KR102541767B1 - National competency standards based driving machine training system in virtual reality enviroment - Google Patents

Abstract

The present invention includes a simulator 200 for executing a safety education curriculum in which scenarios are organized for each NCS learning step related to driving machines and include elements for generating unexpected situations that may occur during driving; The management device 100 that receives practice data generated by inputting the learner's operation and movement from the simulator and the practice data received from the management device are compared with safety standard information that is a response standard for unexpected situation production elements Disclosed is an NCS-based virtual reality driving machine practice system that includes an operation server 300 that analyzes safety accident-causing behavior.

Description

Driving machine practice system for NCS-based virtual reality {NATIONAL COMPETENCY STANDARDS BASED DRIVING MACHINE TRAINING SYSTEM IN VIRTUAL REALITY ENVIROMENT}

The present invention relates to an NCS-based virtual reality driving machine practice system that provides a safety education curriculum in which scenarios are organized for each NCS learning step.

Driving machines are forklifts, cranes, ambulances, or motor graders, and are various machines that provide driving, and are manufactured in the form of simulators to provide driving mastery or safe practice.

Patent Document 1 described as prior art is a simulator related to a forklift, Patent Document 2 is a simulator related to a crane, and Patent Document 3 is a simulator related to an ambulance. However, patent documents have various problems as follows.

<About NCS-based simulator>

The National Competency Standards (NCS) is a systematized by the state by industry sector and level the contents of knowledge, technology, and literacy required to perform duties in the industrial field. The NCS learning module defines how to learn the operational capabilities necessary for beginners, intermediates, and advanced levels, such as knowledge and technology literacy to perform duties in the industrial field. And it consists of an actual machine. NCS learning module provides multi-stage learning stages to provide systematic learning training by level.

In the past, driving machine training for virtual reality was provided for obtaining a license, but there is a problem in that NCS-based driving machine training for virtual reality cannot be provided to sufficiently secure the skills necessary for practical operation or industrial field work.

For example, Patent Document 1 provides a simulation composed of a practice mode and an evaluation mode, and Patent Document 2 provides a simulation composed of a basic course, a specialized course, and a comprehensive course, so that the patent documents help in obtaining a driver's license. However, we do not provide NCS-based simulators to improve the skills required for practical operation or industrial field jobs.

<About event-based simulator>

In Patent Document 3, an instructor assigns a faulty situation of an abnormal driving machine through an instructor controller, and monitors a learner's ability to cope using a USB camera. However, Patent Document 3 does not consider unexpected situations due to changes in environmental conditions such as topography, temperature, or climate, and provides only unexpected situations related to defects in driving machines, thereby contributing to the improvement of the driving machine's job performance or safe driving ability. There is a problem that is reduced.

Patent Document 3 has a problem in that it does not provide an instructor-oriented educational environment such as an instructor controller and a USB camera, and does not provide an educational environment for learners. For example, Patent Document 3 simply monitors only the unexpected situation with a USB camera, fails to provide the learner with a simulation image to which the result value corresponding to the operation value of the driving means, the learner's movement, and the operation result is applied, so that the learner can detect the unexpected situation. There are problems that you can't check to see if you're dealing with them properly.

<About contingency relearning>

Conventionally, learning was provided only with organized scenarios, and there is a problem in that learning reorganized into vulnerable scenarios cannot be provided to learners.

Korean Patent Registration No. 10-1950698 Korean Patent Registration No. 10-1462407 Korean Patent Registration No. 10-1656936

In order to solve the above problems, the present invention provides an NCS-based virtual reality driving machine practice system for sufficiently securing the ability necessary for practical operation or industrial field work.

The present invention provides an NCS-based virtual reality driving machine practice system that provides learners with simulated images to which result values corresponding to operating values of driving means, learner's movements, and operating results are applied.

The present invention provides a driving machine training system that reorganizes scenarios related to safety accident-causing behaviors in scenarios for each stage of organized NCS learning and creates a safety education curriculum including scenarios reorganized for each learner.

