CN110796915A - Automatic VR (virtual reality) machine training system and method according to big data - Google Patents
Automatic VR (virtual reality) machine training system and method according to big data Download PDFInfo
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- CN110796915A CN110796915A CN202010003315.7A CN202010003315A CN110796915A CN 110796915 A CN110796915 A CN 110796915A CN 202010003315 A CN202010003315 A CN 202010003315A CN 110796915 A CN110796915 A CN 110796915A
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Abstract
The invention discloses an automatic VR (virtual reality) machine training system and a training method according to big data, and relates to the technical field of virtual reality-based training, wherein the training system comprises a computer, a virtual reality wireless head-mounted display, a wireless wearable controller, a vehicle simulator, a cloud server and space positioning equipment, a unity3D engine is used for building an interactive scene, five training modules including a pre-navigation training module, a post-station training module, a tire changing module and a special vehicle driving module are arranged, and the five training modules are all provided with teaching, training and checking modes, so that training personnel can perform teaching and learning experience in a training simulation system, the training personnel can complete training, in addition, data after each training is uploaded into a big database through the cloud server, the training system can automatically make training contents for the training personnel to perform later training after analysis of the big database, and the existing training method is low in efficiency, too long training period and too high training cost.
Description
Technical Field
The invention relates to the technical field of training based on virtual reality, in particular to an automatic VR (virtual reality) locomotive training system and method based on big data.
Background
At present, with the continuous improvement of the comprehensive national power and the continuous progress of science and technology in China, the civil aviation industry develops rapidly, each large airline company continuously enlarges the scale of the airplane, and simultaneously opens up more and more new airlines, and with the continuous acceleration of the introduction speed of new airplanes, the crew members are more and more scarce, and the necessary for the crew members is not only the theoretical knowledge and English learned in books, but also the accumulation of practical work experience and the culture of good crew member maintenance wind, so the training of the crew members is very important; the existing training system and training method are high in cost (an airline needs to provide enough parts for the airline to practice the flight); in addition, the training content for the crew is more, and the training period is greatly prolonged due to the low efficiency of the existing training system and the existing training method.
Disclosure of Invention
In order to solve the problems in the prior art, the invention establishes models in one-to-one multiple states by collecting check points needing to be checked by tires passing through the station before and after the aircraft drives and detailed information and data of special vehicles in an airport by using 3ds Max or Maya according to the information and the data, builds an interactive scene by using a unity3D engine, and divides the models into five modules of special vehicles which need to be checked before, after driving, passing through the station, changing tires and driving according to the division of the engineering practical training. When the practical training is started, the information and steps of the check points with random states are presented to a computer screen in a multimedia mode, then the computer end is transmitted to a display screen in a virtual reality wireless head-mounted display, practical training personnel can reproduce the problem that the real life is difficult to reproduce in an immersive mode, and the problems that the training period is too long and the training cost is too high in the existing practical training method are solved. The training personnel can train more conveniently, more quickly and more effectively.
The invention specifically adopts the following technical scheme:
one of the purposes of the invention is to provide an automatic VR (virtual reality) mechanical training system according to big data, which comprises a computer, a virtual reality wireless head-mounted display, a wireless wearable controller, a vehicle simulator, a cloud server and space positioning equipment, wherein the vehicle simulator is electrically connected with the computer, the virtual reality wireless head-mounted display is provided with two display screens, and a plurality of laser receiving sensors are arranged in the virtual reality head-mounted display and the wireless wearable controller; the space positioning equipment comprises a plurality of laser transmitters, a plurality of laser receiving sensors receive laser signals transmitted by the plurality of laser transmitters, and the virtual reality head-mounted display and the wireless wearable controller obtain a three-dimensional coordinate through calculation according to the received laser signals and send the three-dimensional coordinate to the computer for positioning and tracking; the cloud server is electrically connected with a computer through a network, the cloud server is provided with a big database, a practical training module used for training crew is arranged in the computer, and relevant data of the practical training module can be stored in the big database.
