CN113793540A - VR-based internal floating roof oil tank accident handling teaching and training method and device - Google Patents
VR-based internal floating roof oil tank accident handling teaching and training method and device Download PDFInfo
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Abstract
A VR based internal floating roof tank accident handling teaching and training method and device, the method comprising: constructing an accident scene model of the internal floating roof oil tank in a VR (virtual reality) view field; responding to a teaching scene mode, configuring a teaching simulation scene, and performing accident handling teaching training on students; and responding to the training scene mode, configuring a training simulation scene, and performing real-time practice of accident handling on the trainees.
Description
Technical Field
The invention relates to the technical field of VR teaching and training, in particular to an inner floating roof oil tank accident handling teaching and training method and device based on VR.
Background
Along with the requirement of expansion of the oil depot, the accidents of blocking and sinking the floating roof at home and abroad occur for many years, which causes huge economic loss and becomes a problem to be solved urgently. Tanks containing large quantities of hazardous chemicals are present in the great south and north of our country. Due to the fact that the oil tank is difficult to fight fire, difficult in conditions and high in harmfulness, huge risks and rescue pressure are brought to emergency departments, particularly fire rescue departments. Wherein the internal floating roof tank (for storing naphtha, for example) has a high accident probability. The internal floating roof oil tank fire-fighting training drill aims at enhancing the safety and fire-prevention consciousness, enables people to further know and master the processing flow of fire, improves the coordination and matching capacity in the process of processing emergency events, and enhances the capacity of fire fighters in handling accidents in the fire.
The existing drilling method for the fire-fighting training of the internal floating roof oil tank comprises a physical training mode and a video teaching training mode, wherein the physical training mode adopts a real tank or model tank mode for on-site training, and has the defects of site limitation, high training cost, environmental pollution, incapability of reappearance, high difficulty of repeated training and the like. The video teaching training mode presents the accident handling steps and the cautions of the internal floating roof oil tank in a video mode, and has the defects of being not visual enough, incapable of being operated in person and the like.
Disclosure of Invention
Some embodiments of the present disclosure provide a VR-based internal floating roof tank accident handling teaching and training method, comprising:
constructing an accident scene model of the internal floating roof oil tank in a VR (virtual reality) view field;
responding to the teaching scene mode, configuring a teaching simulation scene, and performing accident handling teaching training on students; and
and responding to the training scene mode, configuring a training simulation scene, and performing real-time practice drilling of accident handling on the trainees.
In some embodiments, the constructing an internal floating roof tank accident scenario model in the VR field of view comprises:
modeling each structure of the internal floating roof oil tank to form an internal floating roof oil tank static model;
constructing an operable action part model for the action part;
constructing an action trigger model based on the operation action of the actual accident; and
and forming the accident scene model of the inner floating roof oil tank by adopting an operation model based on the static model of the inner floating roof oil tank, the action part model and the action trigger model.
In some embodiments, the operational model is:
wherein B iskRepresenting input model parameters including personnel parameters, naphtha basic parameters and tank structure parameters, akThe weight coefficients representing the model parameters adopt different weight coefficients aiming at different input model parameters; and R represents an operation result.
In some embodiments, in response to the instructional scene mode, configuring an instructional simulation scene, performing incident treatment instructional training on the student comprising:
switching to the teaching scene in response to the scene switching signal, configuring the teaching simulation scene, and carrying out inner floating roof oil tank structure teaching training and operation step teaching training on the student in the VR view field by adopting the head-mounted VR equipment and the operation handle.
In some embodiments, employing the head-mounted VR device to teach and train the trainee in the VR field of view to include employing the head-mounted VR device to teach and train the trainee in the VR field of view to teach and train the tank, the frame, the tank wall, the manhole, and/or the safety valve.
