CN113205607A - Immersive virtual reality interactive teaching system for building assembly and using method - Google Patents
Immersive virtual reality interactive teaching system for building assembly and using method Download PDFInfo
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- CN113205607A CN113205607A CN202110501463.6A CN202110501463A CN113205607A CN 113205607 A CN113205607 A CN 113205607A CN 202110501463 A CN202110501463 A CN 202110501463A CN 113205607 A CN113205607 A CN 113205607A
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/04—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of buildings
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention discloses an immersive virtual reality interactive teaching system for building assembly and a using method thereof, belonging to the technical field of immersive virtual reality interactive teaching systems for building assembly; the technical problem to be solved is as follows: the improvement of the hardware structure of the immersive virtual reality interactive teaching system for building assembly is provided; the technical scheme for solving the technical problems is as follows: the system comprises a VR practical training system, an AR system and a three-dimensional model acquisition device, wherein the VR practical training system comprises a server, and the server comprises a VR virtual simulation unit; the AR system comprises a building sand table interactive teaching model, an AR scanning two-dimensional code is arranged on the building sand table interactive teaching model, and the three-dimensional model acquisition device is used for acquiring data of action information of students and depth information of a three-dimensional scene and sending the acquired data to a server; the invention is applied to the assembly type building teaching.
Description
Technical Field
The invention discloses an immersive virtual reality interactive teaching system for building assembly and a using method thereof, and belongs to the technical field of immersive virtual reality interactive teaching systems for building assembly and using methods thereof.
Background
With the gradual development of virtual reality and immersive learning systems and the continuous development of social productivity and scientific technology, the demand of various industries on VR technology is increasingly vigorous. The VR technology makes great progress, and gradually becomes a new scientific and technical field to construct a virtual teaching environment, so that the real experience of students can be improved, and the learning enthusiasm of students can be improved.
There is also immersive virtual reality teaching system or classroom at present, but the teaching of this kind of virtual reality at present only makes the student experience the enjoyment of being personally on the scene based on the VR system, but to the assembled building, this kind of learning environment still lacks real interactive and can carry out the collocation of component in person, make student's study lack the practice of oneself being hands-on, current virtual reality is the operation that can only realize alone basically simultaneously, but to in the teaching, need each student to participate in the study, and alone experience alone not only inefficiency, lack the cooperation simultaneously, consequently, the immersive virtual reality interactive teaching system of a building assembly has been proposed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to solve the technical problems that: the immersive virtual reality interactive teaching system for building assembly and the improvement of the hardware structure of the using method are provided.
In order to solve the technical problems, the invention adopts the technical scheme that: an immersive virtual reality interactive teaching system for building assembly comprises a VR practical training system, an AR system and a three-dimensional model acquisition device, wherein the VR practical training system comprises a server, the server comprises a VR virtual simulation unit, the VR virtual simulation unit comprises a staircase, a rest platform installation, a vertical member hoisting preparation, a sleeve grouting, an outer wall seam treatment, a cast-in-place node steel bar binding, a cast-in-place node formwork support, prefabricated member transportation and stacking, a floor formwork installation, cast-in-place concrete + concrete curing and a floor steel bar binding simulation member, and students realize the simulation training of the assembly of assembly type building members through VR equipment;
the AR system comprises a building sand table interactive teaching model, AR scanning two-dimensional codes are arranged on the building sand table interactive teaching model, students scan the AR scanning two-dimensional codes through mobile phones, cognition and drawing recognition of all assembled prefabricated components on a sand table are achieved, and teaching content voice playing is conducted through a voice module;
the three-dimensional model acquisition device is used for carrying out data acquisition on action information of students and depth information of a three-dimensional scene and sending acquired data to the server, and the server controls the action of virtual characters in a display scene of the VR practical training system according to the action information of the students so as to realize virtual splitting and assembling of building components.
VR equipment includes VR glasses, VR glasses include the casing and set up the display in the casing, still be provided with the positioner who is used for confirming student's station position on the casing, the inside treater that still is provided with of casing, according to the position information determination VR glasses's that positioner sent position.