The practical training module comprises a practical training module for the winding inspection before the flight, a practical training module for the winding inspection after the flight, a practical training module for the passing inspection, a practical training module for the inspection and replacement of airplane tires and a practical training module for special vehicles in a simulated piloting airport; the pre-flight winding machine inspection practical training module, the post-flight winding machine inspection practical training module, the station-crossing inspection practical training module, the aircraft tire inspection and replacement practical training module and the special vehicle practical training module at the simulated piloting airport comprise a teaching mode, a practice mode and an assessment mode; real standard module of winding machine inspection before the aviation the real standard module of winding machine inspection after the aviation all includes regional inspection module of aircraft nose, preceding fuselage region inspection module, regional inspection module of engine, big wing region inspection module, undercarriage inspection module, wheel well region inspection module, the regional inspection module of back fuselage, the regional inspection module of tail, the regional inspection module of cargo hold, cockpit region inspection module, the regional inspection module of passenger cabin, regional inspection module of aircraft nose, regional inspection module under the aircraft, real standard module of inspection includes travel personnel inspection signing module and external environment or object inspection module of standing by the real standard module of inspection.
The invention also aims to provide a practical training method based on the automatic VR machine practical training system according to big data, which comprises the following steps:
s1: the training person logs in the system and selects whether training needs to make a training direction or not;
s2: when the practical training direction needs to be formulated is selected, the practical training direction obtained by analyzing the relevant data of the practical training personnel stored in the big database is determined as the practical training module and the practical training mode; the practical training module comprises a practical training module for the inspection of the winding machine before the flight, a practical training module for the inspection of the winding machine after the flight, a practical training module for the inspection of the passing station, a practical training module for the inspection and replacement of airplane tires and a practical training module for special vehicles in a simulated piloting airport; the pre-flight winding machine inspection practical training module, the post-flight winding machine inspection practical training module, the station-crossing inspection practical training module, the aircraft tire inspection and replacement practical training module and the special vehicle at the simulated piloting airport all comprise a teaching mode, a practice mode and an assessment mode;
when the practical training direction is selected without making a practical training direction, the practical training person can select the practical training module and the practical training mode;
s3: training the training person according to the training module;
s4: and storing relevant data of the practical training in a big database after the practical training is finished.
A further scheme is that in the teaching mode of the pre-flight winding machine inspection practical training module, in the teaching mode of the post-flight winding machine inspection practical training module and in the teaching mode of the station-crossing inspection practical training module in S2, an object to be inspected is added with external light and UI prompt information is triggered by clicking;
prompt information does not exist in the training mode of the pre-flight winding machine inspection training module, the training mode of the post-flight winding machine inspection training module and the training mode of the station crossing inspection training module, the training personnel is required to inspect according to inspection items on the UI work card and judge the real-time state of the inspection point, if the judgment is wrong, the training personnel is informed of the judgment error through red character display, and the information of the inspection point is displayed near the inspection point through the UI;
in the pre-flight winding machine inspection practical training module assessment mode, the post-flight winding machine inspection practical training module assessment mode and the station-crossing inspection practical training module assessment mode, practical training personnel need to complete assessment and perform appraising processing within specified time, meanwhile, data such as error points and completion time in assessment are uploaded to a large database in a cloud server, and the cloud server can process and analyze the data.
Further, in the teaching mode of the airplane tire checking and replacing training module in the S2, the possible problems of the tire, the reasons for the problems, and the operation steps of detaching and replacing the tire with problems are displayed together through the UI;
in the practice mode of the airplane tire checking and replacing practice module, a certain tire is randomly activated, a practice training personnel checks whether the tire has a problem, and if the check result shows that the tire has the problem, the practice training personnel detaches and replaces the tire; if the operation steps are wrong in the process of disassembling and replacing the tire, the practical training personnel give out a wrong prompt to inform the practical training personnel;
in the examination mode of the aircraft tire checking and replacing training module, when a training worker has errors in operation steps in the tire checking and replacing process, examination is finished, relevant data are uploaded to a large database in a cloud server, and the cloud server processes and analyzes the data.