In some embodiments, performing the instructional training of the steps of operating the student in the VR field of view using the head-mounted VR device and the operating handle includes at least one of:
adjusting and collecting foam fire fighting trucks in a VR field of view, and collecting the foam fire fighting trucks at an upwind port position which is a first distance away from an inner floating roof oil tank;
wearing an insulating suit assembly and an air respirator assembly in the VR field of view;
the fire condition of the internal floating roof oil tank and the condition of the internal floating roof oil tank body are detected in a VR visual field;
closing a tank heating pipeline valve in a VR field of view;
checking the number of foam generators and the flow rate in a VR visual field;
connecting a water hose and a fixed fire-fighting facility in a VR view field;
connecting a water hose water separator with a foam gun in a VR field of view to perform foam discharge test;
closing a fixed fire-fighting equipment inlet valve in the VR field of view;
opening a drain outlet of the main pipeline in the VR field of view;
and adjusting the foam flow of the foam fire truck in the VR visual field, and discharging foam to extinguish fire.
In some embodiments, in response to the training scenario mode, configuring a training simulation scenario, the performing a practice drill of incident treatment on the student comprising:
responding to a scene switching signal to switch to a training scene, and configuring internal floating roof oil tank state information and external environment information, wherein the internal floating roof oil tank state information comprises a fire position and combustion leakage, and the external environment information comprises wind direction, wind power, rainy days and sunny days;
the student uses the operating handle to execute accident handling operation according to the accident scene in the VR view field;
and performing accident deduction by using the decision tree model, and judging the practice drilling state.
In some embodiments, the decision tree model comprises:
wherein k represents a natural number between 1 and n, n is a natural number greater than 1, PkAnd H represents the training result entropy obtained according to the decision tree model.
Some embodiments of the present disclosure provide a VR-based internal floating roof tank accident handling teaching and training device, comprising:
a scene construction unit configured to construct an internal floating roof tank accident scene model in the VR field of view, an
The processing unit is configured to respond to a teaching scene mode, configure a teaching simulation scene and carry out accident handling teaching training on students; and responding to the training scene mode, configuring a training simulation scene, and performing real-time practice of accident handling on the trainees.
Some embodiments of the present disclosure provide an electronic device, including:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the method as in the preceding embodiments.
Compared with the related art, the scheme of the embodiment of the disclosure has at least the following beneficial effects:
the method combines a Virtual Reality (VR) technology, various possible disaster situations and dangerous situations of the virtual internal floating roof oil tank can occur, a student can roam in a VR scene at a first person viewing angle to know detailed information of the disaster situations, the student is immersed in an accident space environment, various accident scenes can be treated by utilizing information such as position and posture transmitted by a computer sensor, and authenticity and infectivity of the virtual scene are improved. The system builds a real disaster scene through an upper computer, and enables students to be immersed in a simulated environment through VR wearable equipment, so that the students can obtain training effects basically consistent with the real environment.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty. In the drawings:
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty. In the drawings:
FIG. 1 illustrates a flow chart of an internal floating roof tank accident handling teaching and training method according to an embodiment of the present disclosure;
FIG. 2 shows a schematic flow diagram of an internal floating roof tank accident scenario model construction according to an embodiment of the present disclosure;
FIG. 3 shows a schematic structural diagram of an internal floating roof tank accident handling teaching and training apparatus according to an embodiment of the present disclosure;
FIG. 4 is an internal structural view of the upper machine of FIG. 3;
FIG. 5 shows a schematic block diagram of an internal floating roof tank accident handling teaching and training apparatus according to an embodiment of the present disclosure;
fig. 6 shows an electronic device connection structure schematic according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or apparatus. Without further limitation, the recitation of an element by the phrase "comprising a" does not exclude the presence of other like elements in a commodity or device comprising the element.
The utility model provides a VR-based internal floating roof oil tank accident handling teaching and training method, which comprises the following steps: constructing an accident scene model of the internal floating roof oil tank in a VR (virtual reality) view field; responding to the teaching scene mode, configuring a teaching simulation scene, and performing accident handling teaching training on students; and responding to the training scene mode, configuring a training simulation scene, and performing actual exercise drilling of accident handling on the trainees.
According to the accident handling teaching and training method, a real disaster scene is built, and an operator, namely a student is immersed in a simulation environment through VR wearable equipment, so that the operator can obtain a training effect basically consistent with a real environment.
