee, A real person image can be formed, and the real person image of the second trainee is transmitted to the trainee computer device 210 and the system server 100 of the first trainee and then provided to the trainee display device 220 of the first trainee. can The trainee sensing device 260 of the second trainee can detect the first trainee and form a real person image of the first trainee, and the real person image of the first trainee is connected to the trainee computer device 210 of the second trainee. After being transmitted to the system server 100, it may be provided to the second trainee's trainee display device 220. The trainee sensing device 260 of the third trainee can detect the first trainee and the second trainee to form real person images of the first trainee and the second trainee, and real person images of the first trainee and the second trainee. After being transmitted to the trainee computer device 210 and the system server 100 of the third trainee, it may be provided to the trainee display device 220 of the third trainee.

The training control system 300 controls virtual reality training and includes a training control display device 310, a training control input device 320, and a training control sensing device 330.

The display device 310 for training control is disposed in the training control room and displays image information about the virtual reality training situation. The training control display device 310 may display virtual reality images implemented in virtual reality training. For example, the training control display device 310 may display a virtual reality image provided to the trainee display device 220 of each trainee from the trainee's point of view. For example, by observing the virtual reality image provided on the trainee display device 220 of the first trainee from the first trainee's point of view, it is possible to effectively control the training of the first trainee, analyze the training contents of the first trainee, and can be evaluated In addition, the training control display device 310 may display a virtual reality image of a training space where virtual reality training is being conducted from a third person's point of view. It is possible to control trainees located in the training space, and to analyze and evaluate the training contents of the trainees in the training space. In this way, the progress of the virtual reality training can be observed from various perspectives, so the training can be effectively controlled, and the training contents can be analyzed and evaluated.

The training control input device 320 is disposed in the training control room and is connected to the system server 100 and the trainee computer device 210 so that items necessary for virtual reality training can be input. Training control input device 320 may include a variety of devices, such as a computer, tablet PC, portable terminal, smart phone. Through the training control input device 320, various training software such as virtual reality training system software, detection system software, monitoring system software, and post-criticism system software can be input and stored in the system server 100, and can be stored in various training situations. You can enter and save training scenarios and unexpected situation scenarios set according to. Before training, trainee information and the like can be input through the training control input device 320, training scenarios, etc. can be selected, and during training, the training controller proceeds with training through the training control input device 320. Various items required to do this, for example, a training start signal, a training end signal, an unexpected situation, and the like can be input.

The training control sensing device 330 may be disposed in the training space and detect a trainee's position and motion through the trainee sensor 250 . The training control sensing device 330 may communicate with the system server 100 and provide the location information and motion information of the trainee to the sensing unit 120 of the system server 100 . The analyzer 130 of the system server 100 may analyze and evaluate the trainee's training by using the trainee's location information and motion information. The training controller can proceed and control the training by referring to the location information and motion information of the trainee, and unexpected situation training can be effectively performed by creating and providing an unexpected situation to the trainee at an appropriate time.

6 shows a virtual reality training method according to an embodiment of the present invention, and FIGS. 7 and 8 show a training space according to embodiments of the present invention.

1 to 8, the virtual reality training method is performed using the virtual reality training system of the present invention. The virtual reality training method includes setting training scenarios in a system server (S11), arranging trainees in a training space and preparing for training (S12), and providing virtual reality images according to training scenarios to trainee display devices. and conducting virtual reality training (S13), storing the training contents of the trainees in the storage unit of the system server (S14), and analyzing and evaluating the training contents of the trainees (S15).

A training scenario is set in the system server 100 (S11).

The system storage unit 141 of the system server 100 may store various software and applications required for training. For example, the software may store virtual reality training system software, sensing system software, monitoring system software, and hindsight system software. In addition, the system storage unit 141 may store training scenarios and emergency scenarios set according to various training situations. The controller 110 of the system server 100 may drive virtual reality training system software, detection system software, monitoring system software, and post-criticism system software according to an input signal or control signal of a training controller, and training scenarios and Training may be performed by applying the situation scenario to the training system 200 . The virtual reality training system software was developed to conduct training to counteract chemical terrorism, and the training scenarios were designed to implement various chemical terrorism situations. The training controller may select a training scenario suitable for training contents determined by the trainees and set it in the system server 100, and the system server 100 may perform training according to the selected training scenario.

