This paper focuses on the use of virtual reality (VR) systems for teaching industrial assembly tasks and studies the influence of the interaction technology on the learning process. The experiment conducted follows a between-subjects design with 60 participants distributed in five groups. Four groups were trained on the target assembly task with a VR system, but each group used a different interaction technology: mouse-based, Phantom Omni® haptic, and two configurations of the Markerless Motion Capture (Mmocap) system (with 2D or 3D tracking of hands). The fifth group was trained with a video tutorial. A post-training test carried out the day after evaluated performance in the real task. The experiment studies the efficiency and effectiveness of each interaction technology for learning the task, taking in consideration both quantitative measures (such as training time, real task performance, evolution from the virtual task to real one), and qualitative data (user feedback from a questionnaire). Results show that there were no significant differences in the final performance among the five groups. However, users trained under mouse and 2D-tracking Mmocap systems took significantly less training time than the rest of the virtual modalities. This brings out two main outcomes: (1) the perception of collisions using haptics does not increase the learning transfer of procedural tasks demanding low motor skills and (2) Mmocap-based interactions can be valid for training this kind of tasks.
The Influence of Interaction Technology on the Learning of Assembly Tasks Using Virtual Reality
Contributed by the Computers and Information Division of ASME for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received July 25, 2012; final manuscript received September 7, 2014; published online October 7, 2014. Editor: Bahram Ravani.
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Vélaz, Y., Rodríguez Arce, J., Gutiérrez, T., Lozano-Rodero, A., and Suescun, A. (October 7, 2014). "The Influence of Interaction Technology on the Learning of Assembly Tasks Using Virtual Reality." ASME. J. Comput. Inf. Sci. Eng. December 2014; 14(4): 041007. https://doi.org/10.1115/1.4028588
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