Research On Classroom Teaching Practice Of Mechanical Drawing In Secondary Vocational School Based On AR Technology

Into the information age,computer technology and digital media technology has given rise to many new interactive means,including VR / AR technology,namely virtual reality and augmented reality,is one of the current discussion and research heat the highest technology,education field and the combination of information technology is the focus of education research in recent years.It have issued a number of policy documents in China to promote schools to reform and innovate in all aspects of teaching through new information means.AR technology as a new digital interactive technology in recent years,in the field of research and application of education gradually increasing,how to use AR technology real experience,real-time interaction and immersive experience to explore the new teaching mode,make knowledge and concept more vividly display is one of the focus of research under the background of the new era.By analyzing the literature on the application of AR technology in the teaching field,Understand the combined methods and models of the AR technology and education,And through the theory of cognitivism,multiple intelligence theory and visual communication theory to analyze the theoretical basis of the application of AR technology in classroom teaching;Then investigate the teaching status of mechanical drawing students in secondary vocational schools from three aspects of teachers,students and classroom observation,Analyze and summarize the design direction based on AR technology classroom teaching;According to the nature of the curriculum of "Mechanical mapping" and the needs of classroom teaching,Using Unity3 D software to design and produce AR auxiliary teaching software based on mobile terminal platform,And use Solidworks,3ds Max,Wancai animation master and other software for software internal teaching resources development,The software has the functions of AR 3 D model observation,courseware review and exercise test,It can realize the functions of creating scenes in class,assisting students to think about three-dimensional model space,promoting students ’cooperation and communication,consolidating students’ learning knowledge and so on;Then,based on the teaching survey results,Design the teaching mode with the concept of "teacher-led,student-oriented,emphasizing inquiry and strong interaction",Analysis of the curriculum materials of mechanical drawing in secondary vocational schools,Select the section "Drawing method of combined three views" as the teaching practice case,Instructional design;By using the experimental study methods,The teaching practice of experimental class and control class,Finally,the classroom teaching effect based on AR technology is analyzed through the methods of test,questionnaire and classroom observation.The results of teaching practice show that the classroom teaching based on AR technology can improve students ’enthusiasm in class,cultivate students’ ability of independent inquiry and spatial thinking,and give full play to the status of students’ learning subject.In this study,AR technology is integrated into the classroom teaching of Mechanical Drawing in secondary vocational schools,and provides a design idea of AR auxiliary teaching software development,in order to provide valuable reference for the classroom teaching practice of AR technology in Mechanical Drawing in secondary vocational schools.