CN112365759A - High-voltage power equipment test training system based on virtual reality - Google Patents
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Abstract
According to the virtual reality-based high-voltage power equipment test training system, training and checking of the service skills of high-voltage testers of a power system are completed in the virtual world, the problems of long organization time, boring content, poor image and the like in theory strengthening training are solved, and the training effect is not very obvious; the training operation environment for demonstrating field operation is complex and is easily limited by factors such as weather, fields, equipment and the like, the practical manual operation opportunities of students are few, the operation method for learning of the students is limited, the large-scale training work is not facilitated to be carried out, and the like.
Description
Technical Field
The invention relates to the field of power technology training, in particular to a virtual reality-based high-voltage power equipment test training system.
Background
The growth of talent with high-voltage equipment testing skills has been dependent on a mode of bare training by teachers and requires long-term practice accumulation. Therefore, it takes at least 15 years or even 20 years to develop a highly skilled technician, and during this period the enterprise has to provide a great deal of on-site practice opportunities. Due to the unbalanced development of each unit, high-skill talents for high-voltage equipment test reserved by each power supply enterprise are rare at present, and the skill training of the high-voltage equipment test is limited by the working environment, the number of masters and the accumulation of practice, so the existing skill training mode and method for the high-voltage equipment test cannot meet the requirement of enterprise development.
At present, high-voltage test simulation training work is carried out successively by power companies at all levels, such as the invention of a patent high-voltage electrical test simulation training system (application number: 201700223162.1); the invention relates to a three-dimensional simulation training system (application number: 201811360984.9) for extra-high voltage main equipment; the training is carried out by adopting a three-dimensional animation expression form, the intuition and the appreciation of a Virtual Reality (VR) technology are lacked, the management and the analysis of data of students such as online learning, simulation operation, examination and the like are lacked, a comprehensive evaluation means for the technical literacy of the students in various aspects of the theory and practice of an electrical test is not available, and the targeted training of the students in different levels cannot be realized.
The invention takes a big data analysis platform as a means, can provide a large amount of training data aid decision information, improves the study and judgment capacity of training personnel on the equipment state, improves the test efficiency and the prevention and control capacity on the equipment state, has the advantages of capability of implementing remote training, simple maintenance, easy upgrading and the like, can greatly save the training cost, realizes a flexible, vivid and rapid training mode, and has important significance for improving the construction level and the maintenance level capacity of a power grid
Disclosure of Invention
In view of this, the present invention provides a high voltage power equipment test training system based on virtual reality. The problems that the operation environment of the existing high-voltage technology training is complex and is easily limited by a plurality of factors, practical manual operation opportunities of students are few, the operation method is limited, large-scale training work is not facilitated to be carried out and the like are solved.
The purpose of the invention is realized by the following technical scheme:
the high-voltage power equipment test training system based on virtual reality comprises virtual reality equipment, a PC (personal computer) control host, a big data analysis platform and a server;
the server stores all training data and a model library for simulation calling, is connected with a PC (personal computer) end through a network switch, and is in communication connection with the big data analysis platform;
a user wears the virtual reality equipment and loads the virtual reality equipment into a corresponding module, and the user finishes corresponding simulation operation by selecting to enter different modes; after the use is finished, the related data of the user are transmitted to the big data analysis platform, the simulation operation condition of the user can be intelligently analyzed, and an analysis result is given.
Particularly, the virtual reality device comprises a helmet display, a left-hand controller and a right-hand controller, wherein the helmet display is connected with a PC (personal computer) end through a USB (universal serial bus) interface and/or a DP (data processing) interface; the left-hand controller and the right-hand controller are paired through software to be in communication connection with the helmet display.
Particularly, after a user wears the virtual reality equipment, corresponding modules of a student end are automatically loaded, wherein the corresponding modules comprise an online learning module, a simulation actual operation module, a theoretical assessment module and a personal center module.
