CN112233491A - Railway electric service construction simulation system based on virtual reality technology - Google Patents
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Abstract
The invention belongs to the technical field of railway electric service construction, and discloses a railway electric service construction simulation system based on a virtual reality technology, which comprises a plan storage module, a three-dimensional scene generation module, a display module, a teaching module, an exercise module and an examination module; the plan storage module is used for storing plans, and each plan corresponds to a railway electric service construction process; the three-dimensional scene generation module is used for converting the plan stored in the plan storage module into a three-dimensional scene; the teaching module is used for calling the plan stored in the plan storage module, generating a three-dimensional scene through the three-dimensional scene generation module, and sending the three-dimensional scene to the display module for displaying; the exercise module comprises a plan selection module and an auxiliary exercise module; the assessment module comprises a login module, a plan issuing module, a score counting module and a score uploading module. The invention can greatly improve the construction training effect by carrying out 3D analog simulation on each construction process of the high-speed railway signal system.
Description
Technical Field
The invention belongs to the technical field of railway electric service construction, and particularly relates to a railway electric service construction simulation system based on a virtual reality technology.
Background
The application of modern scientific technology in the field of professional simulation and assessment has particularly great significance and effect. The development of the novel simulation construction simulation technology is greatly promoted by the technologies such as multimedia, simulation, intelligent guidance, computer interactive simulation, network simulation, virtual reality simulation and the like developed along with the technological progress. The simulation system has diversified resources and remote simulation channels, and is the direction of the current simulation construction preview simulation development. The novel simulation construction process flow auxiliary design software develops from a single paper material mainly based on language and characters to a diversified direction. Multimedia, simulation and intelligent guidance are the main directions of current development, so that simulation construction simulation is more convenient to understand and master, the content of simulation is more targeted, simpler, more direct and easier to understand, and the simulation efficiency is greatly improved. With the development of multimedia technology, sensor technology, and in particular computer-based visualization technology, it has become possible to simulate the sensory stimuli of the external environment to a person using a computer. The fact proves that the reaction and comprehension capability of people to the sensory information such as images, sounds, movements, touch feeling and the like is far greater than the reaction and comprehension capability to the abstract information such as numbers, characters and the like. Therefore, the digital technology is introduced into each stage of the construction simulation, the simulation efficiency is greatly improved, the simulation effect is improved, the potential safety hazard is avoided, and the virtual reality technology is a product of continuous development of the three-dimensional visual digital technology.
Virtual Reality (VR) is a high and new technology that has appeared in recent years, and is also called smart technology or artificial environment. The virtual reality is a virtual world which utilizes a computer to simulate and generate a three-dimensional space, provides the simulation of senses of vision, hearing, touch and the like for a user, and enables the user to observe things in the three-dimensional space in time without limitation as if the user is in his own environment.
With the development of integration technology, computer graphics, man-machine interaction technology, sensing technology, artificial intelligence and other fields, modern virtual technology uses computers to generate realistic three-dimensional visual, auditory, olfactory and other senses, so that people as participants can experience and interact with the virtual world naturally through appropriate devices. When the user moves, the computer can immediately perform complex operation, and return the accurate 3D world image to generate the presence. The technology integrates the latest development of technologies such as Computer Graphics (CG) technology, computer simulation technology, artificial intelligence, sensing technology, display technology, network parallel processing and the like, and is a high-technology simulation system generated by the aid of the computer technology. In summary, virtual reality is a brand new way for people to perform visualization operation and interaction on complex data through a computer, and compared with the traditional human-computer interface and popular window operation, the virtual reality has a qualitative leap in technical idea.
The three-dimensional game is one of important application directions of the virtual reality technology, and plays a great demand traction role in the rapid development of the virtual reality technology. Despite the numerous technical challenges, virtual reality technology has gained increasing attention and use in the competitive gaming market. So to speak, since the generation of computer games, computer games have been developed in the direction of virtual reality, and the final goal of the development of virtual reality technology has become the advocation pursuit of three-dimensional game players. From the initial text MUD games, to two-dimensional games, three-dimensional games, to networked three-dimensional games, the game is increasing and enhancing in steps with fidelity and immersion while maintaining its real-time and interactivity.
In the existing railway electric professional construction process, the problems of long personnel culture period, non-visual construction drawing and difficulty in estimating construction difficulty exist. If the virtual reality technology can be applied to the aspects of engineering construction simulation and rehearsal, the efficiency of engineering construction and teaching can be greatly improved.
