Abstract
The purpose of this study is to explore the ability indices of VR (virtual reality) technology when it is applied to assist the teaching of a welding practice course, develop a VR welding course as the basis of course planning and teaching design, and implement experimental teaching to verify its effectiveness. On the basis of a literature review and focus group interviews, initial ability indices of a VR welding course were proposed. Then, 15 experts from VR- and welding-related specialties were invited to form a consulting team to determine “the ability indices of the VR welding course” according to the results of a Fuzzy Delphi expert questionnaire. Moreover, the results of an ANP (Analytic Network Process) expert questionnaire were used to understand the relative importance of the ability indices of the VR welding course, as well as the relative feasibility of VR-assisted welding teaching, in order to develop a “VR welding course”, in which 34 first-grade students of the welding practice course were taken as the research objects during the implementation of experimental teaching. The qualitative research and analysis results are as follows: (1) the VR welding course includes 8 ability indices and 30 evaluation indices; (2) the item with the highest feasibility in VR-assisted welding teaching is “welding construction”, followed by “map reading and drawing”; (3) best feasibility of VR technology “Interaction” in assisting welding teaching; (4) the relative importance of the ability indices of the VR welding course is the greatest for “welding construction”, followed by “welding inspection”; (5) the VR welding course students express significant positive responses to the learning of ability indices and ability demonstration; (6) the majority of students express significant positive learning satisfaction with VR-assisted welding course teaching. This study puts forward a set of rigorous models for the construction of ability indices for a VR course and course development. It can provide a reference for introducing VR-assisted teaching to related welding courses that are run by universities of science and technology in Taiwan. Furthermore, such VR courses can offer students a safe, diversified, and efficient learning environment.
Highlights
With the rapid growth of the economy and improved industrial technology in Taiwan, welding technology has been widely used as a metal processing method in modern times
After two weeks of experiments, the results demonstrated that, in terms of training effects, the team learning of the virtual reality integrated training (VRI) group outperformed that of students receiving traditional training; material costs of the VRI group were significantly lower than those of the TT group
0.160, “W-6” with a score of 0.141, “W-3” with a score of 0.139, “W-7” with a score of 0.122, “W-2” with a score of 0.121, “W-5” with a score of 0.095, and “W-8” with a score of 0.042. These results show that the application of virtual reality (VR) technology for assisted welding course teaching can be planned according to welding construction items, including flat welding, horizontal welding, vertical welding, overhead welding, pipe axis butt joint, and other welding methods
Summary
With the rapid growth of the economy and improved industrial technology in Taiwan, welding technology has been widely used as a metal processing method in modern times. Safety and Health (NIOSH), the labor population of industrialized countries engaged in welding operations is estimated to be 0.2–2% of the total labor population [2]. Industrialized countries engaged in welding operations is estimated to be 0.2–2% of the total labor. The number of welding operators in Taiwan’s industry is quite large, the employment scope population [2]. The number of welding operators in Taiwan’s industry is quite large, the of those with this skill is very wide, and the demand for human resources is still on the rise, which employment scope of those with this skill is very wide, and the demand for human resources is still shows that the training of welding technology professionals is worthy of attention.
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