In particular, the online learning module comprises various technical data related to high-voltage power equipment; the student enters the training system at the PC end by inputting a school number and a self-set password, and then learns related technical data in various forms through the online learning module; the simulation real operation module comprises a real operation simulation training sub-module and a real operation simulation examination sub-module, and after the corresponding mode is selected, a user enters a test scene matched with the test item by selecting a specific test item through a helmet display; the left controller and the right controller are operated to operate equipment and instruments, and the equipment and instruments can be selected to enter a simulation exercise module or simulation test simulation to perform actual operation; the theoretical assessment module comprises a theoretical simulation training sub-module and a theoretical simulation examination sub-module; after logging in the system, the user enters the theoretical examination module by selection to complete relevant simulated training and simulated examination.
In particular, the high voltage power plant model library comprises: the device comprises a transformer, a high-voltage circuit breaker, a voltage transformer, a current transformer, a zinc oxide arrester and an insulator; the high-voltage test instrument model library comprises: the testing device comprises an insulation resistance tester, a high-voltage switch dynamic characteristic tester, a high-voltage testing transformer, a transformer transformation ratio tester, a transformer direct-current resistance tester, a transformer no-load and load characteristic tester, a loop resistance tester and a dielectric loss tester.
In particular, the personal center module can inquire information including trainee information, simulated training information and examination scores.
Particularly, the model library comprises a test scene library, a high-voltage power equipment model library, a test instrument model library and a test line model library; the simulation libraries are modeled after three-dimensional laser scanning is carried out on a test scene, high-voltage power equipment and a test instrument by adopting a laser scanner, so that a student virtually shows a real test environment in a helmet display, and can obtain the required test scene, the required test instrument and the required high-voltage power equipment by operation of a controller, so that the test instrument and the high-voltage power equipment can be connected in the virtual environment and operated.
8. A virtual reality based high voltage power equipment test training system according to claim 1 or 2 or 3, characterized in that in particular: the big data analysis platform comprises a database, a management service module and a data processing and analyzing module; the database comprises the online practice of the trainee, the simulation operation practice, the data and the score of the simulation examination and the data and the score of the formal examination; the management service module is used for managing personal information of students and managing examination data and scores in a classified manner; the data processing and analyzing module is used for counting and analyzing various data and scores generated by the trainees in the simulation by adopting a circular law method in a spectrum analysis theory of a high-dimensional random matrix, intelligently analyzing the training and mastering conditions of the trainees and giving an analysis result.
Particularly, a teacher end is arranged in the PC host, and a corresponding control module is arranged in the PC host, wherein the control module comprises a courseware management library, a test question library, a test paper library and a student management library; the courseware management library is used for uploading, editing and managing learning materials and the simulation model library.
The invention has the beneficial effects that:
1. the simulation training of the high-voltage equipment test is realized by combining the virtual interaction and the 3D visual technology, and the constructed virtual interaction training system can solve the problem that the high-voltage equipment test operation training is difficult to develop due to the problems of site, safety and cost.
2. The intelligent training auxiliary function of the virtual interactive operation response control model is strengthened, so that the system can intelligently judge the operation behavior of a user, can properly explain and guide, and solves the problem that the traditional training means is difficult to achieve the standardization and normalization of the training process.
3. The method takes theoretical knowledge answering of the students and simulated actual operation examination of the three-dimensional simulation electrical test system as evaluation basis, and comprehensively evaluates the skill literacy of the students in various aspects of the electrical test theory and practice. All examination links such as question extraction, examination, rolling, examination paper judging, score processing and the like are automatically completed by a computer, manual intervention is reduced, and paperless and automatic examination is realized.
