CN111028603A - Live-line work training method and system for transformer substation based on dynamic capture and virtual reality - Google Patents
Live-line work training method and system for transformer substation based on dynamic capture and virtual reality Download PDFInfo
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Abstract
The application discloses a transformer substation live-line work training method and system based on dynamic capture and virtual reality, the transformer substation live-line work training method based on dynamic capture and virtual reality is provided, a student can carry out live-line work training and assessment under a built real prop scene, the action posture of the student is synchronized to a three-dimensional character model in a virtual scene which is positioned and registered with the real prop scene, the action posture of the three-dimensional model is compared with a standard action posture, providing visual operation guidance or quantitative assessment based on virtual reality for the trainees according to the comparison result, on the premise of avoiding safety accidents, the transformer substation live-line operation trainees can truly experience transformer substation live-line operation, and can quantitatively judge the operation key actions of the trainees, so that the trainees can be efficiently trained and examined for the safety actions.
Description
Technical Field
The application relates to the technical field of power operation simulation, in particular to a transformer substation live-line work training method and system based on dynamic capture and virtual reality.
Background
The live-line work of the transformer substation is an important mode for guaranteeing the power supply reliability and continuity of the power system, and has the characteristics of strong specialization, high technical content, strict safety measures, complex working conditions and the like, so live-line work personnel of the transformer substation must be trained systematically, comprehensively and effectively.
At present, transformer substation live working training is mainly developed in the forms of theoretical training, field training and the like, on one hand, in the transformer substation live working theoretical training process, a college is often difficult to accurately understand knowledge points, and due to different levels of training guides, learning effect evaluation of the college is uneven; on the other hand, in the field training process of students, because the training field and teachers are limited, the live working training is limited by time, climate, field and teachers, students need to learn by themselves and are difficult to obtain timely guidance, and more importantly, the field training has certain safety risk, even if the live working training equipment is subjected to safety protection, the classroom makes correct operation guidance, in the actual training process, the risk of triggering safety accidents still exists, once dangerous situations occur, the training equipment is possibly damaged, even casualties are possibly caused, and therefore, the theoretical training and the field training are not ideal schemes for carrying out transformer substation live working training and checking.
With the development of virtual reality technology, the virtual reality device has better immersion and interactivity, and is widely applied to multiple fields of games, simulation training and the like. At present, electric power simulation training based on virtual reality is finished on a computer or by means of virtual reality equipment, and a student operates the virtual electric power equipment by using a mouse, a keyboard or the virtual reality equipment so as to achieve the aim of training. However, the training method is very different from the real scene, and the trainees cannot experience real operation on the spot. In addition, the training method is difficult to quantitatively judge the key actions of the trainees, so that the trainees cannot be efficiently trained and examined for the safe actions, and the trainees can experience that any unsafe action in the operation process can trigger accidents. Therefore, how to enable a transformer substation live-wire operation student to truly experience transformer substation live-wire operation on the premise of avoiding safety accidents, and quantitatively evaluating the operation key actions of the student, and efficiently training and examining the safety actions of the student are technical problems to be solved urgently by technical staff in the field.
Disclosure of Invention
The application provides a transformer substation live-line work training method and system based on dynamic capture and virtual reality, which are used for enabling transformer substation live-line work students to truly experience transformer substation live-line work operation on the premise of avoiding safety accidents, and can quantitatively judge the operation key actions of the students, so that the students can be efficiently trained and checked for safety actions.
In view of this, the present application provides, in a first aspect, a transformer substation live-line work training method based on dynamic capture and virtual reality, including:
constructing a virtual scene and a real prop scene of live working;
after the real prop scene is positioned, registering the real prop scene with the virtual scene;
when a student wearing preset virtual reality equipment and preset motion capture equipment enters the real prop scene, generating a three-dimensional character model of the student in the virtual scene;
responding to a job request, extracting a live working operation ticket selected by the student from a preset live working operation ticket library, and enabling the student to carry out job according to the live working operation ticket;
driving the three-dimensional character model to perform the same action posture as the student according to the position and the action posture of the student;
if the operation request is in a training mode, providing visual operation guidance based on virtual reality for the student according to the action posture in real time according to a preset knowledge point library;
and if the operation request is in an assessment mode, quantitatively assessing the action posture of the student in real time according to a preset examination point library.
