CN113554906A - Online education system based on 3D printing - Google Patents
Online education system based on 3D printing Download PDFInfo
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- 238000010146 3D printing Methods 0.000 title claims abstract description 62
- 238000007726 management method Methods 0.000 claims abstract description 93
- 238000011156 evaluation Methods 0.000 claims abstract description 52
- 238000012549 training Methods 0.000 claims abstract description 21
- 238000003062 neural network model Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 20
- 238000004088 simulation Methods 0.000 claims description 18
- 238000013441 quality evaluation Methods 0.000 claims description 10
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- 238000012360 testing method Methods 0.000 claims description 3
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Abstract
The invention provides an online education system based on 3D printing, which relates to the field of online education systems and comprises a teacher management subsystem and a student management subsystem; the teacher management subsystem comprises a teacher management module, a teaching management module and an exercise management module; the teaching management module is used for uploading a course content list, playing an online video, generating a video watching report and managing course chapter evaluation; the student management subsystem comprises a student management module, a course management module, an exercise module and a learning path planning module; the learning path planning module is used for learning path planning to obtain an optimal learning path planned in real time. The invention solves the problems that 3D printing is not widely applied in the field of education in the prior art; meanwhile, the course can be evaluated, neural network model training is carried out based on the evaluation result, the optimal learning path is obtained and planned, and students are helped to carry out online 3D printing education planning.
Description
Technical Field
The invention relates to the field of online education systems, in particular to an online education system based on 3D printing.
Background
The 3D printing technology is the latest rapid prototyping device using technologies such as photocuring and paper lamination, which is occurring in the middle of the 90 s of the 20 th century. The 3D printing and the common printing work principle are basically the same, the printing materials such as liquid or powder are installed in the 3D printer, after the 3D printer is connected with a computer, the printing materials are overlapped layer by layer under the control of the computer, and finally, a blueprint on the computer is changed into a real object.
Currently, 3D printing has been widely used in the industrial field, but not in the educational field. In order to promote 3D printing education, a special 3D printing classroom is set up in many middle and primary schools, a large amount of large-scale equipment such as laser engraving machines, numerical control machines and the like is introduced, a 3D printing space is set up by a plurality of mechanisms under social funding, a plurality of equipment is introduced, and the equipment is idle for most of time, so that huge waste of resources is caused; yet another problem is: the existing 3D printing education has courses, the courses are basically not combined with the existing classroom teaching contents, the support of teachers cannot be obtained, and students taking 3D printing education cannot really master the principle of the education contents.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention is directed to providing an online education system based on 3D printing, which aims to solve the problems in the prior art that 3D printing is not widely used in the education field; meanwhile, the course can be evaluated, neural network model training is carried out based on the evaluation result, the optimal learning path is obtained and planned, and students are helped to carry out online 3D printing education planning.
The invention provides an online education system based on 3D printing, which comprises a teacher management subsystem and a student management subsystem;
the teacher management subsystem comprises a teacher management module, a teaching management module and an exercise management module;
the teacher management module is used for teacher account information management, account password information management and account login information management;
the teaching management module is used for uploading a course content list, playing an online video, generating a video watching report and managing course chapter evaluation;
the exercise management module is used for uploading an after-class exercise content list and uploading 3D printing materials;
the student management subsystem comprises a student management module, a course management module, an exercise module and a learning path planning module;
the student management module is used for student account information management, account password information management and account login information management;
the course management module is used for reminding course time, storing course chapter notes and storing course chapter evaluation results;
the practice module is used for practicing content list acquisition, 3D printing material acquisition and 3D printing simulation after class;
the learning path planning module is used for learning path planning to obtain an optimal learning path planned in real time.
The online education system is divided into the teacher management subsystem and the student management system, different objects are managed respectively, and information management is clearer; the course can be evaluated through the education management module, neural network model training is carried out based on the evaluation result, the optimal learning path is obtained and planned, and students are helped to carry out online 3D printing education planning.
