CN111797536A - Virtual simulation training system for engineering machinery - Google Patents
Virtual simulation training system for engineering machinery Download PDFInfo
- Publication number
- CN111797536A CN111797536A CN202010666011.9A CN202010666011A CN111797536A CN 111797536 A CN111797536 A CN 111797536A CN 202010666011 A CN202010666011 A CN 202010666011A CN 111797536 A CN111797536 A CN 111797536A
- Authority
- CN
- China
- Prior art keywords
- virtual
- model
- engineering machinery
- scene
- excavator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012549 training Methods 0.000 title claims abstract description 24
- 238000002474 experimental method Methods 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims abstract description 9
- 238000009877 rendering Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 15
- 238000013515 script Methods 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Computer Graphics (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a virtual simulation practical training system for engineering machinery, which comprises the steps of model establishment and rendering, system scene construction, basic interface design, experimental operation and the like. The invention utilizes solidworks and unity3D to manufacture a virtual simulation training system for the actual operation of large-scale equipment of engineering machinery. The real working scene and the engineering mechanical equipment are simulated, and the working condition and the virtual disassembly and assembly of the engineering machinery are simulated. The invention has certain portability and expansibility and can effectively complete experiment teaching by combining with real experiments.
Description
Technical Field
The invention belongs to the field of virtual simulation experiments, and particularly relates to an engineering machinery practical training system.
Background
Experiment teaching helps students to find problems and enhance understanding, but the traditional realization teaching has time, place, safety and other problems and can not meet the requirements of students. Especially for large engineering machinery, the assembly and disassembly are very difficult. Due to the price of the engineering machinery, the practical operation opportunities of students are greatly reduced. At present, a virtual reality technology is applied in a plurality of fields, and a virtual simulation practical training system for engineering machinery is lacked.
Different from the traditional experiment, the virtual experiment is small in equipment dependence on the field, low in experiment maintenance cost, and convenient and easy in experiment architecture and content maintenance. Can make the student train many times repeatedly, guarantee the training quality, improve training efficiency, avoid operating large-scale part, waste time and energy.
With the rapid development of computer engineering and graphics technologies, theoretical foundations are provided for the establishment of virtual simulation experiment systems in various industries, and the state provides support for the establishment of virtual simulation laboratories. The virtual simulation technology is full of opportunities for the large-scale machinery industry, and not only can the sense of reality be enhanced, but also the training interest and experience of users can be aroused.
Disclosure of Invention
The invention aims to solve the problems mentioned in the technical background, provides a virtual simulation practical training system for engineering machinery, and supplements the operation practical training of the traditional experiment of large machinery.
The invention provides a virtual simulation practical training system for engineering machinery, which comprises: model building and rendering, system scene building, basic interface design and experimental operation.
And the model building is used for building a three-dimensional model of the large-scale machinery, and classifying according to the modeling basic principle and the three-dimensional model application. Taking an excavator as an example: the method comprises the steps of dividing the device into an upper half part, a lower half part and a working device, reasonably classifying and modeling by a module. The model rendering is used for matching the appearance characteristics of the large-scale mechanical three-dimensional model, such as material quality, color, metal quality and the like.
Further, the upper half parts are: comprises a cab, a swing mechanism, a counterweight, an upper platform and the like.
Further, the lower half main parts: comprises a crawler belt, a guide wheel, a thrust wheel, a drag chain wheel and the like.
Further, the working device comprises the following main parts: the hydraulic excavator comprises a movable arm, a movable arm oil cylinder, an arm oil cylinder, a bucket and a connecting rod.
The system is used for setting up a scene and reproducing a real scene, so that a user is personally on the scene and needs to create terrains, surface vegetation, terrain light and the like. And combining the created three-dimensional engineering mechanical model with a system scene, and adding a real map for a scene terrain.
The basic interface design is used for switching different scenes and generating corresponding response when clicking an event.
The experimental operation is used for planning and logic scripts for model recognition, virtual disassembly and assembly of main parts and simulation operation, and setting the man-machine interaction principle of the selected engineering machinery.
Furthermore, the model recognition is used for enabling students to know all parts of the engineering machinery, and understanding the principle and application of each part in a document and video mode.
Furthermore, the main part virtual dismounting module is used for constructing dismounting and assembling of large machinery, training students on the overall layout of the machinery, and clearly recognizing parts and overall assembly.
