Engineering drawing interactive learning method and system
By designing an interactive learning system for engineering drawing, using a human-computer interactive system for drawing and graph recognition and determination systems, the problem of lack of interactivity and customized error correction in the existing technology is solved, and more efficient engineering drawing learning effect is achieved.
Patent Information
- Application Number
- CN202411902922.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-03-21
AI Technical Summary
The existing engineering drawing learning methods lack interactivity and customized error correction, which makes it difficult for students to understand image abstraction and avoid habitual errors during the learning process.
An interactive learning system for engineering drawing is designed, including a human-computer interaction system, an information resource system, a graph recognition and determination system and a learning analysis system. Through interactive devices such as tablets and mobile phones, images, sound and other information are provided, and students are allowed to input interactive feedback information to achieve real-time error correction and customized learning.
Through interactive learning and real-time feedback, the system helps students better understand engineering drawing knowledge, reduce habitual errors, improve professional abilities, and achieve better results compared with traditional methods.
Smart Images
Figure CN119671806A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of higher education, and in particular to an interactive learning method and system for engineering drawing. Background Art
[0002] The interactive learning method of engineering drawing is a higher education course. Engineering drawing is a required course for engineering majors and engineering practitioners at the higher education level. In the learning process, there are problems such as abstract images that are difficult to understand and lack of guidance that are prone to errors. Especially in the learning process, guidance and interactive error correction between teachers and students are needed to avoid habitual mistakes and improve professional ability. With the continuous development of science and technology, people's requirements for engineering drawing learning methods are getting higher and higher.
[0003] The existing engineering drawing learning method has certain drawbacks when used. Due to limited teaching resources, the existing information resources are mostly video resources. Although they can be used for self-study, they cannot achieve the effect of error correction and customized learning. Therefore, an interactive learning method and system for engineering drawing is invented, which can be used for engineering drawing learning, and customized error correction and guidance for problems in the learning process can be performed to achieve better results. To this end, we propose an interactive learning method and system for engineering drawing. Summary of the invention
[0004] In view of the deficiencies in the prior art, the present invention provides an interactive learning method and system for engineering drawing. The interactive devices are tablet computers and mobile phones, etc., on which the drawing human-computer interaction system in this application can be installed and run, and is used for information transmission between students and the interactive system, including providing students with images, sounds and other information through interactive devices, and students inputting interactive feedback information through the devices during the learning process, which can effectively solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an engineering drawing interactive learning system, including a drawing human-computer interaction system, an information resource system, a graphic recognition and judgment system and a learning analysis system, the drawing human-computer interaction system is provided with a knowledge selection module, the information resource system is provided with a preset knowledge push module, the graphic recognition and judgment system is provided with a subjective and objective question judgment module and a graphic drawing judgment module, the learning analysis system is provided with a knowledge association analysis module, a knowledge mastery analysis and a user portrait drawing module, the drawing human-computer interaction system is connected to the information resource system, the information resource system is connected to the graphic recognition and judgment system, and the graphic recognition and judgment system is connected to the learning analysis system.
[0006] As a preferred technical solution of the present application, the output end of the mapping human-computer interaction system is connected to the input end of the information resource system, the output end of the information resource system is connected to the input end of the graphic recognition and judgment system, and the output end of the graphic recognition and judgment system is connected to the input end of the learning analysis system.
[0007] As a preferred technical solution of the present application, the mapping human-computer interaction system includes content level selection and chapter selection, and the content level selection comes first and the chapter selection comes later.
[0008] As a preferred technical solution of the present application, the information resource system includes theoretical learning and practical learning. The theoretical learning includes pictures, text descriptions and demonstration videos, and the practical learning includes assembly line drawing, component surveying and mapping, and engineering drawing.
[0009] As a preferred technical solution of the present application, the graphic recognition and determination system includes interactive exercises and interactive drawings. The interactive exercises include pictures, text descriptions and demonstration videos. The interactive drawings include step demonstrations, follow-up drawings and error prompts.
[0010] As a preferred technical solution of the present application, the learning analysis system includes feedback analysis, and the feedback analysis includes error summary, customized learning and reinforcement practice.