In the driving machine practice system for NCS-based virtual reality according to an embodiment of the present invention for the above problem to be solved, a scenario is organized for each NCS learning step related to a driving machine, and an unexpected situation that can occur during driving is included. A simulator 200 for executing a safety education curriculum; The management device 100 that receives practice data generated by inputting the learner's operation and movement from the simulator and the practice data received from the management device are compared with safety standard information that is a response standard for unexpected situation production elements It includes an operation server 300 that analyzes safety accident-causing behavior, and the unexpected situation production elements include changes in environmental situation production elements and properties that produce defects in driving machines, and the operation server is configured for each NCS learning stage It is characterized by reorganizing scenarios related to safety accident-causing behavior in scenarios and creating a safety education curriculum including reorganized scenarios for each learner.

The operation server relearns for each learner including problem practice images corresponding to safety accident-causing behaviors extracted from practice data, cause information causing safety accident-causing behaviors in the problem practice images, and solution information for solving the causes. It can be characterized by generating information.

The operation server extracts the recorded time of virtual practice training from the practice data, calculates the expected remaining training time and training incentive by accumulating the recorded time of virtual practice training and actual training, and calculates the expected remaining training time and training incentive. It may be characterized in that the training progress information including is provided to the learner terminal.

The operation server analyzes the learner's safety accident-causing behavior to generate the learner's safety accident occurrence pattern, the simulator stores the learner's safety accident occurrence pattern, and sends an alarm when an operation value included in the safety accident occurrence pattern is received. can be printed out.

The management device controls the simulator when the operation time of the simulator ends or a set cycle arrives, transmits practice data and updates simulation data related to safety education curriculum, and deletes the practice data stored in the simulator when the transmission of practice data is completed. It can be characterized by doing.

In the present invention, by applying result values corresponding to unexpected situations as well as motion values and manipulation values to simulation images, learners can check the results of coping with unexpected situations and further enhance awareness of safety accidents.

The present invention can efficiently use the storage space of the simulator through the simulator management unit, provide data transmission when the operation time ends or a set period arrives, and can provide stable data transmission and reception, and can provide a learner's vulnerable scenario and It can contribute to the improvement of the learner's job ability by providing an update of the related safety education curriculum.

The present invention can learn relearning information through a learner terminal when a learner is located outside the practice area, and can learn with a reorganized scenario through a simulator when a learner is located in the practice area, so that the learner's driving habit can be quickly changed. There is a remarkable effect that can be supplemented.

1 is a block diagram showing an NCS-based virtual reality driving machine training system according to an embodiment of the present invention.
FIG. 2 is a block diagram showing the information using terminal/server of FIG. 1 in detail.
3 is an example illustrating a situation rendering element.
4 to 6 show attribute values of attributes related to topography.
Figure 7 is a block diagram showing the operation server of Figure 1 in detail.
8 is a block diagram showing the management device of FIG. 1 in detail.
FIG. 9 is a block diagram illustrating the management unit of FIG. 8 in detail.
FIG. 10 is a block diagram showing the simulator of FIG. 1 in detail.
FIG. 11 is a block diagram showing the details of the control unit and the storage unit of FIG. 10 .
12 is a block diagram showing the simulation control unit of FIG. 11 in detail.
FIG. 13 is a block diagram showing the details of the control unit and the output unit of FIG. 10 .
14 to 18 are examples showing a simulator for a motor grader of the present invention.
19 shows a component adjuster installed on the manipulator mount.
20 shows a component adjuster installed on the handle mount.
21 to 23 are for explaining gaze processing of the HMD sensed by the sensor unit.
24 is an example showing a driving course of a motor grader in a virtual practice space.
25 is an example showing the cutting stop of the motor grader in the virtual practice space.
26 is an example showing a reaction zone capable of recognizing the movement of a motor grader in a virtual practice space.
27 is a flowchart illustrating a method of providing a safety education curriculum for practicing motor grader division operations.
28 is a flowchart illustrating a course evaluation method of a motor grader.
29 is a flowchart illustrating a method for evaluating the cutting stop of a motor grader.
30 is a flowchart illustrating an operation method of a driving machine training system according to an embodiment of the present invention.
31 is a flowchart illustrating a method of operating a simulator according to an embodiment of the present invention.
32 is a flowchart illustrating a method for creating an unexpected situation according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited by the embodiments.

The driving machine is a forklift, crane, ambulance or motor grader, and various machines that provide driving, but are not limited thereto. In the present invention, a motor grader will be described as an example of a driving machine.

