CN109272801A - Power distribution network operation simulation assessment method and system based on VR technology - Google Patents

Abstract

The invention discloses a simulation method and system for distribution network operation based on VR technology. The method comprises: establishing a virtual scenario of real operation of the distribution network operation according to the safety requirement of the distribution network operation, and configuring the corresponding assessment content of the distribution network operation in the virtual scenario, and obtaining the real operation of the assessment personnel in the distribution network operation. In the virtual scenario, the actual operation of the distribution network operation is simulated, and it is judged whether the actual operation of the distribution network simulated by the assessment personnel meets the assessment requirements of the distribution network operation, and the corresponding assessment results are obtained. The simulation evaluation method provided by the invention not only avoids the problem that the assessment personnel only understand the theory and does not actually operate, but also restores the real distribution network operation site through 1:1, so that the assessment personnel are immersively arranged in the virtual scene. The grid operation can effectively avoid the operational risks brought by the actual distribution network operation, and the assessment form is more secure and reliable, and there is no need to worry about safety issues.

Description

Distribution network operation simulation evaluation method and system based on VR technology

Technical field

The invention relates to the technical field of power distribution operation assessment, in particular to a simulation method and system for distribution network operation based on VR technology.

Background technique

The power industry is a traditional industry that provides a solid foundation for people's lives and work. With the economic development and the improvement of people's living standards, users have higher and higher requirements for power supply reliability. In order to improve the reliability of power supply, it is necessary to reduce the power outage, and the power distribution and non-blackout operation is the most direct and effective measure to improve the reliability of power supply. Distribution network operation has certain safety risks. In order to ensure the safety of the workers as much as possible, it is very necessary to train the operators and evaluate their training effects.

However, the assessment of the existing distribution network operation is still a theoretical examination using a written test. Although it can assess the degree of memory of the relevant knowledge of the operator, whether the operator can fully understand the knowledge can be in the actual operation process. The application of the Chinese Academy of Sciences cannot be assessed. The traditional written examination method has limited assessment results and it is difficult to meet actual needs.

Summary of the invention

In order to solve the problems of the prior art, an embodiment of the present invention provides a method and system for performing simulation of distribution network operation based on VR technology. The technical solution is as follows:

In one aspect, an embodiment of the present invention provides a VR-based simulation method for distribution network operation, the method comprising:

According to the safety requirements of the distribution network operation, establish a virtual scenario of the real operation of the distribution network operation, and configure the corresponding distribution network operation assessment content in the virtual scene;

Obtaining the actual operation of the assessment work performed by the assessment personnel in the virtual scenario of the real operation of the distribution network;

It is judged whether the actual operation of the distribution network simulated by the appraisers meets the requirements for the assessment of the distribution network operation, and the corresponding assessment results are obtained.

In the foregoing VR technology-based distribution network operation simulation evaluation method according to the embodiment of the present invention, the virtual scene of the real operation of the distribution network operation is established according to the safety requirements of the distribution network operation, and the corresponding configuration is configured in the virtual scene. Grid operation assessment content, including:

According to the safety requirements of the distribution network operation, the transmission line structure training, the inspection, maintenance and overhaul of the transmission line, and the virtual scene of the aerial work and live working are established.

In the above-mentioned VR technology-based distribution network operation simulation assessment method according to the embodiment of the present invention, the acquisition assessment personnel in the virtual scenario of the real operation of the distribution network operation, simulate the actual operation of the distribution network operation assessment, including :

Obtaining the actual operation of the assessment of the distribution network operation in the virtual scenario of the distribution network operation alone; or

Obtain the actual operation of the distribution network operation in the virtual scene of the same distribution network operation by multiple appraisers.

In the foregoing VR technology-based distribution network operation simulation assessment method according to the embodiment of the present invention, the method further includes:

The error assessment operation of the assessment personnel is analyzed by mistake, and the analysis results are fed back to the assessment personnel for subsequent targeted training.