In the method, by combining a VR virtual reality technology, various possible disasters and dangerous situations of the virtual inner floating roof oil tank can be realized, operators, namely students can roam in scenes to know detailed information of the disasters from a first-person perspective and immerse in a hazardous chemical substance accident space environment, various accident scenes can be presented and handled by a computer, and authenticity and infectivity of a virtual site are improved. Provides a realistic, safe, repeatable and low-consumption training means for operators so as to improve the commanding and cooperative fighting capacity of large-scale fire field combined fighting.
Alternative embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
FIG. 1 shows a flow chart of an internal floating roof tank accident handling teaching and training method according to an embodiment of the present disclosure. As shown in fig. 1, according to an embodiment of the present disclosure, the present disclosure provides a VR-based floating roof tank accident handling teaching and training method, including the following method steps:
step S102: and constructing an inner floating roof oil tank accident scene model in the VR field, wherein the inner floating roof oil tank accident scene model comprises an inner floating roof oil tank static model, an action component model and an action trigger model. Therefore, a real inner floating roof oil tank accident scene can be simulated in a VR (virtual reality) view field, so that subsequent operators are immersed in a hazardous chemical substance accident space environment at a first-person view angle, various accident scenes are treated by using a computer, and the authenticity and the infectivity of a virtual site are improved.
Fig. 2 shows a schematic flow chart of construction of an internal floating roof tank accident scenario model according to an embodiment of the present disclosure. In some embodiments, as shown in fig. 2, step S102: constructing an internal floating roof tank accident scenario model in a VR field of view may have steps comprising:
s1022: and modeling each structure of the internal floating roof oil tank to form an internal floating roof oil tank static model.
And 3D modeling is carried out on each part of the inner floating roof oil tank by completely disassembling the inner floating roof oil tank structure, and an incidence relation between part models is set to construct an inner floating roof oil tank static model. The parts of the internal floating roof oil tank comprise a tank wall vent hole, a tank roof oil metering hole, a tank roof vent hole, a tank roof light transmitting hole, an anti-rotation device, a static electricity leading-out device, a sealing device, a floating pipe, a vacuum valve, a floor, a manhole, an oil product inlet diffusion pipe and the like.
S1024: an operable action member model is constructed for the action member.
An operable action part model is provided for the operable action part, such as a foam fire truck assembly, an insulation suit assembly, an air respirator assembly, a foam gun assembly, a valve assembly, and a drain assembly.
S1026: and constructing an action trigger model based on the operation action of the actual accident.
And constructing an action trigger model according to the position, action and posture information of the operator in the real actual accident scene and the corresponding action effect.
S1028: and forming the accident scene model of the inner floating roof oil tank by adopting an operation model based on the static model of the inner floating roof oil tank, the action part model and the action trigger model.
In some embodiments, the operational model is:
wherein B iskRepresenting input model parameters including personnel parameters, naphtha basic parameters and tank structure parameters, akThe weight coefficients representing the model parameters adopt different weight coefficients aiming at different input model parameters; and R represents an operation result.
Personnel parameters include, for example, personnel location, personnel actions, personnel attitude, essential parameters of naphtha including, for example, major constituents, physicochemical properties, density, explosive limit, boiling point, structural parameters of tank including, for example, internal floating roof tank, frame, large volume seamless tank, float plate, manhole, etc.
The internal floating roof oil tank accident scene model can be displayed in a VR scene in a first-person visual angle mode.
Step S104: and responding to the teaching scene mode, configuring a teaching simulation scene, and performing accident handling teaching training on the trainees.
Specifically, switching to the teaching scene in response to the scene switching signal, configuring a teaching simulation scene, performing internal floating roof oil tank structure teaching training on the student in the VR view field by adopting the head-mounted VR device, and performing operation step teaching training on the student in the VR view field by adopting the head-mounted VR device and the operation handle.
In some embodiments, employing the head-mounted VR device to teach and train the trainee in the VR field of view to include employing the head-mounted VR device to teach and train the trainee in the VR field of view to teach and train the tank, the frame, the tank wall, the manhole, and/or the safety valve.