Disclosure of Invention
The invention provides a railway electric service construction simulation system based on a virtual reality technology, which aims to solve the technical problems that the existing subway electric service professional construction has long personnel culture period, the construction drawing is not visual, and the construction difficulty is difficult to predict.
In order to solve the technical problems, the invention adopts the technical scheme that: a railway electric service construction simulation system based on a virtual reality technology is realized based on three-dimensional simulation and a three-dimensional animation engine and comprises a plan storage module, a three-dimensional scene generation module, a display module, a teaching module, an exercise module and an examination module;
the plan storage module is used for storing plans, and each plan corresponds to a railway electric service construction process; the three-dimensional scene generation module is used for converting the plan stored in the plan storage module into a three-dimensional scene;
the teaching module is used for calling the plan stored in the plan storage module, generating a three-dimensional scene through the three-dimensional scene generation module, and sending the three-dimensional scene to the display module for displaying;
the exercise module comprises a plan selection module and an auxiliary exercise module, wherein the plan selection module is used for calling a corresponding plan from a plan storage module according to user input, generating a three-dimensional exercise scene through a three-dimensional scene generation module, and then sending the three-dimensional exercise scene to a display module for displaying; the auxiliary exercise module is used for judging whether the operation input by the user is consistent with the preset steps in the plan or not, if so, the next step is carried out, if not, an error prompt is displayed, and the user is prompted and guided to input correct operation again until all the operations are correct and then the operation is finished;
the assessment module comprises a login module, a plan issuing module, a score counting module and a score uploading module, wherein the login module is used for inputting information by a user to log in, and the plan issuing module is used for selecting and calling an assessment plan, generating a three-dimensional assessment scene through a three-dimensional scene generating module and then issuing the three-dimensional assessment scene to a login user; the score counting module is used for recording the operation input by the login user, judging whether each operation is consistent with the preset steps in the assessment plan or not, and scoring according to the judgment result, and the score uploading module is used for uploading the scoring result to the server.
The railway electric service construction simulation system based on the virtual reality technology is built by adopting a B/S mode architecture.
A railway electricity affairs construction simulation system based on virtual reality technique, still include teacher's end system and student's end system, teacher's end system sets up on the teacher machine, student's end system sets up on the student machine, teacher's end system is used for setting up and issues the plan, and student's end system is used for the student user to accomplish independent roaming, operation rehearsal separately to and the internal role in group that teacher's end system issued plays interactive rehearsal task.
The three-dimensional scene generation module adds a 3D model to the software architecture through Unity3D to build a virtual environment, and adds rules and logic through the Net/C # language.
The railway electric service construction simulation system based on the virtual reality technology further comprises a mode selection module, and the mode selection module is used for selecting to enter a teaching module, an exercise module or an assessment module.
The three-dimensional exercise scene is provided with a joint control button, a prompt button, a tool button and a scene button;
the joint control button is used for displaying operation cases according to steps; the prompt button is used for prompting the installation position of equipment, the tool button is used for selecting an operation tool, and the scene button is used for returning to a three-dimensional exercise scene.
And a task button is further arranged in the three-dimensional exercise scene, and the task button is used for a user to select a task.
The three-dimensional assessment scene is provided with a timing unit, and the timing unit is used for displaying the remaining operation time of the login user.
The railway electric service construction simulation system based on the virtual reality technology adopts a graphic user interface mode of a Chinese interface, and has the functions of a multilevel menu, a multilevel window, graphic movement and window scaling; each page of screen is divided into the following according to functions: title area, menu area, picture area, and dialog information display area.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a railway electric affair construction simulation system based on a virtual reality technology, which thoroughly changes the prior method for inspecting equipment of newly-advanced employees and retrained employees by the electric affair section job teaching department in China, simulates a rail transit electric affair production site to the maximum extent through a 3D animation by using a vivid form and a perfect equipment defect model library, and has flexible inspection mode and defect setting, strong concealment, novel thought, strong attraction to students, arouses the learning interest and enthusiasm of the students to the maximum extent and greatly enhances the simulation training effect. The learning enthusiasm and the initiative of the student are mobilized by stimulating the visual and auditory nerves of the student, and the simulation effect is obviously improved; the hardware investment of the simulation system is greatly reduced, and the change of a real construction site can be conveniently reflected; by simulating the actual working environment and working flow, the operator is familiar with the environment and performs various operations, which is helpful to solve the problems of invisible, untouchable, inaccessible and dangerous places simulation, and the like, solves the problems of insufficient simulation equipment, backward model, difficult updating and difficulty in keeping up with the development of the era, and improves the technical level of simulation preview simulation.
