CN112530223A - VR firefighter simulation training assessment system and training method - Google Patents
VR firefighter simulation training assessment system and training method Download PDFInfo
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- CN112530223A CN112530223A CN202011271640.8A CN202011271640A CN112530223A CN 112530223 A CN112530223 A CN 112530223A CN 202011271640 A CN202011271640 A CN 202011271640A CN 112530223 A CN112530223 A CN 112530223A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- A—HUMAN NECESSITIES
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Abstract
The invention discloses a VR firefighter simulation training examination system and a training method, wherein the VR firefighter simulation training examination system comprises a somatosensory feedback module, and the somatosensory feedback module comprises a fire-fighting simulation water gun, a force feedback fire hose arranged on the fire-fighting simulation water gun, a VR helmet and a self-heating fire-fighting suit; the fire-fighting simulation water gun comprises a gun body, a handle, a wireless control panel, a laser space locator, a gear adjusting knob, a displacement button and a water gun switch arranged at the adjacent position of the handle. The virtual scene model establishing module is used for establishing various customized virtual fire scenes; the training and examining module is used for providing theoretical teaching knowledge for firemen and carrying out training, examining and managing; and the system server is used for storing and recording the firefighter training and examination data so as to facilitate data query. The invention can be added and combined with fire scenes at will, can be trained repeatedly, truly simulates rescue scenes, and greatly improves the reality and the sense of scene of exercise. The potential safety hazard in the training process is reduced, and the training efficiency is improved.
Description
Technical Field
The invention relates to the technical field of fire fighting training and examination systems, in particular to a VR firefighter simulation training and examination system and a training method.
Background
With the rapid development of economy, urban high buildings are pulled out of the ground, and rural areas start to replace new appearances and flourish scenes. However, various fire-fighting potential safety hazards are hidden in the peaceful and abundant life of people, and more or less fire disasters are caused, so that the social panic and the damage to property and personnel are caused. Fire officers and soldiers need to handle more and more complicated and various tasks, firefighters need more diversification in actual combat training, fire hidden dangers generated by social development are attached to practice training, and actual combat safety training also faces dangerous and severe challenges. The most real virtual fire scene can be provided by combining VR, and a new-era fire-fighting practical training strategy is modeled.
The defects of the prior art are that the traditional training scene of the firefighter training is limited, the field is limited, the actual combat training of the firefighters can be accidentally injured, the repeated drilling difficulty is high, and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and adopts a VR firefighter simulation training assessment system and a training method to solve the problems in the background technology.
A VR firefighter simulated training assessment system comprising:
the motion sensing feedback module comprises a fire-fighting simulation water gun, a force feedback fire hose arranged on the fire-fighting simulation water gun, a VR helmet and a self-heating fire-fighting suit;
the virtual scene model establishing module is used for establishing various customized virtual fire scenes;
the training and examining module is used for providing theoretical teaching knowledge for firemen and carrying out training, examining and managing;
and the system server is used for storing and recording the firefighter training and examination data so as to facilitate data query.
As a further aspect of the invention: the fire-fighting simulation water gun, the force feedback fire hose, the VR helmet and the self-heating firefighter uniform are connected with the training and examining module through signals.
As a further aspect of the invention: the fire-fighting simulation water gun comprises a gun body, a handle arranged in the middle of the gun body, a wireless control panel arranged inside the tail end of the gun body, a laser space positioner arranged at the front end of the gun body, a gear adjusting knob arranged on the gun body at the opposite side of the handle, a displacement button arranged on the handle, and a water gun switch arranged at the adjacent position of the handle.
As a further aspect of the invention: the force feedback fire hose comprises a hose control plate, a motor controller arranged on the hose control plate, and a motor hose arranged on the motor controller.
As a further aspect of the invention: the VR helmet is provided with wireless locating element, self-heating fire-entry suit is provided with heart rate sensor.
As a further aspect of the invention: the training and assessment module comprises a theoretical teaching module, a grading training module and an assessment management module.