The building sand table interactive teaching model comprises a production sand table and a construction sand table, wherein action buttons are arranged on the production sand table and the construction sand table to realize the detachment and assembly of corresponding building components.
The three-dimensional model acquisition device comprises imaging equipment, the imaging equipment acquires gesture actions and limb actions of students through action capturing equipment, and acquires hand depth information and depth information data of three-dimensional scenes of the students through a depth camera.
A use method of an immersive virtual reality interactive teaching system for building assembly comprises the following steps:
the method comprises the following steps: the students enter an interactive classroom, and study the assembled building components by scanning the AR scanning two-dimensional code on the building sand table interactive teaching model through the mobile phone;
step two: a plurality of students wear VR equipment to carry out VR training on the assembly type building post skills, and the students carry out corresponding hand and limb actions according to the building components to carry out component assembly;
step three: the three-dimensional acquisition device simultaneously acquires the hand and limb actions of a plurality of students, the server controls the corresponding virtual roles to carry out corresponding actions according to the actions of the students, meanwhile, the server judges whether the assembly sequence of the building components and the combination mode among the assembly components are correct or not according to the actions of the students, and when the actions of the students are wrong, the server prompts the students.
Specifically, in the first step, a plurality of students enter an interactive classroom simultaneously, basic assembly and disassembly operations of the assembled components are learned through buttons arranged on the building sand table interactive teaching model, and the assembled components are independently learned through an AR system.
And step two, the VR practical training of the post skills of the fabricated building mainly comprises the steps that a plurality of students wear VR equipment at the same time, and the virtual simulation units are used for combining virtual components of stairs, rest platform installation, vertical component hoisting preparation, sleeve grouting, outer wall seam treatment, cast-in-place node steel bar binding, cast-in-place node formwork support, prefabricated component transportation and stacking, floor formwork installation, cast-in-place concrete + concrete curing and floor steel bar binding, so that the fabricated building is constructed and assembled.
Compared with the prior art, the invention has the beneficial effects that: the immersive virtual reality interactive teaching system for building assembly provided by the invention can enable a writing student to more intuitively know the matching relationship between the structure of the learned building component and other components before carrying out simulation practice by arranging the AR system, and can learn the mutual matching relationship of the basic components through the buttons on the sand table model; set up the real standard system of VR simultaneously and can let a plurality of students participate in the assembly and the dismantlement of assembly building simultaneously, accomplished the practice in person, can catch student's action in real time through three-dimensional collection system simultaneously in order to guide virtual assembly, not only educate in happy, can improve student's learning efficiency simultaneously.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of an AR system according to the present invention.
Detailed Description
As shown in fig. 1 to 2, the immersive virtual reality interactive teaching system for building assembly comprises a VR practical training system, an AR system and a three-dimensional model acquisition device, wherein the VR practical training system comprises a server, the server comprises a VR virtual simulation unit, the VR virtual simulation unit comprises a stair, a rest platform, a vertical member hoisting preparation, a sleeve grouting, an outer wall seam processing, cast-in-place node steel bar binding, cast-in-place node formwork erecting, prefabricated member transportation and stacking, floor formwork installation, cast-in-place concrete + concrete curing and floor steel bar binding simulation members, and students realize the simulation training of the assembly type building members through VR equipment;
the AR system comprises a building sand table interactive teaching model, AR scanning two-dimensional codes are arranged on the building sand table interactive teaching model, students scan the AR scanning two-dimensional codes through mobile phones, cognition and drawing recognition of all assembled prefabricated components on a sand table are achieved, and teaching content voice playing is conducted through a voice module;
the three-dimensional model acquisition device is used for carrying out data acquisition on action information of students and depth information of a three-dimensional scene and sending acquired data to the server, and the server controls the action of virtual characters in a display scene of the VR practical training system according to the action information of the students so as to realize virtual splitting and assembling of building components.