In the foregoing VR technology-based distribution network operation simulation assessment method according to the embodiment of the present invention, the method further includes:

According to the results of the assessment, the content of the assessment of the distribution network operation will be re-modified, so that the content of the new distribution network operation assessment is more aimed at the shortage of assessment personnel.

On the other hand, an embodiment of the present invention provides a distribution network operation simulation evaluation system based on VR technology, including:

Establishing a module for establishing a virtual scenario of real operation of the distribution network operation according to the safety requirements of the distribution network operation, and configuring corresponding assessment contents of the distribution network operation in the virtual scenario;

The obtaining module is used to obtain the actual operation situation of the distribution network operation assessment in the virtual scenario in which the assessment personnel perform the real operation of the distribution network operation;

The processing module is configured to determine whether the actual operation of the distribution network operation completed by the assessment personnel meets the assessment requirements of the distribution network operation, and the corresponding assessment result is obtained.

In the above-mentioned VR technology-based distribution network operation simulation evaluation system according to the embodiment of the present invention, the establishment module is further used for establishing transmission line structure training, transmission line inspection and maintenance according to the safety requirements of the distribution network operation. Overhaul, as well as virtual scenes for aerial work and live work.

In the above-mentioned VR technology-based distribution network operation simulation evaluation system according to the embodiment of the present invention, the acquisition module is also used to obtain the assessment personnel to perform the distribution network operation assessment in the virtual scenario of the distribution network operation alone. Actual operation; or,

The obtaining module is further configured to obtain an actual operation situation of the distribution network operation assessment performed by the plurality of assessment personnel in the virtual scenario of the same distribution network operation.

In the foregoing VR technology-based distribution network operation simulation evaluation system according to the embodiment of the present invention, the method further includes:

The error feedback module is used for error analysis of the error assessment operation of the assessment personnel, and the analysis result is fed back to the assessment personnel for subsequent targeted training.

In the foregoing VR technology-based distribution network operation simulation evaluation system according to the embodiment of the present invention, the method further includes:

The modification module is used to re-edit the assessment content of the distribution network operation according to the assessment results, so that the content of the new distribution network operation assessment is more targeted to the assessment personnel.

The beneficial effects brought by the technical solutions provided by the embodiments of the present invention are:

According to the safety requirements of the distribution network operation, establish a virtual scenario of the real operation of the distribution network operation, and configure the corresponding distribution network operation assessment content in the virtual scenario, and then obtain the virtual scene of the assessment personnel in the real operation of the distribution network operation. The actual operation of the distribution network operation is simulated, and finally, it is judged whether the actual operation of the distribution network simulated by the assessment personnel meets the assessment requirements of the distribution network operation, and the corresponding assessment results are obtained. This kind of simulation assessment method not only gets rid of the traditional paper quality assessment, but also avoids the problem that the assessment personnel only understand the theory and does not actually operate. It also restores the real distribution network operation site through 1:1, and through the 3D visualization technology, the assessment personnel are In the virtual scene, the immersive distribution network operation can effectively avoid the operational risks brought by the actual distribution network operation. The assessment form is more secure and reliable, and there is no need to worry about safety.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work.

1 is a flow chart of a simulation method for distribution network operation based on VR technology according to Embodiment 1 of the present invention;

2 is a schematic structural diagram of a distribution network operation simulation evaluation system based on VR technology according to Embodiment 2 of the present invention.

Detailed ways

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Embodiment 1

The embodiment of the invention provides a simulation and assessment method for the distribution network operation based on the VR technology, which is suitable for training and assessment of the staff of the distribution network. Referring to FIG. 1, the method may include:

In step S11, according to the safety requirements of the distribution network operation, a virtual scenario in which the distribution network operation is actually operated is established, and the corresponding assessment content of the distribution network operation is configured in the virtual scenario.