The further scheme is that the driving method of the special vehicle in the teaching mode of the simulation driving airport special vehicle training module in the S2 informs the training personnel through UI prompt, and the task required to be completed by driving the special vehicle is prompted step by step;
in the practice mode of the practice module for simulating the driving of the airport special vehicle, no prompt appears before practice, a practical training person simulates driving of the special vehicle and completes related tasks, and the practical training person is informed of operation errors in the practice process through an error prompt;
in the assessment mode of the simulation driving airport special vehicle training module, a training worker simulates driving a special vehicle within a specified time to complete related tasks without violating related traffic rules, and after assessment is finished, related data are uploaded to a large database in a cloud server, and the cloud server can process and analyze the data.
Further, the check points are all provided with three state checks of damage, loss and foreign matter, and the three state checks can be activated randomly.
The invention has the beneficial effects that:
according to the invention, check points needing to be checked for the tires of the airplane passing through the station before and after the flight and detailed information and data of special vehicles at the airport are collected, models in one-to-one multiple states are established by using 3ds Max or Maya according to the information and the data, an interactive scene is established by using a unity3D engine, and five modules of special vehicles which are before, after the flight, passing through the station, changing the tires and driving are divided by means of the modules according to the division of the engineering training. When the practical training is started, the information and steps of the check points with random states are presented to a computer screen in a multimedia mode, then the computer end is transmitted to a display screen in a virtual reality wireless head-mounted display, practical training personnel can reproduce the problem that the real life is difficult to reproduce in an immersive mode, and the problems that the training period is too long and the training cost is too high in the existing practical training method are solved. Training personnel can train more conveniently, more quickly and more effectively;
the data after each practical training is uploaded to the big database through the cloud server, and the practical training system can provide formulated practical training for practical training personnel to carry out later-stage targeted practical training after the big database is processed and analyzed, so that the practical training efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an automated VR engineering training system according to big data in embodiment 1 of the present invention;
fig. 2 is a flowchart of an automated VR engineering training method according to big data in embodiment 2 of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1: automatic VR (virtual reality) machine training system according to big data
As shown in fig. 1, an embodiment 1 of the present invention discloses an automatic VR engineering training system according to big data, which includes a computer, a virtual reality wireless head-mounted display, a wireless wearable controller, a vehicle simulator, a cloud server, and a spatial positioning device, wherein the vehicle simulator is electrically connected to the computer, the virtual reality wireless head-mounted display is provided with two display screens, and a plurality of laser receiving sensors are disposed in the virtual reality head-mounted display and the wireless wearable controller; the space positioning equipment comprises a plurality of laser transmitters, a plurality of laser receiving sensors receive laser signals transmitted by the plurality of laser transmitters, and the virtual reality head-mounted display and the wireless wearable controller obtain a three-dimensional coordinate through calculation according to the received laser signals and send the three-dimensional coordinate to the computer for positioning and tracking; the cloud server is electrically connected with the computer through a network, the cloud server is provided with a large database, a training module for training crew is arranged in the computer, and relevant data of the training module can be stored in the large database. The model is built through 3ds Max and Maya engines, and the script is written through C # or JS language; the method comprises the steps that a model is dragged into a scene to be well arranged, a script is mounted on an object needing interaction to realize interaction, a virtual reality wireless head-mounted display, a wireless wearable handle and a computer are connected through SteamVR, a vehicle simulator and the computer are connected through driving, a virtual world of a three-dimensional space is generated through computer simulation, simulation of sense organs such as vision, hearing and touch of a user is provided, a real training person builds a brand new world through a picture rendered in real time by the virtual reality wireless head-mounted display, and the real training person can accumulate practical work experience and good mechanical maintenance work wind in the world;
the vehicle simulator is provided with an optical engine capable of capturing fine actions of a steering wheel, a double-motor force feedback technology, a six-front-speed hand-row shift lever, a metal accelerator, a brake pedal, a clutch pedal and the like, and can simulate the driving of special vehicles in airports. The wireless wearable controller moves in space and interacts with objects in the field of view.