Further, the simulation operation is used for starting, stopping and walking of the engineering machinery, taking an excavator as an example: the virtual operation also needs loading, unloading, steering and the like.
The invention has the beneficial effects that: the engineering machinery virtual simulation practical training system provided by the invention has no dependence on real experimental equipment and experimental conditions. The multifunctional operating platform can operate various large-scale mechanical equipment to perform actual operation, so that students are immersed in the multifunctional operating platform to complete the actual operation of the large-scale equipment.
Drawings
FIG. 1 is an overall framework diagram of a virtual simulation training system for engineering machinery;
FIG. 2 is a simulation diagram of an excavator training module;
Detailed Description
For purposes of clarity and clarity of illustration, the following description is made in conjunction with an example of a training module for an excavator and the accompanying drawings, which are not all examples of the invention and which are applicable to all combinations of modules of the invention. It should be understood that the specific examples described herein are merely illustrative of the invention and are not intended to limit the invention.
In an embodiment, as shown in fig. 1, the invention provides a virtual simulation training system for engineering machinery, which at least includes model establishment and rendering, system scene construction, basic interface design and experiment operation.
And the model building is used for building a three-dimensional model of the large-scale machinery, and classifying according to the basic modeling principle and the purpose of the three-dimensional model. Taking an excavator as an example: the method comprises the steps of dividing the device into an upper half part, a lower half part and a working device, reasonably classifying and modeling by a module. The model rendering is used for matching the appearance characteristics of the large-scale mechanical three-dimensional model, such as material quality, color, metal quality and the like.
Further, the upper half parts are: comprises a cab, a swing mechanism, a counterweight, an upper platform and the like.
Further, the lower half main parts: comprises a crawler belt, a guide wheel, a thrust wheel, a drag chain wheel and the like.
Further, the working device comprises the following main parts: the hydraulic excavator comprises a movable arm, a movable arm oil cylinder, an arm oil cylinder, a bucket and a connecting rod.
And building a system scene, and reproducing a real scene to enable a user to be personally on the scene and to make the terrain, surface vegetation, terrain light and the like. And combining the created three-dimensional engineering mechanical model with a system scene, and adding a real map for a scene terrain.
And the basic interface design is used for switching different scenes and generating corresponding response to click events.
The experimental operation is used for planning and logic scripts for model recognition, virtual disassembly and assembly of main parts and simulation operation, and setting the man-machine interaction principle of the selected engineering machinery.
Furthermore, the model recognition is used for enabling students to know all parts of the engineering machinery, and understanding the principle and application of each part in a document and video mode.
Furthermore, the main part virtual dismounting module is used for constructing dismounting and assembling of large machinery, training students on the overall layout of the machinery, and clearly recognizing parts and overall assembly.
Further, the simulation operation is used for starting, stopping and walking of the engineering machinery, taking an excavator as an example: the virtual operation also needs loading, unloading, steering and the like.
The excavator actual operation module is described as follows:
manufacturing an excavator model: the modeling process is simplified, modular modeling is considered, the excavator is divided into three modules, a design concept from bottom to top is adopted, solidworks software is used for modeling a single part, modeling is relatively independent, and the modular parts are assembled, so that the whole excavator is completed.
Rendering the excavator model: importing the three-dimensional model into 3DMAX software, referring to the appearance of an excavator object, designating a V-Ray renderer, creating a material for the automobile body, naming the material as the automobile body, selecting a material ball, loading a VRayMtl material, loading attenuation parameters on a material channel, setting the color as dark yellow, and setting the reflection color as yellow. The gloss reflected was 0.6 and the highlight reflected was 0.7, subdivided into 25. After the material ball is arranged, the material ball is given to the vehicle body part. The track and window set-up steps are similar and are not cumbersome here.
Building a scene of an excavator actual operation module:
step 1: the 3DMAX three-dimensional model is output in a fbx format and is imported into unity3d, and the import process has the defect of material quality and supplements the corresponding material quality.
Step 2: the scene is based on real Terrain as a reference, the working condition of the excavator is mainly, the real Terrain is simulated by using Tertain (Terrain editor) in unity3d, and Terrain height, smoothness, a Terrain map and surface vegetation are set by a Terrain component.
And step 3: the terrain lamplight is sunlight, the sunlight is expressed by the directive Light, parameters are set, and the Light source is placed at a proper position.