The trainees T1, T2, and T3 are arranged in the training space 400 and training is prepared (S12).

The trainees T1, T2, and T3 may include a first trainee T1, a second trainee T2, and a third trainee T3 with different missions. For example, the first trainee (T1) may be an environmental agent belonging to the Ministry of Environment or the Chemical Safety Institute, the second trainee (T2) may be a police officer belonging to a special police force or an explosive ordnance disposal team, and the third trainee (T3) ) may be a member of the fire brigade or decontamination team. NIS agents belonging to the National Intelligence Service or soldiers belonging to military units can also participate in the training as trainers. In the drawing, each of the first to third trainees T1, T2, and T3 is shown as one person, but if not limited thereto, two or more people may be included. For example, one team leader and one team member can participate in virtual reality training as environmental agents, one police commando and one explosive ordnance disposal team can participate as police officers, and one firefighter and one deputy squadron can participate as firefighters. As such, the virtual reality training system of the present invention allows trainees of various affiliations and positions to form a team and perform multi-collaborative training. Through such training, trainees' ability to respond to terrorism or accidents can be cultivated.

The training space 400 may include a training waiting space 410 and a training performance space 420 . The training waiting space 410 is a space where the trainees T1 , T2 , and T3 wait before starting training, and the trainees T1 , T2 , and T3 may prepare for training in the training waiting space 410 . The trainers T1, T2, and T3 check the team members participating in the training, check the training mission, wear the training equipment, and check whether it works. The trainees T1, T2, and T3 each wear a trainee computer device 210, a trainee display device 220, a trainee input device 230, and a training suit 240. The trainee input device 230 may be coupled to and fixed to a wrist or wrist so as not to be separated from the trainee during training.

Although not shown in the drawings, a trainee sensor is mounted on the trainee computer device 210, the trainee display device 220, and/or the training clothes 240, or a marker is attached to the trainee's position and motion. Can be detected and tracked. Also, a trainee detection device 260 may be coupled to the trainee display device 220 . The trainee sensing device 260 may form a real object image and a real person image by detecting a real object and a real person, and may provide the real object image and the real person image to the trainee computer device 210. . The trainee computer device 210 may provide the real object image and the real person image to the system server 100, and the system server 100 provides the trainee computer device 210 of the trainees T1, T2, and T3. The real object image and the real person image may be provided. The trainee computer device 210 may display the real object image and the real person image on the trainee display device 220 .

Trainees (T1, T2, T3) can wear the same type of training clothes 240, but before starting training, the trainee's affiliation and position are displayed on the trainer display device 220 of the trainees (T1, T2, T3). Various images of virtual training clothes according to the back are displayed, and trainees T1, T2, and T3 can select virtual training clothes suitable for their affiliations and positions. The training suit selection information is transmitted to the system server 100 through the trainee computer device 210, and the system server 100 transmits training suit selection information of other trainees to the trainee computer device 210 of the trainees T1, T2, and T3. to provide. The trainee computer device 210 displays trainees wearing virtual training clothes images selected for each trainee on the trainee display device 220 as images. The trainees T1, T2, and T3 can distinguish other trainees by looking at the virtual training suit image displayed on the trainee display device 220.

Meanwhile, a virtual protective clothing image may be expressed for protective clothing (chemical protective clothing) for carrying out NBC training against chemical terrorism, similarly to training clothing. For example, when it is necessary to wear protective clothing for a CBRN situation occurring during training, various virtual protective clothing images are displayed on the trainee display device 220, and an appropriate virtual protective clothing can be selected according to the protection level. . The protective clothing selection information is transmitted to the system server 100 through the trainee computer device 210, and the system server 100 selects the protective clothing of other trainees to the trainee computer devices 210 of the trainees T1, T2, and T3. Provide information. The trainee computer device 210 replaces the virtual training suit image with a virtual protective suit image and displays it on the trainee display device 220 . Whether the trainees T1, T2, and T3 can select appropriate protective clothing according to the protection level may also be included in training evaluation items.