4. By adopting a big data statistical method, large-scale mass data such as statistical analysis, correlation analysis, instrument operation learning and the like are intelligently processed and analyzed, so that the analysis of mastering knowledge points of students is realized, and powerful data support is provided for high-voltage electrical test training.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the present invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a system architecture diagram of the present invention;
FIG. 2 is a schematic diagram of the components of modules corresponding to the student end according to the present invention;
FIG. 3 is a schematic diagram of the module composition of the simulation library;
fig. 4 and 5 are a point cloud image after the test scene is scanned and a scene effect image after the test scene is restored, respectively;
fig. 6 and 7 are a cloud point diagram after scanning of the high-voltage power equipment (transformer) and a scene effect diagram after restoration respectively;
FIG. 8 is a schematic diagram of the architecture of a big data analysis platform;
FIG. 9 is a view on the complex plane
Schematic diagram of the distribution of characteristic roots within a circle.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
As shown in fig. 1, the invention provides a Virtual Reality (VR) -based high-voltage power equipment test training system, which comprises virtual reality equipment, a PC control host, a big data analysis platform and a server; teacher end control software and student end control software are arranged in the PC control host and the virtual reality equipment.
The server stores all training data and model libraries for simulation calling, is connected with the PC end through the network switch, and can ensure that a plurality of students can carry out online training at the same time. The big data analysis platform is in communication connection with the server; a user wears the virtual reality equipment and loads the virtual reality equipment into a corresponding module, and the user finishes corresponding simulation operation by selecting to enter different modes; after the use is finished, the related data of the user are transmitted to the big data analysis platform, the simulation operation condition of the user can be intelligently analyzed, and an analysis result is given.
The virtual reality equipment comprises a helmet display, a left hand controller and a right hand controller, wherein the helmet display is connected with the PC end through a USB interface and/or a DP interface; the left-hand controller and the right-hand controller are paired through software to be in communication connection with the helmet display.
As shown in fig. 2, after wearing the virtual reality device, the user automatically loads corresponding modules of the student side, including an online learning module, a simulation real operation module, a theoretical assessment module, and a personal center module.
The on-line learning module comprises various technical data related to the high-voltage power equipment (specifically comprising a high-voltage power equipment test operation instruction book, test rules and standards of the high-voltage power equipment related to the power system, a high-voltage power equipment test principle and method and the like); after entering a training system by inputting a school number and a password set by a student on a PC host, the student learns related technical data in various forms (including video, document, PPT and the like) through an online learning module; the simulation real operation module comprises a real operation simulation training sub-module and a real operation simulation examination sub-module, and after a corresponding mode is selected, a user enters a test scene matched with the simulation real operation module by means of a helmet display through selecting specific test items (in the embodiment, simulation real operations are classified according to equipment and comprise six types of a transformer, a circuit breaker, a voltage transformer, a current transformer, a lightning arrester and an insulator); the left controller and the right controller are operated to operate equipment and instruments, and the equipment and instruments can be selected to enter a simulation exercise module or simulation test simulation to perform actual operation; the theoretical assessment module comprises a theoretical simulation training sub-module and a theoretical simulation examination sub-module; after logging in the system, the user enters the theoretical examination module by selection to complete relevant simulated training and simulated examination.
The personal center module can inquire information including student information, simulated training information and examination scores. The student information is input by a teacher in a background management system when the student enters the school, and comprises basic information such as a school number, a name, a gender, a class, a unit name, an age, a job title, a professional to be learned and the like; the simulation training information comprises information such as learning content, simulation training content, learning and simulation training duration and the like; the examination results comprise all examination results about the test content of the high-voltage power equipment after the students enter the students;
as shown in fig. 3, the model library includes a test scene library, a high voltage power equipment model library, a test instrument model library, and a test line model library; the simulation libraries are modeled after three-dimensional laser scanning is carried out on a test scene, high-voltage power equipment and a test instrument by adopting a laser scanner, so that a student virtually shows a real test environment in a helmet display, and can obtain the required test scene, the required test instrument and the required high-voltage power equipment by operation of a controller, so that the test instrument and the high-voltage power equipment can be connected in the virtual environment and operated. The high-voltage power equipment model library comprises: the device comprises a transformer, a high-voltage circuit breaker, a voltage transformer, a current transformer, a zinc oxide arrester and an insulator; the high-voltage test instrument model library comprises: the testing device comprises an insulation resistance tester, a high-voltage switch dynamic characteristic tester, a high-voltage testing transformer, a transformer transformation ratio tester, a transformer direct-current resistance tester, a transformer no-load and load characteristic tester, a loop resistance tester and a dielectric loss tester. Fig. 4 and 5 are a point cloud image after the test scene is scanned and a scene effect image after the test scene is restored, respectively; fig. 6 and 7 are a cloud point diagram after scanning of the high-voltage power equipment (transformer) and a scene effect diagram after restoration, respectively.