1 is a block diagram showing a driving machine training system for NCS-based virtual reality according to an embodiment of the present invention. The NCS-based driving machine training system 10 for virtual reality includes a management device 100, a simulator 200 and It includes an operation server 300. One or more management devices 100 may be installed for each practice area, and a plurality of simulators 200 may be installed. The management device 100 manages a plurality of simulators 200, and the operation server 300 operates the management device 100 for each practice area. The management device 100 and the simulator 200 or the management device 100 and the operation server 300 communicate through a wired/wireless network 50 .

The simulator 200 generates practice data related to the learner's practice, the management device 100 transmits the practice data to the operation server 300, and the operation server 300 analyzes and processes the practice data so that learners and instructors Or, it creates information for people involved in employment. The driving machine practice system 10 for NCS-based virtual reality may further include an information use terminal/server 400 using information generated by the operation server 300 .

FIG. 2 is a block diagram showing the information using terminal/server of FIG. 1 in detail. The server 440 or the employment agency server 450 is included. The learner's terminal 410 is a learner's terminal that learns the driving machine through the simulator 200, and the instructor's terminal 420 is a learner's terminal that provides lessons for the learner. The public institution server 430 is a server of a public institution that operates and manages NCS, and manages learner's training time records and training incentives. For example, public institutions are the Ministry of Employment and Labor or Employment Insurance. The driving machine server 440 is a server of a company that operates driving machines as a business, and the employment agency server 450 is a server of an organization or company that arranges employment.

The simulator 200 implements a safety education curriculum in which scenarios are organized for each NCS learning step related to driving machines and include elements for generating unexpected situations that may occur during driving. The management device 100 receives the practice data generated by inputting the learner's manipulation and movement from the simulator 200 .

3 is an example of situation directing elements, and the situation directing elements include environmental situation directing elements and unexpected situation directing elements. The environmental situation directing element is an element that directs the driving environment in the simulation image, and the unexpected situation directing element is an element that directs the unexpected situation in the simulation image. The simulation image is an image for the learner's viewing that is output through the simulator 200.

The environmental situation presentation factors may include factors related to topography, temperature, and climate, and may further include factors affecting the driving environment. The environmental situation presentation elements related to the terrain may have various properties such as flatness, slope, sand, soil, gravel, cement, asphalt, carbon material, ice sheet, loose snow or loose snow. The environmental situation production element related to temperature may have a property according to the temperature of each section. Environmental situation presentation factors related to climate may have various attributes such as snow, rain, sunny, cloud, fog, and wind.

In the case of the terrain, the present invention can provide experiences on flat terrain, slope terrain, sandy terrain, soil terrain, gravel terrain, cement terrain, asphalt terrain, carbonaceous terrain, icy terrain, compacted snow terrain, or loose snow terrain. These terrains can exist in a single terrain and mixed form depending on the situation, and the friction coefficient changes according to the ratio, which affects operation. In the present invention, the friction coefficient may be included in the attributes of the environmental situation rendering element.

In the case of the climate, the present invention can provide an experience of snow, rain, sunny, clouds, fog, or wind, and can visually or tactilely express the climate environment, and snow / rain / sunny / clouds affect the friction coefficient It is an environmental situation production factor that can give

The simulator 200 can initialize parts of the soil with different densities to generate power overload of the driving machine during digging. Therefore, it is possible to provide an exercise in recognizing the cause of power overload through a feeling of operation of the control unit 240. It can provide coping practice for parts with different densities (rocks and stones), and can prevent aging of equipment due to overload during actual work.

The unexpected situation presentation element may include at least one of a fixed or moving object, a change in an environmental situation presentation element, and a property for displaying a defect in a driving machine. The attributes that produce a fault in the driving machine can be diverse, such as lack of coolant, broken fan belt, faulty electrical system, faulty dump badge, etc.

4 to 6 show attribute values of topography properties, and more specifically, FIG. 4 shows attribute values of frictional force according to the density of embankment, and FIG. 5 shows the inclination angle according to the height of the embankment. 6 shows attribute values related to various conditions of the topographical form. The safety standard information is information that becomes a response standard for situation presentation elements, and may include attribute values related to attributes.