In an embodiment of the present invention, the teaching management module includes a course content list, an online video player, a video viewing report unit, a chapter evaluation unit, and a chapter evaluation report unit;
the course content list provides 3D modeling course titles, chapters and section names, and provides playing links from each chapter and section name to corresponding course live video files and recorded video files;
the online video player plays corresponding chapters, lesson programs live video files and recorded video files according to the playing request of the student;
the video watching report unit monitors the playing time of each chapter, program live video file and recorded video file played by students, and generates a visual report by statistics;
the chapter evaluation unit monitors the playing conditions of each chapter, lesson program live video file and recorded video file played by students, and after each chapter, lesson program live video file and recorded video file are played, an evaluation test question corresponding to the lesson program is popped up in a dialog box mode for the students to input answers;
and the chapter evaluation report unit counts the correct rate of the answers according to the answers input by the students and generates a visual report.
In an embodiment of the present invention, the student management subsystem further includes a teaching quality evaluation module, and the teaching quality evaluation module performs interval judgment on the answer accuracy rate of the chapter evaluation report unit statistics, and determines a teaching quality evaluation range.
In an embodiment of the present invention, the exercise management module includes a post-session exercise content list, a 3D printing material storage unit, and a 3D printing simulation unit;
the post-lesson exercise content list provides titles, chapters and section names of 3D modeling courses and provides exercise links from each chapter and section name to corresponding post-lesson exercises;
the 3D printing material storage unit opens the 3D printing material corresponding to the chapter and the lesson program according to the exercise request of the student;
the 3D printing simulation unit performs 3D printing simulation based on the exercise request and the 3D printing material.
In an embodiment of the present invention, the learning path planning module includes a course simulation unit, a strategy training unit and a path planning unit;
the course simulation unit collects the 3D printing course titles, chapters, section names and the evaluation results of the chapter evaluation unit, which are learned by a plurality of students on line;
the strategy training unit carries out neural network model training based on the 3D modeling course titles, chapters and section names of online learning of a plurality of students and the evaluation results of the chapter evaluation unit to obtain a path planning strategy based on the evaluation results;
the path planning unit carries out path planning on the target students in real time, and obtains the optimal learning path planned by the target students in real time based on the current evaluation result of the target students according to the path planning strategy output by the strategy training unit.
In an embodiment of the present invention, the course content list and the post-course exercise content list are both displayed in a tree menu form.
As described above, the online education system based on 3D printing according to the present invention has the following advantages: the online education system is divided into the teacher management subsystem and the student management system, different objects are managed respectively, and information management is clearer; the course can be evaluated through the education management module, neural network model training is carried out based on the evaluation result, the optimal learning path is obtained and planned, and students are helped to carry out online 3D printing education planning.
Drawings
Fig. 1 is a block diagram showing the construction of a 3D printing-based online education system disclosed in the embodiment of the present invention.
Fig. 2 is a block diagram showing a structure of a teaching management module disclosed in an embodiment of the present invention.
Fig. 3 is a block diagram showing the construction of an online education system having a teaching quality evaluation module disclosed in the embodiment of the present invention.
Fig. 4 is a block diagram showing the structure of the exercise management module disclosed in the embodiment of the present invention.
Fig. 5 is a block diagram illustrating a structure of a learned path planning module disclosed in an embodiment of the present invention.
FIG. 6 is a schematic diagram of the strategy training unit disclosed in the embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the present invention provides an online education system based on 3D printing, which includes a teacher management subsystem and a student management subsystem;
the teacher management subsystem comprises a teacher management module, a teaching management module and an exercise management module;
the teacher management module is used for teacher account information management, account password information management and account login information management;
the teaching management module is used for uploading a course content list, playing an online video, generating a video watching report and managing course chapter evaluation;
the exercise management module is used for uploading an after-class exercise content list and uploading 3D printing materials;
the student management subsystem comprises a student management module, a course management module, an exercise module and a learning path planning module;
the student management module is used for student account information management, account password information management and account login information management;
the course management module is used for reminding course time, storing course chapter notes and storing course chapter evaluation results;
the practice module is used for practicing content list acquisition, 3D printing material acquisition and 3D printing simulation after class;
the learning path planning module is used for learning path planning to obtain an optimal learning path planned in real time.