In this embodiment, since the distribution network operation is in the actual operation process, there is a certain dangerous operation content such as a charging operation or a high-altitude operation, and the virtual reality (Virtual Reality, referred to as "VR") technology can pass 1:1. Restore the real distribution network operation site, and through the 3D visualization technology, the assessment personnel can carry out the distribution network operation in the virtual scene, but can effectively avoid the operational risk brought by the actual distribution network operation. It is safer and more reliable, and compared with the traditional paper assessment, the assessment in the virtual scene can make the assessment personnel carry out the actual operation, avoiding the problem that the assessment personnel only understand the theory and will not actually operate. That is to complete the virtual scene through the 1:1 real-time reconstruction, the distribution network operator conducts an immersive assessment in the virtual world, and performs business operations in a more realistic manner, so that the operator does not have to worry about the security problem at all.

Specifically, the foregoing step S11 can be implemented as follows:

According to the safety requirements of the distribution network operation, the transmission line structure training, the inspection, maintenance and overhaul of the transmission line, and the virtual scene of the aerial work and live working are established.

In this embodiment, the transmission line structure training is the most basic part of the entire system learning content, and is also a compulsory course for new employees. In the virtual reality training of transmission operation, various three-dimensional models of transmission line equipment can be preset. Each model is simulated according to actual equipment, including wires, towers, insulators, fittings, tower foundations, cables and grounding devices. Wait. By controlling the VR controller, employees can select the devices they need to know and visually view their properties, styles, and usage instructions. In addition, the virtual reality training system will also demonstrate the use of tools and equipment in a three-dimensional animation, allowing students to learn the principles of knowledge more intuitively and specifically.

The inspection, maintenance and overhaul of power transmission lines is also one of the important contents of distribution network operation. The virtual reality training of transmission operation will be carried out through three-dimensional virtual scenes during the inspection, maintenance and overhaul of transmission lines. The voice or indicator logo guides the new employee to perform work training in the scene according to the correct operation steps, so that the employee can learn independently.

Aerial work and live working are the two most dangerous operational tasks in the transmission system. A slight difference will endanger the lives of the personnel. Therefore, virtual reality training for transmission operations can be set up with detailed scientific training modules for these two operations. To enhance the theoretical basis and actual operation level of employees, and to a certain extent enrich the work experience of new employees.

In step S12, the actual operation situation of the distribution network operation assessment performed by the assessment personnel in the virtual operation of the distribution network operation is obtained.

Optionally, the foregoing step S12 can be implemented as follows:

Obtaining the actual operation of the assessment of the distribution network operation in the virtual scenario of the distribution network operation alone; or

Obtain the actual operation of the distribution network operation in the virtual scene of the same distribution network operation by multiple appraisers.

In this embodiment, the virtual reality training can set up a scene for the operation method, the program, the process, and the precautions of the operation item, and the employee can interact with the scene through the virtual reality controller, and perform the assessment operation according to the intelligent guidance identifier. In addition to the single-person assessment mode, multi-person collaborative operation assessment can also be carried out, allowing multiple employees to enter the same virtual scene and cooperate with each other to make teamwork more tacit.

In step S13, it is judged whether the actual operation of the distribution network simulated by the assessment personnel meets the assessment requirements of the distribution network operation, and the corresponding assessment result is obtained.

In this embodiment, after each candidate's assessment is completed, the scores can be intelligently analyzed according to the actual content of the assessment, and the scoring system can reflect whether the operation effect of the operator conforms to the guidance content in real time, and the scoring module can also be real-time. Respond to the level of knowledge currently available to the operator.

Optionally, referring to FIG. 1, the method may further include:

In step S14, the error assessment operation of the assessment personnel is analyzed by mistake, and the analysis result is fed back to the assessment personnel for subsequent targeted training.

In this embodiment, the error analysis means that after the end of the assessment, the error can be viewed to understand the reason for the actual operation error, and the subsequent training can be more targeted.

Optionally, referring to FIG. 1, the method may further include:

In step S15, according to the assessment result, the assessment content of the distribution network operation is re-modified, so that the content of the new distribution network operation assessment is more directed to the shortage of the assessment personnel.