The virtual reality wireless head mounted display includes a lens, a display screen, a magnetometer, an accelerometer, a gyroscope, and a position sensor. The lens uses a special fresnel lens to achieve the same effect as a bulk curved lens by using a thin, circular prism array. Each screen shows a slightly shifted image for each eye, and the brain of the training person will automatically "glue" them together into an image and create an illusion of depth in the process; the gyroscope can track small offsets along one axis to provide more accurate object rotation information. The magnetometer can measure the magnetic field of the earth and can ensure that the correct position is pointed. The accelerometer is used to detect acceleration in one axis at neutral, which lets the helmet know the speed of movement of an object.
In this embodiment 1, the practical training module includes a practical training module for pre-flight winding inspection, a practical training module for post-flight winding inspection, a practical training module for station-crossing inspection, a practical training module for inspecting and replacing aircraft tires, and a practical training module for special vehicles in a simulated piloting airport; the training module for the pre-flight winding machine inspection, the training module for the post-flight winding machine inspection, the training module for the station-crossing inspection, the training module for inspecting and replacing airplane tires and the training module for special vehicles in the simulated piloting airport comprise a teaching mode, a practice mode and an examination mode; real standard module of winding machine inspection before the aviation, real standard module of winding machine inspection after the aviation all includes aircraft nose region inspection module, preceding fuselage region inspection module, engine region inspection module, big wing region inspection module, undercarriage inspection module, wheel well region inspection module, back fuselage region inspection module, tail region inspection module, cargo hold region inspection module, cockpit region inspection module, cabin region inspection module, machine outer region inspection module, machine lower region inspection module, real standard module of checking of passing a stop includes that trip personnel inspect signature module and external environment or object inspection module. According to the division of the engineering training, the training personnel can complete the whole set of engineering training by means of dividing the training into 5 large modules of pre-aviation, post-aviation, station passing, tire changing and special vehicle driving through the modules.
Example 2: automatic VR (virtual reality) machine training method according to big data
As shown in fig. 2, an embodiment 2 of the present invention discloses a practical training method of an automated VR engineering practical training system according to big data according to embodiment 1, which includes the following steps:
s1: the training person logs in the system and selects whether training needs to make a training direction or not;
s2: when the practical training direction needs to be formulated is selected, the practical training direction obtained by analyzing the relevant data of the practical training personnel stored in the big database is determined as the practical training module and the practical training mode; the practical training module comprises a practical training module for the inspection of the winding machine before the flight, a practical training module for the inspection of the winding machine after the flight, a practical training module for the inspection of the passing station, a practical training module for the inspection and replacement of airplane tires and a practical training module for special vehicles in a simulated piloting airport; the training module for the pre-flight winding machine inspection, the training module for the post-flight winding machine inspection, the training module for the station-crossing inspection, the training module for inspecting and replacing airplane tires and the special vehicle for simulating a piloting airport comprise a teaching mode, a practice mode and an assessment mode; when the practical training direction is selected without making a practical training direction, a practical training person can select a practical training module and a practical training mode by himself;
s3: training the training person according to the training module;
s4: and storing relevant data of the practical training in a big database after the practical training is finished.
In this embodiment 2, in the teaching mode of the pre-flight winding inspection practical training module, the teaching mode of the post-flight winding inspection practical training module, and the teaching mode of the station-crossing inspection practical training module in S2, the object to be inspected is added with external light and the UI prompt information is triggered by clicking; prompting information does not exist in the training mode of the pre-flight winding machine inspection training module, the training mode of the post-flight winding machine inspection training module and the training mode of the over-station inspection training module, the training personnel is required to inspect according to inspection items on the UI work card and judge the real-time state of the inspection point, if the judgment is wrong, the training personnel is informed of the judgment error through red character display, and the information of the inspection point is displayed near the inspection point through the UI; training personnel in the pre-flight winding machine inspection training module checking mode, the post-flight winding machine inspection training module checking mode and the station-crossing inspection training module checking mode need to complete checking and appraising processing within specified time, meanwhile, data such as error points and finishing time in checking are uploaded to a large database in a cloud server, and the cloud server can process and analyze the data. The checking simulation training of the checking points is completed through VR equipment, so that the practical training personnel can more quickly master the flow steps of pre-navigation, post-navigation and checking when passing the station, and the seamless butt joint from teaching training to actual operation is realized.