Referring to fig. 2, the teaching management module includes a course content list, an online video player, a video viewing report unit, a chapter evaluation unit, and a chapter evaluation report unit;
the course content list provides 3D modeling course titles, chapters and section names, and provides playing links from each chapter and section name to corresponding course live video files and recorded video files; wherein, the course content list is displayed in a tree menu form.
The online video player plays corresponding chapters, lesson programs live video files and recorded video files according to the playing request of the student;
the video watching report unit monitors the playing time of each chapter, program live video file and recorded video file played by students, and generates a visual report by statistics;
the chapter evaluation unit monitors the playing conditions of each chapter, lesson program live video file and recorded video file played by students, and after each chapter, lesson program live video file and recorded video file are played, an evaluation test question corresponding to the lesson program is popped up in a dialog box mode for the students to input answers;
and the chapter evaluation report unit counts the correct rate of the answers according to the answers input by the students and generates a visual report.
Referring to fig. 3, the student management subsystem further includes a teaching quality evaluation module, and the teaching quality evaluation module performs interval judgment on the answer accuracy rate counted by the chapter evaluation report unit to determine a teaching quality evaluation range.
For example, the preset answer accuracy interval is 'poor' between 0% and 30%, the answer accuracy interval is 'medium' between 30% and 60%, the answer accuracy interval is 'good' between 60% and 90%, and the answer accuracy interval is 'excellent' between 90% and 100%; if the answer accuracy is 40%, the teaching quality is evaluated as "middle".
Referring to fig. 4, the exercise management module includes a post-session exercise content list, a 3D printing material storage unit, and a 3D printing simulation unit;
the post-lesson exercise content list provides 3D modeling lesson titles, chapters and section names, and provides exercise links from each chapter and section name to corresponding post-lesson exercises, wherein the post-lesson exercise content list is displayed in a tree menu form.
The 3D printing material storage unit opens the 3D printing material corresponding to the chapter and the lesson program according to the exercise request of the student;
the 3D printing simulation unit performs 3D printing simulation based on the exercise request and the 3D printing material.
Referring to fig. 5, the learning path planning module includes a course simulation unit, a strategy training unit, and a path planning unit;
the course simulation unit collects the 3D printing course titles, chapters, section names and the evaluation results of the chapter evaluation unit, which are learned by a plurality of students on line;
the strategy training unit carries out neural network model training based on the 3D modeling course titles, chapters and section names of online learning of a plurality of students and the evaluation results of the chapter evaluation unit to obtain a path planning strategy based on the evaluation results;
referring to fig. 6, the working principle of the strategy training unit is as follows:
s1.1: mapping titles, chapter and section names of 3D modeling courses learned by students on line and evaluation results one by one to generate training samples;
s1.2: inputting the training sample into the convolution layer of the neural network model for linear transformation;
s1.3: carrying out nonlinear transformation on the data after each convolution processing by using a ReLU activation function;
s1.4: using a Max Pooling layer to carry out down-sampling on the data after each nonlinear change;
s1.5: and inputting the downsampled data into a full-connection layer to obtain a path planning strategy based on an evaluation result.
The path planning unit carries out path planning on the target students in real time, and obtains the optimal learning path planned by the target students in real time based on the current evaluation result of the target students according to the path planning strategy output by the strategy training unit.
The operating principle of the path planning unit is as follows: the evaluation result of the current learning of the target student is input into the trained neural network model to obtain a path planning strategy based on the evaluation result, and the optimal learning path planned by the target student in real time is obtained.