As shown in fig. 8, the big data analysis platform includes a database, a management service module, and a data processing and analyzing module; the database comprises the online practice of the trainee, the simulation operation practice, the data and the score of the simulation examination and the data and the score of the formal examination; the management service module is used for managing personal information of students and managing examination data and scores in a classified manner; the data processing and analyzing module is used for counting and analyzing the data and the scores of the online practice, the simulation operation practice and the simulation test of the trainees, the data and the scores of the formal test and the like by adopting a circular law method in a spectrum analysis theory of a high-dimensional random matrix, intelligently analyzing the training and mastering conditions of the trainees and giving an analysis result. The circle law (RingLaw) is one of the statistically significant research results, and it mainly analyzes the relevance of the Hermitian matrix.
Definition of the circle law: when N → ∞, N → ∞, the row-column ratio remains unchanged, and c ═ N/N ≦ 1, the standard matrix product matrix
Is determined by a probability density function, then
Is converged probabilistically to function FX(x)， FX(x) Has a density function of
In the complex plane, if the system under study tends to be stable, then
Is distributed in a circular ring, the inner ring radius of the circular ring is
The outer ring radius is 1 as shown in fig. 9.
In the embodiment, the PC host is internally provided with teacher control software which comprises a courseware management library, a test question library, a test paper library and a student management library; the courseware management library is used for uploading, editing and managing learning materials and the simulation model library.
The test question library comprises a plurality of high-voltage power equipment test simulation actual operation questions; the test paper library comprises a plurality of high-voltage power equipment theoretical examination questions; the student management library is used for managing student information by teachers, and the teachers can divide students into different groups according to the professions and grades of the students; a teacher can set a test paper question setting strategy according to actual conditions, and after students enter a theoretical examination module through system functions, a system calls a set number of examination questions in an examination paper management module according to the test paper strategy; the volume group is divided into three grades of a primary grade, a middle grade and a high grade, in the embodiment, the default of the system is that the primary grade accounts for 60%, the middle grade accounts for 30% and the high grade accounts for 10%; the teacher can change the proportion of the three levels according to the actual situation;
the application programs of the teacher-side and student-side control software in this embodiment include a PC Windows application program and a VR application program.
(1)PC Windows
The PC windows application program directly runs in a windows operation system of the PC control host, and a user carries out man-machine interaction through a keyboard and a mouse.
(2) VR applications
VR application program direct operation carries out human-computer interaction in the Windows operating system of PC control host computer, and teacher's end carries out interface display through VR equipment HTC Vive head demonstration, carries out immersive human-computer interaction through the handle.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer-readable storage medium configured with the computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, according to the methods and figures described in the detailed description. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, the operations of processes described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described herein (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or write storage medium, RAM, ROM, or the like, such that it may be read by a programmable computer, which when read by the storage medium or device, is operative to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described herein includes these and other different types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein.
A computer program can be applied to input data to perform the functions described herein to transform the input data to generate output data that is stored to non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a high voltage electricity equipment test training system based on virtual reality which characterized in that: the system comprises virtual reality equipment, a PC control host, a big data analysis platform and a server;
the server stores all training data and a model library for simulation calling, is connected with a PC (personal computer) end through a network switch, and is in communication connection with the big data analysis platform;
a user wears the virtual reality equipment and loads the virtual reality equipment into a corresponding module, and the user finishes corresponding simulation operation by selecting to enter different modes; after the use is finished, the related data of the user are transmitted to the big data analysis platform, the simulation operation condition of the user can be intelligently analyzed, and an analysis result is given.