Drawings
Fig. 1 is a schematic structural diagram of a railway electric service construction simulation system based on a virtual reality technology according to an embodiment of the present invention;
FIG. 2 is a schematic interface diagram of a teaching module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another interface of a teaching module according to an embodiment of the present invention;
FIG. 4 is a schematic interface diagram of a mode selection module in an embodiment of the invention;
FIG. 5 is a schematic diagram illustrating the operation of the exercise module according to an embodiment of the present invention;
FIG. 6 is a schematic interface diagram of an exercise module in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of an operation flow of the assessment module in the embodiment of the present invention;
FIG. 8 is a schematic view of a login interface of the assessment module in the embodiment of the present invention;
FIG. 9 is a schematic interface diagram of a pre-arranged issue module according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of an assessment module in an embodiment of the invention;
fig. 11 is a software architecture diagram of a railway electric service construction simulation system based on a virtual reality technology according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.
As shown in fig. 1, an embodiment of the present invention provides a railway electric service construction simulation system based on a virtual reality technology, which is implemented based on three-dimensional simulation and a three-dimensional animation engine, and includes a plan storage module, a three-dimensional scene generation module, a display module, a teaching module, an exercise module, and an assessment module; the plan storage module is used for storing plans, and each plan corresponds to a railway electric service construction process; the three-dimensional scene generation module is used for converting the plan stored in the plan storage module into a three-dimensional scene.
The teaching module is used for calling the plan stored in the plan storage module, generating a three-dimensional scene through the three-dimensional scene generation module, and sending the three-dimensional scene to the display module for displaying; the exercise module comprises a plan selection module and an auxiliary exercise module, wherein the plan selection module is used for calling a corresponding plan from a plan storage module according to user input, generating a three-dimensional exercise scene through a three-dimensional scene generation module, and then sending the three-dimensional exercise scene to a display module for displaying; the auxiliary exercise module is used for judging whether the operation input by the user is consistent with the preset steps in the plan or not, if so, the next step is carried out, if not, an error prompt is displayed, and the user is prompted and guided to input correct operation again until all the operations are correct and then the operation is finished; the assessment module comprises a login module, a plan issuing module, a score counting module and a score uploading module, wherein the login module is used for inputting information by a user to log in, and the plan issuing module is used for selecting and calling an assessment plan, generating a three-dimensional assessment scene through a three-dimensional scene generating module and then issuing the three-dimensional assessment scene to a login user; the score counting module is used for recording the operation input by the login user, judging whether each operation is consistent with the preset operation in the assessment plan or not, and scoring according to the judgment result, and the score uploading module is used for uploading the scoring result to the server.
According to the railway electric affair construction simulation system based on the virtual reality technology, a human-computer interface of the system meets the requirement of human engineering, and the middle part should not be interrupted when the information display state on the interface changes. Interface information related to monitoring or linkage should be consistent with the actual state of the controlled equipment or the linked equipment. The system should have a concise, intuitive, convenient and clear man-machine conversation mode, and the man-machine conversation modes of all terminals should be consistent. The graphic user interface mode of the Chinese interface is adopted, and the functions of multilevel menus, multilevel windows, graphic movement and window zooming are achieved. Each page of screen is divided into the following functions: title area, menu area, picture area, and dialog information display area. The modeling material comes from a real site of a newly-built line, the 3D model is real and complete, and an excellent immersive experience simulation drilling environment can be provided; the drilling cases come from real construction units and operation units, and provide drilling contents closest to professional posts on site at present;
specifically, in the embodiment, the simulation system is built by adopting a B/S mode architecture. The B/S mode unifies the client and centralizes the core part of the system function realization to the server, thereby simplifying the development, maintenance and use of the system. The client only needs to install a Browser (Browser), such as Internet Explorer, and the Server only needs to install databases such as SQL Server, Oracle, MYSQL, etc. And the browser performs data interaction with the database through the Web Server. The construction mode has low investment cost and wide coverage range; the software is easy to upgrade and maintain, and is the development trend of the software simulation system in the future.
Specifically, the railway electricity affairs construction simulation system based on virtual reality technique that this embodiment provided still includes teacher's end system and student's end system, teacher's end system sets up on the teacher machine, and student's end system sets up on the student machine, teacher's end system is used for setting up and issues the plan, and student's end system is used for the student user to accomplish independent roaming, operation rehearsal separately to and the interactive rehearsal task of the interior role play of group that teacher's end system issued. That is, in the embodiment of the present invention, the teacher's machine is used as the control center, and various plans can be set and issued by the teacher's machine, and the trainee's machine can complete respective independent roaming and operation drills through local control software, or the teacher's machine can be designated to implement role-playing interactive drills in a group, so that the present invention really implements the interaction between the teacher and the trainee, and between the trainee and the trainee in a network environment.