Designing a basic interface of an excavator actual operation module:
step 1: the excavator real operation module comprises a plurality of scene applications, introduction scenes and practical training scenes, a scene switching script is managed by adopting a scene index as an identifier, and a corresponding button is clicked to switch a target scene.
Step 2: the introduction scene is steps and cautions for virtual experiment operation introduction and excavator actual operation. The introduction scene mainly takes documents, videos and animations as introduction resources to help students to know.
And step 3: when the mouse is moved to each part of the excavator in the training scene, the part is marked with red, the name is displayed, the UGUI is firstly used for marking the name of the part, and blanking and displaying are completed subsequently.
Excavator experiment operation:
step 1: the method comprises the steps of interactively controlling the excavator to walk by a keyboard, controlling the excavator to move in a W (front) operation mode and an S (rear) operation mode, acquiring a keyboard input value, judging whether the keyboard input value is changed and is not zero, and performing movement processing by using a translate method.
Step 2: the rotation control is controlled by a double key, only the Z key and the A key are pressed simultaneously, and the D triggers the rotation control, the rotation can be carried out by 360 degrees, and the Lerp interpolation is used for smooth rotation.
And step 3: the sound segment of the working state of the excavator is added, the excavator can be controlled only when the excavator is started by clicking, the engine of the excavator is triggered to circularly play sound, and the pause key is used for unloading all control.
And 4, step 4: the excavator work equipment includes linkage control, and as shown in fig. 2, the work equipment is hierarchically divided, the boom cylinder and the boom cylinder are parent stages, the arm cylinder and the arm cylinder are child parent stages, and the bucket cylinder, the bucket, and the link are child stages. The method is characterized in that keyboard control is used for position rotation, 1 and 2 control the movable arm and the movable arm oil cylinder to stretch, 4 and 5 control the bucket rod and the bucket rod oil cylinder to stretch, 7 and 8 control the bucket oil cylinder to stretch, and therefore a connecting rod and a bucket are pushed to receive and discharge materials.
And 5: the excavator is disassembled and assembled based on ray detection, a camera is used as a monitoring point, a mouse clicking position is used as a terminal to send out rays, and if the name of a terminal part is the name of a part in an assembly sequence, the mouse drags the part to finish disassembly. During the assembly process, the part reaches the designated area, and the part automatically moves to the self assembly position according to the collision detection.
Finally, it should be noted that: although the present disclosure has been described in considerable detail and with reference to specific examples thereof, it is not intended to be limited to the details shown or particular examples thereof, but it is to be understood that such detail is solely for that purpose. Changes and substitutions may be made in the art without departing from the principles of the invention and it is intended that all such changes and substitutions be considered as within the scope of the invention.
Claims (9)
1. A virtual simulation practical training system for engineering machinery is characterized by comprising model building and rendering, system scene building, basic interface design and experimental operation.
2. The engineering machinery virtual simulation practical training system according to claim 1 is characterized in that:
and the model building is used for building a three-dimensional model of the large-scale machinery, and classifying according to the modeling basic principle and the three-dimensional model application.
The model rendering is used for matching the appearance characteristics of the material of the large-scale mechanical three-dimensional model, including color, metal quality and the like.
The system is built for reproducing a real scene and enabling a user to be personally on the scene, and the three-dimensional terrain comprises terrain creation, surface vegetation, terrain light and the like. And combining the created three-dimensional engineering mechanical model with a system scene, and adding a real map for a scene terrain.
The basic interface design is used for switching different scenes and generating corresponding response when clicking an event.
The experiment operation is used for planning and logic scripts for model recognition, virtual disassembly and assembly of main parts and simulation operation, so that interactive control is performed on a keyboard and a mouse, and the selected target mechanical virtual experiment is completed.
3. The modeling sort by use, as claimed in claim 2, wherein solidwroks modeling requires that the part be first built, and then assembled. Taking an excavator as an example: is divided into an upper half part, a lower half part and a working device.
The upper half part: cab, swing mechanism, counterweight and upper platform
The lower half: caterpillar, guide wheel, thrust wheel and drag chain wheel
The working device comprises: the hydraulic excavator comprises a movable arm, a movable arm oil cylinder, an arm oil cylinder, a bucket and a connecting rod.
4. The model rendering of claim 2, wherein the maps are collected, assigned to the material, added to the diffuse reflectance effect, and previewed to fine tune the material parameters.
5. The basic interface design according to claim 2, characterized in that the basic interface is UGUI components, including button components, image components and other interactive components, and control scripts are mounted for the interactive components and managed uniformly in one script, so as to avoid unnecessary script amount.