The training space 420 is a space in which the trainees T1 , T2 , and T3 perform training, and may include one or more training spaces. For example, the training space 420 may include a first training space 421 , a second training space 422 , and a third training space 423 . The number of training performance spaces can be appropriately selected according to training content.

A training control sensing device 330 is disposed in the training space 420, and the training control sensing device 330 can detect and track the trainee's position and motion through a trainee sensor and/or a marker. .

In the training space 400, a boundary wall 430 is disposed to divide the training waiting space 410 and the training space 420, and to divide the training space 420 into first to third training spaces 421, 422, and 423. It can be. The boundary wall 430 may be represented as a virtual object on the trainee display device 220 . The boundary wall 430 may be installed as a real object in the training space 400, but it is not installed as a real object to distinguish and set various training spaces, but only as a virtual object in the virtual reality image provided to the trainee display device 220. can be displayed First to third entrance doors 431 , 432 , and 433 are disposed on the boundary wall 430 . The first door 431 connects the training waiting space 410 and the first training space 421, and the second door 432 connects the first training space 422 and the second training space 422. , and the third door 433 connects the second training space 422 and the third training space 433 . The first to third doors 431 , 432 , and 433 may be represented as virtual objects on the trainee display device 220 . In addition, the first to third entrance doors 431, 432, and 433 may be installed as real objects, but may be expressed only as virtual objects instead of being installed as real objects in order to distinguish and set various training spaces.

Virtual reality training is performed by providing virtual reality images according to training scenarios to the trainee display devices 220 of the trainees T1, T2, and T3 (S13).

The trainee display device 220 is wired and/or wirelessly connected to the trainee computer device 210 to provide a virtual reality image to the trainee. In addition, the trainee display device 220 may provide trainees with various visual and auditory information necessary for training. The trainee display device 220 may be wirelessly connected to the system server 100 to communicate.

The virtual reality image is set in advance according to the situation of the training scenario, and a virtual space image representing a virtual space corresponding to the training space 400, a virtual object image represented as a virtual object in the virtual space image, and a virtual character represented as It includes a virtual character image, a real object image in which objects actually arranged in the training space 400 are represented in the virtual space image, and a real person image in which trainees in the training space 400 are represented in the virtual space image. The real object image is previously stored in the storage unit 140 of the system server 100 prior to training, and then displayed in a virtual space corresponding to the training space where the real object is placed during training. (220). In addition, when training is performed, real objects sensed by the training control sensing device 330 and the trainee sensing device 260 may be converted into images (real object images) and provided. That is, virtual objects and virtual characters are objects and people that do not actually exist, and are expressed as virtual object images and virtual character images in virtual reality images, and real objects and real people are objects and people that actually exist in the training space 400. It is expressed as a real object image and a real person image in a virtual reality image. Accordingly, the trainees T1, T2, and T3 cannot distinguish whether the image is a virtual object or a real object and whether the image is a virtual person or a real person only with the image displayed on the trainee display device 220. Therefore, not only an unexpected situation scenario can be implemented using virtual objects, but also various unexpected situations or events can be implemented using real objects. When training is performed, after the detection information on the real object or real person acquired by the training control sensing device 330 and the trainee sensing device 260 is converted into a real object image or real person image, the trainee display device ( 220) can be provided.

The sensing unit 120 of the system server 100 tracks the position of the trainee using the sensing system software (eg, the motive system), the training control sensing device 330, and the trainee sensor 250, and tracks the trainee's position. motion can be detected. The sensor 120 provides the trainee's location information and motion information to the training system 200 and the training control system 300 in real time so that virtual reality training can be effectively performed. The sensing unit 120 can provide information on various interactions that occur simultaneously by processing position and motion data of each of a plurality of trainees in real time, and enables a plurality of trainees to respond according to different interactions, thereby improving training. can be upgraded. Accordingly, multi-cooperative training of a plurality of trainees T1 , T2 , and T3 having different missions can be effectively implemented.