A training method of a VR firefighter simulation training and assessment system is characterized by comprising the following steps
S1, establishing a virtual fire scene and setting a somatosensory feedback module by using a virtual scene model establishing module;
s2, instructing fire-fighting simulation training through a training and examining module, collecting a feedback signal of a somatosensory feedback module, and changing a virtual fire scene in real time;
and S3, recording various firefighter training data and generating a simulation training report in the fire-fighting simulation training process.
As a further aspect of the invention: the specific method for establishing the virtual fire scene and setting the somatosensory feedback module by using the virtual scene model establishing module in the step S1 includes:
customizing scenes according to user requirements, and establishing a module to simulate real fire scenes through a virtual scene model to meet various fire extinguishing and rescue training requirements;
wear the fire control emulation squirt, force feedback fire hose, VR helmet and the self-heating fire-entry suit of feeling feedback module to it carries out the corresponding training of scene and sets for.
As a further aspect of the invention: step S2 instructs fire control simulation training through the training and examining module, collects feedback signals of the somatosensory feedback module, and changes the virtual fire scene in real time, which comprises the following specific steps:
according to the training instruction of the training and examining module, the selected training grade of each operation is known;
the method comprises the steps of collecting a heart rate change curve of a fireman in a training process, analyzing problems occurring in fire fighting rescue, giving suggestions, and generating a simulation training report.
As a further aspect of the invention: and the generated simulation training report is stored in a system server, and a plurality of times of simulation training comparison reports are generated.
Compared with the prior art, the invention has the following technical effects: through adopting foretell technical scheme, adopt the mode that software and hardware combines, train the examination to whole fire fighter's process of putting out a fire, feedback module is felt through wearing to the fire fighter, if have positioner's VR helmet, handheld fire control emulation squirt, but the on-off state of real-time detection squirt, adjust water gun discharge, the water jet mode etc. it has the hosepipe of taking power feedback to connect behind the fire control emulation squirt, be provided with the self-heating fire-entry suit of rhythm of the heart monitoring, virtual scene adopts VR technique real-time reduction fire scene, and virtual scene can add combination fire scene wantonly, can train repeatedly, true simulation rescue scene, the authenticity and the live sense of exercise that improve greatly. The potential safety hazard in the training process is reduced, and the training efficiency is improved.
Drawings
The following detailed description of embodiments of the invention refers to the accompanying drawings in which:
FIG. 1 is a system diagram of a VR firefighter simulated training assessment system in accordance with some embodiments disclosed herein;
FIG. 2 is a schematic illustration of a fire-fighting monitor according to some embodiments disclosed herein;
FIG. 3 is a schematic diagram of a training assessment module of some embodiments disclosed herein.
In the figure: 1. a somatosensory feedback module; 11. a fire-fighting simulation water gun; 111. a gun body; 112. a handle; 113. a wireless control panel; 114. a laser space locator; 115. a gear adjusting knob; 116. a displacement button; 117. a water gun switch; 12. force feedback fire hose; 121. a water hose control panel; 122. a motor controller; 123. a motor water hose; 13. a VR helmet; 131. a wireless positioning element; 14. self-heating firefighter uniform; 141. a heart rate sensor; 2. a virtual scene model building module; 3. a training and checking module; 31. a theoretical teaching module; 32. a grading training module; 33. an assessment management module; 4. and a system server.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, in an embodiment of the present invention, a VR firefighter simulation training and assessment system includes a somatosensory feedback module 1, a virtual scene model establishing module 2, a training and assessment module 3, and a system server 4.
The body feeling feedback module 1 comprises a fire-fighting simulation water gun 11, a force feedback fire hose 12 arranged on the fire-fighting simulation water gun 11, a VR helmet 13 and a self-heating fire-fighting suit 14;
the virtual scene model establishing module 2 is used for establishing various customized virtual fire scenes;
the training and examining module 3 is used for providing theoretical teaching knowledge of firemen and carrying out training, examining and managing;
and the system server 4 is used for storing and recording the firefighter training and checking data so as to facilitate data query.
In some specific embodiments, the fire-fighting simulation water gun 11, the force feedback fire hose 12, the VR helmet 13, and the self-heating firefighter uniform 14 are in signal connection with the training assessment module 2.