Optionally, the method further comprises:
and constructing the preset live-wire work operation ticket library, the preset knowledge point library and the preset examination point library.
Optionally, the live-line work virtual scene and the real prop scene are constructed according to a ratio of 1: 1.
Optionally, when a trainee wearing a preset virtual reality device and a preset motion capture device enters the real prop scene, generating a three-dimensional character model of the trainee in the virtual scene includes:
when a student wearing preset virtual reality equipment and preset motion capture equipment enters the real prop scene, skeleton-level modeling is carried out on the student through the preset motion capture equipment, and a three-dimensional character model of the student is generated in the virtual scene according to the ratio of 1: 1.
Optionally, the driving the three-dimensional character model to perform the same action posture as the trainee according to the position and the action posture of the trainee comprises:
calculating the position information of the student in real time, and converting the position information into the three-dimensional coordinates of the virtual scene;
driving the three-dimensional character model to move smoothly in the virtual scene based on a coordinate smooth movement algorithm;
capturing skeleton motion information of the student in real time through the preset motion capturing equipment, converting the skeleton motion information into the three-dimensional character model, and driving the three-dimensional character model to perform the same motion posture as the student.
Optionally, the visual work guidance comprises:
displaying the operation scene and operation process knowledge point information of the live working operation ticket to the student;
and comparing the action posture of the student with the live working standard action posture of a preset knowledge point library in real time, displaying the action normalized information of the student in real time according to a comparison result, and performing acousto-optic alarm and triggering accident three-dimensional animation caused by the action posture when the comparison result shows that unsafe actions exist.
Optionally, if the operation request is in an assessment mode, performing quantitative assessment on the action posture of the student according to a preset examination point library in real time, including:
if the operation request is in an evaluation mode, displaying the operation scene and operation process knowledge point information of the live-wire operation order to the student, comparing the action posture of the student with the live-wire operation standard action posture of a preset examination point library in real time, evaluating whether the action posture of the student is qualified or not in real time according to a comparison result, and performing acousto-optic warning and triggering accident three-dimensional animation caused by the action posture when the comparison result shows that unsafe actions exist.
The second aspect of the application provides a transformer substation live-line work training system based on dynamic capture and virtual reality, which comprises a virtual reality system, a real prop positioning system and a transformer substation live-line work training system;
the virtual reality system is used for constructing a virtual scene of live-line work, positioning and registering a real prop scene of the real prop positioning system with the virtual scene, and generating a three-dimensional character model of a student wearing preset virtual reality equipment and preset motion capture equipment in the virtual scene when the student enters the real prop scene;
the real prop positioning system comprises a real prop scene and a positioning system, and the positioning system is used for carrying out label positioning on the real prop scene;
the transformer substation live-line work training system is used for responding to a work request, extracting a live-line work operation ticket selected by a student from a preset live-line work operation ticket library, enabling the student to work according to the live-line work operation ticket, driving the three-dimensional character model to perform an action posture the same as that of the student according to the position and the action posture of the student, if the work request is in a training mode, providing visual work guidance based on virtual reality for the student according to the action posture in real time according to a preset knowledge point library, and if the work request is in an assessment mode, quantitatively assessing the action posture of the student according to a preset examination point library in real time.
Optionally, the virtual reality system comprises a virtual reality device, the preset motion capture device and a registration control module;
the virtual reality equipment is used for displaying the virtual scene and providing a virtual reality interaction interface;
the preset motion capture equipment is used for responding to the motion posture of the college, acquiring the motion data of the student and processing the motion data;
the registration control module is used for acquiring the three-dimensional coordinates of the positioning tags of the trainees in real time, converting the three-dimensional coordinates into the coordinate information of the virtual scene, driving the three-dimensional character model to move smoothly in the virtual scene based on a coordinate smooth movement algorithm, converting the bone motion information of the trainees into the three-dimensional character model, and driving the three-dimensional character model to perform the same action posture as the trainees.