VR equipment includes VR glasses, VR glasses include the casing and set up the display in the casing, still be provided with the positioner who is used for confirming student's station position on the casing, the inside treater that still is provided with of casing, according to the position information determination VR glasses's that positioner sent position.
The building sand table interactive teaching model comprises a production sand table and a construction sand table, wherein action buttons are arranged on the production sand table and the construction sand table to realize the detachment and assembly of corresponding building components.
The three-dimensional model acquisition device comprises imaging equipment, the imaging equipment acquires gesture actions and limb actions of students through action capturing equipment, and acquires hand depth information and depth information data of three-dimensional scenes of the students through a depth camera.
A use method of an immersive virtual reality interactive teaching system for building assembly comprises the following steps:
the method comprises the following steps: the students enter an interactive classroom, and study the assembled building components by scanning the AR scanning two-dimensional code on the building sand table interactive teaching model through the mobile phone;
step two: a plurality of students wear VR equipment to carry out VR training on the assembly type building post skills, and the students carry out corresponding hand and limb actions according to the building components to carry out component assembly;
step three: the three-dimensional acquisition device simultaneously acquires the hand and limb actions of a plurality of students, the server controls the corresponding virtual roles to carry out corresponding actions according to the actions of the students, meanwhile, the server judges whether the assembly sequence of the building components and the combination mode among the assembly components are correct or not according to the actions of the students, and when the actions of the students are wrong, the server prompts the students.
Specifically, in the first step, a plurality of students enter an interactive classroom simultaneously, basic assembly and disassembly operations of the assembled components are learned through buttons arranged on the building sand table interactive teaching model, and the assembled components are independently learned through an AR system.
And step two, the VR practical training of the post skills of the fabricated building mainly comprises the steps that a plurality of students wear VR equipment at the same time, and the virtual simulation units are used for combining virtual components of stairs, rest platform installation, vertical component hoisting preparation, sleeve grouting, outer wall seam treatment, cast-in-place node steel bar binding, cast-in-place node formwork support, prefabricated component transportation and stacking, floor formwork installation, cast-in-place concrete + concrete curing and floor steel bar binding, so that the fabricated building is constructed and assembled.
The immersive virtual reality interactive teaching system for building assembly provided by the invention mainly enables students to learn theoretical knowledge through an AR system, performs virtual assembly and assembly on assembled components through a VR practical training system, performs real-time action judgment on the virtual assembly operation process of the students through a three-dimensional acquisition device, and feeds back the action judgment to the VR practical training system for error prompt and correction.
The AR system carries out theoretical learning by arranging a building sand table interactive teaching model, wherein the sand table model comprises a production sand table and a construction sand table, and the size of the sand table model is set to be 2.5 × 1.5 × 1.2 m; the side at the sand table model is provided with a plurality of action buttons, make production sand table and construction sand table on the sand table model carry out corresponding action through pressing different action buttons, all be provided with AR scanning two-dimensional code on each building element through production sand table and construction sand table, the student carries out the two-dimensional code scanning through the cell-phone, can carry out three-dimensional show with the structure of each building element, explain the structure, the method of use, the advantage and disadvantage, material and the characteristic of this component through the pronunciation module on the sand table simultaneously, help the student to understand the memory.
Wherein to including being used for the cognition and the recognition drawing of assembled prefabricated component on production sand table and the construction sand table, specifically do: common prefabricated components such as a prefabricated shear wall, a sandwich heat-insulation outer wall, a superposed beam, a superposed slab, a prefabricated staircase and the like are identified; the method is used for reading a plane layout drawing of the prefabricated part and mainly comprises the following steps: the floor embedded part layout drawing of the prefabricated part, the vertical plane layout drawing of the prefabricated part and the plane layout drawing of the prefabricated part; the map of the main node of the assembled type: the method mainly comprises the map recognition of nodes such as cast-in-place beam-laminated slab connecting nodes, laminated beam-laminated slab connecting nodes and cast-in-place wall-prefabricated wall-laminated slab connecting nodes, so that students can master the assembled map recognition capability, and can use the assembled drawing to complete the learning and promotion of skills such as assembled design, production, construction and integrated decoration.