7 is a block diagram showing the operation server of FIG. 1 in detail, the operation server 300 includes a service providing unit 320 and an analysis unit 330. The service providing unit 320 receives practice data from the management device 100, and the analysis unit 330 compares the received practice data with safety standard information or safety accident occurrence pattern that is a response standard for unexpected situation production elements. to analyze safety accident-causing behavior. The safety accident occurrence pattern may be big data-based information generated by analyzing safety accident-causing behaviors of various learners in the past. The safety accident occurrence pattern may be a pattern or information organized by analyzing cases in which the same safety accident-causing behavior of a set frequency or more occurred from various past learners or those who have completed learning.

The analysis unit 330 reorganizes scenarios related to safety accident-causing behaviors in the organized NCS learning step-by-step scenarios, and creates a safety education curriculum including the reorganized scenarios for each learner. The service provider 320 provides the safety education curriculum including scenarios reorganized for each learner to the management device 100, and the management device 100 uses the safety education curriculum including scenarios reorganized for each learner to provide a simulator ( 200) to update the simulation data stored in it.

The operation server 300 may further include an operation unit 390 and a database 310 . The analysis unit 330 may update and store simulation data in the database 310 . The operation unit 390 may update the safety standard information and store it in the database 310 . The operation unit 390 may update information about the management device 100, the simulator 200, and learners or instructors and store them in the database 310. The management unit 390 may update information about the information using terminal/server 400 and store it in the database 310 . The management unit 390 may update an application for providing information to the information using terminal/server 400 and store the updated application in the database 310 .

The analysis unit 330 capable of analyzing big data includes problem practice images corresponding to safety accident-causing behaviors extracted from practice data, cause information causing safety accident-causing behaviors in the problem practice images, and solution information for solving the causes. It is possible to create relearning information for each learner that includes. The service providing unit 320 may provide the safety education curriculum including the reorganized scenario to the simulator 200 through the management device 100, and may provide relearning information to the learner terminal 410.

In the present invention, when a learner is located outside the practice area, relearning information can be learned through the learner terminal 410, and when the learner is located in the practice area, the simulator 200 can learn the reorganized scenario. It has a remarkable effect of rapidly supplementing learners' driving habits.

The analysis unit 330 may generate scenarios or relearning information for sharing by analyzing common characteristics of problem practice videos, relearning information, or reorganized scenarios for each learner. In the present invention, a learner learns sharing scenarios or relearning information related to other learners, thereby supplementing a driving habit in which the learner himself has not identified a problem, and a remarkable effect of inducing learning sharing or communication between learners. there is

Learners who attend NCS learning module training receive training incentives from public institutions when they achieve the set training hours, and public institutions must monitor whether learners have filled the training hours negatively.

The operation unit 390 may extract the recording time of virtual practice training from the practice data and calculate the expected remaining training time and training incentive money by accumulating the recorded time of virtual practice training and actual training. The service providing unit 320 may provide the learner terminal 410 with training progress information including the estimated remaining training time and training incentive money. The service provider 320 may provide the learner terminal 410 with learner provision information including relearning information and training progress information.

In the present invention, since the learner can check the training progress information using the learner terminal 410, the learner can participate in learning more diligently in order to receive the training subsidy, and the instructor or the person in charge of the academy who manages the learner is unnecessary for the training subsidy. Counseling can be reduced.

The analysis unit 330 may generate a safety accident occurrence pattern of the learner by analyzing the safety accident-causing behavior of the learner. The simulator 200 may store a learner's safety accident occurrence pattern and output an alarm when an operation value included in the safety accident occurrence pattern is received.

FIG. 8 is a block diagram showing the management device of FIG. 1 in detail. The management device 100 includes a storage unit 110, a communication unit 120, and a management unit 190. The storage means 110 stores learner authentication information related to learner authentication, learning operation information related to learning operation, simulator management information for registration management of the simulator 200, and transmission management information for transmission management of practice data and simulation data. can be saved The communication means 120 provides communication with the simulator 200 or the operating server 300.

9 is a block diagram showing the management unit of FIG. 8 in detail. The management unit 190 may include a learner management unit 191, a learning operation management unit 192, and a simulator management unit 193. The learner management unit 191 may perform authentication of a learner who wants to use the simulator 100 using the learner authentication information. The learning operation management unit 192 can manage the learning operation for each NCS learning step, manage the learning performance of the learner, and provide the learning operation information to the instructor terminal 420 . The simulator management unit 193 may register and manage the simulator 200 and may manage the simulator 200 by setting operating hours of the simulator 200 .