Optionally, the transformer substation live working training system comprises a transformer substation working scene display module, an operation ticket display module, a virtual character display module, a training module and an examination module;
the training module is used for providing visual operation guidance based on virtual reality for the trainee according to the action posture in real time according to a preset knowledge point library if the operation request is in a training mode;
the assessment module is used for quantitatively assessing the action posture of the student in real time according to a preset examination point library if the operation request is in an assessment mode;
the transformer substation operation scene display module is used for controlling the virtual reality equipment to display the virtual scene;
the operation ticket display module is used for displaying the live working operation ticket in the virtual reality equipment;
the virtual character display module is used for controlling the display of the three-dimensional character in the virtual scene;
the training module is used for providing visual operation guidance based on virtual reality for the trainee according to the action posture in real time according to a preset knowledge point library if the operation request is in a training mode;
and the assessment module is used for quantitatively assessing the action posture of the student in real time according to a preset examination point library if the operation request is in an assessment mode.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a transformer substation live-line work training method based on dynamic capture and virtual reality, which comprises the following steps: constructing a virtual scene and a real prop scene of live working; after the real prop scene is positioned, registering the real prop scene with the virtual scene; when a student wearing preset virtual reality equipment and preset motion capture equipment enters a real prop scene, generating a three-dimensional character model of the student in a virtual scene; responding to a job request, extracting a live working operation ticket selected by a student from a preset live working operation ticket library, and enabling the student to operate according to the live working operation ticket; driving the three-dimensional character model to perform the same action posture as the student according to the position and the action posture of the student; if the operation request is in a training mode, providing visual operation guidance based on virtual reality for the student according to the action posture in real time according to a preset knowledge point library; and if the operation request is in the examination mode, quantitatively examining the action posture of the student in real time according to a preset examination point library. According to the transformer substation live-line work training method based on dynamic capture and virtual reality, a student can conduct live-line work training and examination under a built real prop scene, the action posture of the student is synchronized to a three-dimensional character model in a virtual scene which is located and registered with the real prop scene, the action posture of the three-dimensional model is compared with a standard action posture, visual work guidance or quantitative examination based on virtual reality is provided for the student according to a comparison result, on the premise that safety accidents are avoided, the transformer substation live-line work student can truly experience transformer substation live-line work operation, key actions of the student work can be quantitatively evaluated, and safety action training and examination can be efficiently conducted on the student.
Drawings
Fig. 1 is a schematic flow chart of a transformer substation live-line work training method based on dynamic capture and virtual reality provided in an embodiment of the present application;
fig. 2 is another schematic flow chart of a transformer substation live-line work training method based on dynamic capture and virtual reality provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a transformer substation live-line work training system based on dynamic capture and virtual reality provided in an embodiment of the present application;
fig. 4 is a schematic frame diagram of a transformer substation live-line work training system based on kinetic capture and virtual reality provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For easy understanding, please refer to fig. 1, the present application provides an embodiment of a transformer substation live working training method based on dynamic capture and virtual reality, including:
It should be noted that, in the embodiment of the present application, a virtual scene of live-line work is first constructed, and a real prop scene is constructed, where the virtual scene is used to virtually implement a live-line work scene, and the real prop scene may be a real "prop" scene, such as an insulator string. The stage property in the real stage property scene is not electrified, therefore, does not have the incident risk of taking place the electric leakage and electrocute, can set up in the real stage property scene moreover and prevent falling the protection pad, avoids appearing the student and falls the injury. The live-line work virtual scene and the real prop scene can be constructed according to the proportion of 1: 1.
And 102, after the real prop scene is positioned, registering the real prop scene with the virtual scene.
It should be noted that, in the embodiment of the present application, a positioning system may be provided, a plurality of positioning base stations are deployed in a positioning area, and a positioning program is set to calculate a distance from each tag in a real prop scene to the positioning base stations, so as to settle a spatial coordinate of the positioning tag at a place, and register the real prop scene with a virtual scene of live working through the spatial coordinate.
And 103, when a student wearing preset virtual reality equipment and preset motion capture equipment enters a real prop scene, generating a three-dimensional character model of the student in the virtual scene.
It should be noted that, in the embodiment of the present application, a trainee needs to wear a virtual reality device and a motion capture device, the virtual reality device provides virtual reality interaction information for the trainee, and the motion capture device captures skeletal motion information of the trainee. When detecting that a student wearing preset virtual reality equipment and preset motion capture equipment enters a real prop scene, generating a three-dimensional character model corresponding to the student in the virtual scene.