The VR training system comprises a server carrying a VR virtual simulation unit and VR equipment, wherein the VR virtual simulation unit comprises a stair of an assembly type building, a rest platform is installed, vertical members are hoisted, vertical member hoisting preparation, sleeve grouting, outer wall seam treatment, cast-in-place node steel bar binding, cast-in-place node formwork erecting, prefabricated member transportation and stacking, floor formwork installation, cast-in-place concrete + concrete curing and floor steel bar binding, students wear the VR equipment to realize virtual assembly of a building assembly platform constructed by the VR virtual simulation unit, and the virtual assembly of the following members can be realized specifically: 1. VR simulation of a prefabricated part production workshop: simulating to 'visit' a precast concrete prefabricated part production workshop through VR equipment, and knowing the overall layout of the workshop and the basic conditions of each workshop station; 2. the stair and the rest platform are installed: through VR equipment, students can complete the whole process of lifting training of prefabricated staircases and rest platforms of the fabricated building; 3. an assembly construction method building: students can simulate the partial node structure of a 'visiting' construction method building through VR equipment, and observe the node connection condition at the near front; 4. hoisting a vertical component: simulating the whole lifting process of the prefabricated external wall panel of the fabricated concrete building through VR equipment; 5. vertical member hoist and mount are prepared: through research and development of VR equipment and a three-dimensional modeling technology, students can complete preparation work of the prefabricated wall panel in the early stage of hoisting through the VR equipment; 6. grouting a sleeve: simulating sleeve grouting practical training of the fabricated building through VR equipment, wherein the practical training comprises four subtasks of grouting material manufacturing operation, grouting material fluidity detection operation, test block manufacturing and sleeve grouting operation; 7. and (3) outer wall seam treatment: simulating technical requirements of outer wall joint treatment by VR equipment, wherein the technical requirements comprise an outer wall joint acceptance training and an outer wall joint gluing training; 8. binding cast-in-place node steel bars: through VR equipment, students simulate the reinforcement binding process of cast-in-place nodes of the fabricated building, and perform reinforcement binding according to the real case engineering drawing as reference content; 9. and (3) cast-in-place node formwork support: through VR equipment, students simulate the reinforcement binding process of cast-in-place nodes of the fabricated building, and perform reinforcement binding according to the real case engineering drawing as reference content; 10. and (3) conveying and stacking the prefabricated parts: roaming walking in a component stacking field is realized through VR handle equipment; 11. installing a floor template: through VR equipment, students simulate the installation process of the floor template of the fabricated building, and install the template according to the real case engineering drawing as the reference content; 12. cast-in-place concrete and concrete curing: through VR equipment, students simulate the concrete pouring and curing of the fabricated building; 13. binding floor steel bars: through VR equipment, the student simulates assembly type building floor reinforcement flow, and reinforcement is carried out for reference content according to real case engineering drawing.
Meanwhile, the server of the VR practical training system can also receive gestures and limb actions of students acquired by the three-dimensional acquisition device, so that the virtual roles in the display scene of the VR practical training system can be controlled to assemble components in the process of simulated assembly of the students, wrong actions of the virtual roles can be prompted through the actions of the students, the students can be guided to carry out correct actions, and the students can know correct operation steps in time.
The invention simultaneously combines AR and VR and controls the action of VR virtual characters by capturing the action through the three-dimensional acquisition device, so that not only can students combine the learning and practice operations of theoretical knowledge, but also the students can be in an immersive learning atmosphere.