In this embodiment, the assessment content can be newly created, modified, deleted, and queried, so that the user deficiency can be reviewed according to the user's assessment result, and the assessment focus can be re-modified.

In addition, different rights management can be performed for different users, such as candidates, teachers, and super administrators. There are no restrictions here.

In this embodiment, the simulation evaluation method based on the virtual reality technology has a very strong flexibility, and can largely meet the assessment requirements of the power distribution network operator, and the method can detect the training result of the training object in real time, in the assessment. After the completion of the test, the results of the assessment will be feedback. In addition, the method can enable the appraisers to conduct assessments at any location, which breaks the space and time constraints of the previous assessments, and can also greatly improve the training effect of the electric power personnel, thereby improving the operation. Quality to ensure the personal safety of power grid distribution operations.

The embodiment of the invention establishes a virtual scenario of the real operation of the distribution network operation according to the safety requirements of the distribution network operation, and configures the corresponding assessment content of the distribution network operation in the virtual scenario, and then obtains the real operation of the assessment personnel in the distribution network operation. In the virtual scenario, the actual operation of the distribution network operation is simulated, and finally the actual operation of the distribution network simulated by the assessment personnel is judged to meet the assessment requirements of the distribution network operation, and the corresponding assessment results are obtained. This kind of simulation assessment method not only gets rid of the traditional paper quality assessment, but also avoids the problem that the assessment personnel only understand the theory and does not actually operate. It also restores the real distribution network operation site through 1:1, and through the 3D visualization technology, the assessment personnel are In the virtual scene, the immersive distribution network operation can effectively avoid the operational risks brought by the actual distribution network operation. The assessment form is more secure and reliable, and there is no need to worry about safety.

Embodiment 2

The embodiment of the present invention provides a VR-based distribution network operation simulation evaluation system, and the method described in the first embodiment is implemented. Referring to FIG. 2, the system may include: an establishing module 100, an obtaining module 200, and a processing module 300. .

The module 100 is configured to establish a virtual scenario for real operation of the distribution network operation according to the safety requirements of the distribution network operation, and configure corresponding assessment content of the distribution network operation in the virtual scenario.

In this embodiment, since the distribution network operation is in the actual operation process, there is a certain dangerous operation content such as a charging operation or a high-altitude operation, and the VR technology can restore the real distribution network operation site by 1:1, and Through 3D visualization technology, the assessment personnel can carry out the distribution network operation in the virtual scene, but it can effectively avoid the operational risk brought by the actual distribution network operation. The assessment form is more secure and reliable, and compared with the traditional paper. Quality assessment, the assessment in the virtual scene can make the assessment personnel carry out the actual operation, avoiding the problem that the assessment personnel only understand the theory and will not actually operate. That is to complete the virtual scene through the 1:1 real-time reconstruction, the distribution network operator conducts an immersive assessment in the virtual world, and performs business operations in a more realistic manner, so that the operator does not have to worry about the security problem at all.

The obtaining module 200 is configured to obtain an actual operation situation of the distribution network operation assessment performed by the assessment personnel in the virtual scenario of the real operation of the distribution network operation.

The processing module 300 is configured to determine whether the actual operation of the distribution network operation completed by the assessment personnel meets the assessment requirements of the distribution network operation, and obtains corresponding assessment results.

In this embodiment, after each candidate's assessment is completed, the scores can be intelligently analyzed according to the actual content of the assessment, and the scoring system can reflect whether the operation effect of the operator conforms to the guidance content in real time, and the scoring module can also be real-time. Respond to the level of knowledge currently available to the operator.

Optionally, the establishing module 100 is further configured to establish a transmission line structure training, a patrol, maintenance and overhaul of the transmission line, and a virtual scene of the aerial work and the live operation according to the safety requirements of the distribution network operation.