And 104, responding to the operation request, extracting the live working operation ticket selected by the student from a preset live working operation ticket library, so that the student operates according to the live working operation ticket.
It should be noted that after entering the real property scene, the student may send an operation request through the virtual reality device, and select the live working operation ticket corresponding to the target live working scene, at this time, the system may extract the live working operation ticket selected by the student from the preset live working operation ticket library in response to the operation request, so that the student performs an operation according to the live working operation ticket. The job request may be a training mode or an assessment mode.
And 105, driving the three-dimensional character model to perform the same action posture as the student according to the position and the action posture of the student.
After the live-line work is started, the position and motion posture information of the trainee is synchronized with the three-dimensional character model in the virtual scene, and the three-dimensional character model is driven to move at the same position and change in motion posture as the trainee.
And 106, if the operation request is in a training mode, providing visual operation guidance based on virtual reality for the student according to the action posture in real time according to a preset knowledge point library, and if the operation request is in an assessment mode, quantitatively assessing the action posture of the student in real time according to a preset examination point library.
It should be noted that if the live-line work request selected by the student is in the training mode, the virtual reality-based visual work guidance is provided for the student according to the action posture in real time according to the preset knowledge point library, and if the live-line work request selected by the student is in the assessment mode, the action posture of the student is quantitatively assessed in real time according to the preset examination point library.
According to the transformer substation live-line work training method based on the dynamic capture and the virtual reality, a student can conduct live-line work training and examination under a built real prop scene, the action posture of the student is synchronized to the three-dimensional character model in the virtual scene which is located and registered with the real prop scene, the action posture of the three-dimensional model is compared with the standard action posture, visual work guidance or quantitative examination based on the virtual reality is provided for the student according to the comparison result, on the premise of avoiding safety accidents, the transformer substation live-line work student can experience live-line work operation truly, key actions of the student work can be evaluated quantitatively, and safety action training and examination can be conducted on the student efficiently.
For ease of understanding, referring to fig. 2, another embodiment of a transformer substation live working training method based on dynamic capture and virtual reality is provided, including:
And 203, when a student wearing preset virtual reality equipment and preset motion capture equipment enters a real prop scene, carrying out skeleton-level modeling on the student through the preset motion capture equipment, and generating a three-dimensional character model of the student in a virtual scene according to a ratio of 1: 1.
When the student enters a real prop scene, the preset motion capture equipment captures the skeletal node motion information of the student, skeletal modeling is carried out on the student, and a three-dimensional character model of the student is generated in a virtual scene according to the ratio of 1: 1.
And 204, responding to the operation request, extracting the live working operation ticket selected by the student from a preset live working operation ticket library, so that the student operates according to the live working operation ticket.
It should be noted that a preset live working operation ticket library may be established in advance, so as to provide a choice of live working operation tickets for the trainee.
And step 205, calculating the position information of the student in real time, and converting the position information into the three-dimensional coordinates of the virtual scene.
And step 206, driving the three-dimensional character model to move smoothly in the virtual scene based on the coordinate smooth movement algorithm.
And step 207, capturing the skeleton motion information of the student in real time through a preset motion capture device, converting the skeleton motion information into a three-dimensional character model, and driving the three-dimensional character model to perform the same motion posture as the student.
It should be noted that the conversion of the position information of the student and the conversion of the action posture information are carried out simultaneously, the position information of the student is calculated in real time by positioning the real prop and positioning the human body, the position information of the student is converted into a three-dimensional coordinate of a virtual scene, and a coordinate smooth moving algorithm is utilized to drive a virtual three-dimensional character model to move smoothly in the virtual three-dimensional scene; meanwhile, bone motion information of the student is collected in real time through the moving and capturing device, the bone motion information of the student is converted into bones of the virtual three-dimensional character model, and the virtual three-dimensional character model is driven to act.
And step 208, if the operation request is in a training mode, providing visual operation guidance based on virtual reality for the student according to the action posture in real time according to the preset knowledge point library, if the operation request is in an evaluation mode, displaying the operation scene and operation process knowledge point information of the live-line operation ticket to the student, comparing the action posture of the student with the live-line operation standard action posture of the preset examination point library in real time, evaluating whether the action posture of the student is qualified or not according to the comparison result in real time, and performing acousto-optic alarm and triggering accident three-dimensional animation caused by the action posture when the comparison result shows that unsafe action exists.