The training contents of the trainees T1, T2, and T3 are stored in the storage unit 140 of the system server 100 (S14).

The training data storage unit 142 of the system server 100 may store training contents of the trainees T1, T2, and T3 in real time. In addition, the training data storage unit 142 may store training contents of the trainees T1 , T2 , and T3 by classifying them by trainee, team, period, scenario, and training situation. Accordingly, the stored training contents can be easily retrieved later and can be easily and conveniently used for analysis, evaluation, and post-mortem.

The training contents of the trainees T1, T2, and T3 are analyzed and evaluated (S15).

The analysis unit 130 of the system server 100 may analyze the training contents by monitoring the training situation using the monitoring system software and post-criticism system software, and may analyze the training contents of the trainees T1, T2, and T3 for each individual/team. Can evaluate training and can provide critique of training.

The ex-post critique system software may review, analyze, and evaluate training results after completion of chemical terrorism response training to provide general critiques of education and training so that more efficient retraining can be performed. The post-criticism system software may be composed of training record, playback and pause, training query, training analysis, and training evaluation. The training record may include a record of the trainee's location, a record of the trainee's motion, a record of the location of an object, and an event record. The play and pause may include training play, training stop, training end, and viewpoint movement (first-person and third-person multi-screen split viewpoints). The training inquiry may include a training search by period, a training search by trainee, and a training search by scenario. Training analysis may include displaying training progress, displaying training results and information, data analysis, and individual/team ability analysis. The training evaluation may include creating an individual training result evaluation report, storing and outputting an evaluation report.

9 shows a virtual reality training method according to another embodiment of the present invention, and FIGS. 10 and 11 are diagrams for explaining the virtual reality training method of FIG. 9 . Redundant descriptions of the foregoing embodiments may be omitted.

7 and 9 to 11, the virtual reality training method is performed using the virtual reality training system of the present invention. The virtual reality training method includes setting a training scenario of an unexpected situation in a system server (S21), arranging trainees in a training space and preparing for training (S22), and displaying training scenarios of an unexpected situation on a trainee display device of trainees. providing virtual reality images according to the virtual reality training step (S23), storing the training contents of trainees for unexpected situations in the storage unit of the system server (S24), and training contents of trainees for unexpected situations It may include analyzing and evaluating (S25).

A training scenario of an unexpected situation is set in the system server 100 (S21).

The system storage unit 141 of the system server 100 may store various unexpected situation scenarios. The control unit 110 of the system server 100 may proceed with training by applying an unexpected situation scenario to the training system 200 according to an input signal or control signal of a training controller. The unexpected situation may include a situation where the booby trap 510 is installed in the training space 420 . Booby traps 510 may include ball bomb booby traps or chemical booby traps, such as sulfuric acid booby traps.

The trainees T1, T2, and T3 are arranged in the training space 400 and training is prepared (S22).

The trainees T1, T2, and T3 may include a first trainee T1, a second trainee T2, and a third trainee T3 with different missions. For example, the first trainee (T1) may be an environmental agent belonging to the Ministry of Environment or the Chemical Safety Institute, the second trainee (T2) may be a police officer belonging to a special police force or an explosive ordnance disposal team, and the third trainee (T3) ) may be a member of the fire brigade or decontamination team. The trainees T1 , T2 , and T3 may prepare for training in the training waiting space 410 and then move to the training performance space 420 .

Virtual reality training is performed by providing a virtual reality image 225 according to an unexpected training scenario to the trainee display device 220 of the trainees T1, T2, and T3 (S23).