In some embodiments, performing the instructional training of the steps of operating the student in the VR field of view using the head-mounted VR device and the operating handle includes at least one of:
adjusting and collecting foam fire fighting trucks in a VR field of view, and collecting the foam fire fighting trucks at an upwind port position which is a first distance away from an inner floating roof oil tank;
wearing an insulating suit assembly and an air respirator assembly in the VR field of view;
the fire condition of the internal floating roof oil tank and the condition of the internal floating roof oil tank body are detected in a VR visual field;
closing a tank heating pipeline valve in a VR field of view;
checking the number of foam generators and the flow rate in a VR visual field;
connecting a water hose and a fixed fire-fighting facility in a VR view field;
connecting a water hose water separator with a foam gun in a VR field of view to perform foam discharge test;
closing a fixed fire-fighting equipment inlet valve in the VR field of view;
opening a drain outlet of the main pipeline in the VR field of view;
and adjusting the foam flow of the foam fire truck in the VR visual field, and discharging foam to extinguish fire.
Step S106: and responding to the training scene mode, configuring a training simulation scene, and performing real-time exercise drilling of accident handling on the trainees.
Specifically, according to actual accident handling experience, a plurality of approximately real fire service scenes are constructed to virtually reproduce oil tank accident sites, including external environment conditions such as weather, wind direction and wind power, various emergency situations and the like, so that comprehensive test on comprehensive actual combat capability of operators is realized, and the system judges a drilling result according to a preset rule and a decision tree.
Responding to the training scene mode, configuring a training simulation scene, and performing practice drilling on accident handling on trainees specifically comprises:
responding to a scene switching signal to switch to a training scene, and configuring internal floating roof oil tank state information and external environment information, wherein the internal floating roof oil tank state information comprises a fire position and combustion leakage, and the external environment information comprises wind direction, wind power, rainy days and sunny days;
the student uses the operating handle to execute accident handling operation according to the accident scene in the VR view field;
and performing accident deduction by using the decision tree model, and judging the practice drilling state.
In some embodiments, the decision tree model comprises:
wherein k represents a natural number between 1 and n, n is a natural number greater than 1, PkAnd H represents the training result entropy obtained according to the decision tree model. As a result, a smaller entropy indicates more success, for example, 0.4 or less indicates success, and 0.4 or more indicates failure.
In some embodiments, the external environment information and the internal floating roof oil tank state information are randomly generated by a computer VR system, and the VR system receives external action information and utilizes a decision tree algorithm to carry out accident deduction along with virtual operation and selection judgment of an operator, and the accident development condition is judged according to a probability model. Through a decision tree algorithm, the system has certain intelligent reasoning and training evaluation functions and is mainly used for training and improving the command capability and tactical quality of a commander for the fire of the internal floating roof oil tank and the operational capability and psychological quality of fire fighters. The system carries out interactive auxiliary training on the contents of macroscopic command, field scheduling, decision analysis capability, emergency handling capability and the like through the functional design of setting of a virtual scene, selection of fire fighting and rescue tools and the like, and provides comprehensive judgment. By adopting the role-dividing training, a commander and a staff officer can train simultaneously so as to improve the command and coordination capability of large-scale fire scene combined battle.
The disclosure also provides an inner floating roof oil tank accident handling teaching and training device, which is used for implementing the inner floating roof oil tank accident handling teaching and training method. FIG. 3 shows a schematic structural diagram of an internal floating roof tank accident handling teaching and training apparatus according to an embodiment of the present disclosure. As shown in fig. 3, the VR internal floating roof tank accident handling teaching and training device includes: the VR wearable device 2 is a head-mounted VR device, for example, the positioning device 1, and the hand motion capture device 3 is an operating handle and an upper computer 4, for example, and is used for implementing the above-mentioned inner floating roof oil tank accident handling teaching and training method.
A VR wearable device 2 configured to be worn on an operator's head for presenting a virtual scene comprising an internal floating roof tank model 5. The VR wearable device 2 includes, for example, a head-mounted display and/or a binocular omnidirectional display, and can realistically display an object in front of the eyes by a 3D rendering technique, thereby implementing a virtual reality function. The specific model of the VR wearable device 2 is not specifically described, and any VR wearable device 2 capable of virtual display can be applied to the present disclosure.