6. The experimental operations of claim 2, wherein the operations are used to plan and logically script model recognition, virtual disassembly and assembly of major components, simulation operations, and to set selected engineering machine human-machine interaction principles.
7. According to the claim 6, the model recognition is used for learning the knowledge of engineering machinery parts by students, and the principle and application of each part are known in a document and video mode.
8. According to claim 6, the main component virtual disassembly and assembly module is used for constructing disassembly and assembly of a large machine, training students on overall layout of the machine, and clearly recognizing parts and overall assembly.
9. According to claim 6, the simulation work is used for starting, stopping and walking of engineering machinery, taking an excavator as an example: the virtual operation comprises loading, unloading, steering and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666011.9A CN111797536A (en) | 2020-07-12 | 2020-07-12 | Virtual simulation training system for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666011.9A CN111797536A (en) | 2020-07-12 | 2020-07-12 | Virtual simulation training system for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111797536A true CN111797536A (en) | 2020-10-20 |
Family
ID=72808282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666011.9A Pending CN111797536A (en) | 2020-07-12 | 2020-07-12 | Virtual simulation training system for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111797536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160362A (en) * | 2021-04-23 | 2021-07-23 | 清华大学 | Resistance strain measurement experiment virtual demonstration implementation method and system |
| CN114187803A (en) * | 2021-12-17 | 2022-03-15 | 山东万正网络科技有限公司 | Method and system for simulating teaching of vehicle basic components in driver training |
-
2020
- 2020-07-12 CN CN202010666011.9A patent/CN111797536A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160362A (en) * | 2021-04-23 | 2021-07-23 | 清华大学 | Resistance strain measurement experiment virtual demonstration implementation method and system |
| CN113160362B (en) * | 2021-04-23 | 2022-08-05 | 清华大学 | Resistance strain measurement experiment virtual demonstration implementation method and system |
| CN114187803A (en) * | 2021-12-17 | 2022-03-15 | 山东万正网络科技有限公司 | Method and system for simulating teaching of vehicle basic components in driver training |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101530634B1 (en) | An apparatus and method for authoring experience-based learning content | |
| CN104484522A (en) | Method for building robot simulation drilling system based on reality scene | |
| CN102880732B (en) | A kind of rail traffic vehicles door system Dynamic Co-Simulation analytical approach | |
| CN101655988A (en) | System for three-dimensional interactive virtual arrangement of large-scale artistic performance | |
| CN111797536A (en) | Virtual simulation training system for engineering machinery | |
| CN110379014A (en) | Interactive road simulation method and platform based on BIM+VR technology | |
| CN114372341A (en) | Steel hot rolling pipe control system and method based on digital twinning | |
| CN106981232A (en) | A kind of virtual driving simulator based on unity3D | |
| Li et al. | A low-complexity method for authoring an interactive virtual maintenance training system of hydroelectric generating equipment | |
| CN105138315B (en) | A kind of virtual assembly system based on Visual Basic and EON Studio | |
| Fouladinejad et al. | Modeling virtual driving environment for a driving simulator | |
| CN115167840A (en) | Application case zero code construction platform based on mechanical simulation and virtual maintenance | |
| CN103295444A (en) | Method and system for simulating and training elevating fire truck operation | |
| Jing | Design and implementation of 3D virtual digital campus-based on unity3d | |
| CN112132962A (en) | Virtual reality-based urban rail vehicle maintenance operation process research method | |
| CN102800116B (en) | Method for rapidly creating large-scale virtual crowd | |
| CN202049490U (en) | Virtual reality system of coal mine digging equipment | |
| Machin | Digital artworks: bridging the technology gap | |
| Zheng et al. | Research on virtual driving system of a forestry logging harvester | |
| CN101739858A (en) | Multi-channel annular column curtain vignette suction type dredger dredging simulator | |
| Liu et al. | Design of digital intelligent factory software based on digital twin | |
| CN109919815A (en) | A method of site operation efficiency is improved using the engineering that actual situation combines | |
| Shen et al. | Message transfer in virtual reality simulation of fire control | |
| Chen et al. | Development and Application of Virtual Assembly Training System of Mine Drilling Rig Based on Unity3D | |
| CN115115316A (en) | Method for simulating storage material flowing-out and warehousing operation direction-guiding type animation based on Cesium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201020 |