In this embodiment 2, in the teaching mode of the training module for checking and replacing aircraft tires described in S2, the possible problems of tires, the reasons for the problems, and the operation steps of detaching and replacing the problematic tires are shown together through the UI; in the practice mode of the airplane tire checking and replacing practice module, a certain tire is randomly activated, a practice training personnel checks whether the tire has a problem, and if the check result shows that the tire has the problem, the practice training personnel detaches and replaces the tire; if the operation steps are wrong in the process of disassembling and replacing the tire, the practical training personnel give out a wrong prompt to inform the practical training personnel; in the examination mode of the aircraft tire checking and replacing training module, when the training personnel have errors in the operation steps in the tire checking and replacing process, the examination is finished, and the related data is uploaded to a large database in a cloud server, wherein the cloud server can process and analyze the data. The simulation training of checking and changing aircraft tires is completed through VR equipment, the problems possibly occurring in the tires are fully known, the operation flow of changing the problematic tires is mastered, and the seamless butt joint from teaching to actual operation is realized.
In this embodiment 2, the driving method of the special vehicle in the teaching mode of the airport special vehicle simulation training module in S2 informs the training staff through UI prompt, and the task to be completed for driving the special vehicle is prompted step by step; the practical training personnel simulate to drive the special vehicle and complete related tasks, and inform the practical training personnel through error prompt if operation errors occur in the practice process; in the assessment mode of the practical training module for the special vehicle in the simulated driving airport, the practical training personnel can simulate driving the special vehicle within the specified time to complete related tasks without violating related traffic rules, after assessment is finished, related data are uploaded to a large database in a cloud server, and the cloud server can process and analyze the data. The simulation training of airport special vehicles is completed through the vehicle simulator and the VR equipment, and training personnel can more quickly master the operation process of the special vehicles, the container loading and unloading skills, the opening and closing operation of the cargo hold door and the operation skills of a cargo hold cabin internal system. Therefore, seamless connection from teaching and training to actual operation is realized, and driving license examination training can be realized.
In this embodiment 2, the check points are all provided with three status checks of damage, loss, and foreign object, which can be activated randomly. A check of the diversity of checkpoint states is achieved.
Finally, only specific embodiments of the present invention have been described in detail above. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an automatic real standard system of VR machine affairs according to big data which characterized in that:
the system comprises a computer, a virtual reality wireless head-mounted display, a wireless head-mounted controller, a vehicle simulator, a cloud server and space positioning equipment, wherein the vehicle simulator is electrically connected with the computer, the virtual reality wireless head-mounted display is provided with two display screens, and a plurality of laser receiving sensors are arranged in the virtual reality head-mounted display and the wireless head-mounted controller; the space positioning equipment comprises a plurality of laser transmitters, a plurality of laser receiving sensors receive laser signals transmitted by the plurality of laser transmitters, and the virtual reality head-mounted display and the wireless wearable controller obtain a three-dimensional coordinate through calculation according to the received laser signals and send the three-dimensional coordinate to the computer for positioning and tracking;
the cloud server is electrically connected with a computer through a network, the cloud server is provided with a big database, a practical training module used for training crew is arranged in the computer, and relevant data of the practical training module can be stored in the big database.
2. The automated VR mechanic training system of claim 1 based on big data, wherein:
the practical training module comprises a practical training module for the inspection of the winding machine before the flight, a practical training module for the inspection of the winding machine after the flight, a practical training module for the inspection of the passing station, a practical training module for the inspection and replacement of airplane tires and a practical training module for special vehicles in a simulated piloting airport; the pre-flight winding machine inspection practical training module, the post-flight winding machine inspection practical training module, the station-crossing inspection practical training module, the aircraft tire inspection and replacement practical training module and the special vehicle practical training module at the simulated piloting airport comprise a teaching mode, a practice mode and an assessment mode;
real standard module of winding machine inspection before the aviation the real standard module of winding machine inspection after the aviation all includes regional inspection module of aircraft nose, preceding fuselage region inspection module, regional inspection module of engine, big wing region inspection module, undercarriage inspection module, wheel well region inspection module, the regional inspection module of back fuselage, the regional inspection module of tail, the regional inspection module of cargo hold, cockpit region inspection module, the regional inspection module of passenger cabin, regional inspection module of aircraft nose, regional inspection module under the aircraft, real standard module of inspection includes travel personnel inspection signing module and external environment or object inspection module of standing by the real standard module of inspection.