In this embodiment, the transmission line structure training is the most basic part of the entire system learning content, and is also a compulsory course for new employees. In the virtual reality training of transmission operation, various three-dimensional models of transmission line equipment can be preset. Each model is simulated according to actual equipment, including wires, towers, insulators, fittings, tower foundations, cables and grounding devices. Wait. By controlling the VR controller, employees can select the devices they need to know and visually view their properties, styles, and usage instructions. In addition, the virtual reality training system will also demonstrate the use of tools and equipment in a three-dimensional animation, allowing students to learn the principles of knowledge more intuitively and specifically.

The inspection, maintenance and overhaul of power transmission lines is also one of the important contents of distribution network operation. The virtual reality training of transmission operation will be carried out through three-dimensional virtual scenes during the inspection, maintenance and overhaul of transmission lines. The voice or indicator logo guides the new employee to perform work training in the scene according to the correct operation steps, so that the employee can learn independently.

Aerial work and live working are the two most dangerous operational tasks in the transmission system. A slight difference will endanger the lives of the personnel. Therefore, virtual reality training for transmission operations can be set up with detailed scientific training modules for these two operations. To enhance the theoretical basis and actual operation level of employees, and to a certain extent enrich the work experience of new employees.

Optionally, the obtaining module 200 is further configured to obtain an actual operation situation of the distribution network operation assessment performed by the assessment personnel in the virtual scenario of the distribution network operation alone; or

The obtaining module 200 is further configured to obtain the actual operation situation of the distribution network operation assessment performed by the plurality of assessment personnel in the virtual scenario of the same distribution network operation.

In this embodiment, the virtual reality training can set up a scene for the operation method, the program, the process, and the precautions of the operation item, and the employee can interact with the scene through the virtual reality controller, and perform the assessment operation according to the intelligent guidance identifier. In addition to the single-person assessment mode, multi-person collaborative operation assessment can also be carried out, allowing multiple employees to enter the same virtual scene and cooperate with each other to make teamwork more tacit.

Optionally, referring to FIG. 2, the system may further include: an error feedback module 400, configured to perform error analysis on the error assessment operation of the assessment personnel, and feed back the analysis result to the assessment personnel for subsequent targeted learning training.

In this embodiment, the error analysis means that after the end of the assessment, the error can be viewed to understand the reason for the actual operation error, and the subsequent training can be more targeted.

Optionally, referring to FIG. 2, the system may further include: a modification module 500, configured to re-edit the assessment content of the distribution network operation according to the assessment result, so that the content of the new distribution network operation assessment is more directed to the shortage of the assessment personnel.

In this embodiment, the assessment content can be newly created, modified, deleted, and queried, so that the user deficiency can be reviewed according to the user's assessment result, and the assessment focus can be re-modified.

In addition, different rights management can be performed for different users, such as candidates, teachers, and super administrators. There are no restrictions here.

In this embodiment, the simulation evaluation method based on the virtual reality technology has a very strong flexibility, and can largely meet the assessment requirements of the power distribution network operator, and the method can detect the training result of the training object in real time, in the assessment. After the completion of the test, the results of the assessment will be feedback. In addition, the method can enable the appraisers to conduct assessments at any location, which breaks the space and time constraints of the previous assessments, and can also greatly improve the training effect of the electric power personnel, thereby improving the operation. Quality to ensure the personal safety of power grid distribution operations.

The embodiment of the invention establishes a virtual scenario of the real operation of the distribution network operation according to the safety requirements of the distribution network operation, and configures the corresponding assessment content of the distribution network operation in the virtual scenario, and then obtains the real operation of the assessment personnel in the distribution network operation. In the virtual scenario, the actual operation of the distribution network operation is simulated, and finally the actual operation of the distribution network simulated by the assessment personnel is judged to meet the assessment requirements of the distribution network operation, and the corresponding assessment results are obtained. This kind of simulation evaluation system not only gets rid of the traditional paper quality assessment, but also avoids the problem that the assessment personnel only understand the theory and does not actually operate. It also restores the real distribution network operation site through 1:1, and makes the assessment personnel in the 3D visualization technology. In the virtual scene, the immersive distribution network operation can effectively avoid the operational risks brought by the actual distribution network operation. The assessment form is more secure and reliable, and there is no need to worry about safety.