It should be noted that, in the training mode, the knowledge point information of the operation scene and the operation process is displayed to the trainee through the virtual reality device, the knowledge point information may include visual forms such as videos and animations, and the trainee interacts with the virtual world through the virtual interaction module. During live-line operation, the action posture of the student is compared with the standard action posture of live-line operation of a preset knowledge point library in real time, the normalized information of the action of the student is displayed in real time, and acousto-optic alarm is given and accident three-dimensional animation is triggered aiming at unsafe actions.
And in the examination mode, examining the students in real time in the process of simulating the operation of the students according to a preset examination point library. The real-time assessment trainees display operation scenes and operation process assessment feedback information to the trainees through virtual reality equipment, examination points comprise visual assessment forms such as videos and animations, and the trainees interact with virtual designs through a virtual interaction module. When the live-line work operation is examined, the action posture of a student is compared with the standard action posture of the live-line work of a preset examination point library in real time, whether the action of the student is qualified or not is examined in real time, and accident three-dimensional animation is triggered aiming at unsafe actions.
Referring to fig. 3 and 4, an embodiment of a transformer substation live-line work training system based on dynamic capture and virtual reality is provided in the present application, including a virtual reality system, a real prop positioning system, and a transformer substation live-line work training system;
the virtual reality system is used for constructing a virtual scene of live-line work, positioning and registering a real prop scene of the real prop positioning system with the virtual scene, and generating a three-dimensional character model of a student wearing preset virtual reality equipment and preset motion capture equipment in the virtual scene when the student enters the real prop scene;
the real prop positioning system comprises a real prop scene and a positioning system, and the positioning system is used for carrying out label positioning on the real prop scene;
the transformer substation live-line work training system is used for responding to a work request, extracting a live-line work operation ticket selected by a student from a preset live-line work operation ticket library, enabling the student to work according to the live-line work operation ticket, driving a three-dimensional character model to perform an action posture the same as that of the student according to the position and the action posture of the student, providing visual work guidance based on virtual reality for the student according to the action posture in real time of a preset knowledge point library if the work request is in a training mode, and quantitatively evaluating the action posture of the student according to a preset examination point library if the work request is in an evaluation mode.
Further, the virtual reality system comprises a virtual reality device, a preset motion capture device and a registration control module;
the virtual reality equipment is used for displaying the virtual scene and providing a virtual reality interaction interface;
the preset motion capture equipment is used for responding to the motion posture of the college, acquiring the motion data of the student and processing the motion data;
the registration control module is used for acquiring the three-dimensional coordinates of the positioning tags of the trainees in real time, converting the three-dimensional coordinates into coordinate information of a virtual scene, driving the three-dimensional character model to move smoothly in the virtual scene based on a coordinate smooth movement algorithm, converting the skeleton motion information of the trainees into the three-dimensional character model, and driving the three-dimensional character model to perform the same action posture as the trainees.
Further, the transformer substation live working training system comprises a transformer substation working scene display module, an operation ticket display module, a virtual character display module, a training module and an examination module;
the training module is used for providing visual operation guidance based on virtual reality for the trainees according to the action posture in real time according to a preset knowledge point library if the operation request is in a training mode;
the examination module is used for quantitatively examining the action posture of the student in real time according to a preset examination point library if the operation request is in an examination mode;
the transformer substation operation scene display module is used for controlling the virtual reality equipment to display the virtual scene;
the operation ticket display module is used for displaying live-wire work operation tickets in the virtual reality equipment;
the virtual character display module is used for controlling the display of the three-dimensional character in the virtual scene;
the training module is used for providing visual operation guidance based on virtual reality for the trainees according to the action posture in real time according to a preset knowledge point library if the operation request is in a training mode;
and the examination module is used for quantitatively examining the action posture of the student in real time according to a preset examination point library if the operation request is in an examination mode.