In conclusion, the online education system is divided into the teacher management subsystem and the student management system, different objects are managed respectively, and information management is clearer; the course can be evaluated through the education management module, neural network model training is carried out based on the evaluation result, the optimal learning path is obtained and planned, and students are helped to carry out online 3D printing education planning. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides an online education system based on 3D prints which characterized in that: the online education system comprises a teacher management subsystem and a student management subsystem;
the teacher management subsystem comprises a teacher management module, a teaching management module and an exercise management module;
the teacher management module is used for teacher account information management, account password information management and account login information management;
the teaching management module is used for uploading a course content list, playing an online video, generating a video watching report and managing course chapter evaluation;
the exercise management module is used for uploading an after-class exercise content list and uploading 3D printing materials;
the student management subsystem comprises a student management module, a course management module, an exercise module and a learning path planning module;
the student management module is used for student account information management, account password information management and account login information management;
the course management module is used for reminding course time, storing course chapter notes and storing course chapter evaluation results;
the practice module is used for practicing content list acquisition, 3D printing material acquisition and 3D printing simulation after class;
the learning path planning module is used for learning path planning to obtain an optimal learning path planned in real time.
2. The 3D printing-based online education system of claim 1 wherein: the teaching management module comprises a course content list, an online video player, a video watching report unit, a chapter evaluation unit and a chapter evaluation report unit;
the course content list provides 3D modeling course titles, chapters and section names, and provides playing links from each chapter and section name to corresponding course live video files and recorded video files;
the online video player plays corresponding chapters, lesson programs live video files and recorded video files according to the playing request of the student;
the video watching report unit monitors the playing time of each chapter, program live video file and recorded video file played by students, and generates a visual report by statistics;
the chapter evaluation unit monitors the playing conditions of each chapter, lesson program live video file and recorded video file played by students, and after each chapter, lesson program live video file and recorded video file are played, an evaluation test question corresponding to the lesson program is popped up in a dialog box mode for the students to input answers;
and the chapter evaluation report unit counts the correct rate of the answers according to the answers input by the students and generates a visual report.
3. The 3D printing-based online education system of claim 2 wherein: the student management subsystem further comprises a teaching quality evaluation module, and the teaching quality evaluation module performs interval judgment on the answer accuracy rate of the chapter evaluation report unit statistics to determine a teaching quality evaluation range.
4. The 3D printing-based online education system of claim 3 wherein: the exercise management module comprises a post-class exercise content list, a 3D printing material storage unit and a 3D printing simulation unit;
the post-lesson exercise content list provides titles, chapters and section names of 3D modeling courses and provides exercise links from each chapter and section name to corresponding post-lesson exercises;
the 3D printing material storage unit opens the 3D printing material corresponding to the chapter and the lesson program according to the exercise request of the student;
the 3D printing simulation unit performs 3D printing simulation based on the exercise request and the 3D printing material.
5. The 3D printing-based online education system of claim 2 wherein: the learning path planning module comprises a course simulation unit, a strategy training unit and a path planning unit;
the course simulation unit collects the 3D printing course titles, chapters, section names and the evaluation results of the chapter evaluation unit, which are learned by a plurality of students on line;
the strategy training unit carries out neural network model training based on the 3D modeling course titles, chapters and section names of online learning of a plurality of students and the evaluation results of the chapter evaluation unit to obtain a path planning strategy based on the evaluation results;
the path planning unit carries out path planning on the target students in real time, and obtains the optimal learning path planned by the target students in real time according to the path planning strategy output by the strategy training unit and based on the current evaluation result of the target students.
6. The 3D printing-based online education system of claim 4 wherein: the course content list and the post-course exercise content list are displayed in a tree menu form.
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CN103531046A (en) * | 2013-10-29 | 2014-01-22 | 广东小天才科技有限公司 | Learning monitoring method and device based on usage data of learning product |
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