2. The virtual reality based high voltage power equipment test training system according to claim 1, characterized in that: the virtual reality equipment comprises a helmet display, a left hand controller and a right hand controller, wherein the helmet display is connected with the PC end through a USB interface and/or a DP interface; the left-hand controller and the right-hand controller are paired through software to be in communication connection with the helmet display.
3. The virtual reality based high voltage power equipment test training system according to claim 1, characterized in that: a user wears the virtual reality equipment and then automatically loads corresponding modules of a student end, wherein the corresponding modules comprise an online learning module, a simulation actual operation module, a theoretical assessment module and a personal center module.
4. The virtual reality based high voltage power equipment test training system of claim 3, wherein: the online learning module comprises various technical data related to high-voltage power equipment; the student enters the training system at the PC end by inputting a school number and a self-set password, and then learns related technical data in various forms through the online learning module; the simulation real operation module comprises a real operation simulation training sub-module and a real operation simulation examination sub-module, and after the corresponding mode is selected, a user enters a test scene matched with the test item by selecting a specific test item through a helmet display; the left controller and the right controller are operated to operate equipment and instruments, and the equipment and instruments can be selected to enter a simulation exercise module or simulation test simulation to perform actual operation; the theoretical assessment module comprises a theoretical simulation training sub-module and a theoretical simulation examination sub-module; after logging in the system, the user enters the theoretical examination module by selection to complete relevant simulated training and simulated examination.
5. The virtual reality based high voltage power equipment test training system of claim 3, wherein: the high voltage power equipment model library comprises: the device comprises a transformer, a high-voltage circuit breaker, a voltage transformer, a current transformer, a zinc oxide arrester and an insulator; the high-voltage test instrument model library comprises: the testing device comprises an insulation resistance tester, a high-voltage switch dynamic characteristic tester, a high-voltage testing transformer, a transformer transformation ratio tester, a transformer direct-current resistance tester, a transformer no-load and load characteristic tester, a loop resistance tester and a dielectric loss tester.
6. The virtual reality based high voltage power equipment test training system of claim 3, wherein: the personal center module can inquire information including student information, simulated training information and examination scores.
7. The virtual reality based high voltage power equipment test training system according to claim 1, characterized in that: the model library comprises a test scene library, a high-voltage power equipment model library, a test instrument model library and a test line model library; the simulation libraries are modeled after three-dimensional laser scanning is carried out on a test scene, high-voltage power equipment and a test instrument by adopting a laser scanner, so that a student virtually shows a real test environment in a helmet display, and can obtain the required test scene, the required test instrument and the required high-voltage power equipment by operation of a controller, so that the test instrument and the high-voltage power equipment can be connected in the virtual environment and operated.
8. A virtual reality based high voltage power plant test training system as claimed in claim 1 or 2 or 3, wherein: the big data analysis platform comprises a database, a management service module and a data processing and analyzing module; the database comprises the online practice of the trainee, the simulation operation practice, the data and the score of the simulation examination and the data and the score of the formal examination; the management service module is used for managing personal information of students and managing examination data and scores in a classified manner; the data processing and analyzing module is used for counting and analyzing various data and scores generated by the trainees in the simulation by adopting a circular law method in a spectrum analysis theory of a high-dimensional random matrix, intelligently analyzing the training and mastering conditions of the trainees and giving an analysis result.
9. The virtual reality based high voltage power equipment test training system according to claim 1, characterized in that: the PC host is internally provided with a teacher end and a corresponding control module, wherein the control module comprises a courseware management library, a test question library, a test paper library and a student management library; the courseware management library is used for uploading, editing and managing learning materials and the simulation model library.
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| CN113160640A (en) * | 2021-03-11 | 2021-07-23 | 贵州电网有限责任公司 | Application system based on VR transformer intelligence inspection training system |
| CN113313986A (en) * | 2021-04-30 | 2021-08-27 | 广东电网有限责任公司广州供电局 | Electric power occupation training system and method |
| CN113450617A (en) * | 2021-06-21 | 2021-09-28 | 国网山东省电力公司鱼台县供电公司 | Electric power construction training system and method based on virtual reality |
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