The positioning device 1 is in communication connection, for example, wireless or wired connection, with the VR wearable device 2, and is configured to position the VR wearable device 2 in a space, that is, a position of an operator wearing the VR wearable device 2, and generate a positioning signal. Positioner 1 adopts laser radar, infrared camera or body to feel in the camera one or more, and positioner is the basis that realizes that real space location to virtual reality space mapping, deploys positioner's quantity according to the space size to the realization is to operating personnel, for example training personnel, accurate location. The laser radar, the infrared camera or the somatosensory camera can be of any type and applied to the disclosure, and specific types are not introduced.
In some embodiments, the number of the positioning devices 1 is multiple, and the multiple positioning devices 1 are distributed in the space at intervals, as shown in fig. 1, and the multiple positioning devices 1 are arranged on a side wall surrounding the space, for example.
The hand motion capture device 3 is used to capture hand motions of the operator and generate hand motion signals. The hand action signal corresponds to the specific operation of an operator, and can embody various specific operations of the operator in dealing with the accident of the internal floating roof oil tank. The hand motion capture device 3 comprises a motion capture glove, a motion capture bracelet, or a motion capture handle. The motion capture handles are similar to game handles or joysticks and like capture devices by which the hand motions of the trainee can be captured, e.g., left, right, front, back, determining, etc. Specifically, the hand motion capture device 3 is, for example, a VR handle, which is used for interacting with an object in the virtual real world and has a built-in sensor that can be tracked by a locator; a laser generator and a photosensitive sensor are arranged in the positioner and used for determining the position of the VR handle. The specific type and structure of the hand motion capture device are not limited, and all hand motion capture devices capable of having the above-described functions can meet the needs of the present application. The hand motion capture device generates corresponding hand motion signals according to the hand motions of the trainees and transmits the hand motion signals to the upper computer 4.
The host computer 4 with the wearable equipment 2 of VR, positioner 1 and the communication of hand motion capture equipment 3 are connected, for example wired and/or wireless connection for receive hand motion signal and locating signal, according to hand motion signal and locating signal generate control signal, and will control signal sends to the wearable equipment 2 of VR. The upper computer 4 controls the VR wearable device 2 to present virtual scenes and update in real time.
Fig. 4 is an internal structural view of the upper computer in fig. 3. As shown in fig. 4, the upper computer 4 is, for example, a computer, and the computer includes a computing module, a teaching module, a single training module, a multi-training module, and a rendering module.
The computation module is used to undertake high-precision computation tasks and model rendering tasks that map data from the real world into virtual reality. The calculation module comprises a CPU calculation logic unit, a GPU rendering logic unit, a position tracking unit and a virtual reality projection unit. The computation module performs high-precision computation tasks and model rendering tasks that map data from a real environment into virtual reality.
The teaching module is used for providing basic general knowledge teaching, structure teaching and skill teaching, and comprises an oil tank structure teaching unit and an oil tank operable part teaching unit. The oil tank structure teaching unit covers structure teaching information such as a tank body, a frame, a tank wall, a manhole, a safety valve and the like; the teaching unit for the operable part of the oil tank mainly simulates operation technical and tactical teaching information of relevant parts such as force collection, warning, investigation, protection, dilution, valve closing, cooling, fire extinguishing and the like.
The single training module is used for single training, completes whole accident investigation and tactics in random or designated environment, and mainly comprises technical and tactical training units such as strength maneuvering, wearing equipment, reconnaissance of fire, determining the condition of a foam generator, connecting facilities, foam testing, valve closing, drain opening and closing, fire truck foam fire extinguishing, foam covering fire extinguishing and the like.
The multi-person training module is used for multi-person collaborative training, comprises units such as whole scene establishment, fire scene establishment, task tree establishment and multi-person cooperation, establishes leakage, fire and other types of accident scenes of positions such as a three-dimensional manhole, a breather valve, a pipeline and the like by taking a domestic typical combat case as a background, is suitable for multiple persons to cooperate to complete a disposal task, and carries out real-time reasoning and resolving so as to improve command and collaborative combat capability of large-scale fire field combined combat and greatly improve the fire fighting level.