Referring to fig. 2, in some embodiments, the fire-fighting emulation water gun 11 includes a gun body 111, a handle 112 disposed in the middle of the gun body 111, a wireless control board 113 disposed inside the rear end of the gun body 111, a laser space locator 114 disposed at the front end of the gun body 111, a shift knob 115 disposed on the gun body 111 on the opposite side of the handle 112, a displacement button 116 disposed on the handle 112, and a water gun switch 117 disposed adjacent to the handle 112.
In some embodiments, the displacement button 116 is signaled to the IO pin of the wireless control board 113, and the displacement button 116 can be a multi-function button. If the fire fighters in the virtual scene move forward when pressed for a long time, the fire fighters move backward when pressed for a long time, and the system automatically enters a low-power-consumption standby mode when not pressed for a long time. The device can be awakened to enter a working mode by clicking once.
In some specific embodiments, the fire-fighting simulation water gun 11 is modified from a real water gun, and a wireless laser space locator 114 is installed at the front end of the gun body 111 of the fire-fighting simulation water gun 11, so that real-time location of the water gun in a software virtual scene can be realized.
In some specific embodiments, the water gun switch 117 and the gear adjusting knob 115 of the fire-fighting simulation water gun 11 according to the specific embodiment are internally provided with a rotary potentiometer, an internal circuit of the rotary potentiometer includes a potentiometer knob, a first pin of the potentiometer knob is connected with a positive electrode of a power supply, a second pin in the middle of the potentiometer knob is connected to an ADC pin of the control mainboard through a current-limiting resistor, a third pin of the potentiometer knob is grounded, when the water gun switch 117 and the gear adjusting knob 115 rotate, the rotary potentiometer is driven to rotate, the voltage of the second pin in the middle of the potentiometer knob changes accordingly, the acquired ADC value is converted into a rotation angle by the single chip microcomputer, the rotation angle is sent to computer software through a 433MHz wireless serial port module, and the software receives data and then executes the opening and closing size of the water gun in a scene, water spray adjustment and.
In some specific embodiments, the force feedback fire hose 12 includes a hose control panel 121, a motor controller 122 disposed on the hose control panel, and a motor hose 123 disposed on the motor controller 122.
The force feedback fire hose 12 specifically adopts a 48V brushless dc motor, and is equipped with a motor controller 122 and a hose control board 121. The motor controller 122 is a dc brushless motor driver, and the dc brushless motor driver is internally provided with a motor for overload or locked-rotor current-limiting stall, and is used for monitoring a large current in a moment to prevent the motor or the dc brushless motor driver from being damaged by overcurrent. The motor water hose 123 is fixed on a motor bearing, and the motor rotates to pull the motor water hose 123 to form force feedback. The motor controller 122 adopts STM32F103C8T6 as a main control chip, a 433MHz wireless serial port transparent transmission module is installed on the hose control board 121 and is provided with a PWM output port which is connected to the PWM control port of the motor controller 122, when computer software receives data such as the water gun switch 117 and the water quantity sent by the fire-fighting simulation water gun 11 to judge the opening angle and the water quantity of the fire-fighting simulation water gun 11 and then sends the data to the hose control board 121, after the hose control board 121 receives the information, the motor rotating speed is controlled by changing the duty ratio of the PWM wave, when the opening angle of the water gun switch 117 is small and the water flow is small, the motor controller 122 controls the duty ratio of the PWM wave to be reduced, the motor rotating speed is reduced, when the opening angle of the water gun switch 117 is increased, the PWM wave duty ratio is increased, the motor rotating speed is increased, when the scene exits from the water gun or the simulation switch, the motor controller 122 controls the motor to stop.
In some specific embodiments, the VR headset 13 is provided with a wireless location element 131 and the self-heating firefighter uniform is provided with a heart rate sensor 141.
The VR headset 13 may also be a mainstream headset such as HTC COSMOS, Oculus rise, etc. the VR headset 13 is mounted with a wireless positioning element 131, which uses WIGI wireless technology. The wireless transmitter on the VR headset 13 can send the location information to the host by inserting an expansion card into the host port. The VR experience of near zero time delay is provided, the cable constraint is eliminated, barrier-free walking is carried out, and multi-person synchronous training can be supported. The fire fighter can freely train in the fire scene at the first visual angle in space, the scene content is vivid, the fire scene can be freely combined, and repeated training is carried out.