The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

It should be noted that: the VR technology-based distribution network operation simulation evaluation system provided by the above embodiment is only based on the division of the above functional modules when implementing the VR technology-based distribution network operation simulation assessment method, and the practical application In the above, the above function distribution can be completed by different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the VR technology-based distribution network operation simulation evaluation system and the VR technology-based distribution network operation simulation evaluation method embodiment are the same concept, and the specific implementation process is detailed in the method embodiment, and details are not described herein again. .

A person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium. The storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims (10)

1. A power distribution network operation simulation assessment method based on VR technology is characterized by comprising the following steps:

according to the operation safety requirements of the power distribution network, a virtual scene of real operation of the power distribution network is established, and corresponding operation assessment contents of the power distribution network are configured in the virtual scene;

acquiring a virtual scene of the real operation of the power distribution network operation by an assessment person, wherein the virtual scene simulates the finished power distribution network operation assessment actual operation condition;

and judging whether the actual operation of the power distribution network operation simulated by the assessment personnel meets the assessment requirement of the power distribution network operation or not, and obtaining a corresponding assessment result.

2. The method according to claim 1, wherein the step of establishing a virtual scene of the real operation of the power distribution network operation according to the power distribution network operation safety requirement and configuring corresponding power distribution network operation assessment content in the virtual scene comprises the following steps:

according to the safety requirements of power distribution network operation, virtual scenes of power transmission line structure training, power transmission line inspection, maintenance and overhaul and aerial work and live working are established.

3. The method of claim 1, wherein the obtaining of the virtual scene of the real operation of the power distribution network operation by the assessment personnel simulates the completed power distribution network operation assessment actual operation condition, and comprises the following steps:

obtaining the practical operation condition of the power distribution network operation examination simulated and completed by an examination person in a virtual scene of the power distribution network operation; or,

and acquiring the power distribution network operation examination actual operation condition which is finished by cooperation of a plurality of examination personnel in the virtual scene of the same power distribution network operation.

4. The method of claim 1, further comprising:

and carrying out error analysis on the error examination operation of the examination personnel, and feeding back the analysis result to the examination personnel for subsequent targeted study training.

5. The method of claim 4, further comprising:

and modifying the operation assessment content of the power distribution network again according to the assessment result, so that the new operation assessment content of the power distribution network is more against the deficiency of assessment personnel.

6. The utility model provides a distribution network operation simulation examination system based on VR technique which characterized in that includes:

the establishing module is used for establishing a virtual scene of real operation of power distribution network operation according to the power distribution network operation safety requirement, and configuring corresponding power distribution network operation assessment content in the virtual scene;

the acquisition module is used for acquiring the practical operation condition of the power distribution network operation examination simulated and completed by the examination personnel in the virtual scene of the real operation of the power distribution network operation;

and the processing module is used for judging whether the actual operation of the power distribution network operation simulated by the assessment personnel meets the assessment requirement of the power distribution network operation and obtaining a corresponding assessment result.

7. The system according to claim 6, wherein the establishing module is further configured to establish a virtual scene of power transmission line structure training, power transmission line inspection, maintenance and overhaul, and aerial work and live work according to the power distribution network work safety requirements.

8. The system of claim 6, wherein the obtaining module is further configured to obtain actual operation conditions of the power distribution network operation examination, which are simulated by examination personnel in a virtual scene of the power distribution network operation alone; or,

the acquisition module is also used for acquiring the power distribution network operation examination actual operation condition which is finished by cooperation of a plurality of examination personnel in the virtual scene of the same power distribution network operation.

9. The system of claim 6, further comprising:

and the error feedback module is used for carrying out error analysis on the error examination operation of the examination personnel and feeding back the analysis result to the examination personnel for subsequent targeted study training.

10. The system of claim 9, further comprising:

and the modification module is used for modifying the power distribution network operation assessment content again according to the assessment result, so that the new power distribution network operation assessment content is more against the deficiency of assessment personnel.