The trainees T1, T2, and T3 pass through the first door 431 to enter the first training space 421. The second trainee (T2), a police officer, opens the first entrance door (431), and the first trainee (T1), an environmental agent, and the third trainee (T3), a firefighter, follow the second trainee (T2). When entering a dangerous area, a police officer must take the lead and lead the environmental and firefighters, so the first trainee T1 or the third trainee T3, not the second trainee T2, opens the first entrance door 431. In case of opening, points may be deducted from the training evaluation. Trainees (T1, T2, T3) can get a good evaluation only when they are familiar with their duties and perform actions suitable for their duties during training.

The virtual object image of the boundary wall 430 and the virtual object image of the first door 431 are displayed on the virtual reality image 225 . When the second trainee T2 opens the first door 431, a portion of the booby trap 510 installed behind the boundary wall 430 may be displayed on the trainee display device 220 of the second trainee T2.

When the second trainee T2 opens the first door 431 without recognizing the existence of the booby trap 510 because he fails to fulfill his duty of care, the booby trap 510 may operate and explode. When the booby trap 510 operates and explodes, the marble bomb or chemical substance flying in all directions can be expressed as a virtual object image, and when the trainees (T1, T2, T3) come into contact with the marble bomb or chemical substance, they are injured. can be evaluated as wearing or being transcribed. In addition, the degree of injury may be evaluated differently depending on the degree of contact with the bead bomb or chemical substance.

When the second trainee T2 recognizes the existence of the booby trap 510, a task of disassembling or removing the booby trap 510 may be performed. Equipment for disassembling the booby trap 510 may be selected and used through the trainer input device 230. The equipment may be displayed as a virtual object image on the virtual reality image 225 and operated by manipulation of the trainee input device 230 .

The trainees' training contents for unexpected situations are stored in the storage unit of the system server (S24).

The training data storage unit 142 of the system server 100 may store training contents of the trainees T1 , T2 , and T3 for an unexpected situation of the booby trap 510 in real time.

Trainees' training contents for unexpected situations are analyzed and evaluated (S25).

The analysis unit 130 of the system server 100 may analyze the training contents by monitoring the training situation for the booby trap 510 using the monitoring system software and post-criticism system software, and trainees' training by individual/team. and can provide critique of training. Additional points may be given to the second trainee T2 for recognizing the existence of the booby trap 510 and the task of dismantling or removing the booby trap 510 may be evaluated. The level of difficulty for evaluating the trainee can be adjusted by setting the type, structure, connection device, explosion time, and explosion method of the booby trap 510 differently.

12 shows a virtual reality training method according to another embodiment of the present invention, and FIGS. 13 to 17 are diagrams for explaining the virtual reality training method of FIG. 12 . Redundant descriptions of the foregoing embodiments may be omitted.

12 to 17, the virtual reality training method is performed using the virtual reality training system of the present invention. The virtual reality training method includes setting a chemical terrorism training scenario in a system server (S31), arranging trainees in a training space and preparing for training (S32), and displaying chemical terrorism training scenarios on a trainee display device. providing virtual reality images according to the virtual reality training step (S33), storing the training contents of the trainees for chemical terrorism in the storage unit of the system server (S34), and training contents of the trainees for chemical terrorism. It may include analyzing and evaluating (S35).

A training scenario for chemical terrorism is set in the system server 100 (S31).

The system storage unit 141 of the system server 100 may store various chemical terrorism scenarios. The controller 110 of the system server 100 may proceed with training by applying a chemical terrorism scenario to the training system 200 according to an input signal or control signal of a training controller. The chemical terrorism is a situation where a chemical substance 530 used for chemical terrorism is disposed in the first training space 421 and a virtual enemy E1 preparing for chemical terrorism is disposed in the second training space 422. situation can be included. The chemical substance 530 is a dangerous substance that can be used for chemical terrorism and may be provided to the first training space 421 in the form of solid powder or liquid or gas contained in a container. For example, the chemicals 530 may include chlorine, ammonium nitrate, nitric acid, pentaerythritol tetranitrate (PETN), triacetone triperoxide (TATP), ammonium nitrate fuel oil (ANFO), and the like.