Referring to fig. 3, in some embodiments, the training and assessment module includes a theoretical teaching module 31, a grading training module 32, and an assessment management module 33.
The theoretical teaching module 31 builds a theoretical knowledge system according to the firefighter training and assessment outline. The knowledge system is divided into sections from shallow to deep, and important knowledge points for fire fighting and fire extinguishing training are presented through video animation, image-text explanation and dubbing.
The hierarchical training module 32 includes a basic training sub-module, a scenario training sub-module, and a free training sub-module.
Basic training submodule: basic operations of the fire-fighting simulation lance 11, such as adjustment of a lance switch 117, water spraying, water quantity adjustment, and the like, are indicated to a trainee.
A scene training submodule: satisfy all kinds of fire control and rescue training demands through real fire scene, adopt suggestion fire fighter training items of attention such as sound, light, characters simultaneously, more real reduction fire control puts out a fire the step when putting out a fire, puts out a fire posture, squirt water spray position, key steps such as squirt water yield, splash are adjusted to can repetitious repetition training, reach the training purpose of putting out a fire and putting out a fire of fire.
A free training submodule: the user can select the materials including the situation training and the basic training to carry out the independent training according to the self requirement, and can select the single individual training or the multi-person cooperative training. The system will record the time of the training and the training process.
The examination management module 33 can enable the training instructor to set examination contents with different difficulties according to the training contents and the training intensity of the trainee, organize the trainee to take an examination and record the examination result and archive the examination result. And training and examination processes of a trainer can be recorded and played back, so that the service end can evaluate and analyze the training process conveniently. The trainer can more clearly know the problems of the trainer in the fire fighting training, and the improvement of the fire fighting skill is facilitated. Meanwhile, the functions of student registration, login, score inquiry, background management and the like can be provided.
A training method of a VR firefighter simulation training and assessment system is characterized by comprising the following steps
S1, the concrete steps of establishing a virtual fire scene by using the virtual scene model establishing module and setting the somatosensory feedback module comprise:
the scene is customized according to the user demand, and various fire extinguishing and rescue training demands are met through the virtual scene model building module to simulate the real fire scene. Wear the fire control emulation squirt, force feedback fire hose, VR helmet and the self-heating fire-entry suit of feeling feedback module to it carries out the corresponding training of scene and sets for.
And S2, instructing fire-fighting simulation training through the training and examining module, collecting feedback signals of the somatosensory feedback module, and changing the virtual fire scene in real time. According to the training instruction of the training and checking module, the selected training grade of each operation is known, the heart rate change curve of a fireman in the training process is collected, the problems occurring in fire fighting and rescue are analyzed, suggestions are given, and a simulation training report is generated.
And S3, recording various firefighter training data and generating a simulation training report in the fire-fighting simulation training process.
In some specific embodiments, the generated simulation training report is stored in a system server, and a plurality of simulation training comparison reports are generated.
The working principle and the working process of the system of some embodiments disclosed by the invention are as follows:
firstly, a host computer is started, hardware equipment such as a 433MHz wireless serial port receiver, a Bluetooth adapter and the like are plugged, a fireman simulation training and examination system is entered for logging, and a main interface displays a touch control selection button of a theoretical teaching module 31, a grading training module 32 and an examination management module 33;
the student can select any module to carry out a learning training examination on the interface, and voice prompt is provided for each step of operation.
Clicking the theoretical teaching module 31, the trainees can watch resources such as teaching courses, videos, animations, documents and the like of fire-fighting training;
the click grading training module 32 is divided into three sub-modules: a basic training submodule, a scene training submodule and a free training submodule;
after any training mode is selected, if scene training is carried out, the system can randomly generate a fire scene for fire extinguishing rescue training.