The rendering module mainly comprises joint actions and displays of oil tank rendering, personnel rendering, equipment rendering and scene rendering, and the graphic image technology, the man-machine interaction technology and the mode recognition technology are comprehensively applied to create a virtual simulation environment with strong immersion sense, so that the training personnel are immersed in the virtual environment of the oil tank accident disposal site in a first person perspective mode, and a vivid, safe, repeatable and low-consumption training means is provided for fire-fighting officers and soldiers.
The method combines a Virtual Reality (VR) technology, various possible disaster situations and dangerous situations of the virtual inner floating roof oil tank can occur, an operator can roam in scenes to know detailed information of the disaster situations at the first person perspective, the operator is immersed in a dangerous chemical accident space environment, various accident scenes can be treated by utilizing information such as position and posture transmitted by a computer sensor, and authenticity and infectivity of the virtual scene are improved. The training method is vivid, safe, repeatable and low in consumption, greatly improves the fire fighting level, and better guarantees personal and property safety, environmental cleanness and health of people in actual accident handling.
FIG. 5 shows a schematic block diagram of an internal floating roof tank accident handling teaching and training device according to an embodiment of the present disclosure. As shown in fig. 5, the present disclosure provides an apparatus for an internal floating roof tank accident handling teaching and training method, comprising:
a scene construction unit 502 configured to construct an inner floating roof tank accident scene model in the VR field, wherein the inner floating roof tank accident scene model includes an inner floating roof tank static model, an action component model, and an action trigger model. Therefore, a real inner floating roof oil tank accident scene can be simulated in a VR (virtual reality) view field, so that subsequent operators are immersed in a hazardous chemical substance accident space environment at a first-person view angle, various accident scenes are presented and handled by a computer, and the authenticity and the infectivity of a virtual site are improved;
the processing unit 504 is configured to respond to a teaching scene mode, configure a teaching simulation scene, and perform accident handling teaching training on students; and responding to the training scene mode, configuring a training simulation scene, and performing real-time practice of accident handling on the trainees.
Optionally, the scene construction unit 502 is configured to model each structure of the inner floating-roof tank to form an inner floating-roof tank static model; constructing an operable action part model for the action part; constructing an action trigger model based on the operation action of the actual accident; and forming the accident scene model of the inner floating roof oil tank by adopting an operation model based on the static model of the inner floating roof oil tank, the action component model and the action trigger model.
As shown in fig. 6, the present embodiment provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the one processor to cause the at least one processor to perform the method steps of the above embodiments.
The disclosed embodiments provide a non-volatile computer storage medium having stored thereon computer-executable instructions that may perform the method steps as described in the embodiments above.
Referring now to FIG. 6, shown is a schematic diagram of an electronic device suitable for use in implementing embodiments of the present disclosure. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. The electronic device shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 6, the electronic device may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 601, which may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)602 or a program loaded from a storage means 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data necessary for the operation of the electronic apparatus are also stored. The processing device 601, the ROM 602, and the RAM 603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
Generally, the following devices may be connected to the I/O interface 605: input devices 606 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 607 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 608 including, for example, tape, hard disk, etc.; and a communication device 609. The communication means 609 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. While fig. 6 illustrates an electronic device having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication means 609, or may be installed from the storage means 608, or may be installed from the ROM 602. The above-described functions defined in the methods of the embodiments of the present disclosure are performed when the computer program is executed by the processing device 601.
It should be noted that the computer readable medium of the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may include a data signal propagating in a baseband or as part of a carrier wave, in which a computer readable program code is carried. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
The computer readable medium may be embodied in the electronic device; or may be separately present without being assembled into the electronic device.
Computer program code for carrying out operations for the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as C #, Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and like parts of the embodiments are referred to each other. The system or the device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above examples are only intended to illustrate the technical solutions of the present disclosure, not to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (10)
1. A VR-based internal floating roof oil tank accident handling teaching and training method is characterized by comprising the following steps:
constructing an accident scene model of the internal floating roof oil tank in a VR (virtual reality) view field;
responding to a teaching scene mode, configuring a teaching simulation scene, and performing accident handling teaching training on students; and
and responding to the training scene mode, configuring a training simulation scene, and performing real-time practice drilling of accident handling on the trainees.