The simulator management unit 193 controls the simulator 100 when the operation time of the simulator 100 ends or a set cycle arrives, transmits practice data and updates simulation data related to the safety education curriculum, and transfer of practice data is completed. If so, practice data stored in the simulator 100 can be deleted.

The present invention can efficiently use the storage space of the simulator 100 through the simulator management unit 193, and provide data transmission when the operation time ends or a set period arrives, thereby providing stable data transmission and reception. In addition, it can contribute to the improvement of the learner's job ability by providing an update of the safety education curriculum related to the learner's vulnerable scenario.

FIG. 10 is a block diagram showing the simulator of FIG. 1 in detail. The simulator 200 may include a manipulation unit 240, a sensor unit 250, and a control unit 290. The control unit 290 creates an unexpected situation by using an unexpected situation presentation element in the simulation image, and the operation value generated through the input of the operation unit 240, the motion value of the learner detected through the sensor unit 250, and the operation value It is possible to generate practice data including a response time corresponding to an input time of and a result value corresponding to an operation result of an unexpected situation. The sensor unit 250 may detect a learner's movement by including a sensor for head tracking. The resulting value can be used to derive the learner's absolute evaluation.

The operation server 300 may generate ranking information based on the result value for each learner, and provide the learner terminal 410 with an application for sharing the ranking information and the practice video of the top ranker. The learner terminal 410 may receive at least one of learner-provided information, re-learning information for sharing, ranking information, and practice images of higher rankers using an application.

In the present invention, a learner can acquire various information through an application. The present invention can induce a positive competitive spirit and create a proactive and voluntary training atmosphere by making training like a game through a nationwide ranking system that evaluates the achievement level of training in various ways.

The simulator 200 may further include a storage unit 220, a driving machine configuration unit 260, and a component control unit 270. The storage unit 220 may store driving machine information about components for each manufacturer or product of the driving machine. Driving machines may be composed of the same components for each manufacturer or product, but the sizes of the components may be different from each other. The driving machine information may include information about the size of components for each manufacturer or product of the driving machine.

The manipulation unit 240 receives a learner's selection input or manipulation. The driving machine configuration unit 260 may include a plurality of components constituting the driving machine. The component adjusting unit 270 provides height, position, angle or size adjustment of components. The component adjusting unit 270 may provide a manual adjustment function for the learner to directly adjust the size of the component, and may provide an automatic adjustment function by the control unit 290 . The control unit 290 may control the component control unit using the control unit 240 .

FIG. 11 is a block diagram showing the details of the control unit and the storage unit of FIG. 10 . The control unit 290 may include a driving machine control unit 291 , a scenario control unit 292 and a simulation control unit 293 . The storage unit 220 may include a driving machine information storage unit 221, a simulation data storage unit 222, and a practice data storage unit 223.

The driving machine control unit 291 may set the driving machine configuration unit 270 by controlling the component adjusting unit 260 with configuration selection information and driving machine information related to component selection.

The simulator 200 may further include an output unit 230 that outputs a simulation image based on simulation data in which scenarios are organized for each NCS learning step related to the driving machine. The scenario controller 292 may prepare a simulation image as a scenario corresponding to the scenario selection information regarding the selection of the scenario and provide the simulation image to the simulation controller 293 . The simulation control unit 293 executes the simulation using the simulation image.

The scenario control unit 292 may set a simulation environment by selecting a course of a driving machine selected for training, an evaluation item related to a cutting stop operation, and an unexpected event.

12 is a block diagram showing the simulation control unit of FIG. 11 in detail. The simulation control unit 293 includes a situation directing unit 293-1, a practice result generating unit 293-2, and a manipulation/motion applying unit 293-3. ) may be included.