In addition, the railway electric affair construction simulation system based on the virtual reality technology provided by the invention is provided with an electronic automatic assessment system, can realize the automatic assessment and automatic scoring of actual operation, theoretical objective questions and subjective questions, and uploads the assessment results to a teacher machine for statistics and printout; the question bank can be designed as an open question bank, and the teacher can automatically compile the test questions.
The simulation system of the invention adopts advanced information technology and high-performance computer hardware equipment, greatly improves the reliability, the availability and the maintainability of the whole system, basically avoids daily maintenance work and can realize the maintenance-free use for 7 multiplied by 24 hours. The use and consumption of a large amount of metal, wood and electric power energy are reduced, and the low-carbon and environment-friendly energy-saving system is in line with the current low-carbon and environment-friendly social trend.
Specifically, in the embodiment, the three-dimensional scene generation module adds a 3D model to the software architecture through Unity3D to build a virtual environment, and adds rules and logic through a.net/C # language.
As shown in fig. 2 to 3, in this embodiment, the teaching module is mainly used to view videos of actual operations, and by clicking each block in fig. 2, different menus can be entered to sort different videos for viewing and learning, as shown in fig. 3.
Specifically, the railway electric service construction simulation system based on the virtual reality technology provided by this embodiment further includes a mode selection module, an interface schematic diagram of which is shown in fig. 4, and the mode selection module is used for selecting to enter a teaching module, an exercise module or an assessment module.
Specifically, as shown in fig. 5, in this embodiment, the workflow of the exercise module includes the following steps:
s101, starting a plan, and initializing plan configuration;
s102, selecting a corresponding plan to execute according to the name of the plan selected by the user, generating a three-dimensional practice scene through a three-dimensional scene generating module, and then sending the three-dimensional practice scene to a display module to display;
s103, judging whether the operation input by the user is consistent with the preset operation in the plan, if so, entering the next operation step, otherwise, displaying an error prompt, prompting and guiding the user to input correct operation again, entering the next operation after the user operates correctly, and repeating the judgment;
and S104, finishing the plan exercise process after all the operations of the user are finished.
Specifically, as shown in fig. 6, an associated control button, a prompt button, a tool button, a scene button and a task button are arranged in the three-dimensional exercise scene, and the associated control button is used for displaying an operation case according to steps; the prompt button is used for prompting the button to prompt the installation position of equipment, the tool button is used for opening a tool list, a user can conveniently select an operation tool, the scene button is used for returning to a three-dimensional exercise scene, and the task button is used for the user to select a task.
Specifically, as shown in fig. 7, in this embodiment, the workflow of the assessment module includes the following steps:
s201, starting a plan, and initializing plan configuration;
s202, selecting a corresponding plan to execute according to the selected plan name of the teacher end user and issuing the plan to the student end, wherein after the student end user successfully logs in, the student end system generates a three-dimensional exercise scene through a three-dimensional scene generation module and then sends the three-dimensional exercise scene to a display module to display;
s203, the score counting module of the student end system judges whether the operation input by the user is consistent with the preset operation in the plan, if so, the score is given, the next operation is carried out, if not, the score is not given, the next operation is carried out, and after the next operation is carried out, the judgment is repeated;
and S204, after all the operations of the login user of the student end system are completed, the score counting module counts the scores, the scores are uploaded to the server through the score uploading module, and the examination process is finished.
Further, in this embodiment, as shown in fig. 8, in the three-dimensional assessment scene, a timing unit is arranged, and the timing unit is configured to display remaining operation time of the login user. If the logged-on user does not use or click an arrow within the specified countdown range, the score for this step is deducted.
Further, as shown in fig. 11, a software architecture of the railway electric service construction simulation system based on the virtual reality technology provided by the invention includes a UI module and a logic module, wherein the UI module includes an interactive interface and a three-dimensional scene, the logic module includes an output storage module, an operation control module and a step execution module, and the step execution module is used for executing the execution steps of scene switching, pop-up box, animation playing, object operation and the like.
