Abstract
In the complex manufacturing sector a considerable amount of resources is focused on training workers and developing new skills. Increasing the effectiveness of those processes and reducing the investment required is an outstanding issue. In this paper, we present an experiment (n=20) that shows how modern metaphors such as collaborative Mixed Reality can be used to transmit procedural knowledge and could eventually replace other forms of face-to-face training. We implemented a Mixed Reality setup with see-through cameras attached to a Head Mounted Display. The setup allowed for real-time collaborative interactions and could simulate conventional forms of training. We tested the system implementing a manufacturing procedure of an aircraft maintenance door. The obtained results indicate that performance levels in the Immersive Mixed Reality training were not significantly different than in the conventional face-to-face training condition. These results and their implications for future training and the use of Virtual Reality, Mixed Reality and Augmented Reality paradigms in this context are discussed in this paper.
Highlights
Modern mass assembly lines for high value manufacturing are either robotized or rely heavily on skilled workers
A trend was found with 93% confidence of equivalence on the retention results obtained by participants of the conventional face-to-face training when compared to the Mixed Reality (MR), which shows that MR scenarios can potentially provide a successful metaphor for collaborative training
The current paper has presented and validated the use of mixed reality metaphors for complex manufacturing training by running a user study and measuring the post-training knowledge retention and interpretation scores
Summary
Modern mass assembly lines for high value manufacturing are either robotized or rely heavily on skilled workers. The operation of dangerous equipment can rise health and safety concerns (Sun and Tsai, 2012). In this context, the use of novel technologies to train future workers on the processes could both increase the safety and reduce the training costs, which would eventually translate into an increase in productivity. Despite some controversy with respect to the efficient transfer to real-life setups of the skills trained in Virtual Environments (VE) (Kozak et al, 1993), these approaches have been successfully used for training in a variety of disciplines including health and safety (Dickinson et al, 2011; Kang and Jain, 2011), medical training (Bartoli et al, 2012; Gonzalez-Franco et al, 2014a,b), fire services (Williams-Bell et al, 2015), and industrial training (Muratet et al, 2011). In the context of industrial setups, several studies have examined
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