The situation directing unit 293-1 creates an unexpected situation in the simulation image of the selected scenario by using the unexpected situation directing element. The practice result generation unit 293-2 compares the safety standard information, which is a response standard for the unexpected situation production element, and the operation value generated through the input of the operation unit 240 to obtain a result value corresponding to the operation result of the unexpected situation. can create The manipulation/motion application unit 293-3 may apply the motion value, manipulation value, and result value of the learner detected through the sensor unit 250 to the simulation image. The output unit 230 may output a simulation image to which the manipulation result of the unexpected situation is applied. For example, the operation result of an unexpected situation may be the learner's wrong operation result, such as overturning, falling, being stuck, colliding, wheel crushing, loss of friction, engine stop or electric shock of the driving body of the simulator.

The operation/movement application unit 293-3 measures the reaction time (or response time) according to the inclination of the moving object, the impact detection of the moving object, the impact detection of the fixed object, the ground friction force, the contact detection of the work safety line, the detection of the amount of bucket mule, or the response to an unexpected situation. can be detected.

Conventionally, motion values and manipulation values were applied to simulation images, but in the present invention, by applying result values corresponding to unexpected situations as well as motion values and manipulation values to simulation images, learners can check the results of coping with unexpected situations. and can further raise awareness of safety accidents.

13 is a block diagram showing the control unit and the output unit of FIG. 10 in detail. The control unit 240 includes a joystick 241, a pedal 242, a wheel 243, a lever 244, and an on/off switch 245. It may include, and may further include various means required for driving operation, but is not limited thereto. The manipulation unit 240 may receive a learner's selection input for setting a driving machine or a scenario, and may receive a learner's manipulation input for coping with an unexpected situation while the simulation is running. The output unit 230 may include a monitor 231 , an HMD 232 and an additional output unit 233 . The monitor 231 or the HMD 232 may output a simulation image and may also output sound. The additional output unit 233 may output sound and may be used as a means for sensory images. The additional output unit 233 may perform an operation related to an environmental situation directing element or an unexpected situation directing element. For example, the additional output unit 233 can adjust the temperature by including a heating means, and can provide wind by including a blowing means, and can further improve the sense of reality of the situation.

14 to 18 are examples of the motor grader simulator of the present invention, in which the driving machine component 270 includes a base frame 271, a support connecting block 272, a sensor holder 273, a monitor mounting sub Frame(274), Monitor Mount(275-1), HMD Mount(275-2), Subframe for HMD Mount(276), Seat Mount(275-3), Remote Controller Mount(275-4), Pedal Mount(275) -5), a handle mount 275-6 and a seat 277.

The base frame 271 is configured in the form of a square frame so as to be stably placed in the practice area when installed in the practice area, and the support connection block 272 is in the form of crossing between the front and rear parts of the base frame 271. It is a block with an empty middle so that it can serve as a passage through which power and video transmission cables pass.

FIG. 19 shows a component adjuster installed on the manipulator mount, and FIG. 20 shows a component adjuster installed on the handle mount. The component adjuster 260 is installed on the components of the operating machine component 270 to increase the height of the components. , position, angle or size can be adjusted. 19 is an example of adjusting the height of the manipulator mount 275-4 using the component adjuster 260, and FIG. 20 shows an example of adjusting the angle of the handle mount 275-6 using the component adjuster 260. is an example of

21 to 23 are for explaining gaze processing of the HMD detected by the sensor unit, and the sensor unit 232 may be installed in the HMD 232 as shown in FIG. 21, and as shown in FIG. 23 Likewise, it can be installed on the sensor cradle 273. The sensor unit 232 may be a sensor that tracks a learner's overall movement or a head movement. Tracking the top, bottom, left, right, front and back of the head is defined as head tracking. The manipulation/motion application unit 293-3 may process the learner's gaze using the motion value, and may provide the HMD 232 with a simulated image in which the learner's gaze has been processed.

24 is an example showing the driving course of the motor grader in the virtual practice space, FIG. 25 is an example showing the cutting stop of the motor grader in the virtual practice space, and FIG. This is an example of a possible reaction zone.

The learner can drive the driving course of the motor grader in the virtual practice space using the simulator 200. The simulator 200 can set a reaction zone capable of recognizing the movement of the motor grader, and can determine whether or not it is detected in the reaction zone in response to an input of a manipulation value.