It should be noted that, regarding the specific structure of the present invention, the connection relationship between the modules adopted in the present invention is determined and can be realized, except for the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problem proposed by the present invention is solved on the premise of not depending on the execution of the corresponding software program.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an immersive virtual reality interactive teaching system of building assembly which characterized in that: the VR virtual simulation system comprises a server, the server comprises a VR virtual simulation unit, the VR virtual simulation unit comprises a stair, a rest platform is installed, a vertical component is hoisted, vertical component hoisting preparation, sleeve grouting, outer wall seam processing, cast-in-place node steel bar binding, cast-in-place node formwork supporting, prefabricated component transportation and stacking, floor formwork installation, cast-in-place concrete + concrete curing and floor steel bar binding simulation components, and students realize simulation training of assembly of the assembled building components through VR equipment;
the AR system comprises a building sand table interactive teaching model, AR scanning two-dimensional codes are arranged on the building sand table interactive teaching model, students scan the AR scanning two-dimensional codes through mobile phones, cognition and drawing recognition of all assembled prefabricated components on a sand table are achieved, and teaching content voice playing is conducted through a voice module;
the three-dimensional model acquisition device is used for carrying out data acquisition on action information of students and depth information of a three-dimensional scene and sending acquired data to the server, and the server controls the action of virtual characters in a display scene of the VR practical training system according to the action information of the students so as to realize virtual splitting and assembling of building components.
2. The immersive interactive virtual reality teaching system for building assembly of claim 1, wherein: VR equipment includes VR glasses, VR glasses include the casing and set up the display in the casing, still be provided with the positioner who is used for confirming student's station position on the casing, the inside treater that still is provided with of casing, according to the position information determination VR glasses's that positioner sent position.
3. The immersive interactive virtual reality teaching system for building assembly of claim 1, wherein: the building sand table interactive teaching model comprises a production sand table and a construction sand table, wherein action buttons are arranged on the production sand table and the construction sand table to realize the detachment and assembly of corresponding building components.
4. The immersive interactive virtual reality teaching system for building assembly of claim 1, wherein: the three-dimensional model acquisition device comprises imaging equipment, the imaging equipment acquires gesture actions and limb actions of students through action capturing equipment, and acquires hand depth information and depth information data of three-dimensional scenes of the students through a depth camera.
5. The use method of the immersive virtual reality interactive teaching system for building assembly is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: the students enter an interactive classroom, and study the assembled building components by scanning the AR scanning two-dimensional code on the building sand table interactive teaching model through the mobile phone;
step two: a plurality of students wear VR equipment to carry out VR training on the assembly type building post skills, and the students carry out corresponding hand and limb actions according to the building components to carry out component assembly;
step three: the three-dimensional acquisition device simultaneously acquires the hand and limb actions of a plurality of students, the server controls the corresponding virtual roles to carry out corresponding actions according to the actions of the students, meanwhile, the server judges whether the assembly sequence of the building components and the combination mode among the assembly components are correct or not according to the actions of the students, and when the actions of the students are wrong, the server prompts the students.
6. The use method of the immersive interactive virtual reality teaching system for building assembly according to claim 5, wherein:
specifically, in the first step, a plurality of students enter an interactive classroom simultaneously, basic assembly and disassembly operations of the assembled components are learned through buttons arranged on the building sand table interactive teaching model, and the assembled components are independently learned through an AR system.
7. The use method of the immersive interactive virtual reality teaching system for building assembly according to claim 5, wherein:
and step two, the VR practical training of the post skills of the fabricated building mainly comprises the steps that a plurality of students wear VR equipment at the same time, and the virtual simulation units are used for combining virtual components of stairs, rest platform installation, vertical component hoisting preparation, sleeve grouting, outer wall seam treatment, cast-in-place node steel bar binding, cast-in-place node formwork support, prefabricated component transportation and stacking, floor formwork installation, cast-in-place concrete + concrete curing and floor steel bar binding, so that the fabricated building is constructed and assembled.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055396A1 (en) * | 2022-09-14 | 2024-03-21 | 上海智能制造功能平台有限公司 | System and method for interactive teaching of parts assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055396A1 (en) * | 2022-09-14 | 2024-03-21 | 上海智能制造功能平台有限公司 | System and method for interactive teaching of parts assembly |
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