[0011] An interactive learning method for engineering drawing includes the following steps: S1: The learning system uses videos to introduce the functions of the gear pump end cover, allowing students to form a basic understanding; S2: The learning system uses the shape analysis method in engineering drawing to gradually display the composition of the three-dimensional structure of the parts and explain the order of drawing drawings; S3: The learning system asks questions about the direction and type of the main view through multiple-choice questions. Students give their answer options, and the system determines the rationality and gives reference answers. S4: The learning system asks questions about the size and scale of the map through multiple-choice questions, and the students give the answer options; S5: The learning system explains the drawing process step by step, including the position of each line and the choice of line type, and then automatically draws to demonstrate the drawing process, so that students have a clear understanding; S6: Based on the case explained, students use the drawing tools to draw the parts in the drawing area below. After the drawing is completed, click Submit. S7: The learning system automatically determines whether the shape, position, and line size of the figure drawn by the student are correct, determines whether the figure annotation is reasonable, and gives a corresponding score based on the preset conditions. Finally, the system gives reference drawing steps for the wrong places again through video display, text explanation, etc.; S8: The learning system analyzes the answers to each part of the learning process, including answering time, accuracy, error types, and other information, and combines the knowledge graph to give the specific situation of the students' knowledge mastery, summarize the weak points of knowledge, and provide corresponding tutoring information resources.
[0012] As a preferred technical solution of the present application, the steps S1-S8 are a learning analysis system based on a knowledge graph, which mainly utilizes knowledge graph technology to deconstruct the knowledge points of engineering drawing, extract the content of each knowledge point and their relationships, and at the same time, also deconstruct the knowledge points of the pushed videos, questions, and drawings, and associate the problems in the interactive system with the problems of the course knowledge points. The learning analysis system mainly targets the human-computer interaction system for drawing, judges the interaction, answering, and drawing of the students, analyzes whether the answers are correct, and summarizes the specific knowledge points and relevance involved in the errors in combination with knowledge graph technology.
[0013] Compared with the prior art, the present invention provides an engineering drawing interactive learning method and system, which has the following beneficial effects: the engineering drawing interactive learning method and system, the interactive device is a tablet computer and a mobile phone, etc., on which the drawing human-computer interaction system in the present application can be installed and run, and is used for information transmission between the trainee and the interactive system, including providing the trainee with images, sounds and other information through the interactive device, and the trainee inputting interactive feedback information through the device during the learning process; The resources that students receive during theoretical learning include text, pictures, web links, audio, video, etc. The learning process is organized in the form of question guidance, theoretical lectures, and intensive exercises, among which the intensive exercises can be in the form of multiple-choice questions and subjective questions. Based on the students' answers, the learning analysis system based on the knowledge graph can analyze the weak points of the students' knowledge mastery, summarize the correlation between knowledge, and continue to push related knowledge points to strengthen the improvement of their abilities.
[0014] Practical learning mainly involves drawing practice using an interactive system. Engineering drawing is highly practical, and the present invention focuses on solving the problem of practical learning. Students enter the practical learning phase, and the types of practical learning mainly include basic knowledge of drawing, assembly line filling and drawing, component surveying and mapping, and engineering drawing drawing.
[0015] The basic knowledge of cartography is mainly based on the national standards related to cartography. It uses the cartography human-computer interaction system to enter the learning tutorial, and guides students to learn how to operate the interactive system to perform drawing operations in the form of text, audio and video.
[0016] The main forms of the combination line filling and drawing include filling in the missing lines in the given combination, or drawing a complete combination. When filling in the lines, students use tools to draw the lines. After the drawing is completed, the graphic recognition and judgment system will feedback whether the position and line type of the drawn lines are correct, and provide tutorials and answer analysis.
[0017] Component mapping mainly involves independent drawing of existing three-dimensional structures, which are preset three-dimensional models or solid models. After the system gives the tutorial, students need to use the interactive system to draw the structure. After all the content is drawn, the graphic recognition and judgment system will independently judge whether the graphic structure, line type, and size drawn by the students are correct, and give the wrong content and related knowledge points for further improvement. The entire interactive learning method for engineering drawing has a simple structure, is easy to operate, and has better results than traditional methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The present invention is a schematic diagram of the operation flow of an interactive learning method and system for engineering drawing.
[0019] Figure 2 The present invention provides an interactive learning method for engineering drawing and a schematic diagram of a college drawing in the system.