It should be noted that, as shown in fig. 3 and 4, the transformer substation live working training system in the embodiment of the present application may be composed of a virtual reality system, a real prop positioning system, and a transformer substation live working training system. Wherein the virtual reality system comprises the virtual reality device, the preset motion capture device and a registration control module; the real prop positioning system comprises a real prop scene and a positioning system, wherein the positioning system consists of a plurality of positioning base stations, a plurality of positioning labels and a positioning program; the transformer substation live-wire work training system is composed of a virtual scene display module, an operation order display module, a virtual character display module, a training module and an examination module. The virtual reality system and the positioning system are connected with the transformer substation live-line work training system through a high-speed wired network, the virtual reality equipment and the preset motion capture equipment are connected with the registration control module through a high-speed wireless network, and the positioning base station is connected with the positioning tag and the positioning base station is connected with the positioning program through a high-speed wireless network.
The virtual reality equipment of this embodiment can select for use any money to provide virtual reality glasses and virtual interaction equipment's virtual reality equipment. Any motion capture device supporting high-quality motion capture data providing delicate movements of the user from one arm, to the whole body, to a finger can be selected as the motion capture device of the embodiment. The positioning system of the embodiment can adopt any wireless positioning system meeting centimeter-level positioning accuracy.
The positioning system deploys a plurality of positioning base stations in a positioning area, and then calculates the distance from each positioning tag to the positioning base station by a positioning program, so as to calculate the space coordinate of the positioning tag.
The following provides a specific transformer substation live-line work training system application example based on dynamic capture and virtual reality, and a specific implementation mode is required for a key operation process of live-line replacement of a self-explosion insulator and actions of equipotential personnel entering and exiting a 500kV transformer substation 500kV field, and the following steps are as follows:
the first step is as follows: constructing a virtual scene and a personnel three-dimensional character model for live replacement of a self-explosion insulator in a 500kV transformer substation 500kV field; building a real prop scene of the insulator string, wherein the real prop scene adopts a steel frame to support a 500kV insulator string, and a safety protection rope guide rail is additionally arranged right above the insulator string; deploying a positioning system in a real prop scene; positioning labels are arranged at the positions of link plates at two ends of an insulator string in a real prop scene of the insulator string and are respectively marked as D1# and D2#, and a registration control module of the system guides a user to register the positions of the real insulator string and the insulator string in a virtual scene; the positioning system is registered with the virtual scene.
The second step is that: and establishing an operation ticket library, a knowledge library and an examination point library for the live replacement of the self-explosion insulator in a 500kV field of the 500kV transformer substation. In particular, the equipotential personnel action attitude criteria for the task ingress and egress include: 1) entering equipotential attitude specification: the two hands and the feet of the person cross over the insulator string by no more than 3 pieces, and the same hand and the same foot transversely move to the defect position; 2) the safety distance between a person and a surrounding charged body is standardized: 3.6 m; 3) exiting the equipotential attitude specification: the operator crosses over the insulator chain by two hands and feet and does not exceed 3 pieces, and the operator moves to the cross arm with the same hand and feet. And aiming at the standards, configuring corresponding knowledge points and assessment points in a virtual scene, wherein the knowledge points and the assessment points comprise theoretical assessment points and assessment points related to the standard motion attitude and the operation safety distance of the live working personnel of the transformer substation based on virtual reality.
The third step: and (4) simulating the operation of the student in the virtual and real prop scenes according to the operation ticket. According to the operation order, the operation simulation training steps mainly comprise: the method comprises the steps of obtaining tools in a tool room, checking whether the tools are qualified or not, confirming a working environment on a working site, arriving at a working area, entering the defect position of the equipotential insulator, installing a clamp, replacing the insulator, recovering the load of the insulator string, dismantling a tool by an operator, exiting from the equipotential, and finishing evaluation. A trainee wears virtual reality glasses to enter a live-line work training system of a transformer substation, the system displays a virtual work scene in the virtual reality glasses through a virtual scene display module, the trainee interacts with a virtual world through a virtual reality interaction module, the trainee selects ' 500kV transformer substation 500kV field live-line replacement of a key work flow of a self-explosion insulator and an emulation training courseware required for entering and exiting equipotential personnel actions ' through the virtual reality interaction module ', the trainee enters a training mode through the training module or enters an examination mode through the examination module, and the system displays an operation ticket of the operation in the virtual reality glasses through an operation ticket display module.
