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Open AccessArticle

Operational Feasibility Analysis of the Multimodal Controller Working Position “TriControl”

1
German Aerospace Center (DLR), Institute of Flight Guidance, Lilienthalplatz 7, 38108 Braunschweig, Germany
2
Technische Universität Dresden, School of Science, Faculty of Psychology, 01062 Dresden, Germany
3
Deutsche Flugsicherung GmbH, Academy, Am DFS-Campus, 63225 Langen, Germany
*
Author to whom correspondence should be addressed.
Aerospace 2020, 7(2), 15; https://doi.org/10.3390/aerospace7020015
Received: 14 January 2020 / Revised: 5 February 2020 / Accepted: 9 February 2020 / Published: 20 February 2020
(This article belongs to the Collection Air Transportation—Operations and Management)
Current Air Traffic Controller working positions (CWPs) are reaching their capacity owing to increasing levels of air traffic. The multimodal CWP prototype TriControl combines automatic speech recognition, multitouch gestures, and eye-tracking, aiming for more natural and improved human interaction with air traffic control systems. However, the prototype has not yet undergone systematic evaluation with respect to feasibility. This paper evaluates the operational feasibility, focusing on the system usability of the approach CWP TriControl and its fulfillment of operational requirements. Fourteen controllers took part in a simulation study to evaluate the TriControl concept. The active approach controllers among the group of participants served as the main core target subgroup. The ratings of all controllers in the TriControl assessment were, on average, generally in slight agreement, with just a few showing statistical significance. However, the active approach controllers performed better and rated the system much more positively. The active approach controllers were strongly positive regarding the system usability and acceptance of this early-stage prototype. Particularly, ease of use, user-friendliness, and learnability were perceived very positively. Overall, they were also satisfied with the command input procedure, and would use it for their daily work. Thus, the participating controllers encourage further enhancements to be made to TriControl. View Full-Text
Keywords: air traffic controller; human–machine interaction; usability; multimodality; eye-tracking; automatic speech recognition; multitouch gestures; controller command; feasibility analysis air traffic controller; human–machine interaction; usability; multimodality; eye-tracking; automatic speech recognition; multitouch gestures; controller command; feasibility analysis
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Ohneiser, O.; Biella, M.; Schmugler, A.; Wallace, M. Operational Feasibility Analysis of the Multimodal Controller Working Position “TriControl”. Aerospace 2020, 7, 15.

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