[0020] Figure 3 The present invention provides an interactive learning method for engineering drawing and a schematic diagram of a system determination solution in the system. DETAILED DESCRIPTION
[0021] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] like Figure 1-3 As shown, an engineering drawing interactive learning system includes a drawing human-computer interaction system, an information resource system, a graphic recognition and judgment system and a learning analysis system. The drawing human-computer interaction system is provided with a knowledge selection module, the information resource system is provided with a preset knowledge push module, the graphic recognition and judgment system is provided with a subjective and objective question judgment module and a graphic drawing judgment module, the learning analysis system is provided with a knowledge association analysis module, a knowledge mastery analysis and a user portrait drawing module, the drawing human-computer interaction system is connected to the information resource system, the information resource system is connected to the graphic recognition and judgment system, and the graphic recognition and judgment system is connected to the learning analysis system.
[0024] The output end of the mapping human-computer interaction system is connected to the input end of the information resource system, the output end of the information resource system is connected to the input end of the graphic recognition and determination system, and the output end of the graphic recognition and determination system is connected to the input end of the learning and analysis system.
[0025] The mapping human-computer interaction system includes content level selection and chapter selection, and the content level selection is first and the chapter selection is second.
[0026] The information resource system includes theoretical learning and practical learning. Theoretical learning includes pictures, text descriptions and demonstration videos, and practical learning includes assembly line drawing, component surveying and mapping, and engineering drawing.
[0027] The graphic recognition and determination system includes interactive exercises and interactive drawings. The interactive exercises include pictures, text descriptions and demonstration videos, and the interactive drawings include step demonstrations, follow-up drawings and error prompts.
[0028] The learning analysis system includes feedback analysis, which includes error summary, customized learning and reinforcement practice.
[0029] An interactive learning method for engineering drawing includes the following steps: S1: The learning system uses videos to introduce the functions of the gear pump end cover, allowing students to form a basic understanding; S2: The learning system uses the shape analysis method in engineering drawing to gradually display the composition of the three-dimensional structure of the parts and explain the order of drawing drawings; S3: The learning system asks questions about the direction and type of the main view through multiple-choice questions. Students give their answer options, and the system determines the rationality and gives reference answers. S4: The learning system asks questions about the size and scale of the map through multiple-choice questions, and the students give the answer options; S5: The learning system explains the drawing process step by step, including the position of each line and the choice of line type, and then automatically draws to demonstrate the drawing process, so that students have a clear understanding; S6: Based on the case explained, students use the drawing tools to draw the parts in the drawing area below. After the drawing is completed, click Submit. S7: The learning system automatically determines whether the shape, position, and line size of the figure drawn by the student are correct, determines whether the figure annotation is reasonable, and gives a corresponding score based on the preset conditions. Finally, the system gives reference drawing steps for the wrong places again through video display, text explanation, etc.; S8: The learning system analyzes the answers to each part of the learning process, including answering time, accuracy, error types, and other information, and combines the knowledge graph to give the specific situation of the students' knowledge mastery, summarize the weak points of knowledge, and provide corresponding tutoring information resources.
[0030] Furthermore, steps S1-S8 are a learning analysis system based on knowledge graphs, which mainly use knowledge graph technology to deconstruct the knowledge points of engineering drawing, extract the content and mutual relationships of each knowledge point, and at the same time, deconstruct the knowledge points of the pushed videos, questions, and drawings, and link the problems in the interactive system with the problems of the course knowledge points. The learning analysis system mainly targets the human-computer interaction system of drawing, judges the interaction, answering, and drawing of the students, analyzes whether the answers are correct, and combines knowledge graph technology to summarize the specific knowledge points and relevance involved in the errors.
[0031] An interactive learning method and system for engineering drawing, the system includes interactive equipment, a drawing human-computer interaction system, a graphic recognition and judgment system, a learning analysis system based on knowledge graphs, and an information resource system.
[0032] The interactive devices are tablet computers and mobile phones, etc., on which the mapping human-computer interaction system of the present invention can be installed and run, and are used for information transmission between students and the interactive system, including providing students with images, sounds and other information through interactive devices, and students inputting interactive feedback information through the devices during the learning process.
[0033] The drawing human-computer interaction system is used for students to learn and interact. On the one hand, the drawing human-computer interaction system can provide students with basic interactions such as multiple-choice questions, true-or-false questions, and short-answer questions. Students can enter options, text, and other information; on the other hand, the drawing human-computer interaction system provides students with tools for engineering drawing, including but not limited to drawing straight lines, arcs (circles), wavy lines, and other lines on the interactive system. The line types of the drawn lines include but are not limited to thin solid lines, thick solid lines, dotted lines, dot-dash lines, double-dash-dot lines, section lines, etc. The line thickness and color are adjustable, and it also provides the functions of erasing (erasing), cutting, moving, copying, mirroring, arraying, and other transformations for the drawn graphics.