In conclusion, the invention provides a railway electric affair construction simulation system based on a virtual reality technology, which is based on high-speed railway signal system construction, computer software and the virtual reality technology, thoroughly changes the prior method for inspecting equipment of newly-advanced employees and retraining employees by the electric affair department of the domestic electric affair department, simulates the production site of the railway electric affair to the maximum extent through a 3D animation by using a vivid form and a perfect equipment defect model library, has flexible inspection mode and defect setting, strong concealment and novel thought, has strong attraction on trainees, mobilizes the learning interest and enthusiasm of the trainees to the maximum extent, and greatly enhances the simulation training effect. The invention is based on the track traffic construction process method drilling under the virtual live-action environment; the system is divided into a plurality of typical construction site environments indoors and outdoors and comprises various tools, processes, methods, process actual operations and expert guide descriptions required by the installation and construction of different electric appliances. The subway electric affair professional construction virtual real scene simulation drilling teaching system has the advantages of advanced technology, strong practicability, economy, environmental protection and flexible teaching arrangement, fills the blank of the virtual real scene simulation drilling teaching system for subway electric affair professional construction in China, and has good popularization prospect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A railway electric service construction simulation system based on a virtual reality technology is characterized by being realized based on a three-dimensional simulation and a three-dimensional animation engine and comprising a plan storage module, a three-dimensional scene generation module, a display module, a teaching module, an exercise module and an examination module;
the plan storage module is used for storing plans, and each plan corresponds to a railway electric service construction process; the three-dimensional scene generation module is used for converting the plan stored in the plan storage module into a three-dimensional scene;
the teaching module is used for calling the plan stored in the plan storage module, generating a three-dimensional scene through the three-dimensional scene generation module, and sending the three-dimensional scene to the display module for displaying;
the exercise module comprises a plan selection module and an auxiliary exercise module, wherein the plan selection module is used for calling a corresponding plan from a plan storage module according to user input, generating a three-dimensional exercise scene through a three-dimensional scene generation module, and then sending the three-dimensional exercise scene to a display module for displaying; the auxiliary exercise module is used for judging whether the operation input by the user is consistent with the preset steps in the plan or not, if so, the next step is carried out, if not, an error prompt is displayed, and the user is prompted and guided to input correct operation again until all the operations are correct and then the operation is finished;
the assessment module comprises a login module, a plan issuing module, a score counting module and a score uploading module, wherein the login module is used for inputting information by a user to log in, and the plan issuing module is used for selecting and calling an assessment plan, generating a three-dimensional assessment scene through a three-dimensional scene generating module and then issuing the three-dimensional assessment scene to a login user; the score counting module is used for recording the operation input by the login user, judging whether each operation is consistent with the preset steps in the assessment plan or not, and scoring according to the judgment result, and the score uploading module is used for uploading the scoring result to the server.
2. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, wherein the system is built by adopting a B/S mode architecture.
3. The railway electricity construction simulation system based on the virtual reality technology as claimed in claim 1, further comprising a teacher end system and a student end system, wherein the teacher end system is arranged on a teacher machine, the student end system is arranged on a student machine, the teacher end system is used for setting and issuing a plan, and the student end system is used for a student user to complete independent roaming and operation drilling and for a team role playing interactive drilling task issued by the teacher end system.
4. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, wherein the three-dimensional scene generation module adds a 3D model to the software architecture through Unity3D to build a virtual environment, and adds rules and logic through a.Net/C # language.
5. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, further comprising a mode selection module, wherein the mode selection module is used for selecting to enter a teaching module, an exercise module or an assessment module.
6. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, wherein a joint control button, a prompt button, a tool button and a scene button are arranged in the three-dimensional practice scene;
the joint control button is used for displaying operation cases according to steps; the prompt button is used for prompting the installation position of equipment, the tool button is used for selecting an operation tool, and the scene button is used for returning to a three-dimensional exercise scene.
7. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, wherein a task button is further arranged in the three-dimensional practice scene, and the task button is used for a user to select a task.
8. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, wherein a timing unit is arranged in the three-dimensional assessment scene and is used for displaying the remaining operation time of a login user.
9. The railway electric service construction simulation system based on the virtual reality technology as claimed in claim 1, wherein a graphic user interface mode of a Chinese interface is adopted, and the system has the functions of multi-level menus, multi-level windows, graphic movement and window scaling; each page of screen is divided into the following according to functions: title area, menu area, picture area, and dialog information display area.
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| CN114419948A (en) * | 2022-03-30 | 2022-04-29 | 湖南高铁时代数字化科技有限公司 | Data processing method and system of rail transit power supply virtual reality teaching system |
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