The fourth step: the system guides the trainees to finish training or examination according to the operation simulation training steps. Particularly, after the trainee finishes the step of 'reaching the working area', the system prompts the trainee to wear the whole body motion capture device, the system registration control module guides the trainee to finish the registration of the three-dimensional model of the live-line virtual worker with the motion capture equipment and the virtual reality glasses, and the system guides the trainee to wear a person positioning label which is marked as D3 #. Then, the trainees enter a real prop scene of the insulator string, the system positioning data processing module acquires the D3# coordinates of the person positioning tags in real time, calculates the relative positions of the D3# and the D1# and the D2# in real time, and then transmits the converted coordinate information to the virtual character display module. The system motion capture data processing module acquires the personnel motion attitude information fed back by the motion capture equipment in real time, converts the personnel motion attitude information into virtual character attitude information and feeds the virtual character attitude information back to the virtual character display module.
The fifth step: the system provides visual guidance or assessment based on virtual reality for the trainees in real time according to the knowledge point library or the examination point library.
In a training mode: the system shows knowledge point information of an operation scene and an operation process to a student through virtual reality glasses, wherein the knowledge point information comprises visual forms such as videos and animations. Particularly, when live working is carried out, the system compares the action posture of the student with the standard action of the live working in real time, displays the normalized information of the action of the student in real time, and gives an audible and visual alarm and triggers accident three-dimensional animation aiming at unsafe actions.
In the assessment mode: the system examines the students in real time in the process of simulating the operation of the students according to the examination point library. The real-time examination student is characterized in that the system shows the examination feedback information of the operation scene and the operation process to the student through virtual reality glasses, and examination points comprise visual examination forms such as videos and animations. Particularly, when the operation of live working is examined, the system compares the action posture of the student with the standard action of the live working in real time, and examines whether the action of the student is qualified or not in real time, and an accident three-dimensional animation is triggered aiming at unsafe actions.
In the several embodiments provided in the present application, it should be understood that the disclosed system and method may be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer system (which may be a personal computer, a server, or a network system) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A transformer substation live-line work training method based on dynamic capture and virtual reality is characterized by comprising the following steps:
constructing a virtual scene and a real prop scene of live working;
after the real prop scene is positioned, registering the real prop scene with the virtual scene;
when a student wearing preset virtual reality equipment and preset motion capture equipment enters the real prop scene, generating a three-dimensional character model of the student in the virtual scene;
responding to a job request, extracting a live working operation ticket selected by the student from a preset live working operation ticket library, and enabling the student to carry out job according to the live working operation ticket;
driving the three-dimensional character model to perform the same action posture as the student according to the position and the action posture of the student;
if the operation request is in a training mode, providing visual operation guidance based on virtual reality for the student according to the action posture in real time according to a preset knowledge point library;
and if the operation request is in an assessment mode, quantitatively assessing the action posture of the student in real time according to a preset examination point library.
2. The transformer substation live-wire work training method based on dynamic capture and virtual reality as claimed in claim 1, further comprising:
and constructing the preset live-wire work operation ticket library, the preset knowledge point library and the preset examination point library.
3. The transformer substation live-line work training method based on dynamic catching and virtual reality as claimed in claim 1, wherein the live-line work virtual scene and the real prop scene are constructed according to a ratio of 1: 1.
4. The transformer substation live-line work training method based on motion capture and virtual reality as claimed in claim 1, wherein when a trainee wearing preset virtual reality equipment and preset motion capture equipment enters the real prop scene, a three-dimensional character model of the trainee is generated in the virtual scene, and the method comprises the following steps:
when a student wearing preset virtual reality equipment and preset motion capture equipment enters the real prop scene, skeleton-level modeling is carried out on the student through the preset motion capture equipment, and a three-dimensional character model of the student is generated in the virtual scene according to the ratio of 1: 1.
5. The live working training method of the transformer substation based on the kinetic capture and the virtual reality as claimed in claim 4, wherein the driving the three-dimensional character model to perform the same action posture as the student according to the position and the action posture of the student comprises:
calculating the position information of the student in real time, and converting the position information into the three-dimensional coordinates of the virtual scene;
driving the three-dimensional character model to move smoothly in the virtual scene based on a coordinate smooth movement algorithm;
capturing skeleton motion information of the student in real time through the preset motion capturing equipment, converting the skeleton motion information into the three-dimensional character model, and driving the three-dimensional character model to perform the same motion posture as the student.