[0034] The graphic recognition and judgment system is mainly used to judge whether the graphics drawn by students using the human-computer interaction system are correct and compliant, including whether the position of the graphics is correct, whether the line type of the graphics is correct, and whether the angle of the graphics (horizontal, vertical, aligned) is correct. At the same time, it also has the function of fuzzy judgment for graphics with unfixed positions. Secondly, the judgment system can judge whether the multiple-choice questions, true-or-false questions, and short-answer questions fed back by students are correct based on the preset answers, and has the function of basic language judgment for short-answer questions.
[0035] The learning analysis system based on the knowledge graph mainly uses the knowledge graph technology to deconstruct the knowledge points of engineering drawing, extract the content and mutual relationship of each knowledge point, and at the same time, it also deconstructs the knowledge points of the videos, questions, and drawings pushed by the present invention, and associates the questions in the interactive system with the questions of the course knowledge points. The learning analysis system mainly focuses on the human-computer interactive system for drawing in the present invention, judges the interaction, answering, and drawing of the students, analyzes whether the answers are correct, and summarizes the specific knowledge points and relevance involved in the errors in combination with the knowledge graph technology.
[0036] The information resource system is mainly used to collect and push knowledge points related to engineering drawing. The knowledge points can be customized according to the learning content of engineering drawing and presented in the form of chapters and summaries. The expression of knowledge point information includes but is not limited to text, pictures, web links, audio, video, and graphic exercises. Before, during, and after class, relevant local and Internet learning resources and corresponding exercises can be pushed to students under preset conditions as specific resources for students to learn and test their learning results.
[0037] When students are learning engineering drawing, they can use the learning system of the present invention to learn independently. First, students use an interactive device to open the learning system of the present invention. They can choose occupations and levels, including mechanical drawing, architectural drawing and other directions. Level selection includes entry-level learning and advanced learning, etc. Different choices lead to different focuses on the corresponding learning content. Then, chapter selection is performed to learn specific content.
[0038] Learning mainly includes two aspects: theoretical learning and practical learning.
[0039] The resources that students receive during theoretical learning include text, pictures, web links, audio, video, etc. The learning process is organized in the form of question guidance, theoretical lectures, and intensive exercises, among which the intensive exercises can be in the form of multiple-choice questions and subjective questions. Based on the students' answers, the learning analysis system based on the knowledge graph can analyze the weak points of the students' knowledge mastery, summarize the correlation between knowledge, and continue to push related knowledge points to strengthen the improvement of their abilities.
[0040] Practical learning mainly involves drawing practice using an interactive system. Engineering drawing is highly practical, and the present invention focuses on solving the problem of practical learning. Students enter the practical learning phase, and the types of practical learning mainly include basic knowledge of drawing, assembly line filling and drawing, component surveying and mapping, and engineering drawing drawing.
[0041] The basic knowledge of cartography is mainly based on the national standards related to cartography. It uses the cartography human-computer interaction system to enter the learning tutorial, and guides students to learn how to operate the interactive system to perform drawing operations in the form of text, audio and video.
[0042] The main forms of the combination line filling and drawing include filling in the missing lines in the given combination, or drawing a complete combination. When filling in the lines, students use tools to draw the lines. After the drawing is completed, the graphic recognition and judgment system will feedback whether the position and line type of the drawn lines are correct, and provide tutorials and answer analysis.
[0043] Parts mapping mainly involves independent drawing of existing three-dimensional structures, which are preset three-dimensional models or solid models. After the system gives the tutorial, students need to use the interactive system to draw the structure. After all the content is drawn, the graphic recognition and judgment system will independently judge whether the graphic structure, line type, and size drawn by the students are correct, and give the wrong content and related knowledge points for further improvement.
[0044] Engineering drawing drawing is to draw complete engineering drawings of existing components. Taking the gear pump end cover parts drawing as an example, the specific practical learning process is shown below.
[0045] (1) The learning system uses videos to introduce the functions of the gear pump end cover, allowing students to form a basic understanding.
[0046] (2) The learning system uses the shape analysis method in engineering drawing to gradually display the composition of the three-dimensional structure of the parts and explain the order of drawing drawings.
[0047] (3) The learning system asks multiple-choice questions about the direction of the main view and the view type. Students provide answer options, and the system determines the rationality and gives a reference answer.
[0048] (4) The learning system asks questions about the size and scale of the map through multiple-choice questions, and students provide answer options.