The student wears self-heating firefighter uniform 14 of taking heart rate to gather and heating function, wears VR helmet 13, handheld emulation fire-fighting lance 11 to access power feedback fire hose 12 opens the squirt switch, adjusts squirt water yield, squirt mode of jetting etc. and can freely walk in the scene, aim at the position of catching a fire and spray the fire to emulation fire-fighting lance 11 and put out a fire.
After training is finished, the heart rate change curve in the training process can be reviewed in the system, problems existing in the trainees are analyzed, reasonable suggestions are given, and a simulation training report is generated.
The trainees or instructors can view the learning, training, assessment processes and results through the assessment management module 33.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the invention.
Claims (10)
1. The utility model provides a VR firefighter simulation training examination system which characterized in that includes:
the body feeling feedback module (1) comprises a fire-fighting simulation water gun (11), a force feedback fire hose (12) arranged on the fire-fighting simulation water gun, a VR helmet (13) and a self-heating fire-fighting suit (14);
the virtual scene model establishing module (2) is used for establishing various customized virtual fire scenes;
the training and examining module (3) is used for providing theoretical teaching knowledge of firefighters and carrying out training, examining and managing;
and the system server (4) is used for storing and recording the firefighter training and checking data so as to facilitate data query.
2. The VR firefighter simulation training and assessment system of claim 1, wherein the fire-fighting simulation lance, the force-feedback fire hose, the VR helmet, and the self-heating firefighter uniform are in signal communication with the training and assessment module.
3. The VR firefighter simulation training and assessment system according to claim 2, wherein the fire-fighting simulation lance includes a lance body (111), a handle (112) disposed in the middle of the lance body, a wireless control board (113) disposed inside a rear end of the lance body, a laser space locator (114) disposed at a front end of the lance body, a gear adjustment knob (115) disposed on the lance body on an opposite side of the handle, a displacement button (116) disposed on the handle, and a lance switch (117) disposed adjacent to the handle.
4. The VR firefighter simulation training and assessment system of claim 2, wherein the force feedback fire hose includes a hose control panel (121), a motor controller (122) disposed on the hose control panel, and a motor hose (123) disposed on the motor controller.
5. The VR firefighter simulated training assessment system of claim 2, wherein the VR helmet is provided with a wireless location element (131) and the self-heating firefighter uniform is provided with a heart rate sensor (141).
6. The VR firefighter simulated training assessment system of claim 2, wherein the training assessment module includes a theoretical teaching module (31), a grading training module (32), and an assessment management module (33).
7. A training method for the VR firefighter simulated training assessment system of any one of claims 1-6, comprising
S1, establishing a virtual fire scene and setting a somatosensory feedback module by using a virtual scene model establishing module;
s2, instructing fire-fighting simulation training through a training and examining module, collecting a feedback signal of a somatosensory feedback module, and changing a virtual fire scene in real time;
and S3, recording various firefighter training data and generating a simulation training report in the fire-fighting simulation training process.
8. The training method of the VR firefighter simulated training assessment system of claim 7, wherein the step S1 includes the specific steps of establishing a virtual fire scene by using a virtual scene model establishing module and setting a somatosensory feedback module:
customizing scenes according to user requirements, and establishing a module to simulate real fire scenes through a virtual scene model to meet various fire extinguishing and rescue training requirements;
wear the fire control emulation squirt, force feedback fire hose, VR helmet and the self-heating fire-entry suit of feeling feedback module to it carries out the corresponding training of scene and sets for.
9. The training method of the VR firefighter simulation training assessment system of claim 7, wherein the step S2 of instructing fire simulation training through the training assessment module, collecting feedback signals of the somatosensory feedback module, and changing the virtual fire scene in real time comprises the specific steps of:
according to the training instruction of the training and examining module, the selected training grade of each operation is known;
the method comprises the steps of collecting a heart rate change curve of a fireman in a training process, analyzing problems occurring in fire fighting rescue, giving suggestions, and generating a simulation training report.
10. The training method of the VR firefighter simulated training assessment system of claim 7 or 9, wherein the generated simulated training report is stored in a system server, and a plurality of simulated training comparison reports are generated.
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| CN115040753A (en) * | 2022-07-26 | 2022-09-13 | 中国人民警察大学 | Fire fighter high altitude psychology adaptability training system based on VR |
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