6. The transformer substation live-wire work training method based on kinetic capture and virtual reality according to claim 1, wherein the visual work guidance comprises:
displaying the operation scene and operation process knowledge point information of the live working operation ticket to the student;
and comparing the action posture of the student with the live working standard action posture of a preset knowledge point library in real time, displaying the action normalized information of the student in real time according to a comparison result, and performing acousto-optic alarm and triggering accident three-dimensional animation caused by the action posture when the comparison result shows that unsafe actions exist.
7. The transformer substation live-line work training method based on dynamic capture and virtual reality as claimed in claim 1, wherein if the work request is in an assessment mode, performing quantitative assessment on the action posture of the student according to a preset examination point library in real time, and the method comprises the following steps:
if the operation request is in an evaluation mode, displaying the operation scene and operation process knowledge point information of the live-wire operation order to the student, comparing the action posture of the student with the live-wire operation standard action posture of a preset examination point library in real time, evaluating whether the action posture of the student is qualified or not in real time according to a comparison result, and performing acousto-optic warning and triggering accident three-dimensional animation caused by the action posture when the comparison result shows that unsafe actions exist.
8. A transformer substation live-line work training system based on dynamic capture and virtual reality is characterized by comprising a virtual reality system, a real prop positioning system and a transformer substation live-line work training system;
the virtual reality system is used for constructing a virtual scene of live-line work, positioning and registering a real prop scene of the real prop positioning system with the virtual scene, and generating a three-dimensional character model of a student wearing preset virtual reality equipment and preset motion capture equipment in the virtual scene when the student enters the real prop scene;
the real prop positioning system comprises a real prop scene and a positioning system, and the positioning system is used for carrying out label positioning on the real prop scene;
the transformer substation live-line work training system is used for responding to a work request, extracting a live-line work operation ticket selected by a student from a preset live-line work operation ticket library, enabling the student to work according to the live-line work operation ticket, driving the three-dimensional character model to perform an action posture the same as that of the student according to the position and the action posture of the student, if the work request is in a training mode, providing visual work guidance based on virtual reality for the student according to the action posture in real time according to a preset knowledge point library, and if the work request is in an assessment mode, quantitatively assessing the action posture of the student according to a preset examination point library in real time.
9. The transformer substation live-working training system based on kinetic capture and virtual reality according to claim 8, wherein the virtual reality system comprises the virtual reality device, the preset motion capture device and a registration control module;
the virtual reality equipment is used for displaying the virtual scene and providing a virtual reality interaction interface;
the preset motion capture equipment is used for responding to the motion posture of the college, acquiring the motion data of the student and processing the motion data;
the registration control module is used for acquiring the three-dimensional coordinates of the positioning tags of the trainees in real time, converting the three-dimensional coordinates into the coordinate information of the virtual scene, driving the three-dimensional character model to move smoothly in the virtual scene based on a coordinate smooth movement algorithm, converting the bone motion information of the trainees into the three-dimensional character model, and driving the three-dimensional character model to perform the same action posture as the trainees.
10. The live-wire work training system based on dynamic capture and virtual reality as claimed in claim 9, wherein the live-wire work training system comprises a transformer substation work scene display module, an operation ticket display module, a virtual character display module, a training module and an assessment module;
the training module is used for providing visual operation guidance based on virtual reality for the trainee according to the action posture in real time according to a preset knowledge point library if the operation request is in a training mode;
the assessment module is used for quantitatively assessing the action posture of the student in real time according to a preset examination point library if the operation request is in an assessment mode;
the transformer substation operation scene display module is used for controlling the virtual reality equipment to display the virtual scene;
the operation ticket display module is used for displaying the live working operation ticket in the virtual reality equipment;
the virtual character display module is used for controlling the display of the three-dimensional character in the virtual scene;
the training module is used for providing visual operation guidance based on virtual reality for the trainee according to the action posture in real time according to a preset knowledge point library if the operation request is in a training mode;
and the assessment module is used for quantitatively assessing the action posture of the student in real time according to a preset examination point library if the operation request is in an assessment mode.
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