27 is a flow chart showing a method for providing a safety education curriculum for practicing motor grader classification operations. NCS learning is divided into multiple stages corresponding to job levels, and the simulator 200 of the present invention provides steps 1 to 3 can NCS learning stages 1 to 3 are essential functional knowledge for beginners, and can provide basic operating methods of driving machines, environmental awareness, and safety training. NCS learning stages 1 to 3 can prevent unnecessary operation that can shorten the lifespan of driving machines or safety accidents that can occur due to malfunctions of driving machines by learning basic operation methods.

Steps 1 and 2 of NCS learning for moder graders involve cutting the roadbed or road surface flat, or evenly spreading materials on the roadbed, and learning related to the operation of the motor grader and related inspections with low difficulty. NCS learning level 3 for moder graders is related to safety and learning about work planning. 27 is an example showing a tutorial related to the motor grader classification operation included in the first or second step of NCS learning for the moder grader.

The simulator 200 for the motor grader is designed to analyze the environment necessary for cutting and laying work when setting the first and second stages of NCS learning, and to secure the ability to quickly grasp the state of the soil in operation. You can select and set the difficulty level. The simulator 200 for the motor grader may receive selection of elements appearing in an unexpected situation and set the level of difficulty in order to provide job performance related to safety when setting the third stage of NCS learning.

28 is a flow chart showing a course evaluation method of a motor grader, and FIG. 29 is a flowchart showing a cutting stop evaluation method of a motor grader. can be provided with Practical safety training can be provided.

30 is a flowchart illustrating an operation method of a driving machine practice system according to an embodiment of the present invention. The simulator 200 performs authentication using the management device 100, and virtual practice training is performed when the learner's authentication is completed. starts, and when a certain practice time or practice goal is achieved, the virtual practice training ends and the practice data is saved. When the operation of the simulator 200 ends, the management device 100 provides practice data to the operation server 300, and the operation server 300 analyzes the practice data.

31 is a flowchart showing a method of operating a simulator according to an embodiment of the present invention. The simulator 200 is used for a set operating time, provides virtual practice only to certified learners, and calculates the payment of NCS training incentives. Record practice time. The learner can select virtual practice education from among organized scenarios, and can select virtual practice education from among scenarios reorganized as learning that is weak to him or her. Learners can select tutorial mode, practice mode or assessment mode in the selected scenario.

The present invention provides a tutorial mode to learners who are training motor graders for the first time so that they can repeatedly master the segmented motions in virtual space, and practice continuous motions in virtual space along the training scenarios in the practice mode to repeatedly master job skills. In addition, it is possible to derive quantitative evaluation while cultivating the learner's job ability by absolutely evaluating the unexpected situation that occurred along the training scenario of the evaluation mode.

The simulator 200 may store practice data when the virtual practice is finished, and may provide repractical in response to a learner's request. The simulator 200 may transmit practice data to the operation server 300 through the control of the management device 100 when the operation time ends.

32 is a flowchart showing a method for producing an unexpected situation according to an embodiment of the present invention, and the simulator 200 can create an unexpected situation in a simulation image. The simulator 200 creates an unexpected situation in the simulation image of the selected scenario using the unexpected situation presentation element, and the operation value generated through the input of the control unit 240 and the motion value of the learner detected through the sensor unit 250 and a corresponding time corresponding to the input time of the manipulation value is received.

The simulator 200 compares safety reference information and operation values, which are the response standards for unexpected situation production elements, to generate result values corresponding to the operation results of unexpected situations, and to display the operation values, motion values, and result values in the simulation image. It is applied, and the simulation image with the operation result of the unexpected situation applied is output.

There are no regulations on holding practice equipment in the practice area or practice site, the amount of actual driving machines is small, and it is difficult to secure driving machines, so practice education is limited, and there are problems in that practice education is not sufficiently provided. The present invention provides a simulator 200 that meets the NCS educational guidelines to learners waiting for actual driving machine practice, so that the learners' lack of job skills can be supplemented.

The present invention can record practice data, analyze the stored practice data, and provide the analyzed information to learners or instructors to reduce safety accident-causing behaviors of learners or correct wrong driving habits of learners.

The present invention has a small tooth space of the simulator 200, no use of an internal combustion engine, no waiting time before operation such as preheating and preparation time for training places, so there is no pollution, and the maintenance cost of oil and consumables can be innovatively lowered. there is.