The trainees T1, T2, and T3 are arranged in the training space 400 and training is prepared (S32).

The trainees T1, T2, and T3 may include a first trainee T1, a second trainee T2, and a third trainee T3 with different missions. For example, the first trainee (T1) may be an environmental agent belonging to the Ministry of Environment or the Chemical Safety Institute, the second trainee (T2) may be a police officer belonging to a special police force or an explosive ordnance disposal team, and the third trainee (T3) ) may be a member of the fire brigade or decontamination team. The trainees T1 , T2 , and T3 may prepare for training in the training waiting space 410 and then move to the training performance space 420 .

Virtual reality training is performed by providing virtual reality images 225 according to chemical terrorism training scenarios to the trainee display devices 220 of the trainees T1, T2, and T3 (S33).

The trainees T1, T2, and T3 pass through the first door 431 to enter the first training space 421. The second trainee (T2), a police officer, opens the first entrance door (431) and moves to the first training space (421), and the first trainee (T1), an environmental agent, and the third trainee (T3, a firefighter) open the second training space (421). Following the trainee (T2). The boundary wall 430 and the first door 431 may be displayed as virtual object images in the virtual reality image 225 .

The trainees T1 , T2 , and T3 who have moved to the first training space 421 find the chemical substance 530 placed on the table 520 . The table 520 and the chemicals 530 may be displayed as virtual object images in the virtual reality image 225 . In addition, unlike this, real objects disposed in the first training space 421 may be converted into images and displayed on the virtual reality image 225 . In this way, realism of training can be improved by appropriately using real objects.

The first trainee (T1) as an environmental agent analyzes the chemical substance (530). In one embodiment, chemical 530 may be TATP. The first trainee T1 may select a water bottle using the trainee input device 230, and the water bottle may be displayed as a virtual object image on the virtual reality image 225. By manipulating the trainee input device 230, water from the canister can be poured into the chemical 530 to wet the TATP, thereby ending the situation for the chemical 530. In addition, the first trainee T1 may request the third trainee T3, who is a firefighter, to collect the chemicals 530. The third trainee T3 may select chemical substance detoxification equipment using the trainee input device 230 , and the chemical substance detoxification equipment may be displayed as a virtual object image in the virtual reality image 225 . The third trainee T3 may collect the chemical substance 530 by manipulating the trainee input device 230 to operate the chemical substance decontamination equipment. When the chemical substance 530 is collected, the virtual object image of the chemical substance 530 is removed from the virtual reality image 225 . In addition, the first trainee T1 may collect a portion of the chemical substance 530 in a sample bottle and then request an analysis. The sample bottle and the spoon for collecting may be displayed as virtual object images in the virtual reality image 225 . If a situation such as an explosion occurs due to incorrect handling of the chemical 530 during the collection or collection process, points may be deducted from the training evaluation.

While the first trainee T1 and the third trainee T3 process the chemical 530 in the first training space 421, the second trainee T2 moves to the second training space 422 and can perform their duties. The second trainee T2 may meet and respond to the virtual enemy E1 preparing for chemical terrorism in the second training space 422 . The virtual enemy E1 may be displayed as a virtual person image on the virtual reality image 225 provided to the trainee display device 220 of the second trainee T2. Alternatively, training may be performed by placing a real person as an opponent in the second training space 422, and the virtual enemy E1 may be displayed on the virtual reality image 225 after the real person is converted into an image. there is.

The training contents of the trainees for chemical terrorism are stored in the storage unit of the system server (S34).

The training data storage unit 142 of the system server 100 may store training contents of the trainees T1 , T2 , and T3 against chemical terrorism by the chemical substance 530 and the virtual enemy E1 in real time.

The training contents of the trainees for chemical terrorism are analyzed and evaluated (S35).