2. The VR-based internal floating roof tank accident handling teaching and training method of claim 1, wherein the constructing an internal floating roof tank accident scenario model in a VR field of view comprises:
modeling each structure of the internal floating roof oil tank to form an internal floating roof oil tank static model;
constructing an operable action part model for the action part;
constructing an action trigger model based on the operation action of the actual accident; and
and forming the accident scene model of the inner floating roof oil tank by adopting an operation model based on the static model of the inner floating roof oil tank, the action component model and the action trigger model.
3. The VR-based internal floating roof tank accident handling teaching and training method of claim 2, wherein the operational model is:
wherein B iskRepresenting input model parameters including personnel parameters, naphtha basic parameters and tank structure parameters, akThe weight coefficients representing the model parameters adopt different weight coefficients aiming at different input model parameters; and R represents an operation result.
4. The VR-based internal floating roof tank accident management teaching and training method of any one of claims 1-3, wherein in response to the teaching scenario mode, a teaching simulation scenario is configured, and performing the teaching training of accident management on trainees comprises:
switching to the teaching scene in response to the scene switching signal, configuring the teaching simulation scene, and carrying out inner floating roof oil tank structure teaching training and operation step teaching training on the student in the VR view field by adopting the head-mounted VR equipment and the operation handle.
5. The VR-based internal floating roof tank accident handling teaching and training method of claim 4, wherein performing internal floating roof tank structure teaching training on a trainee in a VR field of view with a head mounted VR device includes performing tank, frame, tank wall, manhole, and/or safety valve teaching training on the trainee in a VR field of view with a head mounted VR device.
6. The VR-based internal floating roof tank accident handling teaching and training method of claim 4, wherein employing a head-mounted VR device and operating handle to teach and train students steps of operation in the VR field of view comprises at least one of:
adjusting and collecting foam fire fighting trucks in a VR field of view, and collecting the foam fire fighting trucks at an upwind port position which is a first distance away from an inner floating roof oil tank;
wearing an insulating suit assembly and an air respirator assembly in the VR field of view;
the fire condition of the internal floating roof oil tank and the condition of the internal floating roof oil tank body are detected in a VR visual field;
closing a tank heating pipeline valve in a VR field of view;
checking the number of foam generators and the flow rate in a VR visual field;
connecting a water hose and a fixed fire-fighting facility in a VR view field;
connecting a water hose water separator with a foam gun in a VR field of view to perform foam discharge test;
closing a fixed fire-fighting equipment inlet valve in the VR field of view;
opening a drain outlet of the main pipeline in the VR field of view;
and adjusting the foam flow of the foam fire truck in the VR visual field, and discharging foam to extinguish fire.
7. The VR-based internal floating roof tank accident handling teaching and training method of any one of claims 1-3, wherein in response to a training scenario mode, a training simulation scenario is configured, and the practice drilling of accident handling for trainees comprises:
responding to a scene switching signal to switch to a training scene, and configuring internal floating roof oil tank state information and external environment information, wherein the internal floating roof oil tank state information comprises a fire position and combustion leakage, and the external environment information comprises a wind direction, wind power, rainy days and sunny days;
the student uses the operating handle to execute accident handling operation according to the accident scene in the VR view field;
and performing accident deduction by using the decision tree model, and judging the practice drilling state.
8. The VR-based internal floating roof tank accident handling teaching and training method of claim 7, wherein the decision tree model comprises:
wherein k represents a natural number between 1 and n, n is a natural number greater than 1, PkAnd H represents the training result entropy obtained according to the decision tree model.
9. The utility model provides an interior floating roof oil tank accident processing teaching and trainer based on VR which characterized in that includes:
a scene construction unit configured to construct an internal floating roof tank accident scene model in the VR field of view, an
The processing unit is configured to respond to a teaching scene mode, configure a teaching simulation scene and carry out accident handling teaching training on students; and responding to the training scene mode, configuring a training simulation scene, and performing real-time practice of accident handling on the trainees.
10. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to carry out the method of any one of claims 1 to 8.
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