3. A practical training method suitable for the practical training system of any one of claims 1-2, characterized in that: the method comprises the following steps:
s1: the training person logs in the system and selects whether training needs to make a training direction or not;
s2: when the practical training direction needs to be formulated is selected, the practical training direction obtained by analyzing the relevant data of the practical training personnel stored in the big database is determined as the practical training module and the practical training mode; the practical training module comprises a practical training module for the inspection of the winding machine before the flight, a practical training module for the inspection of the winding machine after the flight, a practical training module for the inspection of the passing station, a practical training module for the inspection and replacement of airplane tires and a practical training module for special vehicles in a simulated piloting airport; the pre-flight winding machine inspection practical training module, the post-flight winding machine inspection practical training module, the station-crossing inspection practical training module, the aircraft tire inspection and replacement practical training module and the special vehicle at the simulated piloting airport all comprise a teaching mode, a practice mode and an assessment mode;
when the practical training direction is selected without making a practical training direction, the practical training person can select the practical training module and the practical training mode;
s3: training the training person according to the training module;
s4: and storing relevant data of the practical training in a big database after the practical training is finished.
4. The training method of claim 3, wherein:
in the teaching mode of the pre-flight winding machine inspection practical training module, the teaching mode of the post-flight winding machine inspection practical training module and the teaching mode of the station-crossing inspection practical training module in the S2, the object to be inspected is added with external light and UI prompt information is triggered by clicking;
prompt information does not exist in the training mode of the pre-flight winding machine inspection training module, the training mode of the post-flight winding machine inspection training module and the training mode of the station crossing inspection training module, the training personnel is required to inspect according to inspection items on the UI work card and judge the real-time state of the inspection point, if the judgment is wrong, the training personnel is informed of the judgment error through red character display, and the information of the inspection point is displayed near the inspection point through the UI;
in the pre-flight winding machine inspection practical training module assessment mode, the post-flight winding machine inspection practical training module assessment mode and the station-crossing inspection practical training module assessment mode, practical training personnel need to complete assessment and perform appraising processing within specified time, meanwhile, data such as error points and completion time in assessment are uploaded to a large database in a cloud server, and the cloud server can process and analyze the data.
5. The training method of claim 3, wherein:
in the teaching mode of the airplane tire checking and replacing training module in the S2, the possible problems of the tire, the reasons for the problems and the operation steps of disassembling and replacing the tire with the problems are displayed together through a UI;
in the practice mode of the airplane tire checking and replacing practice module, a certain tire is randomly activated, a practice training personnel checks whether the tire has a problem, and if the check result shows that the tire has the problem, the practice training personnel detaches and replaces the tire; if the operation steps are wrong in the process of disassembling and replacing the tire, the practical training personnel give out a wrong prompt to inform the practical training personnel;
in the examination mode of the aircraft tire checking and replacing training module, when the training personnel have errors in the operation steps in the tire checking and replacing process, the examination is finished, and the related data is uploaded to a large database in a cloud server, wherein the cloud server can process and analyze the data.
6. The training method of claim 3, wherein:
the driving method of the special vehicle in the teaching mode of the simulation driving airport special vehicle training module in the S2 informs the training personnel through UI prompt, and the task required to be completed by driving the special vehicle is prompted step by step;
in the practice mode of the practice module for simulating the driving of the airport special vehicle, no prompt appears before practice, a practical training person simulates driving of the special vehicle and completes related tasks, and the practical training person is informed of operation errors in the practice process through an error prompt;
in the assessment mode of the simulation driving airport special vehicle training module, a training worker simulates driving a special vehicle within a specified time to complete related tasks without violating related traffic rules, and after assessment is finished, related data are uploaded to a large database in a cloud server, and the cloud server can process and analyze the data.
7. The practical training method according to claim 4, wherein:
the checkpoints are each provided with three state checks of damage, loss and foreign object, which can be activated at random.
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