The present invention applies VR HMD to escape from the limited environment provided by the existing monitor method, and can be immersed in a wide range of real situations that respond to the operator's active behavior, and safety accident prevention and contents by conducting education appropriate to the situation in VR. Diversification can be provided, and the training effect can be further improved by applying the actual controller and conducting practice while experiencing the sense of operation with the body.

The present invention provides the familiarity of driving a motor grader to the position of a pilot license learner through the simulator 200, thereby facilitating license acquisition and improving safety awareness and crisis response through accident simulation.

10: driving machine practice system 50: wired/wireless network
100: management device 110: storage means
120: communication means 190: management unit
191: learner management unit 192: learning operation management unit
193: simulator management unit 200: simulator
210: communication unit 220: storage unit
221: driving machine information storage unit 222: simulation data storage unit
223: practice data storage unit 230: output unit
231: monitor 232: HMD
233: additional output unit 240: control unit
241: joystick 242: pedal
243: wheel 244: lever
245: on-off switch 250: sensor unit
260: component control unit 270: driving machine component
271: base frame 272: support connection block
273: sensor holder 274: subframe for monitor mounting
275-1: Monitor Mount 275-2: HMD Mount
275-3: Seat mount 275-4: Remote controller mount
275-5: Pedal mount 275-6: Handle mount
276: subframe for HMD mount 277: seat
290: control unit 291: driving machine control unit
292: scenario control unit 293: simulation control unit
293-1: Situation production unit 293-2: Practice result generation unit
293-3: operation/movement application unit 300: operation server
310: database 320: service provider
330: analysis unit 390: operation unit
400: information use terminal/server 410: learner terminal
420: Instructor terminal 430: Public institution server
440: driving machine server 450: employment agency server

Claims (5)

A simulator 200 that executes a safety education curriculum in which scenarios are organized for each NCS learning step related to driving machines and include elements for generating unexpected situations that may occur during driving;
A management device 100 for receiving practice data generated by inputting learner's manipulations and movements from the simulator, and
An operation server 300 that analyzes safety accident-causing behavior by comparing the practice data received from the management device with safety standard information that is a response standard for unexpected situation production elements,
The unexpected situation presentation elements include attributes that produce changes in environmental situation presentation elements and defects in driving machines, and the operation server reorganizes scenarios related to safety accident-causing behaviors in the scenarios for each stage of organized NCS learning, and reorganizes each learner. Create a safety education curriculum that includes the scenarios described,
The simulator,
a storage unit 220 for storing driving machine information on components for each manufacturer and product of the driving machine;
a manipulation unit 240 that receives a learner's selection input or manipulation;
a driving machine configuration unit 260 including a plurality of components constituting the driving machine;
A component adjusting unit 270 for adjusting the height, position, angle or size of the component, and
A control unit 290 for controlling the component control unit using the control unit,
The control unit includes a driving machine control unit 291 that sets the driving machine configuration unit by controlling the component control unit with configuration selection information and driving machine information related to component selection,
The control unit creates an unexpected situation by using an unexpected situation presentation element in the simulation image, and the operation value generated through the input of the control unit, the learner's motion value detected through the sensor unit, the response time corresponding to the input time of the operation value, and the sudden Generates practice data including result values corresponding to manipulation results of situations, applies result values corresponding to sudden situations as well as motion values and manipulation values to simulation images,
The result value is used to derive the learner's absolute evaluation,
The operation server generates ranking information based on the result value for each learner, and provides an application for sharing the ranking information and the practice video of the top ranker to the learner terminal,
The operation server analyzes the safety accident-causing behavior of the learner using big data generated by analyzing the practice data, safety standard information, and past safety accident occurrence patterns generated by inputting the learner's operation and movement,
The safety accident occurrence pattern is a pattern organized by analyzing cases in which the same safety accident-causing behavior occurred at a set frequency or higher from a person who completed learning in the past,
The operation server relearns for each learner including problem practice images corresponding to safety accident-causing behaviors extracted from practice data, cause information causing safety accident-causing behaviors in the problem practice images, and solution information for solving the causes. generate information;
The operation server analyzes common characteristics of each learner's problem practice video, relearning information, and reorganized scenarios to generate common characteristic information,
NCS-based driving machine practice system for virtual reality, characterized in that the learner terminal receives common characteristic information for sharing and practice images of high rankers using an application. delete delete delete delete

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