[0049] (5) The learning system explains the drawing process step by step, down to the specific position of each line and the choice of line type, and then automatically draws and demonstrates the drawing process, giving students a clear understanding.
[0050] (6) Based on the case study, students use the drawing tools in the drawing area below to draw the part drawing. After the drawing is completed, click Submit.
[0051] (7) The learning system automatically determines whether the shape, position, and line size of the figure drawn by the student are correct, whether the figure annotation is reasonable, and gives a corresponding score based on the preset conditions. Finally, the reference drawing steps for the wrong places are given again through video display, text explanation, etc.
[0052] (8) The learning system analyzes the responses to each part of the learning process, including response time, accuracy, error types, and other information. It combines this information with the knowledge graph to provide a detailed picture of the students’ knowledge mastery, summarize their weak points, and provide corresponding tutoring information resources.
[0053] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.
Claims
1. An engineering drawing interactive learning system, comprising a drawing human-computer interaction system, an information resource system, a graphic recognition and determination system, and a learning analysis system, characterized in that: The cartographic human-computer interaction system is provided with a knowledge selection module, the information resource system is provided with a preset knowledge push module, the graphic recognition and determination system is provided with a subjective and objective question determination module and a graphic drawing determination module, the learning analysis system is provided with a knowledge association analysis module, a knowledge mastery analysis and a user portrait drawing module, the cartographic human-computer interaction system is connected to the information resource system, the information resource system is connected to the graphic recognition and determination system, and the graphic recognition and determination system is connected to the learning analysis system; the cartographic human-computer interaction system includes content level selection and chapter selection, and the content level selection is in the front and the chapter selection is in the back; the information resource system includes theoretical learning and practical learning, the theoretical learning includes pictures, text descriptions and demonstration videos, and the practical learning includes assembly line drawing, component mapping and engineering drawing; the graphic recognition and determination system includes interactive exercises and interactive drawing, the interactive exercises include pictures, text descriptions and demonstration videos, and the interactive drawing includes step demonstration, following drawing and error prompts; the learning analysis system includes feedback analysis, and the feedback analysis includes error summary, customized learning and reinforcement exercises.
2. The interactive learning system for engineering drawing according to claim 1, characterized in that: The output end of the mapping human-computer interaction system is connected to the input end of the information resource system, the output end of the information resource system is connected to the input end of the graphic recognition and determination system, and the output end of the graphic recognition and determination system is connected to the input end of the learning analysis system.
3. An interactive learning method for engineering drawing, characterized by: The specific steps include the following: S1: The learning system uses videos to introduce the functions of the gear pump end cover, allowing students to form a basic understanding; S2: The learning system uses the shape analysis method in engineering drawing to gradually display the composition of the three-dimensional structure of the parts and explain the order of drawing drawings; S3: The learning system asks questions about the direction and type of the main view through multiple-choice questions. Students give their answer options, and the system determines the rationality and gives reference answers. S4: The learning system asks questions about the size and scale of the map through multiple-choice questions, and the students give the answer options; S5: The learning system explains the drawing process step by step, including the position of each line and the choice of line type, and then automatically draws to demonstrate the drawing process, so that students have a clear understanding; S6: Based on the case explained, students use the drawing tools to draw the parts in the drawing area below. After the drawing is completed, click Submit. S7: The learning system automatically determines whether the shape, position, and line size of the figure drawn by the student are correct, determines whether the figure annotation is reasonable, and gives a corresponding score based on the preset conditions. Finally, the system gives reference drawing steps for the wrong places again through video display, text explanation, etc.; S8: The learning system analyzes the answers to each part of the learning process, including answering time, accuracy, error types, and other information, and combines the knowledge graph to give the specific situation of the students' knowledge mastery, summarize the weak points of knowledge, and provide corresponding tutoring information resources.
4. The interactive learning method for engineering drawing according to claim 3, characterized in that: The steps S1-S8 are a learning analysis system based on knowledge graphs, which mainly use knowledge graph technology to deconstruct the knowledge points of engineering drawing, extract the content and mutual relationships of each knowledge point, and at the same time, also deconstruct the knowledge points of the pushed videos, questions, and drawings, and associate the problems in the interactive system with the problems of the course knowledge points. The learning analysis system mainly targets the human-computer interaction system for drawing, judges the interaction, answering, and drawing of the students, analyzes whether the answers are correct, and combines knowledge graph technology to summarize the specific knowledge points and relevance involved in the errors.