The analysis unit 130 of the system server 100 may analyze the training contents by monitoring the training situation for chemical terrorism using the monitoring system software and post-criticism system software, and evaluate the training of trainees by individual/team. and can provide critique of training. Additional points may be given to the first trainee T1 for accurately identifying and processing chemicals, and the task of collecting or collecting the chemicals 530 may be evaluated. It is possible to adjust the level of difficulty of evaluating a trainee by differently setting the type, property, treatment method, etc. of the chemical substance 530 . Also, for the second trainee T2, the task corresponding to the virtual enemy E1 can be evaluated. The difficulty of evaluating the trainee may be adjusted by differently setting the number of virtual opponents E1 and the ability to counter them.

So far, we have looked at specific embodiments of the present invention. Those skilled in the art to which the present invention pertains will be able to understand that the present invention can be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative rather than a limiting point of view. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the equivalent scope will be construed as being included in the present invention.

10: virtual reality training system 100: system server
110: control unit 120: detection unit
130: analysis unit 140: storage unit
150: communication department 200: training execution system
210: trainer computer device 220: trainer display device
230: trainer input device 240: training clothes
250: Trainer sensor 260: Trainer sensing device
300: training control system 310: display device for training control
320: input device for training control 330: detection device for training control
400: training space 410: training waiting space
420: training space 430: boundary wall
431,432,433: Door T1, T2, T3: Trainer
E1: Imaginary Enemy

Claims (8)

Training performance including a system server that stores chemical terrorism training scenarios and controls virtual reality training according to the chemical terrorism training scenarios, and equipment worn or carried by a trainee to perform the chemical terrorism virtual reality training A virtual reality training method for responding to chemical terrorism using a virtual reality training system including a system and a training control system for controlling the virtual reality training,
The virtual reality training method for responding to chemical terrorism,
providing the trainee with a virtual reality image according to the training scenario of the chemical terrorism to perform the virtual reality training;
The training system,
A trainee computer device communicating with the system server and controlling virtual reality training of the trainee, a trainee display device communicating with the trainee computer device and providing the virtual reality image to the trainee, and communicating with the trainee computer device and performing the virtual reality training A trainee input device that implements equipment used by the trainee in an image, and a trainee sensing device that is coupled to the trainee display device and detects real objects and real people to form real object images and real person images,
The training control system,
A training control display device disposed in a training control room that controls the virtual reality training and displaying image information related to the virtual reality training,
The virtual reality image is provided by the virtual reality training system,
The virtual reality image includes a virtual space image corresponding to a training space in which the trainee performs the virtual reality training,
The trainer includes a first trainer and a second trainer with different missions,
The display device for training control displays a virtual reality image provided to the trainee display device of the first trainee or the second trainee or displays a virtual reality image of the training space in which the virtual reality training is being performed,
Before the virtual reality training starts or while the virtual reality training is being conducted, a plurality of different virtual training suit images are displayed on the trainee display device, and the first and second trainees are each selected from among the plurality of virtual training suit images. select one, and while the virtual reality training is being performed, the trainee computer device displays images of the first trainee and the second trainee on the trainee display device, and the first trainee and the second trainee wear the selected virtual training clothes, respectively. displayed as an image,
The chemical terrorism includes a situation in which chemicals used for chemical terrorism are disposed in the training space,
The chemical substance is displayed as a virtual object image in the virtual reality image as a virtual object or displayed as a real object image in the virtual reality image as a real object,
When the chemical substance is a real object, the trainee sensing device detects the chemical substance to form the real object image and provides it to the trainee computer device. delete According to claim 1,
The virtual reality training method for counteracting chemical terrorism, characterized in that the chemical terrorism further comprises a situation in which a virtual enemy preparing for chemical terrorism is disposed in the training space. According to claim 3,
The virtual reality training method for counteracting chemical terrorism, further comprising evaluating training contents of the trainee corresponding to the chemical terrorism. According to claim 4,
Virtual reality training method for counteracting chemical terrorism, characterized in that the difficulty of evaluating the trainee is adjusted by differently setting the type, property, and processing method of the chemical. delete According to claim 1,
The virtual reality training method for counteracting chemical terrorism, further comprising storing and analyzing training contents for each of the first trainee and the second trainee. delete

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